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Removal of heavy metals from acid mine 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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Removal of heavy metals from acid mine wastewater
Chemical precipitation of heavy metals from wastewater by ...
Chemical precipitation of heavy metals from wastewater by ...

The ,treatment, of the heavy metal ,wastewater, with ,magnesium, hydroxy carbonate was successful in decreasing the concentrations of VO 2 +, Cr 3+ and Fe 3+ in ,wastewater,. The precipitation reactions had proceeded thoroughly within 20 min, the dose of ,magnesium, hydroxy carbonate was 0.30 g for 50 mL of ,wastewater,.

Removal of boron from wastewater by precipitation of a ...
Removal of boron from wastewater by precipitation of a ...

investigated various methods and evaluated two effective processes for removing boron from ,wastewater,, based on adsorption on ,magnesium oxide, and ion exchange. Unfortunately, the large consumption of chemicals and expensive regeneration steps for boron‐specific resin make these technologies uneconomical, especially when the boron concentration is high.

(PDF) Sources of magnesium used in the synthesis of ...
(PDF) Sources of magnesium used in the synthesis of ...

This study focused on the use of ,magnesium oxide, (MgO) and calcined magnesite (MgCO3) as ,magnesium, sources to precipitate struvite. Experimental results showed that …

Magnesium oxide solutions for environmental industry
Magnesium oxide solutions for environmental industry

Magnesium Hydroxide: Waste Water Neutralization: Offers a safe and effective replacement to caustic soda and lime for the neutralization of acidic waste streams. Offers excellent buffering capacity to a maximum pH of 9 and prevents high pH spikes, which can adversely affect biological treatment systems.

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