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Composition of flowback fluid from fractured gas field

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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Composition of flowback fluid from fractured gas field
Textile Wastewater Treatment: A Critical Review
Textile Wastewater Treatment: A Critical Review

discharge huge amounts of highly colored wastewater as the uptake of these dyes by fabrics is very poor. This highly colored textile wastewater severely affects photosynthetic function in plant but also has an adverse effect on aquatic life due to low light penetration and oxygen consumption. It may also be lethal

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

For example, the dye factory discharges both acidic wastewater and alkaline wastewater. Due to the difference in fabrics and dyes, the pollutants and pollution effects of textile printing and dyeing wastewater will be very different. Even the wastewater discharged from a set of production unit may contain several pollutants at the same time.

COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER …
COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER …

of ,wastewater, was adjusted from the initial pH of 12.99 to pH 4 due to chitosan was soluble in ,acidic, aqueous phases [5]. Moreover, Domard et al.[10] pointed out that there were 90 % of the functional group of NH 2 on chitosan surface has been protonated at pH 4. …

Mordants and Natural Dyeing The Great Debate | Alpenglow Yarn
Mordants and Natural Dyeing The Great Debate | Alpenglow Yarn

11/11/2014, · When the water is heated (during the mordant process), this can result in acidic fumes which are corrosive, and irritating when inhaled. Always keep a lid on a hot mordant bath. Moisture from bare skin can cause more concentrated sulfuric acid to form on contact and cause chemical burns, always wear gloves and handle crystals with utensils.

Indigo Dye Is Affecting the Water Supply in India | The ...
Indigo Dye Is Affecting the Water Supply in India | The ...

12/4/2019, · Mordants can be just acidic, not necessarily toxic, but most companies choose to use mordant with aluminum and chromium. Both of these can cause great damage to the ecosystem. Factory wastewater can poison rivers, killing plants, animals and poisoning drinking water for the people of India.

Colour removal from textile effluents
Colour removal from textile effluents

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 ,dyeing,, most of the dye is exhausted on the fibre, but the unfixed dye goes into ,wastewater, causing deep colour. The wa<;tewater is extremely variable in

Dyeing Wastewater Water Decoloring Agent for Decolorizing ...
Dyeing Wastewater Water Decoloring Agent for Decolorizing ...

Dyeing Wastewater, Water Decoloring Agent for Decolorizing, Find Details about Water Decoloring Agent, ,Dyeing Wastewater, from ,Dyeing Wastewater, Water Decoloring Agent for Decolorizing - Yixing Bluwat Chemicals Co., Ltd.

Poultry keratin based decolorants for dyeing wastewater ...
Poultry keratin based decolorants for dyeing wastewater ...

acidic dyeing wastewater,. In contrast, the results for MKA were completely different, with the optimum performance obtained in the neutral to alkaline range (pH from 6 to 12), indicating that MKA was suitable for treating neutral or alkaline ,wastewater,.

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

have a high impact on the ,wastewater, quality. Natural dyestuffs require large quantities of water for ,dyeing,. (Almost equal to or double that of the fiber’s own wei- ght). About 80 percent of the dyestuffs stay on the fabric, while the rest go down the drain. Consequently natural dyes prepared from wild plants and lichens can have a

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

have a high impact on the ,wastewater, quality. Natural dyestuffs require large quantities of water for ,dyeing,. (Almost equal to or double that of the fiber’s own wei- ght). About 80 percent of the dyestuffs stay on the fabric, while the rest go down the drain. Consequently natural dyes prepared from wild plants and lichens can have a

COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER …
COAGULATION AND FLOCCULATION TREATMENT OF WASTEWATER …

of ,wastewater, was adjusted from the initial pH of 12.99 to pH 4 due to chitosan was soluble in ,acidic, aqueous phases [5]. Moreover, Domard et al.[10] pointed out that there were 90 % of the functional group of NH 2 on chitosan surface has been protonated at pH 4. …

Decolorization of dyeing wastewater and characterization ...
Decolorization of dyeing wastewater and characterization ...

The molecules of compounds in the dyeing wastewater had a negative charge on their surfaces because of the sulfonic acid groups (Uddin et al. 2003). Thus, the higher the positive charge on the surface of coagulant molecules, the better the color removal efficiency.

Dyeing Wastewater Water Decoloring Agent for Decolorizing ...
Dyeing Wastewater Water Decoloring Agent for Decolorizing ...

Dyeing Wastewater, Water Decoloring Agent for Decolorizing, Find Details about Water Decoloring Agent, ,Dyeing Wastewater, from ,Dyeing Wastewater, Water Decoloring Agent for Decolorizing - Yixing Bluwat Chemicals Co., Ltd.

Mordants and Natural Dyeing The Great Debate | Alpenglow Yarn
Mordants and Natural Dyeing The Great Debate | Alpenglow Yarn

11/11/2014, · However, it does form weak sulfuric acid when dissolved in water. When the water is heated (during the mordant process), this can result in acidic fumes which are corrosive, and irritating when inhaled. Always keep a lid on a hot mordant bath.

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

Since non-polar dyes are primarily used in supercritical CO2 ,dyeing, further development is required to enhance the ,dyeing, of natural fibers with ionic dyes such as acid dyes or reactive dyes because the affinity of natural textiles with dyes occurs by chemical (covalent bonds) interactions or fixed by physical (van der waals) forces.20-21 Kraan et al. (2003) reported four factors that ...

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

Since non-polar dyes are primarily used in supercritical CO2 ,dyeing, further development is required to enhance the ,dyeing, of natural fibers with ionic dyes such as acid dyes or reactive dyes because the affinity of natural textiles with dyes occurs by chemical (covalent bonds) interactions or fixed by physical (van der waals) forces.20-21 Kraan et al. (2003) reported four factors that ...

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