Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 513525609655

Treatment of acid wastewater containing chromium by electrolysis

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.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

Treatment of acid wastewater containing chromium by electrolysis
Methyl violet - Wikipedia
Methyl violet - Wikipedia

Methyl violet, is a mutagen and mitotic poison, therefore concerns exist regarding the ecological impact of the release of ,methyl violet, into the environment. ,Methyl violet, has been used in vast quantities for textile and paper ,dyeing,, and 15% of such dyes produced worldwide are released to environment in ,wastewater,.

Treatment of Acid Dyeing Wastewater With Trioctylamine by ...
Treatment of Acid Dyeing Wastewater With Trioctylamine by ...

The trioctylamine and kerosine was used as complexing agent and diluent agent separately to extract acid red G in dyeing wastewater and acid dyeing wastewater.The effects of dosing quantity of diluent,phase ratios,pH on the extraction efficiency was studied,when the concentration of CODCr was 1526 mg/L,the extraction rate of the dye contained in the wastewater can reach …

Toxicity Appraisal of Untreated Dyeing Industry Wastewater ...
Toxicity Appraisal of Untreated Dyeing Industry Wastewater ...

In this study, screening of the fractionated ,wastewater, through GC-MS showed the presence of phenols, phthalic ,acid, derivatives and chlorpyrifos. Metal analysis revealed that chromium, arsenic and mercury were present in amounts higher than the ,wastewater, discharge limits. Textile ,dyeing wastewater, was found to be highly mutagenic in the Ames test.

Printing and Dyeing Wastewater Treatment
Printing and Dyeing Wastewater Treatment

(2) Printing and dyeing wastewater mainly comes from sewage, grease, various kinds of added sizes, dyes, surfactants, auxiliaries, acids and bases; (3) Wastewater characteristics: large amount of water, high color, large change in pH (common high alkalinity), poor biodegradability.

Exploration of polyepoxysuccinic acid as a novel draw ...
Exploration of polyepoxysuccinic acid as a novel draw ...

dyeing wastewater, was prepared by adding 0.2 g dye to 1 L DI water and the concentration was similar to that of the actual ,wastewater,. The synthetic brackish water (0.3 M NaCl) was prepared by adding 17.55 g NaCl salt to 1 L DI water. NaCl was obtained from Sinopharm Chemical Reagent Co., Ltd (Shanghai). The PESA draw solution was obtained from the

Study of Purification of Acid Dyeing Wastewater with ...
Study of Purification of Acid Dyeing Wastewater with ...

The resesrch is about purification effect of viscose based activated carbon fiber(ACF) to the dye ,waste water,,by silk ,dyeing, with weak ,acid, brilliant blue A dye ,wastewater, purification simulation for research object.The results indicate that,ACF dosage,illumination,pH value of ,dyeing, solution all have effects to purifying effect.In conditions of visible light,dosage of ACF 0.5 g,dye pH is 2 ...

Printing and Dyeing Wastewater Treatment
Printing and Dyeing Wastewater Treatment

(2) Printing and dyeing wastewater mainly comes from sewage, grease, various kinds of added sizes, dyes, surfactants, auxiliaries, acids and bases; (3) Wastewater characteristics: large amount of water, high color, large change in pH (common high alkalinity), poor biodegradability.

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

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

Study of Purification of Acid Dyeing Wastewater with ...
Study of Purification of Acid Dyeing Wastewater with ...

The resesrch is about purification effect of viscose based activated carbon fiber(ACF) to the dye ,waste water,,by silk ,dyeing, with weak ,acid, brilliant blue A dye ,wastewater, purification simulation for research object.The results indicate that,ACF dosage,illumination,pH value of ,dyeing, solution all have effects to purifying effect.In conditions of visible light,dosage of ACF 0.5 g,dye pH is 2 ...

15 types of industrial wastewater treatment processes ...
15 types of industrial wastewater treatment processes ...

Acid wastewater mainly comes from steel plants, chemical plants, dye plants, electroplating plants and mines, etc., which contains various harmful substances or heavy metal salts. The mass fractions of acids vary widely, ranging from less than 1% to as high as 10%.

Research progress of the physical and chemical treatment ...
Research progress of the physical and chemical treatment ...

irradiation treating ,acid, red dye ,wastewater, and activated charcoal was used as catalyst. The results showed that the re-moval rate can reach 96%~98% when concentration of ,acid, red dye ,wastewater, is 400mg/L, carbon dosage is 2.0g, microwave power is 800W, irradiation time is 6min. Generally speaking,

The World's Most Polluting Industries - WorldAtlas
The World's Most Polluting Industries - WorldAtlas

Dyeing, knitted fabrics in a factory. Image credit: ... The industry generates wastes in the form of toxic ,wastewater,, solid waste, as well as volatile compounds like sulfur dioxide that are released into the air. ... Used Lead-,Acid, Batteries - 2,000,000 to 4,800,000 DALYs

Ammonium acetate | C2H4O2.H3N - PubChem
Ammonium acetate | C2H4O2.H3N - PubChem

The ,acid, salt is a double compound of the neutral salt with acetic ,acid,. Kirk-Othmer Encyclopedia of Chemical Technology. 3rd ed., Volumes 1-26. New York, NY: John Wiley and Sons, 1978-1984., p.

Washing and Dyeing Wastewater Treatment by Combined Nano ...
Washing and Dyeing Wastewater Treatment by Combined Nano ...

The washing and ,dyeing wastewater, with a certain velocity into the flocculation sedimentation tank, while adding nano flocculant, the ,waste water, and the nano flocculant mixed rapidly within the reactor settlement, removing most of the chroma and COD, and then the sludge discharged

Textile dyeing industry an environmental hazard
Textile dyeing industry an environmental hazard

Air ,Dyeing, Technology is a ,dyeing, process that uses air instead of water to dye garments, allowing companies to create garments with vivid designs and colors, without polluting the water and environment [9]. Air ,Dyeing, Technology “ Figure 1 ” below indicates the benefits of Air ,dyeing, technology. • Uses 95 percent less water.

Treatment of Acid Dyeing Wastewater With Trioctylamine by ...
Treatment of Acid Dyeing Wastewater With Trioctylamine by ...

The trioctylamine and kerosine was used as complexing agent and diluent agent separately to extract acid red G in dyeing wastewater and acid dyeing wastewater.The effects of dosing quantity of diluent,phase ratios,pH on the extraction efficiency was studied,when the concentration of CODCr was 1526 mg/L,the extraction rate of the dye contained in the wastewater can reach 94.09% while the …

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

Method 4500-Sulfate ion E. Turbidimetric Method for the determination of sulfate ion in water and ,wastewater,. Sulfate ion is precipitated in an acetic ,acid, medium with barium chloride so as to form barium sulfate crystals of uniform size.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City