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不同pH下鸟粪石(MAP)法目标产物的分析与表征 被引量：17

THE ANALYSIS AND CHARACTERIZATION OF PRECIPITATES OBTAINED FROM STRUVITE(MAP) PRECIPITATION
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摘要 通过XRD,IR,TGA以及元素分析等手段对不同pH条件下MAP沉淀法所获沉淀进行表征和分析.结果表明XRD和IR能定性判断沉淀中是否含有鸟粪石,而元素分析可以定量确定沉淀中鸟粪石的含量.元素分析表明,纯水实验体系获得高纯度鸟粪石(>90.0%)的pH值范围为7.0—9.0,而因有钙离子等影响因素,所以用自来水作为溶剂的实验体系获得高纯度鸟粪石(>90.0%)的pH范围为7.0—7.5. The precipitates harvested from MAP method under different pH conditions were characterized and analyzed by XRD,IR,TGA and elemental analysis. The results reveal that XRD and IR can qualitatively determine the presence of struvite in the precipitates,while the elemental analysis method can quantitatively define the exact content of struvite. And the elemental analysis results show that the optimal pH range for having high struvite content （〉90.0%） was respectively between 7.5—9.0 under pure water system and 7.0—7.5 under tap water system.
作者 王崇臣 郝晓地 王鹏 兰荔
机构地区 城市雨水系统与水环境省部共建教育部重点实验室、北京建筑工程学院
出处 《环境化学》 CAS CSCD 北大核心 2010年第4期759-763,共5页 Environmental Chemistry
基金 国家高技术研究发展计划(863)项目(2006AA06Z320) 国家自然科学基金(50978013) 北京市属市管高等学校人才强教计划项目(PHR20100508和PHR201008372) 北京市教育委员会科技发展计划面上项目(KM200910016009) 北京市2009年财政科研专项经费(污水处理过程中磷回收技术研究)
关键词 XRD IR TGA 元素分析 鸟粪石 XRD IR TGA element analysis struvite.
分类号 X703 [环境科学与工程—环境工程]
  • 相关文献

参考文献13

  • 1Pastor L, Mangin D, Barat R et al , A Pilot-scale Study of Struvite Precipitation in a Stirred Tank Reactor: Conditions Influencing the Process [J] . Bioresour. Technol. , 2008, 99 (14) : 6285-6291.
  • 2Ronteltap M, Maurer M, Gujer W, Struvite Precipitation Thermodynamics in Source-Separated Urine [ J ] . Water Res. , 2007, 41: 977-984.
  • 3Wilsenach J, Schuurbiers C, Van Loosdrecht M, Phosphate and Potassium Recovery from Source Separated Urine through Struvite Precipitation [J] . Water Res. , 2007, 41:458-466.
  • 4Hao X D, van Loosdrecht M C M, Model-Based Evaluation of Struvite Recovery from P-released Supernatant in a BNR Process [ J] Water Sci. & Technol. , 2006, 53 (3) : 191-198.
  • 5Hao X D, Wang C C, Lan Let al. , Struvite Formation, Analytical Methods and Effects ofpH and Ca^2+ [J] . Water Sci. & Tech. , 2008, 58 (8) : 1687-1692.
  • 6Abbona F, Boistelle R, Lundager H, Crystallization of Two Magnesium Phosphates, Struvite and Newberyite : Effect of pH and Concentration [J] . J. Cryst. Growth, 1982, 57:6--14.
  • 7郝晓地,兰荔,王崇臣,van Loosdrecht M C M.MAP沉淀法目标产物最优形成条件及分析方法[J].环境科学,2009,30(4):1120-1125. 被引量：41
  • 8Le Corre K, Valsami-Jones E, Hobbs P et al. , Impact of Calcium on Struvite Crystal Size, Shape and Purity [J] . J. Cryst. Growth,2005, 283 (3-4) : 514-522.
  • 9Banks E, Chianelli R, Korenstein R, Crystal Chemistry of Struvite Analogs of the Type MgMPO4.6H2O (M = Potassium (1 + ), Rubidium (1 + ) , Cesium (1 + ) , Thallium (1 + ) , Ammonium (1 + ) [J] . lnorg. Chem. , 1975, 14: 1634-1639.
  • 10Rensburg P V, Musvoto E V, Wentzel M C et al. , Modelling Multiple Mineral Precipitation in Anaerobic Digester Liquor [ J ] . Water Research, 2003, 37 (13) : 3087-3097.

二级参考文献22

  • 1郝晓地,戴吉,M.C.M.van Loosdrecht.采用数学模拟评价生物营养物去除工艺的除磷效果[J].中国给水排水,2006,22(5):30-34. 被引量：9
  • 2Pastor L, Mangin D, Barat R, etal. A pilot-scale study of struvite precipitation in a stirred tank reactor: conditions influencing the process [ J]. Bioresour Technol, 2008, 99(14) : 6285-6291.
  • 3Ronteltap M, Maurer M, Gujer W. Struvite precipitation thermodynamics in source-separated urine [ J]. Water Res, 2007, 41 : 977-984.
  • 4Wilsenach J, Schuurbiers C, van Loosdrecht M. Phosphate and potassium recovery from source separated urine through struvite precipitation [J]. Water Res, 2007, 41: 458-466.
  • 5Ohlinger K, Young T, Schroeder E. Predicting struvite formation in digestion [J]. Water Res, 1998, 26: 2229-2232.
  • 6Abbona F, Boistelle R, Lundager H. Crystallization of two magnesium phosphates, struvite and newberyite: effect of pH and concentration [J]. J Cryst Gro~h, 1982, 57: 6-14.
  • 7Taylor A, Frazier A, Gurney E. Solubility products of magnesium ammonium phosphate [ J ]. Trans Faraday Soc, 1963, 59: 1580- 1584.
  • 8Le Corre K, Valsami J E, Hobbs P, et al. Impact of calcium on struvite crystal size, shape and purity [ J ]. J Cryst Growth, 2005, 283(3-4) : 514-522.
  • 9Stratful I, Scrimshaw M, Lester J. Conditions influencing the precipitation of magnesium ammonium phosphate [ J ]. Water Res, 2001, 35(17): 4191-4199.
  • 10Doyle J, Oldring K, Churchley J, et al. Chemical control of struvite precipitation [J]. J Environ Eng, 2003, 129(5): 419-426.

共引文献40

同被引文献235

引证文献17

二级引证文献94

环境化学
2010年 第4期

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