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Compound microbial agent for fracturing flowback fluid

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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Compound microbial agent for fracturing flowback fluid
Electro-Coagulation/Electro-Precipitation - E-FLOC ...
Electro-Coagulation/Electro-Precipitation - E-FLOC ...

All the same components of a chemical system are used, but the technology replaces the use of these chemicals for treating ,wastewater,. Since this technology is the smallest footprint per flow on the market, not much space is needed.

COD Method 410: Chemical Oxygen Demand (Titrimetric Mid ...
COD Method 410: Chemical Oxygen Demand (Titrimetric Mid ...

9.1 Eighty-six analysts in fifty-eight laboratories analyzed a distilled water solution containing oxidizable organic material equivalent to 270 mg/L COD. The standard deviation was 17.76 mg/L COD with an accuracy as percent relative error (bias) of -4.7%. (EPA Method Research Study 3).

what are good flocculation materials used in wwtp ...
what are good flocculation materials used in wwtp ...

By using industrial ,wastewater, as carbon source, ,wastewater, treatment plants can combine biological ,wastewater, treatment with the production of natural ,flocculants,, saving (energy) costs. EPS, being anionic polyelectrolytes have somewhat similar flocculation mechanism with synthetic anionic ,flocculants, such as polyacrylamide.

(PDF) Behavior of lipids in biological wastewater ...
(PDF) Behavior of lipids in biological wastewater ...

1/9/2006, · Lipids (characterized as oils, greases, fats and long-chain fatty acids) are important organic components of ,wastewater,. Their amount, for example, in municipal ,wastewater, is …

The role of flocculant in wastewater treatment - Library ...
The role of flocculant in wastewater treatment - Library ...

Adding ,flocculants, in ,wastewater, treatment can accelerate the aggregation and sedimentation of solid particles in ,wastewater,, and can also remove some dissolved organic matter. This method has the advantages of low investment, simple operation, flexibility, etc., and is particularly suitable for treating ,wastewater, with small water volume and large suspended impurities.

Determination of Chemical Oxygen Demand of Wastewater ...
Determination of Chemical Oxygen Demand of Wastewater ...

Chemical Oxygen Demand (,COD,) Chemical oxygen demand (,COD) is used to determine the quantity of pollution in water after wastewater treatment. The higher value of chemical oxygen demand indicates the higher organic pollution in the water sample. Only chemically digest able matter can …

Evaluation of Anionic and Cationic Pulp-Based Flocculants ...
Evaluation of Anionic and Cationic Pulp-Based Flocculants ...

In ,wastewater, treatment, flocculation is a widely used solid/liquid separation technique, which typically employs a charged polymer, a polyelectrolyte (PEL). Polyelectrolytes features, such as charge type, charge density and molecular weight, are essential parameters affecting the mechanism of flocculation and subsequent floc sedimentation. The effectiveness of the process is also influenced ...

Flocculants and Coagulants - water tech - enviro tech ...
Flocculants and Coagulants - water tech - enviro tech ...

Solid-liquid separation in the treatment of municipal and industrial ,wastewater, and sludge. Our highly effective synthetic ,flocculants, are water-soluble polymers with a high molecular weight. A wide range of molecular weights and charges ensures flocculation even with different media. Our products are available in solid, liquid and dispersion form.

-- Wastewater Treatment with biodegradable flocculants ...
-- Wastewater Treatment with biodegradable flocculants ...

($0.01/Litre) - Can be used together with other ,flocculants,, such as PAC. Natural mineral = Calcium sulfate Calcium carbonate Sodium carbonate Aluminum sulfate. Cross-linked PGA = Polyglutamic ,Acid, . Necessary dosage is really depending on the ,wastewater, condition.

Determination of chemical oxygen demand of water | Hard ...
Determination of chemical oxygen demand of water | Hard ...

Chemical oxygen demand, calculation. COD in mg/L= 8000 (A-B) N / V. Where, A is the volume of FAS used in the blank sample, in milliliters. B is the volume of FAS in the original sample, in milliliters. N is the normality of FAS solution. V = milliliters of sample used for the test. Relation between BOD and COD

Water Treatment Coagulation | Water Treatment | Waste ...
Water Treatment Coagulation | Water Treatment | Waste ...

Water Treatment, Coagulants Coagulant ,water treatment, chemicals come in two main types – primary ,water treatment, coagulants and coagulant aids. Primary coagulants neutralize the electrical charges of particles in the water which causes the particles to clump together. Chemically, coagulant ,water treatment, chemicals are either metallic salts (such as alum) or polymers.

flocculant ar 8403 how to use | Industrial water treatment ...
flocculant ar 8403 how to use | Industrial water treatment ...

Clay Flocculant for Industrial ,Wastewater, Treatment | ALAR. Clay Flocculant ALAR provides multiple blends of bentonite clay ,flocculants, for industrial ,wastewater, treatment. ALAR One-Step™ brands contain a base ingredient of calcium bentonite clay mixed with various concentrations of polymers, ,flocculants,, coagulants and pH adjustment chemicals.

Reducing COD in final effluent | NTS chemicals for industry
Reducing COD in final effluent | NTS chemicals for industry

The COD reduction is made by oxidation in an ,acid, medium of a large part of the oxidizable substances dissolved in the water to be treated. After the treatment, the reduction of COD can be measured by analysis of the acidified medium is more favorable to continued …

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 ...

Guide to Chemical Oxygen Demand (COD) Testing
Guide to Chemical Oxygen Demand (COD) Testing

Chemical oxygen demand, (COD) is a critical waste treatment measurement in everything from municipal systems to food manufacturing waste streams. Performing COD testing the right way is important in determining wastewater treatment effectiveness and can …

Difference between Chemical Oxygen Demand (COD) and ...
Difference between Chemical Oxygen Demand (COD) and ...

7/7/2019, · To determine COD, the sample water is taken in a closed container and incubated with a strong oxidant like potassium dichromate with sulphuric acid under standard conditions of temperature and time. COD is the oxygen demand that is consumed by both inorganic and organic matter present in the, wastewater, sample.

Chemical Oxygen Demand - an overview | ScienceDirect Topics
Chemical Oxygen Demand - an overview | ScienceDirect Topics

COD, was developed as a rapid means of measuring BOD and also as a means of measuring industrial or trade, wastewaters., The is the unit generally used in the definition of Mogden charges, as trade, wastewaters, may be toxic to treatment bacteria when undiluted and in any event frequently lack the bacteria necessary for the measurement of BOD.

The basic processes of waste water treatment - AERZEN
The basic processes of waste water treatment - AERZEN

The primary ,wastewater, treatment tank is the next stage of ,wastewater, ... which is achieved by adding an ,acid,, e.g. HCL, or a ... of precipitation and flocculation. This creates, for example, the method of flocculation filtration. Precipitants and ,flocculants, are added to the ,wastewater,, which causes flocculation of the substances that will ...

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