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Iron and steel acid 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.

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Iron and steel acid wastewater
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. …

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 the effluents; …

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

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.

Magnesium Silicate Polymer as a Coagulant for Reactive Dye ...
Magnesium Silicate Polymer as a Coagulant for Reactive Dye ...

2.00 is considered to be the optimal ,acidity, for preparing MgSiPCs. 1. INTRODUCTION The ,printing and dyeing, industry is one of the biggest users of water. The unused dyes from various processing stages are discharged as ,wastewater,. Because of the excellent ,dyeing, processing and brighter colors, reactive dyes have been widely used.

Research Situation of Advanced Treatment and Reuse ...
Research Situation of Advanced Treatment and Reuse ...

The present research situation of advanced treatment and reuse technology of ,dyeing waste water, are summarized in this paper.According to the present situation of treatment of ,dyeing waste water, in our country,a new advanced treatment technology with lower cost,easier construction and better performance is put forward without changing the original facilities.The combination of this technology ...

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 ...

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,.

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

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,.

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].

Effect of Deionization on Activated Sludge Characteristics ...
Effect of Deionization on Activated Sludge Characteristics ...

1. Introduction. Today, some industries including petroleum, ,printing and dyeing,, paper, chemical, and pesticide industries discharge a large amount of ,wastewater, which contains highly inorganic saline, recalcitrant or toxic organic pollutants, and these kinds of ,wastewater, are of global concern for sustainable treatment (He et al., 2016; Fan, Kong, & Niu, 2014).

Research Situation of Advanced Treatment and Reuse ...
Research Situation of Advanced Treatment and Reuse ...

The present research situation of advanced treatment and reuse technology of ,dyeing waste water, are summarized in this paper.According to the present situation of treatment of ,dyeing waste water, in our country,a new advanced treatment technology with lower cost,easier construction and better performance is put forward without changing the original facilities.The combination of this technology ...

Effect of Deionization on Activated Sludge Characteristics ...
Effect of Deionization on Activated Sludge Characteristics ...

1. Introduction. Today, some industries including petroleum, ,printing and dyeing,, paper, chemical, and pesticide industries discharge a large amount of ,wastewater, which contains highly inorganic saline, recalcitrant or toxic organic pollutants, and these kinds of ,wastewater, are of global concern for sustainable treatment (He et al., 2016; Fan, Kong, & Niu, 2014).

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