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Recycling of fracturing flowback fluid

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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Recycling of fracturing flowback fluid
Role of surface functional groups of hydrogels in metal ...
Role of surface functional groups of hydrogels in metal ...

15/4/2021, · In this process, first,, a suspension of adsorbent materials is prepared in distilled water containing a certain, amount of TEMPO and sodium bromide (NaBr). Then, the oxidation process is initiated by adding sodium hypochlorite (NaClO) dropwise into the solution.

Chemical Safety Audit Program: FY 1991 Status Report ...
Chemical Safety Audit Program: FY 1991 Status Report ...

The three piping systems involved in the chlorine repackaging process include a supply line fo.r the liquid chlorine, a blowdown line for evacuating the chlorine ,under, pressure from tank cars, cylinders, or pipes, and a vacuum line for removal of chlorine gas from areas that are not ,under, pressure. ,Sodium hypochlorite, is produced through two manufacturing methods at the facility.

291609569-water-chemistry-mark-benjamin-2nd-ed.pdf ...
291609569-water-chemistry-mark-benjamin-2nd-ed.pdf ...

In particular, when either hypochlorous acid (HOCl) or ,sodium hypochlorite, (NaOCl, the active ingredient in bleach) is added to water, it reacts not only with microbes, but also with some of the organic compounds in the water, generating species known as disinfection by-products, or DBPs.

Mining & Hydrometallurgy - DuPont
Mining & Hydrometallurgy - DuPont

Wastewater, produced through mining can come from many sources, including natural precipitation, hydrometallurgical processes, or ,acid mine, drainage (AMD). AMD is created when sulfide minerals are exposed to air and water, producing sulfuric ,acid,. All of these wastewaters typically contain heavy metals.

Elements Handbook
Elements Handbook

Comentarios . Transcripción . Elements Handbook

(PDF) Value Adding to Salts Recovered from Saline Waters ...
(PDF) Value Adding to Salts Recovered from Saline Waters ...

Value ,Adding, to Salts Recovered from Saline Waters in Disposal Basins in the Murray-Darling Basin

Sodium Hipochlorite Manual | Chlorine | Sodium Hydroxide
Sodium Hipochlorite Manual | Chlorine | Sodium Hydroxide

sodium hypochlorite, weight of solution; it may be calculated by converting weight percent of available chlorine into its equivalent as ,sodium hypochlorite,; that is, multiplying by the ratio of their respective molecular weights (Section 2.3.2 - Equation 5a) wet chlorine Liquid or gaseous chlorine with a water content exceeding

(PDF) Fundamentals of Environmental Chemistry 2001 | Nopi ...
(PDF) Fundamentals of Environmental Chemistry 2001 | Nopi ...

37 Full PDFs related to this paper. READ PAPER. ,Fundamentals of Environmental Chemistry 2001

Removal of Pollutants from Acid Mine Wastewater Using ...
Removal of Pollutants from Acid Mine Wastewater Using ...

Sodium hypochlorite, was adopted to oxidize the residual organics in tailings ,wastewater,. When ,sodium hypochlorite, is at the dosage of 1.0 g/L, reaction temperature is of 20°C, and reaction time ...

Pilot test of pollution control and metal resource ...
Pilot test of pollution control and metal resource ...

The study was undertaken in order to recover the metal resources from ,acid mine, drainage (AMD). A 300 m(3)/d continuous system was designed and fractional precipitation technology employed for the main metals Fe, Cu, Zn, and Mn recovery. The system was operated for six months using actual AMD in situ.

Handbook of industrial waste treatment / Prirucnik o ...
Handbook of industrial waste treatment / Prirucnik o ...

Sodium, chloride is made up of ,sodium, ions, each of which has a single electron in its outer shell, and chloride ions, each of which needs one electron to fill its outer shell.

Handbook of industrial waste treatment / Prirucnik o ...
Handbook of industrial waste treatment / Prirucnik o ...

Sodium, chloride is made up of ,sodium, ions, each of which has a single electron in its outer shell, and chloride ions, each of which needs one electron to fill its outer shell.

Applications of environmental chemistry: a practical guide ...
Applications of environmental chemistry: a practical guide ...

Although CO2 itself is not ,acidic,, it reacts in water (reversibly) to make an ,acidic, solution by forming carbonic acid (H2CO3), as shown in Equation 3.9. Carbonic acid can subsequently dissociate in two steps to release hydrogen ions, as shown in Equations 3.10 and 3.11: CO2 + H2O ↔ H2CO3.

Water and Wastewater: Challenges & Opportunities in the ...
Water and Wastewater: Challenges & Opportunities in the ...

13/6/2013, · ,Mine, WastewaterRegulations and Guidelines– Regulations regarding the withdrawal and use of water– Regulations regarding the discharge of ,wastewater, and monitoring of waterquality– Regional and National regulations– International Frameworks• International ,Mine, Water Association — 1979 (www.imwa.info)• International Network for ,Acid Prevention, (www.inap.com.au)• International ...

Laboratory Manual For Principles Of General Chemistry ...
Laboratory Manual For Principles Of General Chemistry ...

Laboratory Manual For Principles Of General Chemistry - Copy. Laboratory Manual for Principles of General Chemistry - Copy - Free ebook download as PDF File …

Sodium Hipochlorite Manual | Chlorine | Sodium Hydroxide
Sodium Hipochlorite Manual | Chlorine | Sodium Hydroxide

sodium hypochlorite, weight of solution; it may be calculated by converting weight percent of available chlorine into its equivalent as ,sodium hypochlorite,; that is, multiplying by the ratio of their respective molecular weights (Section 2.3.2 - Equation 5a) wet chlorine Liquid or gaseous chlorine with a water content exceeding

A novel sequential process of bioleaching and chemical ...
A novel sequential process of bioleaching and chemical ...

Since the 1970s, research on Mo wet alkali and ,acidic, leaching has attracted more attention [5,6], the oxygen pressure process [7], nitric acid decomposition [8], ,sodium hypochlorite, [9], electro ...

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