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Is there any company dealing with fracturing flowback fluid in Chengdu

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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Is there any company dealing with fracturing flowback fluid in Chengdu
Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Industrial wastewater treatment, describes the processes used for treating ,wastewater, that is produced by industries as an undesirable by-product. After ,treatment,, the treated industrial ,wastewater, (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.. Most industries produce some ,wastewater,.Recent trends have been to minimize such production or ...

Industry Wastewater Treatment - HUMINTECH
Industry Wastewater Treatment - HUMINTECH

As stated above, it is also possible to use humic acids for removing toxic metals from water. The residual concentration of toxic metals in waste water after such a treatment is lower than, 0.03 mg/L., The highest effect can be observed in the removal of lead (Pb), mercury (Hg), cadmium (Cd), copper (Cu), zinc (Zn), nickel (Ni) and chromium (Cr).

TREATMENT AND RECOVERY OF NICKEL RICH PRECIPITATE …
TREATMENT AND RECOVERY OF NICKEL RICH PRECIPITATE …

5/6/2008, · ,cals,, must be treated prior to the release of the wastewater into the environment. The treatment of these effluents is typically performed by the adjustment of the pH of the wastewater from 8 to 11 to precipitate the metallic cations as the corresponding hydroxide, which is then filtered to yield toxic heavy metal sludge. The pre-treated sludge is

Hydrochloric acid recovery and liquid waste treatment from ...
Hydrochloric acid recovery and liquid waste treatment from ...

Recovery of valuable material: ,hydrochloric acid,, zinc chloride and ,ferrous sulfate, crystals. The ,hydrochloric acid, obtained – with a concentration of 18-20%, due to the azeotrope that is formed – is consumed in the surface ,treatment, process, which means significantly less reagent is needed to be purchased, leading to savings.

(PDF) Methodologies for removal of heavy metal ions from ...
(PDF) Methodologies for removal of heavy metal ions from ...

30/10/2017, · strong acidic cation exchange, resin, in a fixed bed for nickel r emoval from wastewater. It has several advantages such as it can treat large volume of eff luents at one time and it is

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,

Removal of Nickel (II) and Cobalt (II) from Wastewater ...
Removal of Nickel (II) and Cobalt (II) from Wastewater ...

Removal ,of Nickel, (II) and Cobalt (II) from ,Wastewater, Using Vinegar-Treated Eggshell Waste Biomass January 2017 Journal of Water Resource and Protection 09(08):931-944

Removal of nickel from electroplating wastewater by ion ...
Removal of nickel from electroplating wastewater by ion ...

There are many resins that can be used to treat nickel, containing, wastewater, such as weak acid cation exchange resin (chelating resin), and strong acid cation resin can also absorb nickel ion, but this resin is easily affected by the salt and calcium and magnesium in nickel containing wastewater. The weak acid cation resin (chelating resin) with high exchange capacity, fast exchange speed, easy regeneration, …

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 ...

Ferric chloride or sulphate vs. ferrous chloride/sulphate
Ferric chloride or sulphate vs. ferrous chloride/sulphate

2/3/2009, · Whether ,ferrous, or ferric, and whether chloride or sulphate, the basic purpose of these iron chemicals in industrial ,wastewater treatment, is as a co-precipitant. In many cases iron is unregulated in the effluent and can be used to drive some copper (or other heavy metal) out …

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

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.

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

Wastewater, shares many of the needs of water treatment and distribution, as well as other specific, and often, critical issues. These arise from extreme corrosivity that is driven by hydrogen sulphide (H2S) production and its conversion to products like sulphuric ,acid,. Traditional pipes struggle to handle the demands of these conditions.

Electrodialysis Treatment of Nickel Wastewater | SpringerLink
Electrodialysis Treatment of Nickel Wastewater | SpringerLink

31/8/2013, · The galvanic processes are one of the main activities contributing to metal discharges into the ,environment,. A large volume of ,wastewater, is generated that contains a high load of salts and metals and it must be treated to recover the chemicals and water and save resources. ,Nickel, is a toxic metal and causes various health problems.

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 ).

COAGULATION TREATMENT OF WASTEWATER IN PETROLEUM …
COAGULATION TREATMENT OF WASTEWATER IN PETROLEUM …

chemical ,treatment, allows reducing dissolved, suspended, colloidal and non settable matter as well as coloring from dyes. Coagulation or flocculation process was conducted for the ,treatment, of industrial ,wastewater, to achieve maximum removal of COD, TP and TSS[3]. Aluminum ,sulfate, (alum), ,ferrous sulfate,, ferric chloride and ferric

Hexavalent Chromium Removal by Reduction with Ferrous ...
Hexavalent Chromium Removal by Reduction with Ferrous ...

A flow-through pilot-scale system was tested for removal of Cr(VI) from contaminated groundwater in Glendale, California. The process consisted of the reduction of Cr(VI) to Cr(III) using ,ferrous sulfate, followed by coagulation and filtration. Results indicated that the technology could reduce influent Cr(VI) concentrations of 100 μg L-1 to below detectable levels and also remove total Cr (Cr ...

The Ultimate Guide to Wastewater Treatment
The Ultimate Guide to Wastewater Treatment

Wastewater, treatment is the process of removing contaminants from ,wastewater,, either from municipal sewage or from industrial applications. These processes are designed to improve the quality of water and meet the standards set for effluent quality.

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 ...

Hexavalent Chromium Wastewater Treatment - Industrial Wastes
Hexavalent Chromium Wastewater Treatment - Industrial Wastes

6/1/2021, · Hexavalent chromium is reduced to trivalent chromium at ,acid, pH using chemical reduction agents. Sodium bisulfide, sodium metabisulfide, and ,ferrous sulfate, are among the common reduction agents used for small plants. In larger plants, gaseous sulfur dioxide is more common and economical. Sulfur dioxide is hydrolyzed in water to yield sulfite.

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