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acid fracturing waste water emission treatment methods associated

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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acid fracturing waste water emission treatment methods associated
Electroplating- Lenntech
Electroplating- Lenntech

Wastewater, composition: Almost all the substances and products used in ,electroplating, can be found in the ,wastewater,, for instance ,acidic, solutions, toxic metals, solvents, and cyanides. This contamination is a consequence of the different process steps such as spillage, rinsing, dumping of process baths.

Electroplating Wastewater Treatment_Method
Electroplating Wastewater Treatment_Method

Electroplating, factory ,wastewater, discharged serious confusion (The quality of employees is poor and they are arranged in a row to save time.) ,Wastewater, is not categorized into categories. The chemicals used in each sort of ,wastewater, are highly targeted in order to reduce costs.As a result, the ,wastewater, of each category is poorly treated, and the integrated water is still not up to standard.

Removal of chromium (VI) from electroplating wastewater ...
Removal of chromium (VI) from electroplating wastewater ...

Although ,acidic, conditions (pH = 2-6) facilitated Cr (VI) adsorption, the exchanger was effective in neutral solution and even under weak base conditions. The equilibrium data fitted well with Langmuir adsorption model, and the maximum Cr (VI) adsorption capacities at pH 6.4 were 0.35, 0.36 and 0.38 mmol/g for 15, 25 and 35 degrees C, respectively.

The Adsorption Characteristic of Heavy Metals from ...
The Adsorption Characteristic of Heavy Metals from ...

The results showed that the best acidic conditions was pH = 7 ~ 8, and δ-MnO 2 combined with PFS adsorption on heavy metals of wastewater with Cu 2+, Pb 2+, Cr 3+ was better than the single use of δ-MnO 2 and PFS, δ-MnO 2: PFS for the 3:1 quality ratio, the first dosage of δ-MnO 2 stirring for half an hour then plus PFS mixing 2 hours, the heavy metal ions Cu 2+, Pb 2+, Cr 3+ from wastewater in the …

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