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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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Critical review of reductant-enhanced peroxide activation ...
Critical review of reductant-enhanced peroxide activation ...

In a typical peroxide activation process, there are four main components, i.e., Fe 3+, peroxide, reductant and contaminant.The key to accelerating contaminant degradation is the reductant-enhanced Fe 3+ /Fe 2+ cycle. With the generation of Fe 2+, peroxide could be quickly activated and produce reactive species like OH and SO 4 − to degrade contaminants. In a similar way, Cu 2+ and V 5+ could ...

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(PDF) USE OF WASTEWATER FROM FISH AND PIG FARMING AS ...
(PDF) USE OF WASTEWATER FROM FISH AND PIG FARMING AS ...

The application of ,wastewater from fish farming, as a unique form of irrigation contributes positively to the soil microbiological attributes MBC, qCO 2 and SBR; the use of probiotics do not ...

Original Research Combined Wastewater Treatment from ...
Original Research Combined Wastewater Treatment from ...

into the ,environment,. The methods of industrial ,wastewater treatment, include precipitation techniques with the use of calcium compounds [7, 8], coagulation methods with the use of aluminum and iron compounds [9, 10], ,treatment, with Pol. J. Environ. Stud. Vol. 30, No. 4 (2021), 1-14 Original Research Combined ,Wastewater Treatment, from Manganese

US8486331B2 - Sterilization effects of acidic ozone water ...
US8486331B2 - Sterilization effects of acidic ozone water ...

This invention is directed to a sterilization method of contaminated areas with biological agents by making use of the ,acidic, ozone water that very effectively kills spores of Bacillus atrophaeus , thereby demonstrating the capability of sterilizing a large surface-area in a very short time and reinstating the contaminated environment as free from toxic biological agents.

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 ...

Electrocoagulative and Biological Treatment of Laundry ...
Electrocoagulative and Biological Treatment of Laundry ...

Treatment, of ,wastewater, by electrocoagulation is known to effectively remove heavy metals, minerals and dyes from ,wastewater, streams, hence making it a good ,treatment, method for laundry ,wastewater,. A high removal efficiency of organic compounds is obtained due to the various mechanisms that occur in the electrocoagulation cell.

Strongly Acidic Cation Resins - Wastewater Treatment
Strongly Acidic Cation Resins - Wastewater Treatment

Strongly ,acidic, cation resins derive their exchange activity from sulfonic functional groups (HSO). The major cations in water are calcium, magnesium, sodium, and potassium and they are exchanged for hydrogen in the strong acid cation exchanger when operated in the hydrogen cycle.

Quantifying Source and Dynamics of Acidic Pollution in a ...
Quantifying Source and Dynamics of Acidic Pollution in a ...

The in-depth knowledge on management and reducing annual ,acidic, pollution is important for improving the sustainable livelihood of people living in areas with acid sulphate soils (ASS). This study involved a long-term (2001–2006), large-scale canal water quality monitoring network (87 locations) and a field experiment at nine sites to quantify the dynamic variability of ,acidic, pollution and ...

(PDF) INTEGRATED PIG-FISH FARMING - ResearchGate
(PDF) INTEGRATED PIG-FISH FARMING - ResearchGate

Fish farming, without a source of adequate water supply is a costly venture and may become a waste of time. Ponds should be constructed near a water source (e.g. river or stream) or a source of

Seven Basic Principles Of Industrial Wastewater Treatment ...
Seven Basic Principles Of Industrial Wastewater Treatment ...

As industrial ,wastewater, has great impact on the ,environment, and is difficult to treat, some basic principles should be followed in production and ,treatment,. These are summarized as follows: 1. The non-toxic production process should be selected as the first priority to replace or reform the backward production process, and the production of toxic and harmful ,wastewater, should be eliminated or ...

Wastewater Treatment for the Industrial Metal Finishing ...
Wastewater Treatment for the Industrial Metal Finishing ...

Wastewater with a high pH is generally neutralized with sulfuric acid (H 2 SO 4), hydrochloric acid (HCl), or carbon dioxide (CO 2). The most common chemicals used are H 2 SO 4 and NaOH. Neutralization can be accomplished by batch treatment or continuous flow processes. Batch treatment is …

Health Benefits of Lemon Water (Why You Should Drink it in ...
Health Benefits of Lemon Water (Why You Should Drink it in ...

Balances pH Levels: There is a theory that certain foods can leave an acid ,or alkaline, ash in the body. This is true, but this only affects the pH of the urine and not the pH of the blood. Chris Kresser explains the acid/,alkaline, myth in-depth here.

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.

Dominance of yeast in activated sludge under acidic pH and ...
Dominance of yeast in activated sludge under acidic pH and ...

Flow cytometry-,fluorescent, in ,situ hybridization, (FC-,FISH,) was used to investigate the effect of controlled pH and/or varied organic loading on the content of yeast and bacterial cells in an activated sludge system (AS) individually operating in continuous and batch mode for treatment of high-strength industrial ,wastewater,. Specifically, we attempted to develop a yeast-predominant activated...

Revisiting the Selection of Stainless Steel in Water and ...
Revisiting the Selection of Stainless Steel in Water and ...

Nickel, Rich Grades. Duplex and austenitic are the two grades most commonly used in water ,treatment, applications.3 The difference between them is the crystalline structure of the metal (face or block centered—Figure 1). ,Nickel, is an austenitic stabilizer.

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