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Removal of magnesium ion from 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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Removal of magnesium ion from acid wastewater
RSC Advances
RSC Advances

produces a large amount of ,printing and dyeing wastewater, through synthetic dyes every year. This ,wastewater, is often slightly ,acidic, or slightly ,alkaline,, has a low ratio of BOD5/COD (5 days biochemical oxygen demand to chemical oxygen demand, around 20%), and can contain dyestuff, high salt,

(PDF) Waste water treatment in Textile Industries- the ...
(PDF) Waste water treatment in Textile Industries- the ...

washing sewage, textile ,printing and dyeing wastewater, etc., which the organic matter content of it is as high as 1 000 mg/L or more, the anaerobic

TEXTILE BLEACHING DYEING FINISHING & PRINTING
TEXTILE BLEACHING DYEING FINISHING & PRINTING

Wastewater, from ,printing and dyeing, units is often rich in color, containing residues of reactive dyes and chemicals, and requires proper treatment before being released into the environment. The toxic effects of dyestuffs and other organic compounds, as well as ,acidic, and ,alkaline, contaminants, from industrial establishments on the general public are widely accepted.

Colour removal from textile effluents
Colour removal from textile effluents

processing, i.e. desizing, scouring, bleaching, ,dyeing,, ,printing, and finishing, are the major causes of water pollution. A major contribution to colour in textile ,wastewater, is usually the ,dyeing, and the washing operation after ,dyeing, during which as much as 50% of the dye might be released into the effluent. During

PAPER OPEN ACCESS Progress Research on Treatment Methods ...
PAPER OPEN ACCESS Progress Research on Treatment Methods ...

Printing and dyeing wastewater is recognized as one of the most difficult industrial wastewater treatments due to its complex composition, high content of refractory organic matter, high chroma, high alkalinity and poor biodegradability.

Colour removal from textile effluents
Colour removal from textile effluents

processing, i.e. desizing, scouring, bleaching, ,dyeing,, ,printing, and finishing, are the major causes of water pollution. A major contribution to colour in textile ,wastewater, is usually the ,dyeing, and the washing operation after ,dyeing, during which as much as 50% of the dye might be released into the effluent. During

Polyacrylamide for chemical fiber
Polyacrylamide for chemical fiber

Generally, acidic wastewater is neutralized by adding alkali, and alkaline wastewater is neutralized by adding acid. Where conditions permit, acid-base wastewater can also be used for neutralization. After pH adjustment, the wastewater needs to be pretreated to remove SS and oily substances, such as using air flotation to remove oil, coagulation and sedimentation to remove suspended solids and some organic …

50% Content of decoloring agent of Dyeing and printing ...
50% Content of decoloring agent of Dyeing and printing ...

1.This chemical is able to make a good decoloration effect on printing and dyeing wastewater of active and acid dyes. 2.It is able to reduce COD.COD removal rate can reach over 85%. 3.In alkali wastewater,it can make PH value neutral.It is better to be used together with PAC.

Anionic Surfactants - Alfa Chemistry
Anionic Surfactants - Alfa Chemistry

Anionic surfactants, show cationicity in both ,acidic, and ,alkaline, media. This makes it possible to flocculate precipitates with negatively charged aerosol particles. As the king of new flocculants, ,anionic surfactants, have extensive sources, ... textile ,printing and dyeing wastewater,. ...

B. Ramesh Babu* A.K. Parande S. Raghu and T. Prem Kumar
B. Ramesh Babu* A.K. Parande S. Raghu and T. Prem Kumar

of ,wastewater, from different steps in the ,dyeing, and finishing processes. ,Wastewater, from ,printing and dyeing, units is often rich in color, containing residues of reactive dyes and chemicals, and requires proper treatment before being released into the environment. The toxic effects of dyestuffs and other organic compounds, as well as ,acidic, ...

Anionic Surfactants - Alfa Chemistry
Anionic Surfactants - Alfa Chemistry

Anionic surfactants, show cationicity in both ,acidic, and ,alkaline, media. This makes it possible to flocculate precipitates with negatively charged aerosol particles. As the king of new flocculants, ,anionic surfactants, have extensive sources, ... textile ,printing and dyeing wastewater,. ...

B. Ramesh Babu* A.K. Parande S. Raghu and T. Prem Kumar
B. Ramesh Babu* A.K. Parande S. Raghu and T. Prem Kumar

of ,wastewater, from different steps in the ,dyeing, and finishing processes. ,Wastewater, from ,printing and dyeing, units is often rich in color, containing residues of reactive dyes and chemicals, and requires proper treatment before being released into the environment. The toxic effects of dyestuffs and other organic compounds, as well as ,acidic, ...

Ozonation of Textile Dyeing Wastewater — A Review
Ozonation of Textile Dyeing Wastewater — A Review

wastewater, from many textile units are less biodegradable (BOD/COD<0.3) since most of the dyestuffs and chemicals are recalcitrant in nature besides being highly ,alkaline, [13].

TEXTILE BLEACHING DYEING FINISHING & PRINTING
TEXTILE BLEACHING DYEING FINISHING & PRINTING

Wastewater, from ,printing and dyeing, units is often rich in color, containing residues of reactive dyes and chemicals, and requires proper treatment before being released into the environment. The toxic effects of dyestuffs and other organic compounds, as well as ,acidic, and ,alkaline, contaminants, from industrial establishments on the general public are widely accepted.

Ozonation of Textile Dyeing Wastewater — A Review
Ozonation of Textile Dyeing Wastewater — A Review

wastewater, from many textile units are less biodegradable (BOD/COD<0.3) since most of the dyestuffs and chemicals are recalcitrant in nature besides being highly ,alkaline, [13].

Polyacrylamide for chemical fiber
Polyacrylamide for chemical fiber

Generally, acidic wastewater is neutralized by adding alkali, and alkaline wastewater is neutralized by adding acid. Where conditions permit, acid-base wastewater can also be used for neutralization. After pH adjustment, the wastewater needs to be pretreated to remove SS and oily substances, such as using air flotation to remove oil, coagulation and sedimentation to remove suspended solids and some organic …

Textile dyeing and textile wastewater treatment ...
Textile dyeing and textile wastewater treatment ...

The dye-fiber reaction can occur under neutral or mild acidic conditions without the use of electrolytes and therefore severe wash-off procedures can be eliminated since hydrolysis of dyes generally occurs in alkaline conditions.

(PDF) Waste water treatment in Textile Industries- the ...
(PDF) Waste water treatment in Textile Industries- the ...

washing sewage, textile ,printing and dyeing wastewater, etc., which the organic matter content of it is as high as 1 000 mg/L or more, the anaerobic

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