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author:

伍玉全 (伍玉全.) [1] | 贾正阳 (贾正阳.) [2]

Abstract:

在渗滤液MBR+NF浓缩液提取腐植酸两级UF+NF工艺中,采用硫酸钙结晶沉淀法去除硫酸根,考察了氯化钙投加量、p H对去除效果的影响,并探讨了结晶过程动力学。结果表明,从去除效果和经济方面综合考虑,无论是NF截留液还是二级UF透过液,在结晶沉淀后,上清液中残留硫酸根浓度为12 000 mg/L时所需氯化钙投加量为最佳投加量,且NF截留液中硫酸根的去除效果略好于二级UF透过液;在最佳投加量下,硫酸根去除效果最好的pH为3,NF截留液和二级UF透过液中硫酸根的去除率可达到52.8%和52.6%。

Keyword:

MBR+NF浓缩液 沉淀 硫酸根 硫酸钙 腐植酸

Community:

  • [ 1 ] 福州大学环境与资源学院

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Source :

能源与环境

ISSN: 1672-9064

CN: 35-1272/TK

Year: 2021

Issue: 01

Page: 104-106

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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