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Treatment of industrial acid 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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Treatment of industrial acid wastewater
Wastewater and Sludge | Lhoist - Minerals and lime producer
Wastewater and Sludge | Lhoist - Minerals and lime producer

Wastewater, neutralization, Acidic wastewater, is neutralized using a strong base in order to be further process within a, wastewater, treatment system. This requires the use of an, alkaline, reagent or base. Lime, as calcium hydroxide, is commonly used as an, alkaline, neutralizing reagent.

Wastewater and Sludge | Liquid Lime | The Artesia Companies
Wastewater and Sludge | Liquid Lime | The Artesia Companies

Wastewater neutralization. Wastewater must be neutralized to adjust its pH value in order to meet the requirements of different processing units within a wastewater treatment system. Neutralization may be used to treat acid wastewaters containing metals. Adding an, alkaline reagent, increases the pH of the acid waste.

Plant Materials for Saline-Alkaline Soils - MSU Extenison ...
Plant Materials for Saline-Alkaline Soils - MSU Extenison ...

Irrigation timing, duration and the disposal of ,wastewater, all influence the movement of ,soil, salts. ,Soil, amendments such as gypsum (CaSO 4), calcium chloride dihydrate (CaC1 2 - 2H 2 O), and sulfuric ,acid, (H 2 SO 4) have been used for the reclamation of saline - ,alkaline, soils.

Washington D.C. September 2000 Biosolids Technology Fact ...
Washington D.C. September 2000 Biosolids Technology Fact ...

FIGURE 2 FLOW DIAGRAM OF A TYPICAL ,ALKALINE, STABILIZATION OPERATION ,wastewater, solids, ,can improve, the quality of the product with respect to metals. DESIGN CRITERIA There are many factors that must be considered in designing an ,alkaline, stabilization facility for biosolids. The most critical are: C Percent solids of infeed ,wastewater, solids.

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