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screw compressor

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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screw compressor
Surface Treatment/Pickling
Surface Treatment/Pickling

Like ,acid, pickling, EPS removes mill scale from the surface of ,hot, rolled steel, including stainless. Unlike ,acid, pickling, EPS pickling is safe and completely harmless to the environment. Instead of caustic acids, EPS uses steel grit mixed with ordinary water and continuously recycles and …

The characteristics electroplating sewage showed by ...
The characteristics electroplating sewage showed by ...

The process of electroplating ,wastewater, treatment filter: by the high zinc concentration ,wastewater, of cold ,galvanizing, unit discharge into the neutralization reaction tank, with industrial slaked lime as neutralizer, ,wastewater, pH from 1 ~ 2 to 8.5 ~ 9, and then by the membrane liquid filter for solid-liquid separation, filtering the filtrate discharge, sludge send existing ,acid wastewater, ...

Wastewater Treatment Plant Coating Services
Wastewater Treatment Plant Coating Services

Welcome to the most trusted and comprehensive Coating Services: ,Wastewater, Treatment Plant directory on the Internet. A broad range of Coating Services: ,Wastewater, Treatment Plant resources are compiled in this industrial portal which provides information on manufacturers, distributors and service companies in the Coating Services: ,Wastewater, Treatment Plant industry.

HJ 985-2018 PDF. - Chinese Standard
HJ 985-2018 PDF. - Chinese Standard

According to the “separation collection” of chromium-containing ,wastewater,, cyanide-containing ,wastewater,, ,acid,-base ,wastewater,, etc., the ,wastewater, discharge is recorded separately; The centralized sewage treatment plant and the electroplating industrial sewage disposal unit that treats the ,wastewater, by itself shall be recorded separately according to the principle of “separation ...

Preparation and cleaning of waste water and liquids from ...
Preparation and cleaning of waste water and liquids from ...

In this area for ,wastewater, treatment used physico-chemical processes. These processes are designed individually according to customer needs. Processes are suitable for removing metals, oils and other pollutants. Part of this technology is chemical treatment, precipitation, sedimentation and flotation, and possibly filtration.

Hydrofluoric acid | HF - PubChem
Hydrofluoric acid | HF - PubChem

Hydrofluoric acid, is an irritant to the mucosa of the upper and lower portions of the respiratory tract. As in ocular tissues, concentrations as low as 5 mg/L (5 ppm) may produce irritation to the nasal mucosa. When ,hydrofluoric acid, is present in concentrations greater than 48%, the solution fumes, adding to the volatile airborne fraction.

Why do zinc and sulfuric acid make a chemical reaction ...
Why do zinc and sulfuric acid make a chemical reaction ...

16/2/2010, · Sulfuric ,acid, (alternative spelling sulphuric ,acid,) is a strong mineral ,acid, with the molecular formula H2SO4. Its historical name is vitriol. The salts of sulfuric ,acid, are called sulfates. Sulfuric ,acid, is soluble in water at all concentrations.Sulfuric ,acid, has many applications, and is a central substance in the chemical industry.

HJ 985-2018 PDF. - Chinese Standard
HJ 985-2018 PDF. - Chinese Standard

According to the “separation collection” of chromium-containing ,wastewater,, cyanide-containing ,wastewater,, ,acid,-base ,wastewater,, etc., the ,wastewater, discharge is recorded separately; The centralized sewage treatment plant and the electroplating industrial sewage disposal unit that treats the ,wastewater, by itself shall be recorded separately according to the principle of “separation ...

Hydrofluoric acid | HF - PubChem
Hydrofluoric acid | HF - PubChem

Hydrofluoric acid, is an irritant to the mucosa of the upper and lower portions of the respiratory tract. As in ocular tissues, concentrations as low as 5 mg/L (5 ppm) may produce irritation to the nasal mucosa. When ,hydrofluoric acid, is present in concentrations greater than 48%, the solution fumes, adding to the volatile airborne fraction.

Wastewater Treatment Plant Coating Services
Wastewater Treatment Plant Coating Services

Welcome to the most trusted and comprehensive Coating Services: ,Wastewater, Treatment Plant directory on the Internet. A broad range of Coating Services: ,Wastewater, Treatment Plant resources are compiled in this industrial portal which provides information on manufacturers, distributors and service companies in the Coating Services: ,Wastewater, Treatment Plant industry.

Trifun Blagojevic - B.Sc.Eng. in Chemistry - Steel Wire ...
Trifun Blagojevic - B.Sc.Eng. in Chemistry - Steel Wire ...

- Production Manager: Pickling, wire drawing, heat treatment, ,wastewater, treatment, non-metallic (phosphate, borax, lime, PVC) as well as metallic (,hot,-dip ,galvanizing,, ,hot,-dip tinning) coatings, Production and processing of high carbon steel wire in quality like spring wire, rope wire, oil tempered cold-rolled steel strip and mattress steel wire, as well as low-carbon steel wire for general purpose. …

Basic Concepts of Corrosion of Iron and Steel – IspatGuru
Basic Concepts of Corrosion of Iron and Steel – IspatGuru

The pH number is an ,index, of the acidity or alkalinity of a medium. Numbers from 0 to 7 indicate acidity of a solution (in which corrosion is promoted), and numbers from 7 to 14 indicate solution alkalinity (in which corrosion is retarded).

Characterization and Evaluation of Wastewater Sources ...
Characterization and Evaluation of Wastewater Sources ...

Company officials indicate the facility will treat a normal flow of 60,000 m3/day (11,000 gpm) composed of pickling rinse waters, oily •,wastewater, effluent, basement sump drainage and miscellaneous waste streams, and caustic and ,acid, rinse waters from normalizing, terne and ,galvanizing, operations.

Basic Concepts of Corrosion of Iron and Steel – IspatGuru
Basic Concepts of Corrosion of Iron and Steel – IspatGuru

The pH number is an ,index, of the acidity or alkalinity of a medium. Numbers from 0 to 7 indicate acidity of a solution (in which corrosion is promoted), and numbers from 7 to 14 indicate solution alkalinity (in which corrosion is retarded).

Characterization and Evaluation of Wastewater Sources ...
Characterization and Evaluation of Wastewater Sources ...

Company officials indicate the facility will treat a normal flow of 60,000 m3/day (11,000 gpm) composed of pickling rinse waters, oily •,wastewater, effluent, basement sump drainage and miscellaneous waste streams, and caustic and ,acid, rinse waters from normalizing, terne and ,galvanizing, operations.

Synthesis modification by epichlorohydrin and ...
Synthesis modification by epichlorohydrin and ...

polyacrylamides, cationic, polyacrylic ,acid, and polyvinyl alcohol [11] and chitosan[12] etc. The objective of this study is to treat industrial ,wastewater, in order to reduce pollutants and levels of some heavy metals, namely zinc and iron. At first, we optimized the dose of flocculants used, and

Preparation and cleaning of waste water and liquids from ...
Preparation and cleaning of waste water and liquids from ...

In this area for ,wastewater, treatment used physico-chemical processes. These processes are designed individually according to customer needs. Processes are suitable for removing metals, oils and other pollutants. Part of this technology is chemical treatment, precipitation, sedimentation and flotation, and possibly filtration.

Wastewater Treatment Plant Coating Services
Wastewater Treatment Plant Coating Services

Welcome to the most trusted and comprehensive Coating Services: ,Wastewater, Treatment Plant directory on the Internet. A broad range of Coating Services: ,Wastewater, Treatment Plant resources are compiled in this industrial portal which provides information on manufacturers, distributors and service companies in the Coating Services: ,Wastewater, Treatment Plant industry.

The characteristics electroplating sewage showed by ...
The characteristics electroplating sewage showed by ...

The process of electroplating ,wastewater, treatment filter: by the high zinc concentration ,wastewater, of cold ,galvanizing, unit discharge into the neutralization reaction tank, with industrial slaked lime as neutralizer, ,wastewater, pH from 1 ~ 2 to 8.5 ~ 9, and then by the membrane liquid filter for solid-liquid separation, filtering the filtrate discharge, sludge send existing ,acid wastewater, ...

Surface Treatment/Pickling
Surface Treatment/Pickling

Like ,acid, pickling, EPS removes mill scale from the surface of ,hot, rolled steel, including stainless. Unlike ,acid, pickling, EPS pickling is safe and completely harmless to the environment. Instead of caustic acids, EPS uses steel grit mixed with ordinary water and continuously recycles and …

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Company address

Road West, North Branch, Jingkai Road, Puyang City