Oxidative Precipitation of Manganese from Dilute Waters
Abstract Various metals may be removed from mine water by precipitation of their hydroxides. However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropr...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Teixeira, Luiz Alberto Cesar [verfasserIn] Queiroz, João Pedro Lavinas [verfasserIn] Marquez-Sarmiento, Cristian [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Mine water and the environment - Berlin : Springer, 1982, 36(2016), 3 vom: 19. Juli, Seite 452-456 |
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| Übergeordnetes Werk: |
volume:36 ; year:2016 ; number:3 ; day:19 ; month:07 ; pages:452-456 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10230-016-0411-7 |
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| Katalog-ID: |
SPR009177434 |
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| 520 | |a Abstract Various metals may be removed from mine water by precipitation of their hydroxides. However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropriate for mine waters that will be recycled as process solutions or discharged into a receiving body. Consequently, there has been interest in reducing chlorine use or its total replacement by non-chlorinated oxidants, such as oxygen and peroxygens, for treatment of mine water. In this work, we report the results of a comparative investigation of the following oxidants: NaClO (as reference), $ O_{2} $; $ H_{2} %$ O_{2} $; Caro’s acid ($ H_{2} %$ SO_{5} $), and the combination of $ H_{2} %$ O_{2} $ with NaClO, with initial [Mn] = 10 mg/L, at 25 °C, with 100 and 300 % excess oxidant above the stoichiometric requirement. It was found that the reaction pH has to be greater than 8 to obtain effective precipitation. It is possible to reach a final [Mn] below 1.0 mg/L in 60 min of batch reaction time, using either NaClO, Caro’s Acid, or a combination of NaClO + $ H_{2} %$ O_{2} $. Using only $ O_{2} $ or $ H_{2} %$ O_{2} $ was ineffective. | ||
| 650 | 4 | |a Treatment of mine water |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Oxidation in mine waters |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Precipitation in mine waters |7 (dpeaa)DE-He213 | |
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| 650 | 4 | |a Non-chlorinated oxidants |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Caro’s acid |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Queiroz, João Pedro Lavinas |e verfasserin |4 aut | |
| 700 | 1 | |a Marquez-Sarmiento, Cristian |e verfasserin |4 aut | |
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10.1007/s10230-016-0411-7 doi (DE-627)SPR009177434 (SPR)s10230-016-0411-7-e DE-627 ger DE-627 rakwb eng 620 660 ASE 57.00 bkl Teixeira, Luiz Alberto Cesar verfasserin aut Oxidative Precipitation of Manganese from Dilute Waters 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Various metals may be removed from mine water by precipitation of their hydroxides. However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropriate for mine waters that will be recycled as process solutions or discharged into a receiving body. Consequently, there has been interest in reducing chlorine use or its total replacement by non-chlorinated oxidants, such as oxygen and peroxygens, for treatment of mine water. In this work, we report the results of a comparative investigation of the following oxidants: NaClO (as reference), $ O_{2} $; $ H_{2} %$ O_{2} $; Caro’s acid ($ H_{2} %$ SO_{5} $), and the combination of $ H_{2} %$ O_{2} $ with NaClO, with initial [Mn] = 10 mg/L, at 25 °C, with 100 and 300 % excess oxidant above the stoichiometric requirement. It was found that the reaction pH has to be greater than 8 to obtain effective precipitation. It is possible to reach a final [Mn] below 1.0 mg/L in 60 min of batch reaction time, using either NaClO, Caro’s Acid, or a combination of NaClO + $ H_{2} %$ O_{2} $. Using only $ O_{2} $ or $ H_{2} %$ O_{2} $ was ineffective. Treatment of mine water (dpeaa)DE-He213 Oxidation in mine waters (dpeaa)DE-He213 Precipitation in mine waters (dpeaa)DE-He213 Hypochlorite (dpeaa)DE-He213 Non-chlorinated oxidants (dpeaa)DE-He213 Caro’s acid (dpeaa)DE-He213 Queiroz, João Pedro Lavinas verfasserin aut Marquez-Sarmiento, Cristian verfasserin aut Enthalten in Mine water and the environment Berlin : Springer, 1982 36(2016), 3 vom: 19. Juli, Seite 452-456 (DE-627)332168301 (DE-600)2053169-2 1616-1068 nnns volume:36 year:2016 number:3 day:19 month:07 pages:452-456 https://dx.doi.org/10.1007/s10230-016-0411-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 57.00 ASE AR 36 2016 3 19 07 452-456 |
| spelling |
10.1007/s10230-016-0411-7 doi (DE-627)SPR009177434 (SPR)s10230-016-0411-7-e DE-627 ger DE-627 rakwb eng 620 660 ASE 57.00 bkl Teixeira, Luiz Alberto Cesar verfasserin aut Oxidative Precipitation of Manganese from Dilute Waters 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Various metals may be removed from mine water by precipitation of their hydroxides. However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropriate for mine waters that will be recycled as process solutions or discharged into a receiving body. Consequently, there has been interest in reducing chlorine use or its total replacement by non-chlorinated oxidants, such as oxygen and peroxygens, for treatment of mine water. In this work, we report the results of a comparative investigation of the following oxidants: NaClO (as reference), $ O_{2} $; $ H_{2} %$ O_{2} $; Caro’s acid ($ H_{2} %$ SO_{5} $), and the combination of $ H_{2} %$ O_{2} $ with NaClO, with initial [Mn] = 10 mg/L, at 25 °C, with 100 and 300 % excess oxidant above the stoichiometric requirement. It was found that the reaction pH has to be greater than 8 to obtain effective precipitation. It is possible to reach a final [Mn] below 1.0 mg/L in 60 min of batch reaction time, using either NaClO, Caro’s Acid, or a combination of NaClO + $ H_{2} %$ O_{2} $. Using only $ O_{2} $ or $ H_{2} %$ O_{2} $ was ineffective. Treatment of mine water (dpeaa)DE-He213 Oxidation in mine waters (dpeaa)DE-He213 Precipitation in mine waters (dpeaa)DE-He213 Hypochlorite (dpeaa)DE-He213 Non-chlorinated oxidants (dpeaa)DE-He213 Caro’s acid (dpeaa)DE-He213 Queiroz, João Pedro Lavinas verfasserin aut Marquez-Sarmiento, Cristian verfasserin aut Enthalten in Mine water and the environment Berlin : Springer, 1982 36(2016), 3 vom: 19. Juli, Seite 452-456 (DE-627)332168301 (DE-600)2053169-2 1616-1068 nnns volume:36 year:2016 number:3 day:19 month:07 pages:452-456 https://dx.doi.org/10.1007/s10230-016-0411-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 57.00 ASE AR 36 2016 3 19 07 452-456 |
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10.1007/s10230-016-0411-7 doi (DE-627)SPR009177434 (SPR)s10230-016-0411-7-e DE-627 ger DE-627 rakwb eng 620 660 ASE 57.00 bkl Teixeira, Luiz Alberto Cesar verfasserin aut Oxidative Precipitation of Manganese from Dilute Waters 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Various metals may be removed from mine water by precipitation of their hydroxides. However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropriate for mine waters that will be recycled as process solutions or discharged into a receiving body. Consequently, there has been interest in reducing chlorine use or its total replacement by non-chlorinated oxidants, such as oxygen and peroxygens, for treatment of mine water. In this work, we report the results of a comparative investigation of the following oxidants: NaClO (as reference), $ O_{2} $; $ H_{2} %$ O_{2} $; Caro’s acid ($ H_{2} %$ SO_{5} $), and the combination of $ H_{2} %$ O_{2} $ with NaClO, with initial [Mn] = 10 mg/L, at 25 °C, with 100 and 300 % excess oxidant above the stoichiometric requirement. It was found that the reaction pH has to be greater than 8 to obtain effective precipitation. It is possible to reach a final [Mn] below 1.0 mg/L in 60 min of batch reaction time, using either NaClO, Caro’s Acid, or a combination of NaClO + $ H_{2} %$ O_{2} $. Using only $ O_{2} $ or $ H_{2} %$ O_{2} $ was ineffective. Treatment of mine water (dpeaa)DE-He213 Oxidation in mine waters (dpeaa)DE-He213 Precipitation in mine waters (dpeaa)DE-He213 Hypochlorite (dpeaa)DE-He213 Non-chlorinated oxidants (dpeaa)DE-He213 Caro’s acid (dpeaa)DE-He213 Queiroz, João Pedro Lavinas verfasserin aut Marquez-Sarmiento, Cristian verfasserin aut Enthalten in Mine water and the environment Berlin : Springer, 1982 36(2016), 3 vom: 19. Juli, Seite 452-456 (DE-627)332168301 (DE-600)2053169-2 1616-1068 nnns volume:36 year:2016 number:3 day:19 month:07 pages:452-456 https://dx.doi.org/10.1007/s10230-016-0411-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 57.00 ASE AR 36 2016 3 19 07 452-456 |
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10.1007/s10230-016-0411-7 doi (DE-627)SPR009177434 (SPR)s10230-016-0411-7-e DE-627 ger DE-627 rakwb eng 620 660 ASE 57.00 bkl Teixeira, Luiz Alberto Cesar verfasserin aut Oxidative Precipitation of Manganese from Dilute Waters 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Various metals may be removed from mine water by precipitation of their hydroxides. However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropriate for mine waters that will be recycled as process solutions or discharged into a receiving body. Consequently, there has been interest in reducing chlorine use or its total replacement by non-chlorinated oxidants, such as oxygen and peroxygens, for treatment of mine water. In this work, we report the results of a comparative investigation of the following oxidants: NaClO (as reference), $ O_{2} $; $ H_{2} %$ O_{2} $; Caro’s acid ($ H_{2} %$ SO_{5} $), and the combination of $ H_{2} %$ O_{2} $ with NaClO, with initial [Mn] = 10 mg/L, at 25 °C, with 100 and 300 % excess oxidant above the stoichiometric requirement. It was found that the reaction pH has to be greater than 8 to obtain effective precipitation. It is possible to reach a final [Mn] below 1.0 mg/L in 60 min of batch reaction time, using either NaClO, Caro’s Acid, or a combination of NaClO + $ H_{2} %$ O_{2} $. Using only $ O_{2} $ or $ H_{2} %$ O_{2} $ was ineffective. Treatment of mine water (dpeaa)DE-He213 Oxidation in mine waters (dpeaa)DE-He213 Precipitation in mine waters (dpeaa)DE-He213 Hypochlorite (dpeaa)DE-He213 Non-chlorinated oxidants (dpeaa)DE-He213 Caro’s acid (dpeaa)DE-He213 Queiroz, João Pedro Lavinas verfasserin aut Marquez-Sarmiento, Cristian verfasserin aut Enthalten in Mine water and the environment Berlin : Springer, 1982 36(2016), 3 vom: 19. Juli, Seite 452-456 (DE-627)332168301 (DE-600)2053169-2 1616-1068 nnns volume:36 year:2016 number:3 day:19 month:07 pages:452-456 https://dx.doi.org/10.1007/s10230-016-0411-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 57.00 ASE AR 36 2016 3 19 07 452-456 |
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10.1007/s10230-016-0411-7 doi (DE-627)SPR009177434 (SPR)s10230-016-0411-7-e DE-627 ger DE-627 rakwb eng 620 660 ASE 57.00 bkl Teixeira, Luiz Alberto Cesar verfasserin aut Oxidative Precipitation of Manganese from Dilute Waters 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Various metals may be removed from mine water by precipitation of their hydroxides. However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropriate for mine waters that will be recycled as process solutions or discharged into a receiving body. Consequently, there has been interest in reducing chlorine use or its total replacement by non-chlorinated oxidants, such as oxygen and peroxygens, for treatment of mine water. In this work, we report the results of a comparative investigation of the following oxidants: NaClO (as reference), $ O_{2} $; $ H_{2} %$ O_{2} $; Caro’s acid ($ H_{2} %$ SO_{5} $), and the combination of $ H_{2} %$ O_{2} $ with NaClO, with initial [Mn] = 10 mg/L, at 25 °C, with 100 and 300 % excess oxidant above the stoichiometric requirement. It was found that the reaction pH has to be greater than 8 to obtain effective precipitation. It is possible to reach a final [Mn] below 1.0 mg/L in 60 min of batch reaction time, using either NaClO, Caro’s Acid, or a combination of NaClO + $ H_{2} %$ O_{2} $. Using only $ O_{2} $ or $ H_{2} %$ O_{2} $ was ineffective. Treatment of mine water (dpeaa)DE-He213 Oxidation in mine waters (dpeaa)DE-He213 Precipitation in mine waters (dpeaa)DE-He213 Hypochlorite (dpeaa)DE-He213 Non-chlorinated oxidants (dpeaa)DE-He213 Caro’s acid (dpeaa)DE-He213 Queiroz, João Pedro Lavinas verfasserin aut Marquez-Sarmiento, Cristian verfasserin aut Enthalten in Mine water and the environment Berlin : Springer, 1982 36(2016), 3 vom: 19. Juli, Seite 452-456 (DE-627)332168301 (DE-600)2053169-2 1616-1068 nnns volume:36 year:2016 number:3 day:19 month:07 pages:452-456 https://dx.doi.org/10.1007/s10230-016-0411-7 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA SSG-OPC-GGO SSG-OPC-ASE GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_30 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_267 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 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_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 57.00 ASE AR 36 2016 3 19 07 452-456 |
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English |
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Enthalten in Mine water and the environment 36(2016), 3 vom: 19. Juli, Seite 452-456 volume:36 year:2016 number:3 day:19 month:07 pages:452-456 |
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Enthalten in Mine water and the environment 36(2016), 3 vom: 19. Juli, Seite 452-456 volume:36 year:2016 number:3 day:19 month:07 pages:452-456 |
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findex.gbv.de |
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Treatment of mine water Oxidation in mine waters Precipitation in mine waters Hypochlorite Non-chlorinated oxidants Caro’s acid |
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Mine water and the environment |
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Teixeira, Luiz Alberto Cesar @@aut@@ Queiroz, João Pedro Lavinas @@aut@@ Marquez-Sarmiento, Cristian @@aut@@ |
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2016-07-19T00:00:00Z |
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However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropriate for mine waters that will be recycled as process solutions or discharged into a receiving body. Consequently, there has been interest in reducing chlorine use or its total replacement by non-chlorinated oxidants, such as oxygen and peroxygens, for treatment of mine water. In this work, we report the results of a comparative investigation of the following oxidants: NaClO (as reference), $ O_{2} $; $ H_{2} %$ O_{2} $; Caro’s acid ($ H_{2} %$ SO_{5} $), and the combination of $ H_{2} %$ O_{2} $ with NaClO, with initial [Mn] = 10 mg/L, at 25 °C, with 100 and 300 % excess oxidant above the stoichiometric requirement. It was found that the reaction pH has to be greater than 8 to obtain effective precipitation. It is possible to reach a final [Mn] below 1.0 mg/L in 60 min of batch reaction time, using either NaClO, Caro’s Acid, or a combination of NaClO + $ H_{2} %$ O_{2} $. 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Teixeira, Luiz Alberto Cesar |
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Teixeira, Luiz Alberto Cesar ddc 620 bkl 57.00 misc Treatment of mine water misc Oxidation in mine waters misc Precipitation in mine waters misc Hypochlorite misc Non-chlorinated oxidants misc Caro’s acid Oxidative Precipitation of Manganese from Dilute Waters |
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620 660 ASE 57.00 bkl Oxidative Precipitation of Manganese from Dilute Waters Treatment of mine water (dpeaa)DE-He213 Oxidation in mine waters (dpeaa)DE-He213 Precipitation in mine waters (dpeaa)DE-He213 Hypochlorite (dpeaa)DE-He213 Non-chlorinated oxidants (dpeaa)DE-He213 Caro’s acid (dpeaa)DE-He213 |
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ddc 620 bkl 57.00 misc Treatment of mine water misc Oxidation in mine waters misc Precipitation in mine waters misc Hypochlorite misc Non-chlorinated oxidants misc Caro’s acid |
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ddc 620 bkl 57.00 misc Treatment of mine water misc Oxidation in mine waters misc Precipitation in mine waters misc Hypochlorite misc Non-chlorinated oxidants misc Caro’s acid |
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oxidative precipitation of manganese from dilute waters |
| title_auth |
Oxidative Precipitation of Manganese from Dilute Waters |
| abstract |
Abstract Various metals may be removed from mine water by precipitation of their hydroxides. However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropriate for mine waters that will be recycled as process solutions or discharged into a receiving body. Consequently, there has been interest in reducing chlorine use or its total replacement by non-chlorinated oxidants, such as oxygen and peroxygens, for treatment of mine water. In this work, we report the results of a comparative investigation of the following oxidants: NaClO (as reference), $ O_{2} $; $ H_{2} %$ O_{2} $; Caro’s acid ($ H_{2} %$ SO_{5} $), and the combination of $ H_{2} %$ O_{2} $ with NaClO, with initial [Mn] = 10 mg/L, at 25 °C, with 100 and 300 % excess oxidant above the stoichiometric requirement. It was found that the reaction pH has to be greater than 8 to obtain effective precipitation. It is possible to reach a final [Mn] below 1.0 mg/L in 60 min of batch reaction time, using either NaClO, Caro’s Acid, or a combination of NaClO + $ H_{2} %$ O_{2} $. Using only $ O_{2} $ or $ H_{2} %$ O_{2} $ was ineffective. |
| abstractGer |
Abstract Various metals may be removed from mine water by precipitation of their hydroxides. However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropriate for mine waters that will be recycled as process solutions or discharged into a receiving body. Consequently, there has been interest in reducing chlorine use or its total replacement by non-chlorinated oxidants, such as oxygen and peroxygens, for treatment of mine water. In this work, we report the results of a comparative investigation of the following oxidants: NaClO (as reference), $ O_{2} $; $ H_{2} %$ O_{2} $; Caro’s acid ($ H_{2} %$ SO_{5} $), and the combination of $ H_{2} %$ O_{2} $ with NaClO, with initial [Mn] = 10 mg/L, at 25 °C, with 100 and 300 % excess oxidant above the stoichiometric requirement. It was found that the reaction pH has to be greater than 8 to obtain effective precipitation. It is possible to reach a final [Mn] below 1.0 mg/L in 60 min of batch reaction time, using either NaClO, Caro’s Acid, or a combination of NaClO + $ H_{2} %$ O_{2} $. Using only $ O_{2} $ or $ H_{2} %$ O_{2} $ was ineffective. |
| abstract_unstemmed |
Abstract Various metals may be removed from mine water by precipitation of their hydroxides. However, over the pH range of 7–9, it is more efficient to oxidize Mn II to Mn IV than to precipitate Mn II as its hydroxide. Chlorine (or hypochlorite) can be used to do this, but its use may not be appropriate for mine waters that will be recycled as process solutions or discharged into a receiving body. Consequently, there has been interest in reducing chlorine use or its total replacement by non-chlorinated oxidants, such as oxygen and peroxygens, for treatment of mine water. In this work, we report the results of a comparative investigation of the following oxidants: NaClO (as reference), $ O_{2} $; $ H_{2} %$ O_{2} $; Caro’s acid ($ H_{2} %$ SO_{5} $), and the combination of $ H_{2} %$ O_{2} $ with NaClO, with initial [Mn] = 10 mg/L, at 25 °C, with 100 and 300 % excess oxidant above the stoichiometric requirement. It was found that the reaction pH has to be greater than 8 to obtain effective precipitation. It is possible to reach a final [Mn] below 1.0 mg/L in 60 min of batch reaction time, using either NaClO, Caro’s Acid, or a combination of NaClO + $ H_{2} %$ O_{2} $. Using only $ O_{2} $ or $ H_{2} %$ O_{2} $ was ineffective. |
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| container_issue |
3 |
| title_short |
Oxidative Precipitation of Manganese from Dilute Waters |
| url |
https://dx.doi.org/10.1007/s10230-016-0411-7 |
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| author2 |
Queiroz, João Pedro Lavinas Marquez-Sarmiento, Cristian |
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Queiroz, João Pedro Lavinas Marquez-Sarmiento, Cristian |
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| doi_str |
10.1007/s10230-016-0411-7 |
| up_date |
2024-07-04T00:58:47.327Z |
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| score |
7.4016542 |