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Foreign treatment technology 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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Foreign treatment technology of fracturing flowback fluid
Effect of pH and Electrolysis Time on Removal of Reactive ...
Effect of pH and Electrolysis Time on Removal of Reactive ...

Generally textile ,wastewater, containing chlorine components, which may cause further reaction, occurs in the electrocoagulation process. During the electrocoagulation presents of chlorine atoms oxidizing the organic components in ,wastewater, and increase the color removal efficiency. 2Cl+Cl. 2 +2e-The cathode has been electrochemically affected ...

Alkalic Leaching and Stabilization of Arsenic from Pyrite ...
Alkalic Leaching and Stabilization of Arsenic from Pyrite ...

Pyrite usually contains a certain amount of arsenic, and most of the arsenic will get into the furnace gas in the process of roasting, then into the acid sludge, waste water and sulfuric acid through gas washing. However, there will still be a small amount of arsenic in the cinders [ 15.

Acid Mist - emewCorporation
Acid Mist - emewCorporation

Many industries generate ,acid mist, as a result of their ,industrial, processes. In most cases the ,acid mist, will be caused by usage of inorganic acids, and in particular sulfuric ,acid,. Sulfuric ,acid, is mostly used in a production of fertilizers, and industries like pulp and paper, iron and steel, mining, refining and ,wastewater, …

Rh-engineered ultrathin NiFe-LDH nanosheets enable highly ...
Rh-engineered ultrathin NiFe-LDH nanosheets enable highly ...

The solutions together with the ,acid,-washed NF were subjected to a 100 mL stainless-steel Teflon-lined autoclave, sealed, and maintained in an oven at 120 °C for 12 h. After cooling down, the sample ([email protected]) was taken out, washed with DI water and absolute ethanol several times, and then dried in an oven at 80 °C overnight.

Removal of Zn2+ from Wastewater Using Membrane Electrolysis
Removal of Zn2+ from Wastewater Using Membrane Electrolysis

EURECA 2013 – Removal of Zn 2+ ,from Wastewater Using Membrane Electrolysis, Performance of ,electrolysis, the synthetic ,wastewater, is studied in a range of pH from 4 to 8while keeping the concentration of the metal ions in 100. The current density is kept at 0.8A as mg/L previous research shows that at 0.8A, the removal efficiencies of

Disposal of high-arsenic waste acid by the stepwise ...
Disposal of high-arsenic waste acid by the stepwise ...

The arsenic concentrations for the waste acid usually range from, 0.5 to 30 g L −1 with, sulfuric acid concentrations, ranged from 10 to 200 g L −1,, which is the most crucial arsenic waste because of its high arsenic mobility and toxicity. 3–5 Even a slight leakage of high-arsenic waste acid will cause serious arsenic pollution as well as widely safety and environmental concern. 6,7

Treatment of vinegar industry wastewater by ...
Treatment of vinegar industry wastewater by ...

After 75 min ,electrolysis,, energy consumption values for 0 mg/L PAC and 10 mg/L PAC concentrations were 55.70 and 42.42 kWh/m 3 treated ,wastewater,, respectively. The costs of energy consumed per m 3 of treated water were calculated as €6.13 and €4.67 for without PAC and 10 mg/L PAC concentrations.

Study on the Application of Three-dimensional Electrolysis ...
Study on the Application of Three-dimensional Electrolysis ...

This paper focused on the application of three-dimensional ,electrolysis, in treatment of Malachite Green (MG) dye ,waste water,. Regular influence on the reduction of COD by the pH value of the system, the impressed voltage, the type and concentration of electrolyte, the aeration and the ,electrolysis, time was investigated in the experimental part.

Flow Measurement of Industrial Wastewater | FLEXIM
Flow Measurement of Industrial Wastewater | FLEXIM

Flow Measurement of Industrial Wastewater, . ,Industrial Wastewater, is a common liquid to handle in rather big amounts at chemical sites. As it significantly differs in comparison to municipal ,wastewater,, chemical sites employ their own treatment facilities before the …

Removal of arsenious acid from sulfuric acidic solution ...
Removal of arsenious acid from sulfuric acidic solution ...

of ,water,, air, and ferrous sulfide ore (FeS 2) that still remain in the mine. In general, ,acid, mine drainage (AMD) includes toxic materials, such as As, Cd, Pb, and others.1–7) AMD from the Matsuo abandoned mine includes harmful arsenious ,acid, [As(III)] at a concentration of 1ppm. Therefore, the treatment ,of arsenic, (As) in AMD is required.8,9) Currently,

Performance Chemicals 1
Performance Chemicals 1

Through the intermediates received from our ,electrolysis, unit, we are able to produce a wide range of products. Our principal products are ferric chloride, a coagulant that is used in ,industrial, and municipal markets for the treatment of ,wastewater, or the ,purification, of drinking water, caustic soda and sodium hypochlorite, which are used for disinfection and household cleaning, and ...

Treatment of oilfield wastewater by combined process of ...
Treatment of oilfield wastewater by combined process of ...

Micro-,electrolysis, and Fenton oxidation has been used to pretreat ,industrial wastewater, widely due to extensive adaptability to wide variations of compositions of ,wastewater, (Wang et al. 2006).Especially, it has been studied on treatment of poor biodegradable ,wastewater,, including pesticide ,wastewater, (Wu et al. 2003), pharmacy ,wastewater, (Wang & Zhang 2001; Liu et al. 2005) and dye ,wastewater, ...

Study of the Reuse of Industrial Wastewater After ...
Study of the Reuse of Industrial Wastewater After ...

Study of the Reuse of ,Industrial Wastewater, After Electrochemical Treatment of Textile Effluents without ... Oxidation State (AOS) at the end of each ,electrolysis,, as well as information on the efficiency in each case through the Carbon Oxidation State (COS) ... form of ,purification,. Other products used in the dying process (NaOH, H 2 O 2, and ...

Removal of arsenious acid from sulfuric acidic solution ...
Removal of arsenious acid from sulfuric acidic solution ...

of ,water,, air, and ferrous sulfide ore (FeS 2) that still remain in the mine. In general, ,acid, mine drainage (AMD) includes toxic materials, such as As, Cd, Pb, and others.1–7) AMD from the Matsuo abandoned mine includes harmful arsenious ,acid, [As(III)] at a concentration of 1ppm. Therefore, the treatment ,of arsenic, (As) in AMD is required.8 ...

Chromic acid | H2CrO4 - PubChem
Chromic acid | H2CrO4 - PubChem

/,Chromic acid,:/ This important ,acid, is known also as chromium trioxide. The technical grade is obtainable from primary producers in an anhydrous form as small dark red flakes containing 99% CrO3. Like all chromates and dichromates, its chromium is in the hexavalent state.

A Rapid Field Detection Method for Arsenic in Drinking Water
A Rapid Field Detection Method for Arsenic in Drinking Water

The quantitative limit is 1.0 μg of elemental As for all four ,arsenic, species. Recoveries of 90-100% of all four ,arsenic, species from albumin, ,plant, extracts, plasma, urine, and ,water, are reported.

Recovery of sulphuric acid from waste aqueous solutions ...
Recovery of sulphuric acid from waste aqueous solutions ...

1/1/1997, · 1. Introduction It is known that at certain stages of treatment of ores containing heavy and rare elements, aqueous streams with high acidity and arsenic are obtained [1]. Specifically, waste water with high arsenic content originates from sulphuric acid production plants where, sulphide ore, with a high content of arsenic is used [2].

Control of Pollution in the Chemical Industry
Control of Pollution in the Chemical Industry

The main disadvantage of the use of sulfides as a source of sulfur for ,sulfuric acid, production is ,the content of arsenic,, which cannot be removed successfully from the product with the associated problems with environment protection (particulate, ,arsenic,, etc.). Therefore, ,sulfuric acid, is usually a by-product in non-ferrous metallurgy in the

Effect of pH and Electrolysis Time on Removal of Reactive ...
Effect of pH and Electrolysis Time on Removal of Reactive ...

[1] V.Khandegar andA. K. Saroha, “Electrochemical treatment of textile effluent containing ,Acid, Red 131 dye”,Journal of Hazardous, Toxic, and Radioactive Waste, Vol. 18, No. 1, pp. 38-44, 2013. [2] M.Chafi, B.Gourich, A. H.Essadki, C.Vial and A.Fabregat, “Comparison of electrocoagulation using iron and aluminium electrodes with chemical coagulation for the removal of a highly soluble ...

Alkalic Leaching and Stabilization of Arsenic from Pyrite ...
Alkalic Leaching and Stabilization of Arsenic from Pyrite ...

Pyrite, usually contains a certain amount of arsenic, and most of the arsenic will get into the furnace gas in the process of roasting, then into the acid sludge, waste water and sulfuric acid through gas washing. However, there will still be a small amount of arsenic in the cinders [ 15.

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