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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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14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

The neutralization method adjusts the pH value of the wastewater; the coagulation sedimentation or flotation method can remove the suspended solids in the wastewater; the chemical precipitation method can decolorize; the biological treatment method can remove the BOD, and is effective for the kraft paper wastewater; the wet oxidation treatment of the sulfite pulp wastewater success.

Implementation of Effluent Treatment Plants for Wastewater ...
Implementation of Effluent Treatment Plants for Wastewater ...

Methods, of effluent treatment may be classified into three main categories: physical, chemical and ,biological,, as listed in Table [1]. Primary stages of treatment are mainly physical and include screening, sedimentation, flotation and flocculation to remove fibrous …

JP2015080773A - Method of neutralizing alkaline wastewater ...
JP2015080773A - Method of neutralizing alkaline wastewater ...

PROBLEM TO BE SOLVED: To provide a method of ,neutralizing, alkaline ,wastewater, which avoids clogging of an air filter, while improving contact efficiency with carbon dioxide by fine bubbles, in a primary neutralization treatment and executes a secondary neutralization treatment using chemicals high in safety, if necessary.SOLUTION: A method of ,neutralizing, alkaline ,wastewater, includes a step of carrying out a primary ,neutralizing, …

Soil Testing | UMass Center for Agriculture Food and the ...
Soil Testing | UMass Center for Agriculture Food and the ...

Limestone (rate, type, ,neutralizing, power, particle size), irrigation water pH and alkalinity, ,acid,/basic nature of fertilizer, and effects of mix components (container plants) are major influences on pH. Optimum pH values have been established for soilless media and media with 20% or more field ,soil,. Optimum pH values are shown in Table 3.

Organic matter - Wikipedia
Organic matter - Wikipedia

Organic matter,, organic material, or natural ,organic matter, refers to the large source of carbon-based compounds found within natural and engineered, terrestrial and aquatic environments. It is matter composed of organic compounds that have come from the remains of organisms such as plants and animals and their waste products in the environment.

(PDF) Implementation of Biological Effluent Treatment ...
(PDF) Implementation of Biological Effluent Treatment ...

For the biological process of influent. Neutralizing pH particularly important neutral or slightly alkaline pH is required. if biological treatment is being used, as the microorganisms used require a pH in the range of 6- • To neutralize the pH of wastewater before 8 and will be killed by highly acidic or alkali biological treatment the pH will be measured in this wastewater. Various chemicals are used for pH tank, and as …

Assessment of landfill wastewater pollutants and ...
Assessment of landfill wastewater pollutants and ...

Various ,biological,, physical, and chemical ,methods, are used for the treatment of landfill ,wastewater, and leachate. ,Biological, cotreatment of leachate and domestic ,wastewater, is widely used because of its various techno-logical and economic advantages (in Estonia Tallinn and Pärnu municipal wastewaters as well as the landfill

Assessment of landfill wastewater pollutants and ...
Assessment of landfill wastewater pollutants and ...

Various biological, physical, and chemical methods are used for the treatment of landfill wastewater and leachate. Biological cotreatment of leachate and domestic wastewater is widely used because of its various techno-logical and economic advantages (in Estonia Tallinn and Pärnu municipal wastewaters as well as the landfill

DETOXIFICATION OF CYANIDE IN GOLD PROCESSING WASTEWATER …
DETOXIFICATION OF CYANIDE IN GOLD PROCESSING WASTEWATER …

for their removal from wastewater. Several techniques are used for treating cyanide bearing effluents from gold processing. The methods to degrade cyanide solutions can be divided into three major groups: natural, chemical and biological degradation. The chemical treatments include oxidation, ion exchange and adsorption by activated

Nickel carbonate | NiCO3 - PubChem
Nickel carbonate | NiCO3 - PubChem

There, is limited evidence in experimental animals for the carcinogenicity of nickel alloys, nickelocene, nickel carbonyl, nickel salts, nickel arsenides, nickel antimonide, nickel selenides and nickel telluride. ,There, is inadequate evidence in experimental animals for the carcinogenicity of nickel trioxide, amorphous nickel sulfide and nickel ...

Bacteriophage biocontrol in wastewater treatment ...
Bacteriophage biocontrol in wastewater treatment ...

3/3/2016, · It mainly consists of several biological reactors (aerated tanks) and solid–liquid separators (secondary clarifiers or settlers) and it is capable of performing four critical wastewater treatment functions, namely: the degradation or oxidation of carbonaceous wastes; the degradation or oxidation of nitrogenous wastes; the removal of fine solids; and the removal of heavy metals (Rustum 2009).

(PDF) Implementation of Biological Effluent Treatment ...
(PDF) Implementation of Biological Effluent Treatment ...

For the ,biological, process of influent. ,Neutralizing, pH particularly important neutral or slightly alkaline pH is required. if ,biological, treatment is being used, as the microorganisms used require a pH in the range of 6- • To neutralize the pH of ,wastewater, before 8 and will be killed by highly acidic or alkali ,biological, treatment the pH will be measured in this ,wastewater,. Various chemicals are used for pH tank, and as …

Fifteen industrial wastewater treatment processes | LCDRI CN
Fifteen industrial wastewater treatment processes | LCDRI CN

Biological, treatment ,methods, include activated sludge, ,biological, turntables, ,biological, drums, and ,biological, contact oxidation ,methods,. In order to improve the quality of the effluent water, to meet emission standards or recycling requirements, it is often necessary to use ,several methods, for joint treatment. 4. Paper industry ,wastewater

Transfection Guide | Overview of Transfection Methods ...
Transfection Guide | Overview of Transfection Methods ...

Transfection, is the process of introducing nucleic acids into eukaryotic cells by nonviral ,methods,. Using various chemical or physical ,methods,, this gene transfer technology enables the study of gene function and protein expression in a cellular environment.

environmental - Cimprogetti
environmental - Cimprogetti

There, are two main ,methods, for the removal of acidic gases: wet scrubbing and dry ... Lime is also used to combat "red water" by ,neutralizing, the ,acid, water, ... The mechanism of lime treatment of ,biological, wastes is based on ,several, chemical reactions:

Hydrogen peroxide | H2O2 - PubChem
Hydrogen peroxide | H2O2 - PubChem

Hydrogen Peroxide, is a peroxide and oxidizing agent with disinfectant, antiviral and anti-bacterial activities. Upon rinsing and gargling or topical application, ,hydrogen peroxide, exerts its oxidizing activity and produces free radicals which leads to oxidative damage to proteins and membrane lipids.

Phosphorus Removal and Recovery from Digestate after ...
Phosphorus Removal and Recovery from Digestate after ...

4/6/2014, · Multiple commercial processes have been established for the combined biological nitrogen and phosphate removal in wastewater treatment plants, such as A 2 O, modified-UCT, five-stage Bardenpho, and DEPHANOX with either pre- or post-denitrification .

Implementation of Effluent Treatment Plants for Wastewater ...
Implementation of Effluent Treatment Plants for Wastewater ...

Methods, of effluent treatment may be classified into three main categories: physical, chemical and ,biological,, as listed in Table [1]. Primary stages of treatment are mainly physical and include screening, sedimentation, flotation and flocculation to remove fibrous debris, undissolved chemicals and …

Passive Treatment Methods for Acid Water in Pennsylvania
Passive Treatment Methods for Acid Water in Pennsylvania

Category I ,methods, neutralize acidity by raising pH and alkalinity. Category I ,methods, differ mainly in the delivery of ,acid neutralizing, compounds. None of the ,methods, are 100 percent effective, and varying site-specific characteristics can alter success rates even within the same method.

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