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Characteristics of oilfield 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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Characteristics of oilfield fracturing flowback fluid
New trends in removing heavy metals from industrial wastewater
New trends in removing heavy metals from industrial wastewater

1/10/2011, · 2.2. Industrial ,wastewater, sources. Industrial ,wastewater, streams containing heavy metals are produced from different industries. Electroplating and metal surface treatment processes generate significant quantities of wastewaters containing heavy metals (such as cadmium, zinc, lead, chromium, nickel, copper, vanadium, platinum, silver, and titanium) from a variety of applications.

Sulfuric Acid for Wastewater Treatment | Beckart
Sulfuric Acid for Wastewater Treatment | Beckart

Sulfuric Acid. Sulfuric acid is, the acid of choice for many pH neutralization applications due to its high effectiveness and strong acidic nature., Typical Applications: Industrial and sanitary wastewater. pH neutralization. Emulsion breaker. Typical Properties:

Modern Spent-caustic Wastewater Treatment Simulation by ...
Modern Spent-caustic Wastewater Treatment Simulation by ...

In the direct ,acid, neutralization (DAN) treatment process, the spent caustic ,wastewater, is acidified to release acidic components that were captured in the alkaline caustic solution. Sulphuric ,acid, (98%) and hydrochloric ,acid, are suitable. This results in sulfides and mercaptans being released as ,acid, …

SOLUTION FOR WASTEWATER PROBLEM RELATED TO …
SOLUTION FOR WASTEWATER PROBLEM RELATED TO …

Treatment with sulphuric ,acid, Another method is the treatment of ,wastewater, with the addition of sulphuric ,acid, and simultaneous aeration. The disadvantages lie in the evolution of hydrogen cyanide, which is highly toxic in nature. Copper plating solution containing 15,200-ppm cyanide as NaCN can be treated with sulphuric ,acid

Proton Exchange Membrane - an overview | ScienceDirect Topics
Proton Exchange Membrane - an overview | ScienceDirect Topics

Proton Exchange Membrane,. Proton exchange membranes (PEM) are key electrolyte components in PEM fuel cells which, owing to their low operating temperature and high power density, are the most promising and versatile among the different FC technologies for low to medium power generation, especially under discontinuous or dynamic operation (e.g. uninterrupted power supply, vehicle …

Ethylene Glycol - US EPA
Ethylene Glycol - US EPA

Ethylene glycol, may be discharged into ,wastewater, from its production and use. It may also enter the environment from its uses in deicing airplane runways and from spills and improper disposal of used antifreeze, coolant, and solvents containing ,ethylene glycol,. (1,2) Assessing Personal Exposure

Aluminum potassium sulfate | KAl(SO4)2 - PubChem
Aluminum potassium sulfate | KAl(SO4)2 - PubChem

Potassium alum is considered by the FDA as a generally recognized as safe (GRAS) substance. It is an inorganic salt, also called potassium aluminum sulfate with a formula of AlK(SO4)2 that is predominantly produced in the dodecahydrate form (AlK(SO4)2 * 12H2O).

Wastewater Treatment | Biogreen
Wastewater Treatment | Biogreen

During the reaction process, H 2 O 2 is added directly and continuously to ,electrolytic, reduction cells which produced the electrolysis reaction of Fe 2+ for the oxidation of organic matter in ,waste water,, while the Fe 3+ produced by the reaction can also directly reduced to Fe 2+ in the cathode and the steady flow of participation in response to so that the oxidation of H 2 O 2 efficiency ...

Nitrobenzene | C6H5NO2 - PubChem
Nitrobenzene | C6H5NO2 - PubChem

After mild ,acid, or alkaline hydrolysis, 90% of the bound material was released and identified as aniline by radio thin layer chromatography . Nitroso aryl derivatives, common intermediates in the metabolism of N-substituted aryl compounds, apparently react with SH-groups of hemoglobin to yield sulfinic ,acid, amides.

Determination of aluminum content in the wastewater of ...
Determination of aluminum content in the wastewater of ...

There is a large amount of strong ,acid wastewater, containing fluorine ion generated during ,electrolytic, aluminum foil processing.This paper will investigate the EDTA complexometry fast measuring method to determine the aluminum content in ,wastewater,.The study covers the impact of interfered ions on aluminum content measurement,acidity selection,and the determination of …

Electrocoagulation - Wikipedia
Electrocoagulation - Wikipedia

Electrocoagulation, (EC) is a technique used for ,wastewater, treatment, wash water treatment, industrially processed water, and medical treatment. ,Electrocoagulation, has become a rapidly growing area of ,wastewater, treatment due to its ability to remove contaminants that are generally more difficult to remove by filtration or chemical treatment systems, such as emulsified oil, total petroleum ...

Decomplexation of electroplating wastewater by ozone-based ...
Decomplexation of electroplating wastewater by ozone-based ...

Ethylenediaminetetraacetic ,acid, (EDTA) and citric ,acid, are the most common components ,of electroplating wastewater,. They were used as representatives to study the decomplexation and mineralization of complexes in the ozone-based advanced oxidation processes.

System of Registries | US EPA
System of Registries | US EPA

Wastewater,, cadmium sulfate ,electrolytic,, ,acid, CAS Number: ... ,Wastewater,, cadmium sulfate ,electrolytic,, ,acid,. Molecular Formula: Unspecified Definition: ,Electrolytic, solution from electrolysis of cadmium sulfate consisting primarily of cadmium sulfate and sulfuric ,acid,…

Electrocoagulation - Wikipedia
Electrocoagulation - Wikipedia

Electrocoagulation, (EC) is a technique used for ,wastewater, treatment, wash water treatment, industrially processed water, and medical treatment. ,Electrocoagulation, has become a rapidly growing area of ,wastewater, treatment due to its ability to remove contaminants that are generally more difficult to remove by filtration or chemical treatment systems, such as emulsified oil, total …

Sulfuric acid - WasteWater
Sulfuric acid - WasteWater

The proposed technical ,sulfuric acid, (96%) is one of the strongest acids and is very corrosive, it is a colourless (brownish), oily, very viscous and hygroscopic liquid with different concentrations. It is suitable for use due to its low influence of ambient temperatures. In the process of water purification, it is used successfully in correction where the pH value of raw water exceeds the ...

Ammonia - Wikipedia
Ammonia - Wikipedia

Ammonia, is a compound of nitrogen and hydrogen with the formula NH 3.A stable binary hydride, and the simplest pnictogen hydride, ,ammonia, is a colourless gas with a distinct characteristic of a pungent smell. It is a common nitrogenous waste, particularly among aquatic organisms, and it contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to ...

ACS Publications: Chemistry journals books and ...
ACS Publications: Chemistry journals books and ...

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Electrochemical Water Treatment (Water and Wastewater)
Electrochemical Water Treatment (Water and Wastewater)

A competitive sewage treatment technology should meet the standard of water quality requirement and accomplish recovery of potential energy. This study presents such a new system, with coupled membrane bioreactor-microbial fuel cell features, which can not only treat ,wastewater,, but also recovers energy from ,wastewater, by electricity generation, and form a new resource by …

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