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Citation: GE Gi-Jiang, SONG Zhao-Zheng, ZHANG Gui-Cai, ZHAO Fu-lin, LENG Qiang. Oil Removing Mechanism of Dithiocarbamate and Effect of pH of Wastewater[J]. Chinese Journal of Applied Chemistry, ;2002, 19(12): 1170-1173. shu

Oil Removing Mechanism of Dithiocarbamate and Effect of pH of Wastewater

1.
a Petroleum Engineering Institute, Petroleum University, Dongying 257061;
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b Zhuangxi Petroleum Production Factory, Shengli Oilfield, Dongying

Corresponding author: GE Gi-Jiang,
Received Date: 12 April 2002
Available Online: 24 September 2002

The mechanism of removing oil from wastewater by dithiocarbamate was studied and the effect of pH value of wastewater on the oil removing was discussed based on the floculation occurred in the course of oil removing. The floc that removes oil efficiently appeared produced in situ by the reaction of dithiocarbamate with ferrous ions in wastewater. The oil removing efficiency differed greatly with the pH of wastewater. With pH value ranged in 4~8 the oil removing efficiency was above 90%, beyond this range the oil removing results worsen apparently.
- dithiocarbamate,
- floc,
- oil removing
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