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How much sodium sulfide does a ton of acid wastewater need

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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How much sodium sulfide does a ton of acid wastewater need
Flocculants - an overview | ScienceDirect Topics
Flocculants - an overview | ScienceDirect Topics

In wastewater treatment, polyacrylamide-based flocculants are commonly used. Because they can contain potentially toxic acrylamide residues, flocculants based on natural biopolymers are preferred over synthetic polymers. An effective biopolymer flocculant for harvesting microalgae is, chitosan,, which is prepared by deacetylation of chitin.

Carboxymethyl inulin: a novel flocculant for wastewater ...
Carboxymethyl inulin: a novel flocculant for wastewater ...

Flocculation, efficacy of various grades of CMI, have been studied in kaolin suspension and then in municipal, wastewater,, in relation to inulin (parent polysaccharide). This has been done utilizing jar-test procedure towards possible application as a, flocculant, for, waste water, treatment.

How to Select a Chemical Coagulant and Flocculant.
How to Select a Chemical Coagulant and Flocculant.

applications. A flocculant is seldom needed, but filtering is always recommended. The only major problem encountered with a lime softening programme is if there is a need to soften at a high pH and remove organic colour at a low pH. The only real solution is to make a capital investment in two clarifiers, arranged in series. Initially coagulant.

(PDF) A New Flocculant-Coagulant with Potential Use for ...
(PDF) A New Flocculant-Coagulant with Potential Use for ...

Results showed that treatment of Food and beverages wastewater with HCl-flocculant dosage of 6.5% (v/v) showed COD and turbidity removal of up to 71.5% and 70.8% respectively. Wastewater from soaking of paper mill and end process paper mill showed a bit lower percentage of COD removal of about 40-50%.

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