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Decolorization and deoiling of acidic oily wastewater by oxidant

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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Decolorization and deoiling of acidic oily wastewater by oxidant
The solution for sulphuric acid in wastewater | Axon group
The solution for sulphuric acid in wastewater | Axon group

The ,wastewater, must meet certain standards. To remove the sulphides from the water, you could add a dose of FeCl3 directly into the reactor. By adding iron chloride, the hydrogen sulphide is converted to a slightly soluble iron sulphide with formation of ,hydrochloric acid, (HCl).

Treatment of oil-containing sewage wastewater using ...
Treatment of oil-containing sewage wastewater using ...

wastewater, according to the Japanese Industrial Stan-dards (JIS K0102). The measurement of oil concentra-tion is as follows: the ,hydrochloric acid, added to the gathered sample until becoming acidity. And it stirred adding the hexane of about 30% of the amount of the sample. Afterwards, the hexane layer was collected, the

Hydrochloric Acid Storage Tanks & HCl Specifications
Hydrochloric Acid Storage Tanks & HCl Specifications

Hydrochloric acid, is a monoprotic molecule with an ,acid,-dissociation equilibrium constant (K a) three orders of magnitude greater than sulfuric ,acid,, indicating HCl is both strong and effective as an ,acid,. The K a value for HCl is reported at 1.3 x 10 6 where sulfuric ,acid, is 1.0 x 10 3. HCl is a very strong ,acid, that is corrosive and hazardous.

Method 8190 PHOSPHORUS TOTAL For water wastewater and ...
Method 8190 PHOSPHORUS TOTAL For water wastewater and ...

USEPA Accepted for reporting ,wastewater, analysis** * Adapted from Standard Methods for the Examination of Water and ,Wastewater,. 1. Measure 25 mL of sample into a 50-mL erlenmeyer flask using a graduated cylinder. Note: Rinse all glassware with 1:1 ,Hydrochloric Acid, Solution. Rinse again with deionized water. Do not use detergents ,containing

Hydrochloric Acid: Formula Properties Risks and Uses ...
Hydrochloric Acid: Formula Properties Risks and Uses ...

He ,hydrochloric acid, , Also known as muriatic ,acid,, spirit of salt, marine ,acid,, ,acid, salt, strong water or salfumán (in Spain) is the aqueous solution of hydrogen chloride.Its formula is HCl and its structure is presented in figure 1. It is a strong mineral ,acid, with many industrial uses. ,Hydrochloric acid, constitutes the majority of gastric ,acid,, the human digestive fluid.

Simultaneous Determination of Toluene o-Chlorotoluene p ...
Simultaneous Determination of Toluene o-Chlorotoluene p ...

A method for simultaneous determination of toluene,o-chlorotoluene,p-chlorotoluene,benzyl chloride in ,hydrochloric acid containing wastewater, was established by carbon disulfide extraction-gas chromatography,and was used to detect the actual sample. Toluene,o-chlorotoluene,p-chlorotoluene,benzyl chloride in the ,hydrochloric acid containing wastewater, were extracted with …

How to Treat Wastewater from Iron and Steel Industry ...
How to Treat Wastewater from Iron and Steel Industry ...

Ten to 15 per cent of the ,acid, used in pickling is discharged in the rinse water as highly diluted free and combined ,acid,. Spent sulphate pickling solutions are discharged at 170°F-190°F and can amount to 1,00,000 gal per day in a large mill. ,Hydrochloric,, nitric, phosphoric and hydrofluoric acids are used in pickling stainless steels.

TREATMENT OF WASTEWATER CONTAINING HEAVY METALS USING ...
TREATMENT OF WASTEWATER CONTAINING HEAVY METALS USING ...

Treatment of wastewater containing heavy metals using filters, made of advanced silica-based… 21 2. Materials and methods 2.1. Materials and preparation of SiO 2 ... ,hydrochloric acid, solution, after which the TEOS (tetraethyl orthosilicate) silica precursor is added.

WORLD BANK GROUP Environmental Health and Safety ...
WORLD BANK GROUP Environmental Health and Safety ...

wastewater containing, suspended fatty acids and fats, with high biochemical oxyg en demand ... (usually ,hydrochloric acid, and sodium chloride). The use of phosphoric ,acid, is a challenge during ,wastewater, treatment due to the associated high levels of phosphate in the stream,

Industrial Wastewater: What is It & Where Does It Come From?
Industrial Wastewater: What is It & Where Does It Come From?

The waste produced from metal finishing operations is typically a slurry (sludge) ,containing, metals dissolved in liquid. Metal plating, metal finishing and printed circuit board (PCB) manufacturing operations produce a lot of sludge ,containing, metal hydroxides such as ferric hydroxides, magnesium hydroxides, nickel hydroxides, zinc hydroxides, copper hydroxides, and aluminum hydroxides.

PROCESS FOR TREATMENT OF WASTEWATER - Heraeus …
PROCESS FOR TREATMENT OF WASTEWATER - Heraeus …

A process for the treatment of acidic ,wastewater, which comprises ,hydrochloric acid,, nitric ,acid, as an optional component, 0.1 to 30 wt.-% of one or more dissolved metals selected from the group consisting of aluminum and heavy metals other than precious metals, and 10 to 500 wt.-ppm of at least one dissolved precious metal, wherein the process comprises the successive steps (1) to (5):

Method 8190 PHOSPHORUS TOTAL For water wastewater and ...
Method 8190 PHOSPHORUS TOTAL For water wastewater and ...

USEPA Accepted for reporting ,wastewater, analysis** * Adapted from Standard Methods for the Examination of Water and ,Wastewater,. 1. Measure 25 mL of sample into a 50-mL erlenmeyer flask using a graduated cylinder. Note: Rinse all glassware with 1:1 ,Hydrochloric Acid, Solution. Rinse again with deionized water. Do not use detergents ,containing

Hydrochloric Acid Storage Tanks & HCl Specifications
Hydrochloric Acid Storage Tanks & HCl Specifications

Hydrochloric acid, is a monoprotic molecule with an ,acid,-dissociation equilibrium constant (K a) three orders of magnitude greater than sulfuric ,acid,, indicating HCl is both strong and effective as an ,acid,. The K a value for HCl is reported at 1.3 x 10 6 where sulfuric ,acid, is 1.0 x 10 3. HCl is a very strong ,acid, that is corrosive and hazardous.

A method for treating wastewater containing formaldehyde
A method for treating wastewater containing formaldehyde

phenol in a ,wastewater containing, high concentrations of formaldehyde started shortly after treating the ,wastewater, ... mixture and add 25ml water,5ml conc. ,hydrochloric acid, and 5ml potassium iodide solution. The solution will become dark brown due to liberation of iodine.

Controlling the acid capacity on wastewater treatment plants
Controlling the acid capacity on wastewater treatment plants

The ,acid, capacity is defined as the amount of ,hydrochloric acid, that can be added to a certain amount of ,waste water, until a pH of 4.3 is reached (common abbreviation: KS4.3). Causes of ,acid, capacity deficits in ,wastewater, treatment plants During the treatment process, organic carbon-, nitrogen- and phosphate-,containing wastewater

Industrial Wastewater: What is It & Where Does It Come From?
Industrial Wastewater: What is It & Where Does It Come From?

The waste produced from metal finishing operations is typically a slurry (sludge) ,containing, metals dissolved in liquid. Metal plating, metal finishing and printed circuit board (PCB) manufacturing operations produce a lot of sludge ,containing, metal hydroxides such as ferric hydroxides, magnesium hydroxides, nickel hydroxides, zinc hydroxides, copper hydroxides, and aluminum hydroxides.

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