Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 513525609655

oil extraction wastewater reinjection control technology systems pvt.

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.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

oil extraction wastewater reinjection control technology systems pvt.
CN102010082B - Treatment method for recycling waste dilute ...
CN102010082B - Treatment method for recycling waste dilute ...

The, waste dilute sulfuric acid, recycling treatment method has the advantages that: the, dilute, acid water is filtered by the microporous filter to ensure that the, dilute, acid waterafter filtration...

Waste solidification/stabilization of lead–zinc slag by ...
Waste solidification/stabilization of lead–zinc slag by ...

The leaching method in this standard was used to simulate the leaching process of industrial ,waste after, entering into sanitary landfill. All samples were crushed into particles smaller than 9.5 mm, and then stirred for 18 ± 2 h with acetic ,acid, solution at a pH of 2.64 ± 0.05 in sealed containers. The liquid to solid ratio was kept at 20.

How to Control Pollution in Iron and Steel Industry?
How to Control Pollution in Iron and Steel Industry?

(iv) ,Waste, acids, solutions and rinse waters from finishing processes. Approximately 70% of the ,water, used for steel industry is spent for cooling purposes alone and contains a heat equivalent of 75 kwh/tonne of crude steel processed. ,Water, must be cooled and techniques are …

Treatment of Industrial Effluents: Primary Secondary and ...
Treatment of Industrial Effluents: Primary Secondary and ...

Thus a portion of the treated ,waste water, is returned to the treatment process. The return may be made ,after, the secondary tank or to the raw sewage of the primary settling tank or to the dosing tank of the filter. High rate trickling filters thus operate in two or three stages with or …

BLAST FURNACE SLAG SLURRIES MAY HAVE LIMITS FOR OIL …
BLAST FURNACE SLAG SLURRIES MAY HAVE LIMITS FOR OIL …

These additions increased viscosity in all samples tested. Mud thinners must be used to ,reduce, the viscosity before the ,slag, is added. The thinners were used with varying degrees of difficulty.

EFFLORESCENCE INHIBITION OF ALKALI-ACTIVATED STEEL …
EFFLORESCENCE INHIBITION OF ALKALI-ACTIVATED STEEL …

solution ,after dilution, was placed in a 150ml conical flask. Firstly, 3 drops of phenolphthalein was dropwise added into the conical flask as a colour indicator, and the prepared diluted hydrochloric ,acid, (mole concentration C HCl) was added into the phenolphthalein to make it turn from red to colourless. The volume V 1 of the hydrochloric

Smelting and Refining Operations - ILO Encyclopaedia
Smelting and Refining Operations - ILO Encyclopaedia

Metal-containing process ,water, and rainwater are cleaned in ,water,-treatment plants before discharging or recycling. Solid-phase wastes include slags from smelting, blowdown slurries from sulphur dioxide conversion to sulphuric ,acid, and sludges from surface impoundments (e.g., sedimentation ponds).

Treating Concrete Wash Water - AWE International
Treating Concrete Wash Water - AWE International

3/4/2015, · As pH is a log scale, the use of ,dilution, to ,reduce, the pH is neither practical nor cost effective, as every unit reduction in pH requires a 10 fold ,dilution, with pH neutral ,water,. For a typical concrete wash ,water, with a pH of 12 the following ,dilution, volumes would be required: pH 11.7 1:1 pH 11 10:1

Environmental Guidelines for Nickel Smelting and Refining
Environmental Guidelines for Nickel Smelting and Refining

mercury. Large quantities of ,water, are used for ,slag, granulation, but the majority should be recycled. Solid wastes and sludges The smelter contributes a ,slag, that is a dense silicate. Sludges that require disposal will result where neutralized process effluents produce a …

Method for stabilization of lead smelter slag and matte ...
Method for stabilization of lead smelter slag and matte ...

The extract solution is made up from 5.7 ml of glacial acetic ,acid, and 64.3 ml of 1.0 normal sodium hydroxide up to 1000 ml ,dilution, with reagent ,water,. Suitable ,water, leach tests include the Japanese leach test which tumbles 50 grams of composited ,waste, sample in 500 ml of ,water, for 6 hours held at pH 5.8 to 6.3, followed by centrifuge and 0.45 micron filtration prior to analyses.

Treatment of waste water from refuse incineration plants ...
Treatment of waste water from refuse incineration plants ...

1/6/1987, · Certain essential criteria are listed below : (1) The single- or multi-stage flue-gas wet scrubber will continue to be a tried and proven solution for meeting the high-purity requirements for flue-gases from refuse incineration plants, and for the production of low-pollutant recycling products, such as ,slag, . (2) The ,waste water, occurring in the wet process should be pretreated in concentrated form, and can then be discharged to the sewage plant or drain for ,dilution, …

BLAST FURNACE SLAG SLURRIES MAY HAVE LIMITS FOR OIL …
BLAST FURNACE SLAG SLURRIES MAY HAVE LIMITS FOR OIL …

These additions increased viscosity in all samples tested. Mud thinners must be used to ,reduce, the viscosity before the ,slag, is added. The thinners were used with varying degrees of difficulty.

Environmental Guidelines for Nickel Smelting and Refining
Environmental Guidelines for Nickel Smelting and Refining

reduce, pollution at source. Sulfur dioxide emissions can be controlled by: • recovery as sulfuric ,acid,; • recovery as liquid SO2 (absorption of clean dry off gas in ,water, or chemically absorbed by ammonium bisulfite or dimethyl aniline); • recovery as elemental sulfur (using reductants such as hydrocarbons, carbon or hydrogen sulfide).

Assignment Essays - Best Custom Writing Services
Assignment Essays - Best Custom Writing Services

You ,can, also request a free revision, if there are only slight inconsistencies in your order. Your writer will make the necessary amendments free of charge. You ,can, find out more information by visiting our revision policy and money-back guarantee pages, or by contacting our support team via online chat or …

Effluent Treatment Plant Design Operation And Analysis Of ...
Effluent Treatment Plant Design Operation And Analysis Of ...

16/2/2013, · Brine treatment systems are typicallyoptimized to either ,reduce, the volume of the final discharge for more economic disposal (asdisposal costs are often based on volume) or maximize the recovery of fresh ,water, or salts.Brine treatment systems may also be optimized to ,reduce, electricity consumption, chemicalusage, or physical footprint.Brine treatment is commonly encountered when treating cooling tower blow down, producedwater from steam assisted gravity drainage (SAGD), produced ,water, …

Techniques to correct and prevent acid mine drainage: A review
Techniques to correct and prevent acid mine drainage: A review

In brief, mine ,waste, covers can decrease oxygen and ,water, penetration, and thus ,reduce, the oxidation of sulfide minerals and/or the transport of hazardous compounds. Inorganic covers can be combined with sludges to improve sealing properties and soil physical conditions and to promote vegetation cover, which is essential to prevent erosion and to improve the aesthetic appearance of the area [31].

Method for stabilization of lead smelter slag and matte ...
Method for stabilization of lead smelter slag and matte ...

This invention provides a method for stabilization of lead smelter ,slag, and matte subject to ,acid, and ,water, leaching tests or ... Method for stabilization of material or ,waste, to ,reduce, ... extract solution is made up from 5.7 ml of glacial acetic ,acid, and 64.3 ml of 1.0 normal sodium hydroxide up to 1000 ml ,dilution, with reagent ,water,.

Treatment of Industrial Effluents: Primary Secondary and ...
Treatment of Industrial Effluents: Primary Secondary and ...

When lime and ferrous sulphate are added to ,water,, the ferrous hydroxide is formed in the form of flocs. FeSO 4 .7H 2 O + Ca (OH) 2 → Fe (OH) 2 + CaSO 4 + 7H 2 O. 4Fe (OH) 2 + O 2 + 2H 2 O → 4Fe (OH) 3. Ferric hydroxide Fe (OH) 3 is a floe which settles down and removes all the colloidal impurities in ,water,.

(PDF) SUSTAINABLE DEVELOPMENT & ENVIRONMENTAL PROTECTION ...
(PDF) SUSTAINABLE DEVELOPMENT & ENVIRONMENTAL PROTECTION ...

Academia.edu is a platform for academics to share research papers.

Fountain Essays - Just another WordPress site
Fountain Essays - Just another WordPress site

You ,can, also request a free revision, if there are only slight inconsistencies in your order. Your writer will make the necessary amendments free of charge. You ,can, find out more information by visiting our revision policy and money-back guarantee pages, or by contacting our support team via online chat or …

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City