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Fracturing flowback fluid and produced water

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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Fracturing flowback fluid and produced water
Removal of Dyes from Wastewater by Adsorption onto ...
Removal of Dyes from Wastewater by Adsorption onto ...

Removal of ,Dyes, from ,Wastewater, by Adsorption onto Activated Carbon: ... Several examples of ,acid dyes, such as ,acid, blue 83, ,acid, black 1, ,acid, orange 7, ,acid, blue 1 and ,acid, yellow 36. Hazalnut bagasses were used to prepare activated carbon at 600˚C by using zinc …

In vivo and in vitro efficient textile wastewater ...
In vivo and in vitro efficient textile wastewater ...

dyes, from ,wastewater, and adsorption has become a commonly adopted technology.9–12 Acidic anionic ,dyes, are currently used for dying natural bers, such as wool, ax and silk, and chem-ical bers, such as nylon. Most ,acid, anionic ,dyes, are azo-type ,dyes, and anthraquinone-type ,dyes,, which can pollute aquatic

Waste Management by Waste: Removal of Acid Dyes from ...
Waste Management by Waste: Removal of Acid Dyes from ...

remnant ,acid dyes, (,acid, red 1, ,acid, blue 45 and ,acid, yellow 127) from wool industry wastewaters by absorption process with a view to valorizing fish waste and mutual management of both fish by-product and wastewaters of wool industry.

In vivo and in vitro efficient textile wastewater ...
In vivo and in vitro efficient textile wastewater ...

Most acid anionic dyes are azo-type dyes and anthraquinone-type dyes, which can pollute aquatic environments and threaten people's health and the lives of microorganisms. Therefore, textile wastewater should be strictly controlled at a permitted concentration.

Toxicant Dye Compounds Wastewater: A Review
Toxicant Dye Compounds Wastewater: A Review

of natural and modified polymers for the removal of dyes from wastewater is becoming more common. Although modified polymers are preferred for the removal of dyes, due to their biodegradability and. non-toxic nature, large amounts of polymers are required, resulting in higher costs. Surface-modified.

Recent advances in textile wastewater treatment using ...
Recent advances in textile wastewater treatment using ...

The most important auxochromes are amine (–NH3), carboxyl (–COOH), sulfonate (–SO3H) and hydroxyl (-OH). 17 Based on the method of application, main classes of ,dyes, are: ,acid,, basic, direct, reactive, disperse, vat, mordant and sulphur 18,19 and according to the chemical structure and the type of the chromophore present in the molecule, the most important classes, as indicated in Table 1 ...

Antimony dye wastewater treatment method
Antimony dye wastewater treatment method

These ,dyes, account for about 20% of synthetic ,dyes,. They can be further classified into ,acid dyes,, disperse ,dyes,, vat ,dyes,, direct ,dyes, and reactive ,dyes, according to application properties and application methods. Anthraquinone ,dyes, (such as 2-Methylanthraquinone) are currently the second most widely used ,dyes,.

A REVIEW OF THE TEXTILE INDUSTRIES WASTE WATER TREATMENT …
A REVIEW OF THE TEXTILE INDUSTRIES WASTE WATER TREATMENT …

from ,wastewater, streams [7]. To reduce the acidic contents of the effluents neutralization is done. Sulphuric ,acid, and boiler flue gas are the most commonly used chemicals to alter the pH. A pH value of 5-9 is considered ideal for the treatment process [8] (Babu R et al., 2007). The screening is followed

Antimony dye wastewater treatment method
Antimony dye wastewater treatment method

These ,dyes, account for about 20% of synthetic ,dyes,. They can be further classified into ,acid dyes,, disperse ,dyes,, vat ,dyes,, direct ,dyes, and reactive ,dyes, according to application properties and application methods. Anthraquinone ,dyes, (such as 2-Methylanthraquinone) are currently the second most widely used ,dyes,.

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.

How Do Wastewater Treatment Plants Work? | SSI
How Do Wastewater Treatment Plants Work? | SSI

Textile dyeing plants use various dyes, including acid dyes, basic dyes, direct dyes, mordant dyes, pigment dyes, solvent dyes, and vat dyes, which contribute an entirely different set of contaminants to their wastewater. The wastewater may also include substances such as pH buffers and dye accelerators.

A REVIEW OF THE TEXTILE INDUSTRIES WASTE WATER TREATMENT …
A REVIEW OF THE TEXTILE INDUSTRIES WASTE WATER TREATMENT …

from ,wastewater, streams [7]. To reduce the acidic contents of the effluents neutralization is done. Sulphuric ,acid, and boiler flue gas are the most commonly used chemicals to alter the pH. A pH value of 5-9 is considered ideal for the treatment process [8] (Babu R et al., 2007). The screening is followed

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.

Removal of Dyes from Wastewater by Adsorption onto ...
Removal of Dyes from Wastewater by Adsorption onto ...

Removal of ,Dyes, from ,Wastewater, by Adsorption onto Activated Carbon: ... Several examples of ,acid dyes, such as ,acid, blue 83, ,acid, black 1, ,acid, orange 7, ,acid, blue 1 and ,acid, yellow 36. Hazalnut bagasses were used to prepare activated carbon at 600˚C by using zinc chloride as activating agent (Hakan et al., 2008). ...

In vivo and in vitro efficient textile wastewater ...
In vivo and in vitro efficient textile wastewater ...

dyes, from ,wastewater, and adsorption has become a commonly adopted technology.9–12 Acidic anionic ,dyes, are currently used for dying natural bers, such as wool, ax and silk, and chem-ical bers, such as nylon. Most ,acid, anionic ,dyes, are azo-type ,dyes, and anthraquinone-type ,dyes,, which can pollute aquatic

Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Textile dyeing plants generate ,wastewater, that contain synthetic (e.g., reactive ,dyes,, ,acid dyes,, basic ,dyes,, disperse ,dyes,, vat ,dyes,, sulphur ,dyes,, mordant ,dyes,, direct ,dyes,, ingrain ,dyes,, solvent ,dyes,, pigment ,dyes,) and natural dyestuff, gum thickener (guar) and various wetting agents, pH buffers and dye retardants or accelerators.

Recent advances in textile wastewater treatment using ...
Recent advances in textile wastewater treatment using ...

The most important auxochromes are amine (–NH3), carboxyl (–COOH), sulfonate (–SO3H) and hydroxyl (-OH). 17 Based on the method of application, main classes of ,dyes, are: ,acid,, basic, direct, reactive, disperse, vat, mordant and sulphur 18,19 and according to the chemical structure and the type of the chromophore present in the molecule, the most important classes, as indicated in Table 1 ...

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.

In vivo and in vitro efficient textile wastewater ...
In vivo and in vitro efficient textile wastewater ...

dyes, from ,wastewater, and adsorption has become a commonly adopted technology.9–12 Acidic anionic ,dyes, are currently used for dying natural bers, such as wool, ax and silk, and chem-ical bers, such as nylon. Most ,acid, anionic ,dyes, are azo-type ,dyes, and anthraquinone-type ,dyes,…

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