全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

磷酸钙盐结晶除磷工艺性能研究

Keywords: 磷酸钙盐结晶,除磷,工艺性能,灵敏度分析

Full-Text   Cite this paper   Add to My Lib

Abstract:

研究了主要工艺条件pH和Ca/P对磷酸钙盐结晶除磷工艺性能的影响。通过分批实验,建立了磷去除率与pH之间的指数函数关系以及磷去除率与Ca/P之间的对数函数关系。连续运试表明,在pH=9.0、Ca/P=2的条件下,磷酸钙盐结晶除磷反应器的容积负荷为1.10kgP/(m3·d),磷去除率为51%。灵敏度分析表明,pH对磷去除率的影响大于Ca/P,将Ca/P提高至6,容积负荷提高至1.60kgP/(m3·d),磷去除率提高至74.3%;将pH提高至10.0,容积负荷提高至1.80kgP/(m3·d),磷去除率提高至83.5%。工艺操作上可选pH作为优先控制对象。

References

[1]  张萌,于晓晴,邱 琳,等. 响应曲面法优化铁盐除磷工艺.浙江大学学报(农业与生命科学版), 2012,38(5):623-628 Zhang M., Yu X.Q., Qiu L., et al. Process optimization for phosphorus removal with ferric salt by response surface methodology. Journal of Zhejiang University (Agric. & Life Sci.), 2012, 38(5): 623-628 (in Chinese)
[2]  Morse G. K., Brett S. W., Guy J. A., et al. Review: Phosphorus removal and recovery technologies. Science of the Total Environment, 1998, 212(1): 69-81
[3]  Giesen A. Crystallization process enables environmental friendly phosphate removal at low costs. Environmental Technology, 1999, 20(7): 769-775
[4]  Greaves J., Hobbs P., Chadwick D., et al. Prospects for the recovery of phosphorus from animal manures: A review. Environmental Technology, 1999, 20(7): 697-708
[5]  Koutsoukos P., Amiad Z., Tomson M. B., et al. Crystallization of calcium phosphates:A constant composition study. Chemosphere, 1980, 102(5): 1553-1557
[6]  Brett S., Guy J., Morse G. K., et al. Phosphorus Removal and Recovery Technologies. London: Selper Publications, 1997
[7]  刘 宁,陈小光,柳建设,等.化学除磷工艺研究进展.化工进展, 2012,31(7):1597-1603 Liu N., Chen X. G.,Cui Y.Z., et al. Reviews of chemical dephosphorization process. Chemical Industry and Engineering Progress, 2012, 31(7): 1597-1603 (in Chinese)
[8]  贾永志,吕锡武. 污水处理领域磷回收技术及其应用. 水资源保护, 2007,23(5):59-62 Jia Y. Z., Lu X.W. Phosphorus recovery techniques and their applications in wastewater treatment. Water Resources Protection, 2007, 23(5): 59-62 (in Chinese)
[9]  Song Y. H., Dietfried D., Ute B. Seed selections for crystallization of calcium phosphorus recovery. Journal of Environmental Science, 2007, 19(5): 591-595
[10]  Song Y. H., Hahn H. H., Erhard H. E. Effects of solution conditions on the precipitation of phosphate for recovery: A thermodynamics evaluation. Chemosphere, 2002, 48(10): 1029-1034
[11]  Song Y. H., Weidler P. G., Berg U., et al. Calcite-seeded crystallization of calcium phosphate for phosphorus recovery. Chemosphere, 2006, 63(2): 236-243
[12]  Song Y. H., Hahn H. H., Erhard H. E. Effect of humic substances on the precipitation of calcium phosphate. Journal of Environmental Science, 2006, 18(5): 852-857
[13]  高英, 叶荣, 宋永会,等. 溶液条件对磷酸钙沉淀法回收磷的影响. 安全与环境学报, 2007,7(3):58-62 Gao Y., Ye R., Song Y.H., Yuan P.Effects of solution conditions on the precipitation of calcium phosphate for recovery.Journal of Safety and Environment, 2007, 7(3): 58-62 (in Chinese)
[14]  国家环境保护部. 水和废水监测分析方法(第3版).北京:中国环境科学出版社,1997
[15]  Szogi A. A., Vanotti M. B. Removal of phosphorus from livestock effluents. Journal of Environmental Quality, 2009, 38(2): 576-586
[16]  张萌,于晓晴,邱 琳,等. 亚铁盐除磷工艺的优化研究. 中国环境科学, 2012,32(7):1223-1227 Zhang M., Yu X.Q., Qiu L., et al. Research on optimization for phosphorus removal with ferrous salt process. China Environmental Science, 2012, 32(7): 1223-1227 (in Chinese)
[17]  Moriyama K., Kojima T., Minawa Y., et al. Development of artificial seed crystal for crystallization of calcium phosphate. Environmental Technology, 2001, 22(11): 1245-1252
[18]  梅翔,王磊,陈建华,等. 以磷酸钙盐形式从内循环反应器中回收磷的初步研究. 给水排水, 2009,35(3):46-49 Mei X., Wang L., Chen J. H., et al. Preliminary study on the water cycle of phosphorus recovery from the reactor with calcium phosphate. Water and Wastewater Engineering, 2009, 35(3): 46-49 (in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133