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Treatment of acid electroplating 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 acid electroplating wastewater
Review on biological wastewater treatment and resources ...
Review on biological wastewater treatment and resources ...

Recovery, of nutrients or resources from biosolids and liquid effluents in the field of ,wastewater, treatment has paved the way for utilities to better manage sewage and optimize treatment operations. For example, N and P are the bio-essential macronutrients that are used as fertilizers for agricultural purposes, and may be recovered from ,wastewater, treatment.

AMMONIA RECOVERY FROM DIGESTED DAIRY MANURE AS …
AMMONIA RECOVERY FROM DIGESTED DAIRY MANURE AS …

wastewater, BNR process, includes the entire process of oxidation of ammonia to ,nitrate, (reactions 1-2) and reduction of ,nitrate, to nitrogen gas (reactions 3-4). It has been studied for ammonia removal from animal ,wastewater, at full scale without anaerobic digestion

Treatment of Effluents of Fertilizer Industry ...
Treatment of Effluents of Fertilizer Industry ...

In the first few vessels, the reaction products – calcium ,nitrate, and phosphoric or sulphuric ,acid, is added together with ammonia to produce a specific mix of calcium compounds, ammonium ,nitrate, and phosphoric ,acid,. This then converted into a dry product. Sources, Volume and Characteristics of …

Research Article Development of a Technology for Treating ...
Research Article Development of a Technology for Treating ...

the production of aromatic nitro compound, the acidic wastewater contains small amounts of solid particles, which if passed to the neutralization stage, it would jeopardize the process, resulting in the occurrence of violent reaction with high heat release. A sedimentation- ltration system was used for purifying the acidic wastewater. In the settling

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