草酸钴生产行业氨氮废水处理现状
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摘要
钴是一种重要的金属材料,具有优良的物理、化学和机械性能,其应用领域非常广泛,而草酸钴是制备高品质钴氧化物和单质钴粉的重要中间产品。目前国内外草酸钴生产厂家普遍采用以草酸铵为沉淀剂的诱导沉淀法制备草酸钴,产生大量含氨氮的废水。随着环保要求越来越严格,如何有效处理草酸钴生产行业的含氨氮废水,实现资源的高效利用,显得尤为重要。本文从草酸钴的生产工艺、含氨废水的处理现状及存在的问题等方面进行了阐述,可为草酸钴企业对氨氮废水进行处理时提供有益参考。
Cobalt is an important metal material with excellent physical, chemical and mechanical properties. It is widely used in many fields. Cobalt oxalate is an important intermediate product for the preparation of high quality cobalt oxide and cobalt powder. At present, cobalt oxalate is prepared by induced precipitation with ammonium oxalate as precipitator by domestic and foreign cobalt oxalate producers, which produces a large amount of wastewater containing ammonia nitrogen. With the increasingly stringent environmental protection requirements, how to effectively treat ammonia-containing nitrogen wastewater from cobalt oxalate production industry and achieve efficient utilization of resources is particularly important. In this paper, the production process of cobalt oxalate, the treatment status and existing problems of ammonia-containing wastewater are described, which can provide a useful reference for cobalt oxalate enterprises in the treatment of ammonianitrogen wastewater.
Cobalt is an important metal material with excellent physical, chemical and mechanical properties. It is widely used in many fields. Cobalt oxalate is an important intermediate product for the preparation of high quality cobalt oxide and cobalt powder. At present, cobalt oxalate is prepared by induced precipitation with ammonium oxalate as precipitator by domestic and foreign cobalt oxalate producers, which produces a large amount of wastewater containing ammonia nitrogen. With the increasingly stringent environmental protection requirements, how to effectively treat ammonia-containing nitrogen wastewater from cobalt oxalate production industry and achieve efficient utilization of resources is particularly important. In this paper, the production process of cobalt oxalate, the treatment status and existing problems of ammonia-containing wastewater are described, which can provide a useful reference for cobalt oxalate enterprises in the treatment of ammonianitrogen wastewater.
引文
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[14]刘文龙,钱仁渊,包宗宏.吹脱法处理高浓度氨氮废水[J].南京工业大学学报,2008,30(4):56-59.
[15]陈莉荣,戴宝成,武文斐,等.吹脱法处理稀土氯铵废水试验研究[J].金属矿山,2007,12(9):101-102.
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[17]仝武刚,王继徽.高浓度氨氯废水治理技术[J].污染防治技术,2002,15(2):24-27.
[18]史世庄,王香平.化学沉淀法脱除焦化废水中的氨氮[J].武汉科技大学学报,2004,27(1):28-30.
[19]何岩,赵由才,周恭明.高浓度氨氮废水脱氮技术研究进展[J].工业水处理,2008,28(1):1-4.
[20]张显贵.合成氨厂氨氮排放水处理技术探讨[J].中国清洁生产,1998,1(12):17-18.
[21]李健昌,封丹,罗仙平,等.氨氮工业废水处理技术现状和展望[J].四川有色金属,2008,2(3):44-53.
[2]Liu Chueh-Yang,Chen Chia-Fu,Leu Jih-Pemg.Fabrication of mesostructured cobalt oxide sensor and its application for CO detector[J].Electrochemical and Solid-State Letters,2009,12(4):40-43.
[3]Kandalkar S.G.,Gunjakar J.L.,Loklurndc C.D..Preparation of cobalt oxide thin films and its use in supercapacitor application[J].Applied Surface Science,2008,254(17):5540-5544.
[4]文德荣.草酸钴和氧化钴[J].江西冶金.1997,7(5):54-56.
[5]税用红.钴与社会生活[J].成都纺织高等专科学校学报,2000,17(4):61-62.
[6]曹异生.世界钴工业现状及前景展望[J].中国金属通报,2007,4(2):34-36.
[7]何焕华,蔡乔方.中国镍钴冶金[M].北京:冶金工业出版社,2000.541-557.
[8]黄明雯,张金朝.液相沉淀法制备草酸钴粉体的研究[J].无机盐工业,2008,40(4):31-33.
[9]中华人民共和国标准.污水综合排放标准(GB8978-1996),国家环境保护局,1998-01-01.
[10]曹亚丽,贾殿赠,刘浪等.草酸钴纳米棒的一步固相化学合成及其表征[J].化学学报,2005,63(2):175-178.
[11]沈国柱,徐政.超声化学法在纳米材料制备中的应用[J].材料导报,2004,18(4):12-14.
[12]罗智文,耿安锋.富营养化与氨氮废水的处理现状研究[J].内江科技,2009,6:27-28.
[13]孙锦宜.含氮废水处理技术与应用[M].北京:化学工业出版社,2003.33-35.
[14]刘文龙,钱仁渊,包宗宏.吹脱法处理高浓度氨氮废水[J].南京工业大学学报,2008,30(4):56-59.
[15]陈莉荣,戴宝成,武文斐,等.吹脱法处理稀土氯铵废水试验研究[J].金属矿山,2007,12(9):101-102.
[16]Leavic S..Nitrogen removal from fcnilizer wastewater by ion exchange[J].Journal Environmental Research,2000.,34(1):185-190.
[17]仝武刚,王继徽.高浓度氨氯废水治理技术[J].污染防治技术,2002,15(2):24-27.
[18]史世庄,王香平.化学沉淀法脱除焦化废水中的氨氮[J].武汉科技大学学报,2004,27(1):28-30.
[19]何岩,赵由才,周恭明.高浓度氨氮废水脱氮技术研究进展[J].工业水处理,2008,28(1):1-4.
[20]张显贵.合成氨厂氨氮排放水处理技术探讨[J].中国清洁生产,1998,1(12):17-18.
[21]李健昌,封丹,罗仙平,等.氨氮工业废水处理技术现状和展望[J].四川有色金属,2008,2(3):44-53.
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