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For acidic and alkaline industrial 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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For acidic and alkaline industrial wastewater
Removal of boron from wastewater by precipitation of a ...
Removal of boron from wastewater by precipitation of a ...

Based on an industrial case, many methods were tested for the treatment of wastewater containing 50 g L −1 of sulfuric acid and 0.7 g L −1 of boron, and a well‐adapted precipitation process consisting of the neutralization of boric and sulfuric acids by powdered calcium hydroxide is proposed.

The solution for sulphuric acid in wastewater | Almeco
The solution for sulphuric acid in wastewater | Almeco

If the sulphuric acid flows into the sewers, the concrete is affected. Moreover, the mixture becomes even more corrosive as the temperature of the water increases. However, the discharge standards require that factories do not discharge water that can corrode the pipes. …

Wastewater Treatment during PCB Fabrication Process | PSPCB
Wastewater Treatment during PCB Fabrication Process | PSPCB

This process produces copper-containing wastewater, sulfuric acid mist. (10) Soldermask (Green): Its function is to prevent bridging during wave soldering, improve soldering quality and save solder. It is also a permanent protective layer for printed boards that protects against moisture, corrosion, mildew and mechanical abrasion.

Treatment of wastewater containing COD and surfactants ...
Treatment of wastewater containing COD and surfactants ...

10 m³ / d ,wastewater, from a contract manufacturer of cosmetic products contains a COD load of approx. 50 g / L, the majority of which are anionic, nonionic and cationic surfactants. The ,wastewater, from the company means that the municipal sewage treatment plant regularly overflows.

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Road West, North Branch, Jingkai Road, Puyang City