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Which enterprises use 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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Which enterprises use acid wastewater
Resource Recycling of Mn-Rich Sludge: Effective Separation ...
Resource Recycling of Mn-Rich Sludge: Effective Separation ...

Groundwater treatment sludge (GWTS) is a Mn-rich waste and precipitated from backwash ,wastewater, of groundwater treatment plants. Approximately, 5 t of sludge is generated in treatment plants with a production of 80,000 m 3 /d. The sludge contains 5.4–8.5 wt % of Mn and is usually dumped directly into the river or sea without disposal. With such disposal, the sludge was precipitated on the ...

Dye and its removal from aqueous solution by adsorption: A ...
Dye and its removal from aqueous solution by adsorption: A ...

1/7/2014, · It contains insoluble metal hydroxides and other salts. Netpradit et al. studied reactive dye removal by ,electroplating industry, hydroxide sludge and they found the maximum adsorption capacities of 45.87 and 61.73 mg/g for Reactive Red 120 and Reactive Red 2 respectively at 30 °C and at pH 8–9.

(PDF) Heavy Metals In Water : Presence Removal and Safety
(PDF) Heavy Metals In Water : Presence Removal and Safety

Chromium, enters into the ,environment, by natural inputs. ... the treatment of ,wastewater containing, metal ions has been investigat ed by. ... cating competition of protons for binding to ,acidic, sites.

Sustainable Development for Agriculture and Environment
Sustainable Development for Agriculture and Environment

Sustainable Development for Agriculture and ,Environment, 288 Pages Anu Books H.O. Shivaji Road, Meerut, 0121-2657362 H-48, Green Park Extension, New Delhi-16, 9997847837 Glasgow (UK) +447586513591, 2018

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