This product is prepared through amphoteric monomer copolymerization technology, with both anionic and cationic charge characteristics, which can maintain stable performance in high salinity and wide PH range. Its salt resistance can reach more than 30000 mg/L, and the flocculation effect in high salinity water is increased by more than 60% compared with common anionic PAM. Its unique molecular structure can adsorb pollutants with positive and negative charges at the same time, with excellent anti-scaling performance, which can reduce scaling problems of subsequent water treatment equipment. The residual monomer content is far lower than international environmental protection standards, meeting oilfield environmental emission requirements, and can be adapted to integrated water treatment devices at oilfield sites.
It appears as white granular powder, with a molecular weight range of 12-18 million, solid content ≥93%, amphoteric ionic degree of 15%-25%, complete dissolution time ≤70 minutes at 25℃, applicable PH range of 3-11, salt resistance up to 30000 mg/L, residual monomer content ≤0.02%. The standard package is 25kg inner bag + pallet packaging, which is convenient for transportation and use at oilfield sites.
It is mainly used in oilfield tertiary recovery production water treatment, which can remove polymers, crude oil suspended particles and salts in water to meet oilfield reinjection water requirements. It can also be used for high salinity wastewater treatment in coal chemical, pharmaceutical, printing and dyeing and other industries, reducing COD and suspended matter content in wastewater to meet strict environmental emission requirements. It can also be used for pretreatment of desalination concentrated water to improve the operating stability of subsequent membrane treatment equipment.
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