Carbonate Apatite Precipitation from Synthetic Municipal Wastewater

An important component of phosphorite (phosphate rock) is carbonate apatite, as it is required for phosphorous fertilizer production due to its increased phosphate solubility caused by carbonate substitution in the apatite mineral lattice. High phosphate concentrations in municipal wastewater treatm...
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Autor*in:	Jessica Ross [verfasserIn] Lu Gao [verfasserIn] Orysia Meouch [verfasserIn] Essie Anthony [verfasserIn] Divya Sutarwala [verfasserIn] Helina Mamo [verfasserIn] Sidney Omelon [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2017

Schlagwörter:	amorphous precursor nucleation carbonate apatite amorphous calcium carbonate phosphate

Übergeordnetes Werk:	In: Minerals - MDPI AG, 2012, 7(2017), 8, p 129
Übergeordnetes Werk:	volume:7 ; year:2017 ; number:8, p 129

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/min7080129

Katalog-ID:	DOAJ053338723

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520			\|a An important component of phosphorite (phosphate rock) is carbonate apatite, as it is required for phosphorous fertilizer production due to its increased phosphate solubility caused by carbonate substitution in the apatite mineral lattice. High phosphate concentrations in municipal wastewater treatment plants are commonly reduced by precipitating iron phosphate by addition of iron chloride. We investigated the possibility of precipitating carbonate apatite from a potential range of phosphate concentrations that could be available from municipal wastewater treatment plants with anaerobic digestion reactors (5 mM–30 mM). Synthetic phosphate solutions at neutral pH were mixed in batch experiments with a calcium carbonate solution produced by dissolving calcite in contact with carbon dioxide gas, with and without carbonate apatite seed. Batch experiments were used to identify the carbonate apatite supersaturation ranges for homogeneous and heterogeneous nucleation, and the precipitates analyzed with Raman spectroscopy, powder X-ray diffraction, inorganic carbon coulometry, and scanning electron microscopy. Some precipitates contained carbonate weight fractions within the range reported for geological phosphate rock (1.4–6.3 wt %). The precipitates were spherical, poorly crystalline carbonate apatite, suggesting an amorphous precursor transformed to a poorly crystalline carbonate apatite without changing morphology.
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allfieldsSound	10.3390/min7080129 doi (DE-627)DOAJ053338723 (DE-599)DOAJa19ef6e6c0374327bd5174e20139f1c4 DE-627 ger DE-627 rakwb eng QE351-399.2 Jessica Ross verfasserin aut Carbonate Apatite Precipitation from Synthetic Municipal Wastewater 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier An important component of phosphorite (phosphate rock) is carbonate apatite, as it is required for phosphorous fertilizer production due to its increased phosphate solubility caused by carbonate substitution in the apatite mineral lattice. High phosphate concentrations in municipal wastewater treatment plants are commonly reduced by precipitating iron phosphate by addition of iron chloride. We investigated the possibility of precipitating carbonate apatite from a potential range of phosphate concentrations that could be available from municipal wastewater treatment plants with anaerobic digestion reactors (5 mM–30 mM). Synthetic phosphate solutions at neutral pH were mixed in batch experiments with a calcium carbonate solution produced by dissolving calcite in contact with carbon dioxide gas, with and without carbonate apatite seed. Batch experiments were used to identify the carbonate apatite supersaturation ranges for homogeneous and heterogeneous nucleation, and the precipitates analyzed with Raman spectroscopy, powder X-ray diffraction, inorganic carbon coulometry, and scanning electron microscopy. Some precipitates contained carbonate weight fractions within the range reported for geological phosphate rock (1.4–6.3 wt %). The precipitates were spherical, poorly crystalline carbonate apatite, suggesting an amorphous precursor transformed to a poorly crystalline carbonate apatite without changing morphology. amorphous precursor nucleation carbonate apatite amorphous calcium carbonate phosphate Mineralogy Lu Gao verfasserin aut Orysia Meouch verfasserin aut Essie Anthony verfasserin aut Divya Sutarwala verfasserin aut Helina Mamo verfasserin aut Sidney Omelon verfasserin aut In Minerals MDPI AG, 2012 7(2017), 8, p 129 (DE-627)689132069 (DE-600)2655947-X 2075163X nnns volume:7 year:2017 number:8, p 129 https://doi.org/10.3390/min7080129 kostenfrei https://doaj.org/article/a19ef6e6c0374327bd5174e20139f1c4 kostenfrei https://www.mdpi.com/2075-163X/7/8/129 kostenfrei https://doaj.org/toc/2075-163X Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2017 8, p 129
language	English
source	In Minerals 7(2017), 8, p 129 volume:7 year:2017 number:8, p 129
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format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	amorphous precursor nucleation carbonate apatite amorphous calcium carbonate phosphate Mineralogy
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container_title	Minerals
authorswithroles_txt_mv	Jessica Ross @@aut@@ Lu Gao @@aut@@ Orysia Meouch @@aut@@ Essie Anthony @@aut@@ Divya Sutarwala @@aut@@ Helina Mamo @@aut@@ Sidney Omelon @@aut@@
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callnumber-first	Q - Science
author	Jessica Ross
spellingShingle	Jessica Ross misc QE351-399.2 misc amorphous precursor misc nucleation misc carbonate apatite misc amorphous calcium carbonate phosphate misc Mineralogy Carbonate Apatite Precipitation from Synthetic Municipal Wastewater
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topic_title	QE351-399.2 Carbonate Apatite Precipitation from Synthetic Municipal Wastewater amorphous precursor nucleation carbonate apatite amorphous calcium carbonate phosphate
topic	misc QE351-399.2 misc amorphous precursor misc nucleation misc carbonate apatite misc amorphous calcium carbonate phosphate misc Mineralogy
topic_unstemmed	misc QE351-399.2 misc amorphous precursor misc nucleation misc carbonate apatite misc amorphous calcium carbonate phosphate misc Mineralogy
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title	Carbonate Apatite Precipitation from Synthetic Municipal Wastewater
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title_sort	carbonate apatite precipitation from synthetic municipal wastewater
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title_auth	Carbonate Apatite Precipitation from Synthetic Municipal Wastewater
abstract	An important component of phosphorite (phosphate rock) is carbonate apatite, as it is required for phosphorous fertilizer production due to its increased phosphate solubility caused by carbonate substitution in the apatite mineral lattice. High phosphate concentrations in municipal wastewater treatment plants are commonly reduced by precipitating iron phosphate by addition of iron chloride. We investigated the possibility of precipitating carbonate apatite from a potential range of phosphate concentrations that could be available from municipal wastewater treatment plants with anaerobic digestion reactors (5 mM–30 mM). Synthetic phosphate solutions at neutral pH were mixed in batch experiments with a calcium carbonate solution produced by dissolving calcite in contact with carbon dioxide gas, with and without carbonate apatite seed. Batch experiments were used to identify the carbonate apatite supersaturation ranges for homogeneous and heterogeneous nucleation, and the precipitates analyzed with Raman spectroscopy, powder X-ray diffraction, inorganic carbon coulometry, and scanning electron microscopy. Some precipitates contained carbonate weight fractions within the range reported for geological phosphate rock (1.4–6.3 wt %). The precipitates were spherical, poorly crystalline carbonate apatite, suggesting an amorphous precursor transformed to a poorly crystalline carbonate apatite without changing morphology.
abstractGer	An important component of phosphorite (phosphate rock) is carbonate apatite, as it is required for phosphorous fertilizer production due to its increased phosphate solubility caused by carbonate substitution in the apatite mineral lattice. High phosphate concentrations in municipal wastewater treatment plants are commonly reduced by precipitating iron phosphate by addition of iron chloride. We investigated the possibility of precipitating carbonate apatite from a potential range of phosphate concentrations that could be available from municipal wastewater treatment plants with anaerobic digestion reactors (5 mM–30 mM). Synthetic phosphate solutions at neutral pH were mixed in batch experiments with a calcium carbonate solution produced by dissolving calcite in contact with carbon dioxide gas, with and without carbonate apatite seed. Batch experiments were used to identify the carbonate apatite supersaturation ranges for homogeneous and heterogeneous nucleation, and the precipitates analyzed with Raman spectroscopy, powder X-ray diffraction, inorganic carbon coulometry, and scanning electron microscopy. Some precipitates contained carbonate weight fractions within the range reported for geological phosphate rock (1.4–6.3 wt %). The precipitates were spherical, poorly crystalline carbonate apatite, suggesting an amorphous precursor transformed to a poorly crystalline carbonate apatite without changing morphology.
abstract_unstemmed	An important component of phosphorite (phosphate rock) is carbonate apatite, as it is required for phosphorous fertilizer production due to its increased phosphate solubility caused by carbonate substitution in the apatite mineral lattice. High phosphate concentrations in municipal wastewater treatment plants are commonly reduced by precipitating iron phosphate by addition of iron chloride. We investigated the possibility of precipitating carbonate apatite from a potential range of phosphate concentrations that could be available from municipal wastewater treatment plants with anaerobic digestion reactors (5 mM–30 mM). Synthetic phosphate solutions at neutral pH were mixed in batch experiments with a calcium carbonate solution produced by dissolving calcite in contact with carbon dioxide gas, with and without carbonate apatite seed. Batch experiments were used to identify the carbonate apatite supersaturation ranges for homogeneous and heterogeneous nucleation, and the precipitates analyzed with Raman spectroscopy, powder X-ray diffraction, inorganic carbon coulometry, and scanning electron microscopy. Some precipitates contained carbonate weight fractions within the range reported for geological phosphate rock (1.4–6.3 wt %). The precipitates were spherical, poorly crystalline carbonate apatite, suggesting an amorphous precursor transformed to a poorly crystalline carbonate apatite without changing morphology.
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title_short	Carbonate Apatite Precipitation from Synthetic Municipal Wastewater
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