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Chemical equation for treatment of 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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Chemical equation for treatment of acid wastewater
Brief Analysis of the Main Treatment Methods of Phosphoric ...
Brief Analysis of the Main Treatment Methods of Phosphoric ...

It not only affects the dosage of ,calcium,, but also produces ,calcium carbonate, which can be used as a weight-increasing agent to condensate and clarify ,wastewater,. The primary reaction and precipitation in the above process are mainly zinc removal, control of pH=8.5-9.0, ,adding, polyaluminium chloride.

FGD Wastewater Treatment Still Has a Ways to Go | Power ...
FGD Wastewater Treatment Still Has a Ways to Go | Power ...

The desaturation process reduces the concentration of dissolved sulfate in the FGD ,wastewater,. This is best achieved ,by adding, ... sulfuric ,acid, can result in ,calcium, ... ,wastewater treatment, ...

A Review of Anoxic Wastewater Treatment: An Overlooked ...
A Review of Anoxic Wastewater Treatment: An Overlooked ...

Phosphorus is removed from ,wastewater by adding, lime (CaO) or Ca(OH) 2). The lime first react with alkaline bicarbonate in the ,wastewater, to form ,calcium carbonate, (CaCO 3). Increase in the pH causes excess ions in the ,wastewater, to react with phosphate to form hydroxylapatite [Ca 5 (OH)(PO 4) 3] which is precipitated out as shown in Equation ...

Treatment of gas well production wastewaters - ProChemTech ...
Treatment of gas well production wastewaters - ProChemTech ...

Under these reaction conditions, ,calcium, precipitates as ,calcium carbonate, and a substantial portion of any strontium present precipitates as strontium ,carbonate,. The treated ,wastewater, can then be pH-adjusted in a fourth mix tank 124, for example, ,by adding, sodium hydroxide from a source tank 126.

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