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Removal of phosphorus and fluorine from acid wastewater by calcium carbonate

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 phosphorus and fluorine from acid wastewater by calcium carbonate
Do You Need to Remove Chromium from Your Industrial Water ...
Do You Need to Remove Chromium from Your Industrial Water ...

As such, the most important reason ,to treat wastewater, for chromium is to protect public health and safety, although there are also other reasons to consider chromium removal as part of an overall ,wastewater, treatment strategy. We’ll address these in more detail below: Compliance with ,wastewater, discharge permit limitations

US5139679A - Treatment of wastewater containing citric ...
US5139679A - Treatment of wastewater containing citric ...

Process for treating wastewater containing citric acid and triethanolaminend heavy metals by subjecting the wastewater to treatment with hydrogen peroxide and ultraviolet light (UV) and in the...

Wastewater treatment and reclamation: A review of pulp and ...
Wastewater treatment and reclamation: A review of pulp and ...

Katal and Pahlavanzadeh (2011) found positive results with either kind of electrode over a wide range of pH (5 to 7), making it feasible ,to treat, the paper mill ,wastewater, without the adjustment of pH. Bellebia et al. (2012) found that an aluminum electrode system had a lower optimum pH (5.3) compared to an iron system (pH=7.2).

Research on Treating Acid Wastewater Containing Heavy Metal
Research on Treating Acid Wastewater Containing Heavy Metal

(VI). Cr (VI) is easy to accumulate in organisms and water because of its solubility, strong oxidation, toxicity and other characteristics [4]. Chromium- containing wastewater treatment is particularly important and must be treated before discharged. Biological treatment of Cr (VI) contaminated waters was

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