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1. (WO2018086096) FLOCCULANT FOR WASTEWATER IN OIL FIELD

Pub. No.:    WO/2018/086096    International Application No.:    PCT/CN2016/105645
Publication Date: Fri May 18 01:59:59 CEST 2018 International Filing Date: Tue Nov 15 00:59:59 CET 2016
IPC: C02F 1/52
Applicants: JIANGSU HUAAN SCIENTIFIC RESEARCH DEVICES CO., LTD
江苏华安科研仪器有限公司
Inventors: ZHANG, Jianhua
张建华
GU, Jisheng
顾吉胜
Title: FLOCCULANT FOR WASTEWATER IN OIL FIELD
Abstract:
A flocculant for wastewater in an oil field. The flocculant comprises the following components in parts by mass: 3 to 10 parts of aluminium chloride, 2 to 5 parts of dilute sulphuric acid, 4 to 10 parts of sodium tripolyphosphate, 10 to 14 parts of alkyl benzene sulfonic acid, 7 to 12 parts of polyacrylamide, 2 to 4 parts of CPAM, 5 to 8 parts of deionized water, and the balance of water. The flocculant for wastewater in an oil field is suitable for oil field wastewater, can effectively remove solid suspended substances and degradable organic substances in the wastewater, and can implement quick flocculating and settling so as to purify the wastewater, and can effectively remove organic impurities and emulsified oil in the wastewater in oil extraction, thereby achieving the effect of purifying the water.