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The content of acid red B in printing and dyeing wastewater

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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The content of acid red B in printing and dyeing wastewater
Treatment of 124 -acid wastewater combined flocculation ...
Treatment of 124 -acid wastewater combined flocculation ...

Combined flocculation with complex extract process to treat with 1,2,4-acid wastewater, dicyandiamide formaldehyde was used as the flocculant; TOA(trioctylamine) as extracting agent, propyl butyl-carbinol as the diluent, NaOH as back-extracting agent, the best flocculation conditions are: pH value of the wastewater is 3, formaldehyde Dicyandiamide to wastewater at the ratio of 1%, stirred quickly for 2 …

Treatment of 124 -Acid Wastewater Combined Flocculation ...
Treatment of 124 -Acid Wastewater Combined Flocculation ...

The results showed that: used dicyandiamide formaldehyde as the flocculant, the optic ,flocculation conditions, was: the ,wastewater, pH value for 3, flocculants to ,waste water, at the ratio of 1%, stirred quickly for 2 min and slowly for 10 min at 70 ℃, standing for 40 min. COD removal rate reached 83.7%,The COD Surplus 2240mg/L; organic bentonite being as adsorbent, the optic adsorption ...

Enhanced flocculation activity of polyacrylamide‐based ...
Enhanced flocculation activity of polyacrylamide‐based ...

Abstract. The ,flocculation, activity of commercially available anionic poly (acrylamide‐co‐acrylic ,acid,), p (AAm‐co‐AA) has been significantly improved, without any inorganic coagulant aid. The effect of three types of surfactants, anionic sodium lauryl ether sulfate (SLES) (Palm Epimen), nonionic cocamide DEA, zwitterionic amphoteric Amphotensid ...

Flocculants in Wastewater Treatment | Enva
Flocculants in Wastewater Treatment | Enva

Flocculation leading to sedimentation is both used in the purification of drinking water, as well as for sewage, storm water, and industrial wastewater treatment. This is why flocculants are largely known for being water treatment plant chemicals.

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