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acid fracturing waste water harmless disposal procedures

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 fracturing waste water harmless disposal procedures
The economic and environmental benefi ts of new wastewater ...
The economic and environmental benefi ts of new wastewater ...

environment. Th e plant removed nickel to less than 0.2ppm (parts per million), well below the required 0.5ppm set by regulators. BioteQ built the plant for US$1.8m, and is responsible for all aspects of the on-going plant operations. Xstrata pays BioteQ a water treatment fee, and sells the nickel that is recovered,

CN104891632B - Treatment method of chemical nickel-plating ...
CN104891632B - Treatment method of chemical nickel-plating ...

Therefore, after adjusting to alkalinity, the ,nickel, in the ,wastewater, can be directly removed by precipitating, and high-cost chemicals such as chelate resin and recapture agent are needed. The ,treatment, method has no special requirements on equipment, thus investment cost is low, the cost of the chemicals used is low, and running cost is greatly lowered.

Brush Nickel Plating and Heavy Metal Wastewater Treatment ...
Brush Nickel Plating and Heavy Metal Wastewater Treatment ...

When in the form of sodium hydroxide, or caustic soda, a product results that can have a desired strength ranging from a concentration of 2% to a maximum of 50%. When applied in wastewater treatment, a hydroxide can neutralize the pH of the acidic product and/or separate a metal precipitant.

Recent advances in waste water treatment through ...
Recent advances in waste water treatment through ...

15/3/2021, · The optical properties of TMSs-based photocatalysts and their applications in ,wastewater treatment, are summarized in Table 2. For instance, CdS sub-microspheres with ∼0.5 µm size possessed a low band gap of 2.26 eV, showing potential applications in photodegradation of acetaminophen and levofloxacin Al Balushi et al., 2018 ).

Wastewater Treatment during PCB Fabrication Process | PSPCB
Wastewater Treatment during PCB Fabrication Process | PSPCB

4. Electrolysis. Electrolytic ,treatment, of high-concentration circuit board ,wastewater, can reduce the content of heavy metal ions, but the electrolysis method is effective only for the ,treatment, of high-concentration heavy metal ions, and consumes a large amount of electricity, and can only process a …

The role of nickel in the water sector | Nickel Institute
The role of nickel in the water sector | Nickel Institute

Nickel,-containing stainless steels find applications throughout the ,water, cycle; in ,treatment,, distribution, plumbing, ,wastewater, and desalination. ,Water treatment,. Surface and groundwaters need to be treated to provide safe, quality drinking ,water,. Conventional materials, such as cast iron and CML steel have been superseded by stainless steel.

One-Step Treatment of Phosphite-Laden Wastewater: A Single ...
One-Step Treatment of Phosphite-Laden Wastewater: A Single ...

The quenching experiments with scavengers and electron spin resonance tests verify the pivotal role of •O2– in transformation of phosphite. Tests carried out with ,nickel,-plating ,wastewater, further demonstrate the superiority of this integrated system, as evidenced by efficient removal of phosphite and ,nickel, …

Treating Metal Finishing Wastewater
Treating Metal Finishing Wastewater

and the entire ,treatment, requires several adjustments of pH as well as the addition of ,acid,, coagulant, lime or caustic, and polymeric flocculant. In addition, the process generates large volumes of sludge/waste which requires disposal and is normally hazardous due to the high concentrations of heavy

Treatment of Industrial Wastewater by Organic Wastes
Treatment of Industrial Wastewater by Organic Wastes

was 48.9%, lead removal was 91%, zinc 99.3%, copper 97.0%, cobalt 97.0%, manganese -55.6%, ,nickel,- 99.7% and iron 99.87% were observed. The main aim of this study is to compare and interpret the best organic substrate for ,treatment, of acidic ,wastewater, in bioreactors and to …

Treatment of Wastewater Contaminated with Nickel Using ...
Treatment of Wastewater Contaminated with Nickel Using ...

nickel, from ,wastewater,. The removal characteristics ,of nickel, ions from ,wastewater, using Khulays activated bentonite were investigated under various operating variables like shaking time, solution pH, clay dosage and initial metal concentration. The results showed that the sorption ,of nickel, ions on Saudi

Water quality for agriculture - Home | Food and ...
Water quality for agriculture - Home | Food and ...

The ,acid, can be added to the system on a continuous basis if the problem is severe enough but this is expensive and difficult and the ,acid, is dangerous to handle. It is recommended that ,acid, be added at a rate to maintain pH close to but not lower than pH 6.5. Sulphur burners have also been used to acidify the supply water for drip irrigation.

Wastewater Management | Encyclopedia.com
Wastewater Management | Encyclopedia.com

Wastewater, ManagementWastewater is any water that requires cleaning after it is used. This includes water that has been used for laundry, bathing, dishwashing, toilets, garbage disposals, and industrial purposes. ,Wastewater, also includes rainwater that has accumulated pollutants as it runs into oceans, lakes, and rivers. Pollutants are unwanted chemicals or materials that contaminate air, soil ...

Ethylenediaminetetraacetic acid - Wikipedia
Ethylenediaminetetraacetic acid - Wikipedia

Ethylenediaminetetraacetic ,acid, (EDTA) is an aminopolycarboxylic ,acid, with the formula [CH 2 N(CH 2 CO 2 H) 2] 2.This white, water-soluble solid is widely used to bind to iron and calcium ions. It binds these ions as a hexadentate ("six-toothed") chelating agent.EDTA is produced as several salts, notably disodium EDTA, sodium calcium edetate, and tetrasodium EDTA.

Electrical Products | IPEX
Electrical Products | IPEX

Industrial Process Piping, Double Containment, ,Acid, Waste, Compressed Air & Valves Electrical PVC Conduit & Fittings, Lighting, Duct, HDPE, Specialty Products PE Electrofusion Friatec Fittings for Water, Genesis Electrofusion Processor

Defining Hazardous Waste: Listed Characteristic and Mixed ...
Defining Hazardous Waste: Listed Characteristic and Mixed ...

Wastewater treatment, sludges from electroplating operations except from the following processes: (1) Sulfuric ,acid, anodizing of aluminum; (2) tin plating on carbon steel; (3) zinc plating (segregated basis) on carbon steel; (4) aluminum or zinc-aluminum plating on carbon steel; (5) cleaning/stripping associated with tin, zinc and aluminum plating on carbon steel; and (6) chemical etching and ...

Scenedesmus - Wikipedia
Scenedesmus - Wikipedia

Scenedesmus, is known to have high biomass productivity among green algae, and has been actively researched for its use for bio-diesel production. Its heterotrophic production of biomass and lipid in optimized conditions is reported to have higher efficiency than its autotrophic production.

Comparison on efficiency of various techniques in ...
Comparison on efficiency of various techniques in ...

1/12/2016, · Methods of ,wastewater treatment, were first developed in response to the adverse conditions caused by the discharge of ,wastewater, to the ,environment, and the concern for public health. Further, as cities became larger, limited land was available for ,wastewater treatment, and disposal, principally by irrigation and intermittent filtration.

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