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Acid chromium containing wastewater from electroplating industry pollutes the environment

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 chromium containing wastewater from electroplating industry pollutes the environment
The effect of hydraulic flowback and produced water on ...
The effect of hydraulic flowback and produced water on ...

20/4/2017, · Hydraulic ,fracturing fluid, are complex mixtures containing high concentrations of salts (up to 330,000 ppm), organic, and metal contaminants. However, little …

Treatment of oilfield fracturing flow-back fluid by ClO_2 ...
Treatment of oilfield fracturing flow-back fluid by ClO_2 ...

Oilfield fracturing, flow-back ,fluid, was treated by Cl O2 catalytic oxidation process. Under the conditions of Cl O2 dosage 15m L·L- 1, concentration of 20%, oxidation reaction time 20 min and initial wastewater COD was 1883.7mg·L- 1, the COD removal rate was 78.1%. In order to achieve the ideal treatment effect, a certain amount of the composite metal catalyst was added into the flow-back ...

Treatment of high viscosity fracturing flowback by ...
Treatment of high viscosity fracturing flowback by ...

With the increasing application of, hydraulic fracturing technology, in exploration of tight oil and shale gas, the, treatment, of accompanying, fracturing flowback fluids, has become more urgent. Fe/Ni catalyst was successfully applied in the, treatment, of the, flowback fluid, for the first time in this paper.

Treatment Of Flowback For Reuse: An Emerging Oilfield ...
Treatment Of Flowback For Reuse: An Emerging Oilfield ...

One of the most rapidly growing water treatment technologies in the ,oil field, is sterilization by the addition of chlorine dioxide gas to freshwater used in ,fracturing, operations. The practice is borrowed from other industries where chlorine dioxide is used to sterilize drinking water.

CN101805090A - Process for treating fracturing flow-back ...
CN101805090A - Process for treating fracturing flow-back ...

The invention discloses a process for treating the ,fracturing flow-back fluid, of an oil well. The process combines a microbial hydrolysis ,technology,, an electric flocculation ,technology, and a suspended sludge filtration ,technology,, enables the treated ,fracturing flow-back fluid, of an ,oil field, to directly reach an A3 reinjection standard, can meet the reinjection requirement and solves the ...

Treatment of fracturing flowba - en.oilfield-eco.com
Treatment of fracturing flowba - en.oilfield-eco.com

Treatment of ,fracturing, flowba ,Fracturing flowback fluid, + neutralization adjustment + flocculation sedimentation + dissolved air flotation + fine filtration; After treatment, the water can catch the standards of reuse and reinjection, and the residue pyrolysis can be harmless;

Flow-back Water Treatment Device | Haimo Technologies
Flow-back Water Treatment Device | Haimo Technologies

Flow-back Water Treatment Device is a self-developed Flow-back Water treated for re-use and re-injection device by our company based on years of experience in oil and gas field Flow-back Water treatment and comprehensive utilization production.The device integrates automatic dosing, multi-reaction, oil-water separation, solid-liquid separation, fine treatment, sludge concentration and …

Treatment of fracturing flowba - en.oilfield-eco.com
Treatment of fracturing flowba - en.oilfield-eco.com

Treatment, of ,fracturing, flowba ,Fracturing flowback fluid, + neutralization adjustment + flocculation sedimentation + dissolved air flotation + fine filtration; After ,treatment,, the water can catch the standards of reuse and reinjection, and the residue pyrolysis can be harmless;

Recovery and treatment of fracturing flowback fluids in ...
Recovery and treatment of fracturing flowback fluids in ...

1/11/2015, · The, fracturing flowback fluid treatment, unit has the following main modules , , : ① coagulation and precipitation, which involves pumping the, flowback fluid, with sand preliminarily settling removed to the, treatment, tank, adding coagulant and ion precipitant in the tank to make the suspended solids and Ca 2+ and Mg 2+ ions coagulate and precipitate, realizing the preliminary separation of …

Study on fracturing flowback fluid treatment technology ...
Study on fracturing flowback fluid treatment technology ...

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Core Laboratories: #82221
Core Laboratories: #82221

Monitoring ,Fracturing Fluid Flowback, and Optimizing ,Fracturing Fluid, Cleanup Using Chemical Frac Tracers. Robert A. Woodroof, Jr., Mahmoud Asadi, Mark N. Warren, ProTechnics Division, Core Laboratories Abstract Proper ,fluid, and proppant placement …

Fracking Wastewater & Saltwater Sourcing Treatment ...
Fracking Wastewater & Saltwater Sourcing Treatment ...

UV and oxidation treatments are then used to effectively neutralize microbes and destroy residual polymers if any are left over from frac flowback. In addition to recycling produced water for use as frac water or reinjection for waterflood EOR, we can apply oilfield water treatment solutions to improve the quality of water destined for disposal.

Research and application progress on treatment technology ...
Research and application progress on treatment technology ...

Download Citation | Research and application progress on ,treatment technology, of ,fracturing flowback fluid, | This paper analyzed the main components of ,fracturing flowback fluid,, …

Treatment of oilfield fracturing flow-back fluid by ClO_2 ...
Treatment of oilfield fracturing flow-back fluid by ClO_2 ...

Oilfield fracturing flow-back fluid, was treated by Cl O2 catalytic oxidation process. Under the conditions of Cl O2 dosage 15m L·L- 1, concentration of 20%, oxidation reaction time 20 min and initial wastewater COD was 1883.7mg·L- 1, the COD removal rate was 78.1%. In order to achieve the ideal ,treatment, effect, a certain amount of the composite metal catalyst was added into the ,flow-back, ...

Fluid Selection for Energized Hydraulic Fractures ...
Fluid Selection for Energized Hydraulic Fractures ...

Energizing the ,fluid, creates a high gas saturation in the invaded zone, thereby facilitating gas ,flowback,. It is estimated that one-third of the fractures pumped in the US are energized by a gaseous phase. Energized-,fluid fracturing, is common in reservoirs that are water sensitive or that have a low pore pressure or low permeability.

Successful Treatment and Reuse of Flowback Guar Frac-Fluid ...
Successful Treatment and Reuse of Flowback Guar Frac-Fluid ...

As boron compounds are extremely difficult to be removed during ,flowback fluid treatment,, proven ,treatment, methods alone cannot make the treated water reusable in making new frac fluids. ,Technology, and processes were developed to manage four key factors that affect the performance of guar frac ,fluid, configured with treated ,flowback fluid,: a) Metal ions, b) Bacteria, c) Breaking agent, d ...

Fault activation by hydraulic fracturing in western Canada ...
Fault activation by hydraulic fracturing in western Canada ...

This event occurred during ,flowback,, a postinjection process during which ,fracturing fluid, is partially recovered in a controlled manner . This timing invites speculation that the earthquake was triggered by ,fluid, withdrawal; however, only ~7% of the injected fluids at well 1 flowed back to the wellhead, an unusually low recovery level compared with typical values of ~50% in other parts of ...

Treatment Of Flowback For Reuse: An Emerging Oilfield ...
Treatment Of Flowback For Reuse: An Emerging Oilfield ...

One of the most rapidly growing water treatment technologies in the oil field is sterilization by the addition of chlorine dioxide gas to freshwater used in fracturing operations. The practice is borrowed from other industries where chlorine dioxide is used to sterilize drinking water.

Research and application progress on treatment technology ...
Research and application progress on treatment technology ...

Download Citation | Research and application progress on treatment ,technology, of ,fracturing flowback fluid, | This paper analyzed the main components of ,fracturing flowback fluid,, introduced the ...

Journal of oil gas and alternative energy sources A ...
Journal of oil gas and alternative energy sources A ...

Fracturing Fluid, Water is a very important element for most of the hydraulic ,fracturing, treatments; it represents 95% of the ,fluid, components. On the other hand, the proppant is other important material. It is about granular particles, such as natural sand or ceramic, which is mixed with the ,fracturing fluid,, and its mission is to keep the

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