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Salt discharge standard of 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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Salt discharge standard of fracturing flowback fluid
Determination of chloride content in water by Volhard method
Determination of chloride content in water by Volhard method

b) Analysis of samples Step 2 - HNO3 ,acid, solution 5ml ,Colorless, 𝐶𝑙− sample solution 100ml AgCl s White ppt 0.1molL−1 AgNO3 solution 𝑇ℎ𝑒𝑛 𝑎𝑑𝑑 𝑙𝑖𝑡𝑡𝑙𝑒 𝑒𝑥𝑐𝑒𝑠𝑠 AgNO3 Step 3 - Record the total volume of …

EPA 832-F-00-022 - September 2000
EPA 832-F-00-022 - September 2000

form hypochlorous ,acid, (HOCl) and hypochlorite ions (OCl G) which, taken together, are referred to as “free chlorine.” (Free, uncombined chlorine, Cl 2, is rarely found in ,wastewater, since the conditions of formation are relatively extreme [Lind, 1995]). Once formed, the free chlorine reacts with natural organic matter in water and ...

pH Indicators explained pH Indicators
pH Indicators explained pH Indicators

Acid,-base indicators behave as weak acids or bases in water or solvents. ... For water and ,wastewater, C C O O HO OH ... m-Nitrophenol (,colorless, to yellow) o-Cresolphthalein (,colorless, to red) Phenolphthalein (,colorless, to pink) The pH ranges shown are approximate.

Environmental Impact of Food Contact Substance (21 CFR ...
Environmental Impact of Food Contact Substance (21 CFR ...

Name Acetic ,Acid, (AA) Source . CASRN 64-19-7 ChemID. plus. Formula C. 2. H. 4. O. 2. Structure Molecular weight 60.0516 g/mol Appearance Clear, ,colorless, liquid . Name Sulfuric ,Acid, Source . …

Hydrogen sulfide - Wikipedia
Hydrogen sulfide - Wikipedia

Hydrogen sulfide, is the chemical compound with the formula H 2 S.It is a ,colorless, chalcogen hydride gas with the characteristic foul odor of rotten eggs. It is poisonous, corrosive, and flammable. ,Hydrogen sulfide, is often produced from the microbial breakdown of organic matter in the absence of oxygen gas, such as in swamps and sewers; this process is commonly known as anaerobic digestion ...

Research on desulfurization wastewater evaporation ...
Research on desulfurization wastewater evaporation ...

1/5/2016, · Besides, desulfurization wastewater,, there are a lot of other high-salinity, wastewater, that needs treatment, such as concentrated, water, discharged from reverse osmosis, drainage of circulating cooling, water, in high circulating rate, part of the boiler blowdown, water,, and neutralization, water, of the, acid and alkaline, solutions for resin regeneration in power plants.

Wet flue gas desulfurization using alkaline agents ...
Wet flue gas desulfurization using alkaline agents ...

This additive effectively acts according to the next reactions: 22SO3 + S2O3 S2O3 + SO3 SO3 + S2O3 polythionates S2O3 + S2O3 polythionates (11) (12) (13) Shen et al. (2013) reported increasing ,desulfurization, efficiencies when increasing the initial Na2S2O3 concentration, as this strong base-weak acid salt also acts as a buffer. 3.7 Reutilization of residues and byproducts as ,desulfurization, agents Many industrial ,alkaline, wastes contain significant amounts of CaO and other ,alkaline, …

Sulfuric acid - Wikipedia
Sulfuric acid - Wikipedia

Sulfuric acid, (American spelling) or sulphuric ,acid, (Commonwealth spelling), also known as oil of vitriol, is a mineral ,acid, composed of the elements sulfur, oxygen and hydrogen, with molecular formula H 2 SO 4.It is a ,colorless,, odorless and viscous liquid that is miscible with water at all concentrations.. The ,acid, in pure form is highly corrosive towards other materials, as it is an oxidant ...

Sulfur dioxide removal: An overview of regenerative flue ...
Sulfur dioxide removal: An overview of regenerative flue ...

16/5/2020, · However, several studies have reported that instead of conducting, desulfurization, process at, alkaline, pH, SO 2 sorption can also be operated at lower temperatures as some sorbents possess the ability to remove SO 2 at neutral or slightly, acidic, pH as shown in Table 14.

Treatment of Wastewater from Purified Terephtalic Acid ...
Treatment of Wastewater from Purified Terephtalic Acid ...

PTA (1,4-benzenedicarboxylic ,acid,, C6H4(COOH)2) is purified via hydrogenation of crude terephthalic ,acid, and widely used as the main raw ,colorless, solid material in the manufacturing of various petrochemical products [1, 2]. A high strength organic PTA ,wastewater, is generated from the major sources of ,wastewater

Advanced and Intensified Seawater Flue Gas Desulfurization ...
Advanced and Intensified Seawater Flue Gas Desulfurization ...

Lower concentrations of inorganic ,additives, (magnesium sulfate and sodium sulfate) increase the removal efficiency of SO 2 and have little effect on ,desulfurization, seawater recovery [43,55]. ,Organic additives, (acetic acid and hexanedioic acid) promote seawater ,desulfurization, at lower pH, but they have negative effects on post-,desulfurization, seawater recovery.

Acid Bases and salts - DewWool
Acid Bases and salts - DewWool

7/10/2020, · Salts react with ,acid, to produce another ,acid, and a salt. But the cations and the anions in the new salt and ,acid, will be different. Eg: 2NaCl +H2SO4 ——> Na2SO4 + 2HCl . What is the most powerful ,acid,? The pH of acids depends also on the concentration. Concentrated sulfuric ,acid, …

Sustainable treatment of desulfurization wastewater by ion ...
Sustainable treatment of desulfurization wastewater by ion ...

18/3/2019, · Generally, a, slurry, of, alkaline limestone, is injected into the desulfurization tower to absorb SO 2 and the generated byproducts (gypsum) can be comprehensively utilized as additives in cement and other construction materials .

Process for removing color and odor from aqueous effluent ...
Process for removing color and odor from aqueous effluent ...

*EDTA is an abbreviation for ethylene diamine tetra acetic ,acid,. The sample of ,wastewater, effluent had a very dark, opaque color, almost black, and a very rank odor from the non-metallized azo dye complexes. ... The decanted liquid was clear and ,colorless,, and also free of odor.

WASTEWATER TREATMENT & ZERO LIQUID DISCHARGE SOLUTIONS …
WASTEWATER TREATMENT & ZERO LIQUID DISCHARGE SOLUTIONS …

The ,wastewater, treatment plant at Coats Vietnam will treat the ,wastewater, originating from it’s polyester dyeing (disperse dyes - 70%) and nylon dyeing (,acid, dyes - 30%). Additional ,wastewater, originates from the cotton towel dyeing using vat/reactive dyes. For disperse dyeing, the two main chemicals used are a buffer and a levelling agent.

wastewater | Sigma-Aldrich
wastewater | Sigma-Aldrich

Search results for ,wastewater, at ,Sigma-Aldrich,. Compare Products: Select up to 4 products. *Please select more than one item to compare

Peracetic Acid – Leading supplier & manufacturer of PAA ...
Peracetic Acid – Leading supplier & manufacturer of PAA ...

Solvay is the leading global supplier of high quality ,Peracetic Acid,. Solvay manufactures a range of high quality ,Peracetic Acid, solutions, sold under the trade names PROXITANEⓇ, OXYKILⓇ, AQUALISANⓇ and OXYSTRONGⓇ. Key Markets are: Aquaculture, Aseptic Packaging, Cleaning in Place, Food & Beverages, Food Processing, Laundry, Pulp & Paper and ,Wastewater, Treatment.

China Wastewater Decolorant Wastewater Decolorant ...
China Wastewater Decolorant Wastewater Decolorant ...

China ,Wastewater, Decolorant manufacturers - Select 2021 high quality ,Wastewater, Decolorant products in best price from certified Chinese ,Wastewater, Treatment Agent manufacturers, China Decolorant suppliers, wholesalers and factory on Made-in-China.com

EPA 832-F-00-022 - September 2000
EPA 832-F-00-022 - September 2000

form hypochlorous ,acid, (HOCl) and hypochlorite ions (OCl G) which, taken together, are referred to as “free chlorine.” (Free, uncombined chlorine, Cl 2, is rarely found in ,wastewater, since the conditions of formation are relatively extreme [Lind, 1995]). Once formed, the free chlorine reacts with natural organic matter in water and ...

Hydrogen sulfide - Wikipedia
Hydrogen sulfide - Wikipedia

Hydrogen sulfide, is the chemical compound with the formula H 2 S.It is a ,colorless, chalcogen hydride gas with the characteristic foul odor of rotten eggs. It is poisonous, corrosive, and flammable. ,Hydrogen sulfide, is often produced from the microbial breakdown of organic matter in the absence of oxygen gas, such as in swamps and sewers; this process is commonly known as anaerobic digestion ...

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