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acidification fracturing flow-back fluids discharge

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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acidification fracturing flow-back fluids discharge
Determination of Trace Metals in Waste Water and Their ...
Determination of Trace Metals in Waste Water and Their ...

9/3/2012, · The procedures for destroying organic material and dissolving heavy metals fall into three groups; wet digestion by acid mixtures prior to elemental analysis, dry ashing, followed by acid dissolution of the ash and microwave assisted digestion .

Textile dye wastewater characteristics and constituents of ...
Textile dye wastewater characteristics and constituents of ...

27/11/2018, · The artificial ,wastewater, consisted of glucose, ethanol, sodium acetate, ammonium chloride, potassium dihydrogen phosphate, dipotassium phosphate, calcium chloride dihydrate, magnesium sulphate heptahydrate, ethylenediaminetetraacetic ,acid,, dye mixture (sumifix black EXA, sumifix navy blue EXF and synozol red K-4B) and 1 ml/l of trace element solution.

Chapter 2 - Health risks associated with wastewater use
Chapter 2 - Health risks associated with wastewater use

Even though there is a lack of data to ,define, whether the WHO Guidelines could be used as irrigation water standards, their potential use is implied in the WHO discussion of handling partially treated ,wastewater,, which stated, "A lesser degree of removal [than needed to achieve the recommended guideline quality for unrestricted irrigation] can be accepted if other health protection measures ...

Wastewater reuse growing unprecedented populations and ...
Wastewater reuse growing unprecedented populations and ...

Conventional ,wastewater, treatment consists of a combination of physical, chemical and biological processes and operations to eliminate solids, organic matter, pathogens, metals and sometime nutrients from ,wastewater,. 2 Common terms used to ,define, different degrees of treatment, in sequence of increasing treatment level are preliminary, primary, secondary, tertiary and/or advanced treatment.

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