标题:Performance of dithiocarbamate-type flocculant in treating simulated polymer flooding produced water
作者:Baoyu Gao;Yuyan Jia;Yongqiang Zhang;Qian Li;Qinyan Yue
作者机构:[Gao, B] Shandong Key Laboratory of Water Pollution Control and Resource Reuse, Shandong University, No.27 Shanda South Road, Jinan 250100, China, Sch 更多
通讯作者:Gao, B.(baoyugaosdu@yahoo.com.cn)
通讯作者地址:[Gao, BY]Shandong Univ, Shandong Key Lab Water Pollut Control & Resource, 27 Shanda S Rd, Jinan 250100, Peoples R China.
来源:Journal of environmental sciences
出版年:2011
卷:23
期:1
页码:37-43
DOI:10.1016/S1001-0742(10)60370-1
关键词:Dithiocarbamate;Flocculation;Hydrolyzed polyacrylamide;Oil removal
摘要:Produced water from polymer flooding is difficult to treat due to its high polymer concentration, high viscosity, and emulsified characteristics. The dithiocarbamate flocculant, DTC (T403), was prepared by the amine-terminated polyoxypropane-ether compound known as Jeffamine-T403. The product was characterized by IR spectra and elemental analysis. The DTC agent chelating with Fe~(2+) produced a network polymer matrix, which captured and removed oil droplets efficiently. Oil removal by the flocculent on simulated produced water with 0, 200, 500, 900 mg/L of partially hydrolyzed polyacrylamide (HPAM) was investigated for aspects of effectiveness of DTC (T403) dosage and concentrations of HPAM and Fe~(2+) ions in the wastewater. Results showed that HPAM had a negative influence on oil removal efficiency when DTC (T403) dosage was lower than 20 mg/L. However, residual oil concentrations in tested samples with different concentrations of HPAM all decreased below 10 mg/L when DTC (T403) dosage reached 30 mg/L. The concentration of Fe~(2+) in the initial wastewater had a slight effect on oil removal at the range of 2-12 mg/L. Results showed that Fe~(3+) could not be used in place of Fe~(2+) as Fe~(3+) could not react with DTC under flocculated conditions. The effects of mineral salts ions were also investigated.
收录类别:EI;CSCD;SCOPUS;SCIE
WOS核心被引频次:23
Scopus被引频次:27
资源类型:期刊论文
原文链接:https://www.scopus.com/inward/record.uri?eid=2-s2.0-78651081166&doi=10.1016%2fS1001-0742%2810%2960370-1&partnerID=40&md5=64eb21d4dfc40b6d208630ac75bbb7c2
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