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Thickener for 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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Thickener for acid wastewater
Textile Dyeing Wastewater Treatment by Coupling Fenton’s ...
Textile Dyeing Wastewater Treatment by Coupling Fenton’s ...

The main pollutants in textile ,wastewater, originate from the ,dyeing, and finishing steps [1]. The ,wastewater, generated is characterized by presenting low metal and suspended solid contents, high temperature, alkaline pH in most situations, high chemical oxygen demand and strong color [2].

ASSESSMENT STUDIES ON WASTEWATER POLLUTION BY …
ASSESSMENT STUDIES ON WASTEWATER POLLUTION BY …

volume of ,wastewater, into the environment, most of which is untreated. The ,wastewater, contains a variety of chemicals from the various stages of process operations which include desizing, scouring, bleaching and ,dyeing, 4-5. The textile industry is distinguished by the raw material used and this determines the volume of

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

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, ...

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

Water Decoloring Agent Chemical | Textile Wastewater ...
Water Decoloring Agent Chemical | Textile Wastewater ...

Longwater® ,water decoloring agent, mainly used for ,waste water, treatment for textile, printing, ,dyeing,, paper-making, mining, ink, and so on. Longwater® ,water decoloring agent, can be used for color removal treatment for high-colority ,waste water, from dyestuffs plants.

The Treatment of High Concentration Dyeing Wastewater with ...
The Treatment of High Concentration Dyeing Wastewater with ...

produces nearly 700,000 tons of ,dyeing wastewater,. As a result, the ,wastewater, emissions, and the total amounts of pollutants of the ,dyeing, industry, rank second and fourth among the industrial departments nationwide, and the ,dyeing, industry has become one of the major water pollution industries in China.

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.

ASSESSMENT STUDIES ON WASTEWATER POLLUTION BY …
ASSESSMENT STUDIES ON WASTEWATER POLLUTION BY …

volume of ,wastewater, into the environment, most of which is untreated. The ,wastewater, contains a variety of chemicals from the various stages of process operations which include desizing, scouring, bleaching and ,dyeing, 4-5. The textile industry is distinguished by the raw material used and this determines the volume of

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.

OPTIMISATION OF THE DYEBATH PH VALUE FOR REDUCING THE ...
OPTIMISATION OF THE DYEBATH PH VALUE FOR REDUCING THE ...

Dyeing, of polyester fabric is carryng out in slightly ,acidic, medium; the dyebath pH value is adjusted to 4.5 – 5.5, which results in the huge amount of ,acidic, industrial ,wastewater,. In this paper, ,dyeing, of polyester knitwear with four disperse dyes in the pH range 4.5 – 7, in order to reduce the amount of acid used in the ,dyeing, process, was

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,.

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. …

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 ...

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

Waste Management of Textiles: A Solution to The ...
Waste Management of Textiles: A Solution to The ...

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, and alkaline ...

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