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deep well drilling waste water harmless disposal technology ltd limited

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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deep well drilling waste water harmless disposal technology ltd limited
How to treat - China Ferrous sulfate|Manganese sulfate ...
How to treat - China Ferrous sulfate|Manganese sulfate ...

The zinc ,sulfate, industrial grade produced by our ,ferrous sulfate, factory is widely used in the treatment of ,waste water, and residues. Among the customers who buy ,ferrous sulfate, industrial grade from Rech Chemical Co. Ltd, there are some buyers who use ,ferrous sulfate, as reducing agent to treat the ,wastewater, with heavy metal chromium.

What is Ferric Sulphate and How is It Prepared? (with ...
What is Ferric Sulphate and How is It Prepared? (with ...

30/1/2021, · Iron is used to make ferric sulphate. Ferric sulphate is an inorganic chemical compound that is used for increasing the rate of sedimentation in wastewater cleaning processes. With a pH of less than two, this compound is highly corrosive and should not be touched with bare skin.

Application of Organic Coagulants in Water and Wastewater ...
Application of Organic Coagulants in Water and Wastewater ...

13/6/2018, · These include based aluminum metals (aluminum chloride, aluminum ,sulfate,, sodium aluminate) and iron based metals (,ferrous sulfate,, ferric ,sulfate,, ferric chloride) [13, 17, 18]. The addition of these coagulants to ,wastewater, undergo a series of reactions with the hydroxyl ions (OH − ) producing monomeric and polynuclear species.

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 ...

DYE WASTEWATER TREATMENT: REMOVAL OF REACTIVE DYES …
DYE WASTEWATER TREATMENT: REMOVAL OF REACTIVE DYES …

Coagulants poly-DADMAC, polyamine and PAC used in this study are of commercial grade. ,Ferrous sulfate,, Alum and reactive dye are of A.R. grade. The Reactive Dye used is of commercial grade. Laboratory tests were conducted on synthetic reactive dye wastes which were prepared by ,adding, 100 mg of the dyestuff in 500 ml of water.

Chemicals in Water & Wastewater Treatment
Chemicals in Water & Wastewater Treatment

Chemicals in Water & Wastewater Treatment, Chemical Used for Precipitation 1. Aluminum ,sulfate, – Al 2 (SO 4) 3.18 H 2 O 2. Aluminum chloride – AlCl 3 3. Calcium hydroxide – Ca (OH) 2 4. Lime 5. Ferric chloride – FeCl 3 6. Ferric ,sulfate, – Fe 2 (SO 4) 3 7. Copperas – FeSO 4.7H 2 O Chemical Used for Neutralization 1. Calcium carbonate ...

Ferric sulfate | Fe2(SO4)3 - PubChem
Ferric sulfate | Fe2(SO4)3 - PubChem

Method 4500-,Sulfate, ion F. Automated Methylthymol Blue Method for the determination of ,sulfate, ions in water and ,wastewater,. Barium ,sulfate, is formed by the reaction of the ,sulfate, ion with barium chloride at a low pH. At high pH, excess barium reacts with methylthymol blue to produce a blue chelate. The uncomplexed methylthymol blue is gray.

Pros And Cons Of Wastewater Treatment Methods Coagulation ...
Pros And Cons Of Wastewater Treatment Methods Coagulation ...

This process warrants the addition of a number of chemical additives to achieve the desired destabilized state. Alum, ferric chloride, ferric sulfate, ferrous sulfate, and lime are some of the additives used to neutralize the charged particles. Other supplements include polymers, which act as an aid for the aggregation of solids.

Application of Organic Coagulants in Water and Wastewater ...
Application of Organic Coagulants in Water and Wastewater ...

13/6/2018, · These include based aluminum metals (aluminum chloride, aluminum ,sulfate,, sodium aluminate) and iron based metals (,ferrous sulfate,, ferric ,sulfate,, ferric chloride) [13, 17, 18]. The addition of these coagulants to ,wastewater, undergo a series of reactions with the hydroxyl ions (OH − ) producing monomeric and polynuclear species.

DECOMPOSITION OF POLLUTANTS IN TEXTILE WASTEWATER …
DECOMPOSITION OF POLLUTANTS IN TEXTILE WASTEWATER …

those by the classical Fenton method. The ,wastewater, was purified with ,ferrous sulfate, and ,ferrous sulfate, with the addition of iron(II, III) nanocompound. The effect of optimization of the process was examined by ,adding, various amounts of ,ferrous sulfate, and iron(II, III) nano-oxide, hydrogen peroxide and changing pH of the solution.

5530 PHENOLS - Standard Methods For the Examination of ...
5530 PHENOLS - Standard Methods For the Examination of ...

Oxidizing agents, such as chlorine and those detected by the liberation of iodine on acidification in the presence of potassium iodide (KI)—Remove immediately after sampling by ,adding, excess ,ferrous sulfate, (FeSO 4). If oxidizing agents are not removed, the phenolic compounds will be oxidized partially.

Chemicals in Water & Wastewater Treatment
Chemicals in Water & Wastewater Treatment

Chemicals in Water & Wastewater Treatment, Chemical Used for Precipitation 1. Aluminum ,sulfate, – Al 2 (SO 4) 3.18 H 2 O 2. Aluminum chloride – AlCl 3 3. Calcium hydroxide – Ca (OH) 2 4. Lime 5. Ferric chloride – FeCl 3 6. Ferric ,sulfate, – Fe 2 (SO 4) 3 7. Copperas – FeSO 4.7H 2 O Chemical Used for Neutralization 1. Calcium carbonate ...

Cleaners Ruining Wastewater Quality | Products Finishing
Cleaners Ruining Wastewater Quality | Products Finishing

Our ,wastewater, quality to the sewer is typically excellent, except when we treat our spent cleaners. We have tried reducing the rate at which we bleed the cleaners into the treatment system. We have also tried ,adding, calcium chloride, ,ferrous sulfate, and aluminum ,sulfate,.

Combined Iron Reduction and Solidification/Stabilization ...
Combined Iron Reduction and Solidification/Stabilization ...

FGD ,wastewater,. The volume of the final brine was about 10% of the original ,w astewater,. During the process of concentrating the FGD ,wastewater, into its brine through heating, the colorless FGD ,wastewater, became yellow to brownish, with the formation of precipitates and crystal solids at the bottom. The TDS, nitrate, ,sulfate,,

5530 PHENOLS - Standard Methods For the Examination of ...
5530 PHENOLS - Standard Methods For the Examination of ...

Oxidizing agents, such as chlorine and those detected by the liberation of iodine on acidification in the presence of potassium iodide (KI)—Remove immediately after sampling by ,adding, excess ,ferrous sulfate, (FeSO 4). If oxidizing agents are not removed, the phenolic compounds will be oxidized partially.

Technology for Solid Waste Treatment – 浙江奇彩环境科技股份有 …
Technology for Solid Waste Treatment – 浙江奇彩环境科技股份有 …

The ferrous sulfate solution with a small amount of ammonia in the weak acid and then add water to warm the air reaction in the reaction at the same time add ferrous sulfate to balance the concentration of ferrous ions in the solution, add ammonia to balance the PH value of the solution, the reaction After a few hours, rinse, dry, crush the finished product.

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