Aqueous 99Tc, 129I and 137Cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents

Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d value...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Li, Dien [verfasserIn] Kaplan, Daniel I. Knox, Anna S. Crapse, Kimberly P. Diprete, David P.

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014transfer abstract

Schlagwörter:	Sorbents Cesium Technetium Organoclays Iodine

Umfang:	8

Übergeordnetes Werk:	Enthalten in: Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners - Khcharem, Amir ELSEVIER, 2021, New York, NY [u.a.]
Übergeordnetes Werk:	volume:136 ; year:2014 ; pages:56-63 ; extent:8

Links:	Volltext

DOI / URN:	10.1016/j.jenvrad.2014.05.010

Katalog-ID:	ELV033804982

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520			\|a Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation.
520			\|a Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation.
650		7	\|a Sorbents \|2 Elsevier
650		7	\|a Cesium \|2 Elsevier
650		7	\|a Technetium \|2 Elsevier
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700	1		\|a Kaplan, Daniel I. \|4 oth
700	1		\|a Knox, Anna S. \|4 oth
700	1		\|a Crapse, Kimberly P. \|4 oth
700	1		\|a Diprete, David P. \|4 oth
773	0	8	\|i Enthalten in \|n Elsevier \|a Khcharem, Amir ELSEVIER \|t Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners \|d 2021 \|g New York, NY [u.a.] \|w (DE-627)ELV006295479
773	1	8	\|g volume:136 \|g year:2014 \|g pages:56-63 \|g extent:8
856	4	0	\|u https://doi.org/10.1016/j.jenvrad.2014.05.010 \|3 Volltext
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allfields	10.1016/j.jenvrad.2014.05.010 doi GBVA2014008000007.pica (DE-627)ELV033804982 (ELSEVIER)S0265-931X(14)00150-7 DE-627 ger DE-627 rakwb eng 690 540 690 DE-600 540 DE-600 540 VZ 15,3 ssgn PHARM DE-84 fid 44.00 bkl 44.38 bkl 42.66 bkl 44.40 bkl Li, Dien verfasserin aut Aqueous 99Tc, 129I and 137Cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation. Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation. Sorbents Elsevier Cesium Elsevier Technetium Elsevier Organoclays Elsevier Iodine Elsevier Kaplan, Daniel I. oth Knox, Anna S. oth Crapse, Kimberly P. oth Diprete, David P. oth Enthalten in Elsevier Khcharem, Amir ELSEVIER Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners 2021 New York, NY [u.a.] (DE-627)ELV006295479 volume:136 year:2014 pages:56-63 extent:8 https://doi.org/10.1016/j.jenvrad.2014.05.010 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-PHARM SSG-OLC-PHA SSG-OPC-PHA 44.00 Medizin: Allgemeines VZ 44.38 Pharmakologie VZ 42.66 Ethologie Biologie VZ 44.40 Pharmazie Pharmazeutika VZ AR 136 2014 56-63 8 045F 690
spelling	10.1016/j.jenvrad.2014.05.010 doi GBVA2014008000007.pica (DE-627)ELV033804982 (ELSEVIER)S0265-931X(14)00150-7 DE-627 ger DE-627 rakwb eng 690 540 690 DE-600 540 DE-600 540 VZ 15,3 ssgn PHARM DE-84 fid 44.00 bkl 44.38 bkl 42.66 bkl 44.40 bkl Li, Dien verfasserin aut Aqueous 99Tc, 129I and 137Cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation. Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation. Sorbents Elsevier Cesium Elsevier Technetium Elsevier Organoclays Elsevier Iodine Elsevier Kaplan, Daniel I. oth Knox, Anna S. oth Crapse, Kimberly P. oth Diprete, David P. oth Enthalten in Elsevier Khcharem, Amir ELSEVIER Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners 2021 New York, NY [u.a.] (DE-627)ELV006295479 volume:136 year:2014 pages:56-63 extent:8 https://doi.org/10.1016/j.jenvrad.2014.05.010 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-PHARM SSG-OLC-PHA SSG-OPC-PHA 44.00 Medizin: Allgemeines VZ 44.38 Pharmakologie VZ 42.66 Ethologie Biologie VZ 44.40 Pharmazie Pharmazeutika VZ AR 136 2014 56-63 8 045F 690
allfields_unstemmed	10.1016/j.jenvrad.2014.05.010 doi GBVA2014008000007.pica (DE-627)ELV033804982 (ELSEVIER)S0265-931X(14)00150-7 DE-627 ger DE-627 rakwb eng 690 540 690 DE-600 540 DE-600 540 VZ 15,3 ssgn PHARM DE-84 fid 44.00 bkl 44.38 bkl 42.66 bkl 44.40 bkl Li, Dien verfasserin aut Aqueous 99Tc, 129I and 137Cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation. Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation. Sorbents Elsevier Cesium Elsevier Technetium Elsevier Organoclays Elsevier Iodine Elsevier Kaplan, Daniel I. oth Knox, Anna S. oth Crapse, Kimberly P. oth Diprete, David P. oth Enthalten in Elsevier Khcharem, Amir ELSEVIER Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners 2021 New York, NY [u.a.] (DE-627)ELV006295479 volume:136 year:2014 pages:56-63 extent:8 https://doi.org/10.1016/j.jenvrad.2014.05.010 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-PHARM SSG-OLC-PHA SSG-OPC-PHA 44.00 Medizin: Allgemeines VZ 44.38 Pharmakologie VZ 42.66 Ethologie Biologie VZ 44.40 Pharmazie Pharmazeutika VZ AR 136 2014 56-63 8 045F 690
allfieldsGer	10.1016/j.jenvrad.2014.05.010 doi GBVA2014008000007.pica (DE-627)ELV033804982 (ELSEVIER)S0265-931X(14)00150-7 DE-627 ger DE-627 rakwb eng 690 540 690 DE-600 540 DE-600 540 VZ 15,3 ssgn PHARM DE-84 fid 44.00 bkl 44.38 bkl 42.66 bkl 44.40 bkl Li, Dien verfasserin aut Aqueous 99Tc, 129I and 137Cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation. Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation. Sorbents Elsevier Cesium Elsevier Technetium Elsevier Organoclays Elsevier Iodine Elsevier Kaplan, Daniel I. oth Knox, Anna S. oth Crapse, Kimberly P. oth Diprete, David P. oth Enthalten in Elsevier Khcharem, Amir ELSEVIER Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners 2021 New York, NY [u.a.] (DE-627)ELV006295479 volume:136 year:2014 pages:56-63 extent:8 https://doi.org/10.1016/j.jenvrad.2014.05.010 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-PHARM SSG-OLC-PHA SSG-OPC-PHA 44.00 Medizin: Allgemeines VZ 44.38 Pharmakologie VZ 42.66 Ethologie Biologie VZ 44.40 Pharmazie Pharmazeutika VZ AR 136 2014 56-63 8 045F 690
allfieldsSound	10.1016/j.jenvrad.2014.05.010 doi GBVA2014008000007.pica (DE-627)ELV033804982 (ELSEVIER)S0265-931X(14)00150-7 DE-627 ger DE-627 rakwb eng 690 540 690 DE-600 540 DE-600 540 VZ 15,3 ssgn PHARM DE-84 fid 44.00 bkl 44.38 bkl 42.66 bkl 44.40 bkl Li, Dien verfasserin aut Aqueous 99Tc, 129I and 137Cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents 2014transfer abstract 8 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation. Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation. Sorbents Elsevier Cesium Elsevier Technetium Elsevier Organoclays Elsevier Iodine Elsevier Kaplan, Daniel I. oth Knox, Anna S. oth Crapse, Kimberly P. oth Diprete, David P. oth Enthalten in Elsevier Khcharem, Amir ELSEVIER Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners 2021 New York, NY [u.a.] (DE-627)ELV006295479 volume:136 year:2014 pages:56-63 extent:8 https://doi.org/10.1016/j.jenvrad.2014.05.010 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U FID-PHARM SSG-OLC-PHA SSG-OPC-PHA 44.00 Medizin: Allgemeines VZ 44.38 Pharmakologie VZ 42.66 Ethologie Biologie VZ 44.40 Pharmazie Pharmazeutika VZ AR 136 2014 56-63 8 045F 690
language	English
source	Enthalten in Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners New York, NY [u.a.] volume:136 year:2014 pages:56-63 extent:8
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container_title	Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners
authorswithroles_txt_mv	Li, Dien @@aut@@ Kaplan, Daniel I. @@oth@@ Knox, Anna S. @@oth@@ Crapse, Kimberly P. @@oth@@ Diprete, David P. @@oth@@
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hierarchy_parent_title	Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners
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title	Aqueous 99Tc, 129I and 137Cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents
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title_full	Aqueous 99Tc, 129I and 137Cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents
author_sort	Li, Dien
journal	Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners
journalStr	Acute caffeine ingestion improves 3-km run performance, cognitive function, and psychological state of young recreational runners
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author-letter	Li, Dien
doi_str_mv	10.1016/j.jenvrad.2014.05.010
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title_sort	aqueous 99tc, 129i and 137cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents
title_auth	Aqueous 99Tc, 129I and 137Cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents
abstract	Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation.
abstractGer	Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation.
abstract_unstemmed	Technetium-99 (99Tc), iodine-129 (129I), and cesium-137 (137Cs) are among the key risk-drivers for environmental cleanup. Immobilizing these radionuclides, especially TcO4 − and I−, has been challenging. TcO4 − and I− bind very weakly to most sediments, such that distribution coefficients (K d values; radionuclide concentration ratio of solids to liquids) are typically <2 mL/g; while Cs sorbs somewhat more strongly (K d ∼ 50 mL/g). The objective of this laboratory study was to evaluate 13 cost-effective sorbents for TcO4 −, I−, and Cs+ uptake from contaminated groundwater and sediments. Two organoclays sorbed large amounts of TcO4 − (K d > 1 × 105 mL/g), I− (K d ≥ 1 × 104 mL/g), and Cs+ (K d > 1 × 103 mL/g) and also demonstrated a largely irreversible binding of the radionuclides. Activated carbon GAC 830 was effective at sorbing TcO4 − (K d > 1 × 105 mL/g) and I− (K d = 6.9 × 103 mL/g), while a surfactant modified chabazite was effective at sorbing TcO4 − (K d > 2.5 × 104 mL/g) and Cs+ (K d > 6.5 × 103 mL/g). Several sorbents were effective for only one radionuclide, e.g., modified zeolite Y had TcO4 − K d > 2.3 × 105 mL/g, AgS had I− K d = 2.5 × 104 mL/g, and illite, chabazite, surfactant modified clinoptilolite, and thiol-SAMMS had Cs+ K d > 103 mL/g. These low-cost and high capacity sorbents may provide a sustainable solution for environmental remediation.
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title_short	Aqueous 99Tc, 129I and 137Cs removal from contaminated groundwater and sediments using highly effective low-cost sorbents
url	https://doi.org/10.1016/j.jenvrad.2014.05.010
remote_bool	true
author2	Kaplan, Daniel I. Knox, Anna S. Crapse, Kimberly P. Diprete, David P.
author2Str	Kaplan, Daniel I. Knox, Anna S. Crapse, Kimberly P. Diprete, David P.
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doi_str	10.1016/j.jenvrad.2014.05.010
up_date	2024-07-06T19:30:44.620Z
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