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

Removal of dichromate from acid industrial wastewater

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.

Removal of dichromate from acid industrial wastewater
Study of Blended Waste Organic Extracts in Wastewater ...
Study of Blended Waste Organic Extracts in Wastewater ...

16 % in ,dyeing,, 8 % in ,printing,, 14 % in boiler and 24 % for other uses [7]. Its biggest impact on the environment is related to primary water consumption (80-100 m3/Ton of finished textile) and ,wastewater, discharge (115-175 Kg of COD/Ton of finished textile, a large range of organic chemical, low bio-degradability, colour, salinity) [8,9].

22395 (1) - 5 Textile Dyeing Wastewater Treatment Zongping ...
22395 (1) - 5 Textile Dyeing Wastewater Treatment Zongping ...

View 22395 (1) from BLA DASDLKL at Petronas Technology University. 5 ,Textile Dyeing Wastewater Treatment Zongping, Wang, Miaomiao Xue, Kai Huang and Zizheng Liu Huazhong University of Science and ,Study, Resources

REVIEW ON TREATMENT OF DYES IN WASTEWATER USING …
REVIEW ON TREATMENT OF DYES IN WASTEWATER USING …

wastewater, especially from ,dyeing, and ,printing, industries needs proper treatment before its discharge in water bodies as major contribution of the largest amount of textile ,wastewater, is from the developing countries. According to estimation the textile effluent contributes to about 51% of sewage ,waste water,.

Decolorization of Dyeing Wastewater Using Polymeric ...
Decolorization of Dyeing Wastewater Using Polymeric ...

29/2/2012, · The ,wastewater, produced by a reactive ,dyeing, contains [2,3]: (i) hydrolyzed reactive dyes not fixed on the substrate, representing 20-30% of the reactive dyes applied (on average 2 g/L) (this residual amount is responsible for the coloration of the effluents and cannot be recycled); (ii) ,dyeing, auxiliaries or organic substances, which are non-recyclable and responsible for the high BOD/COD of …

Minerals | Free Full-Text | Study on Chromaticity Removal ...
Minerals | Free Full-Text | Study on Chromaticity Removal ...

Cai et. al. studied an advanced treatment of printing and dyeing wastewater by the AC catalytic ozonation method, with the optimal conditions as follows: pH value 11, reaction time 60 min, doped-AC catalyst dosage 50 g/L, and ozone 6.5 mg/min, the removal ratio of color was 95.83% .

Top PDF textile dyeing wastewater - 1Library
Top PDF textile dyeing wastewater - 1Library

Wastewater, from textile ,dyeing, industry showed 95% degradation measured by Chemical Oxygen Demand removal and 80% mineralization by reduction of Total Organic Carbon. Biodegradability of the treated ,wastewater, increased to 0.42 implying that the further treatment could be progressed by biological method.

Decolorization of Dyeing Wastewater Using Polymeric ...
Decolorization of Dyeing Wastewater Using Polymeric ...

29/2/2012, · The ,wastewater, produced by a reactive ,dyeing, contains [2,3]: (i) hydrolyzed reactive dyes not fixed on the substrate, representing 20-30% of the reactive dyes applied (on average 2 g/L) (this residual amount is responsible for the coloration of the effluents and cannot be recycled); (ii) ,dyeing, auxiliaries or organic substances, which are non-recyclable and responsible for the high BOD/COD of …

Textile dye wastewater characteristics and constituents of ...
Textile dye wastewater characteristics and constituents of ...

wastewater,(Sivakumar2014).Itisestimatedthatapproxi-mately200lofwaterareappliedintheproductionof1kg oftextilematerial.Thisamountofwaterisrequiredwhen chemicalsareappliedonthefabricsandduringtherinsing processofthenalproducts(Ghalyetal.2014).So,treat-mentandrecyclingofthetextileeuentsarerecommended. Thissectionsurveysthemethodsappliedtotreattheactual

Preparation of Quaternary Ammonium Salt-Modified Chitosan ...
Preparation of Quaternary Ammonium Salt-Modified Chitosan ...

A study of the treatment of printing and dyeing wastewater was carried out using the combined process of anoxic baffled reactor-biol. contact oxidn. The results showed the pH ascended continuously and the oxidn.-redn. potential dropped gradually from compartment 1-6 in ABR.

Wastewater Analysis and Study of Soil Microorganisms of ...
Wastewater Analysis and Study of Soil Microorganisms of ...

Wastewater Analysis and Study of Soil Microorganisms of, ... is the use of huge volumeof water either in the actual chemical processing or during re-processing in preparatory,,dyeing,, ,printing, and ... heat,colour, ,acidity,, and other soluble substances. The removal of colour from textile industry anddyestuff manufacturing industry ...

Preparation of Quaternary Ammonium Salt-Modified Chitosan ...
Preparation of Quaternary Ammonium Salt-Modified Chitosan ...

A ,study, of the treatment ,of printing and dyeing wastewater, was carried out using the combined process of anoxic baffled reactor-biol. contact oxidn. The results showed the pH ascended continuously and the oxidn.-redn. potential dropped gradually from compartment 1-6 in ABR.

22395 (1) - 5 Textile Dyeing Wastewater Treatment Zongping ...
22395 (1) - 5 Textile Dyeing Wastewater Treatment Zongping ...

View 22395 (1) from BLA DASDLKL at Petronas Technology University. 5 ,Textile Dyeing Wastewater Treatment Zongping, Wang, Miaomiao Xue, Kai Huang and Zizheng Liu Huazhong University of Science and ,Study, Resources

Review on various types of pollution problem in textile ...
Review on various types of pollution problem in textile ...

The ,waste water, from the ,dyeing, and ,printing, industries is identified as the most polluted water considering the volume generate as well as the effluent composition. 7 In textile industry 2000000REF tons of dyes are turned to effluent every year during ,dyeing,, finishing and ,printing, operations, due to the inefficiency of ,dyeing, process.

WASTEWATER CHARACTERISTICS IN TEXTILE FINISHING MILLS
WASTEWATER CHARACTERISTICS IN TEXTILE FINISHING MILLS

The textile finishing covers the bleaching, ,dyeing,, ,printing, and stiffening of textile products in the various processing stages (fibre, yarn, fabric, knits, finished items). The purpose of finishing is in every instance the improvement of the serviceability and adaptation of the products to meet the ever-changing demands of fashion and function.

Assessment of Textile Industrial Effluent by Wastewater ...
Assessment of Textile Industrial Effluent by Wastewater ...

around 90% appears as ,wastewater,. The process of adding colour to the fibre is known as ,dyeing, which normally requires large volumes of water not only in the dye bath, but also during the rinsing step. The process of ,dyeing, involves the use of different chemicals like sulphide, formaldehyde salts, metals

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City