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Preparation of desulfurized gypsum from acid waste water

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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Preparation of desulfurized gypsum from acid waste water
Effects of microplastics on wastewater and sewage sludge ...
Effects of microplastics on wastewater and sewage sludge ...

15/2/2020, · ZnCl 2, NaI and CaCl 2 can be used to extract microplastics from sludge. They all rely on density-based extraction techniques, which use density differences between sludge and microplastics to separate them. When sludge samples are placed in high density salt solution, plastic particles tend to float to the surface of the solution, while denser sludge materials remain at the bottom of the ...

Activated Carbon Filtration - Water Treatment Guide
Activated Carbon Filtration - Water Treatment Guide

Granular ,activated carbon, (GAC) is commonly used for removing organic constituents and residual disinfectants in water supplies. This not only improves taste and minimizes health hazards; it protects other water ,treatment, units such as reverse osmosis membranes and ion exchange resins from possible damage due to oxidation or organic fouling.

Frontiers | A Review of Phosphorus Removal Technologies ...
Frontiers | A Review of Phosphorus Removal Technologies ...

The removal of phosphorus (P) from ,domestic wastewater, is primarily to reduce the potential for eutrophication in receiving waters, and is mandated and common in many countries. However, most P-removal technologies have been developed for use at larger ,wastewater treatment, plants that have economies-of-scale, rigorous monitoring, and in-house operating expertise.

Deep-bed filters as post-treatment for ozonation in ...
Deep-bed filters as post-treatment for ozonation in ...

Ozonation followed by biological post-,treatment, is an established technology for abatement of organic micropollutants (OMP) from municipal ,wastewater,. Although the necessity of biological post-,treatment, for oxidation by-product (OBP) removal is widely accepted, there is still discussion about the appropriate Recent Open Access Articles

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