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Treatment of acid dye 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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Treatment of acid dye wastewater
Textiles Wastewater Treatment
Textiles Wastewater Treatment

wastewater generally contains various kinds of synthetic dyes: azo dye, indigo dye, triphenylmethane dye, anthraquinone dye, and aromatic methane dye and these dyes have the following characteristics: resistance to light, acid and alkali treatment and could lead to potential health impact such as carcinogenicity and teratogenicity. The

Toxicity Appraisal of Untreated Dyeing Industry Wastewater ...
Toxicity Appraisal of Untreated Dyeing Industry Wastewater ...

In this study, screening of the fractionated ,wastewater, through GC-MS showed the presence of phenols, phthalic ,acid, derivatives and chlorpyrifos. Metal analysis revealed that chromium, arsenic and mercury were present in amounts higher than the ,wastewater, discharge limits. Textile ,dyeing wastewater, was found to be highly mutagenic in the Ames test.

Removal of Textile Dye Acid Green 1 from Wastewater by ...
Removal of Textile Dye Acid Green 1 from Wastewater by ...

Acid, Green 1 dye (AG1) was obtained commercially from DyStar. Some of the important physicochemical properties of AG1 are stated in Table 1. Table 1: Chemical structure and characteristics of AG1. Commercial Name ,Acid, Green 1 Systematic name [Ferrate (3-), tris[5,6-dihydro-5-(hydroxyimino-kappa.N)-6-(oxo-kappa.O)-2-naphthalenesulfonato(2-)]-sodium (1:3)]

15 types of industrial wastewater treatment processes ...
15 types of industrial wastewater treatment processes ...

Acid wastewater mainly comes from steel plants, chemical plants, dye plants, electroplating plants and mines, etc., which contains various harmful substances or heavy metal salts. The mass fractions of acids vary widely, ranging from less than 1% to as high as 10%.

Washing and Dyeing Wastewater Treatment by Combined Nano ...
Washing and Dyeing Wastewater Treatment by Combined Nano ...

The washing and ,dyeing wastewater, with a certain velocity into the flocculation sedimentation tank, while adding nano flocculant, the ,waste water, and the nano flocculant mixed rapidly within the reactor settlement, removing most of the chroma and COD, and then the sludge discharged

Exploration of polyepoxysuccinic acid as a novel draw ...
Exploration of polyepoxysuccinic acid as a novel draw ...

dyeing wastewater, was prepared by adding 0.2 g dye to 1 L DI water and the concentration was similar to that of the actual ,wastewater,. The synthetic brackish water (0.3 M NaCl) was prepared by adding 17.55 g NaCl salt to 1 L DI water. NaCl was obtained from Sinopharm Chemical Reagent Co., Ltd (Shanghai). The PESA draw solution was obtained from the

Research progress of the physical and chemical treatment ...
Research progress of the physical and chemical treatment ...

irradiation treating acid red dye wastewater and activated charcoal was used as catalyst. The results showed that the re-moval rate can reach 96%~98% when concentration of acid red dye wastewater is 400mg/L, carbon dosage is 2.0g, microwave power is 800W, irradiation time is 6min. Generally speaking,

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

Air ,Dyeing, Technology is a ,dyeing, process that uses air instead of water to dye garments, allowing companies to create garments with vivid designs and colors, without polluting the water and environment [9]. Air ,Dyeing, Technology “ Figure 1 ” below indicates the benefits of Air ,dyeing, technology. • Uses 95 percent less water.

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

Air ,Dyeing, Technology is a ,dyeing, process that uses air instead of water to dye garments, allowing companies to create garments with vivid designs and colors, without polluting the water and environment [9]. Air ,Dyeing, Technology “ Figure 1 ” below indicates the benefits of Air ,dyeing, technology. • Uses 95 percent less water.

Washing and Dyeing Wastewater Treatment by Combined Nano ...
Washing and Dyeing Wastewater Treatment by Combined Nano ...

The washing and dyeing wastewater with a certain velocity into the flocculation sedimentation tank, while adding nano flocculant, the waste water and the nano flocculant mixed rapidly within the reactor settlement, removing most of the chroma and COD, and then the sludge discharged

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.

Pre-treatment of acetic acid from food processing ...
Pre-treatment of acetic acid from food processing ...

raw wastewater was contaminated with acetic acid and eliminated by pouring into the sludge drying area with other waste and let it evaporate naturally, which can affect humans and the environment inevitably.

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

One of the challenges in ,wastewater, treatment is the low efficiency in decoloring ,dyeing wastewater,. Chicken feather, as a waste material, has a great potential in decoloring the ,dyeing wastewater,. In this study, a lab synthesized ,dyeing wastewater, prepared with ,acid, blue-A dye

Toxicity Appraisal of Untreated Dyeing Industry Wastewater ...
Toxicity Appraisal of Untreated Dyeing Industry Wastewater ...

In this study, screening of the fractionated ,wastewater, through GC-MS showed the presence of phenols, phthalic ,acid, derivatives and chlorpyrifos. Metal analysis revealed that chromium, arsenic and mercury were present in amounts higher than the ,wastewater, discharge limits. Textile ,dyeing wastewater, was found to be highly mutagenic in the Ames test.

Research progress of the physical and chemical treatment ...
Research progress of the physical and chemical treatment ...

irradiation treating ,acid, red dye ,wastewater, and activated charcoal was used as catalyst. The results showed that the re-moval rate can reach 96%~98% when concentration of ,acid, red dye ,wastewater, is 400mg/L, carbon dosage is 2.0g, microwave power is 800W, irradiation time is 6min. Generally speaking,

EFFECT OF ACETIC ACID ON POLLUTANT DECOMPOSITION IN ...
EFFECT OF ACETIC ACID ON POLLUTANT DECOMPOSITION IN ...

Effect of ,acetic acid, on COD in ,dyeing wastewater, before and after the Fenton process. Amounts of FeSO 4⋅7H 2O – 1.6 g/dm 3, and H 2O 2 – 20 cm 3/dm3 . 34 L. KOS et al. In the case of the ,dyeing wastewater, with initial COD = 4170 mg O 2/dm 3, the dos-es of ,acetic acid, added were 0.4, 0.8, 2.1, 4.2 and 8.3 cm3/dm . Constant doses of fer-

Exploration of polyepoxysuccinic acid as a novel draw ...
Exploration of polyepoxysuccinic acid as a novel draw ...

dyeing wastewater was prepared by adding 0.2 g dye to 1 L DI water and the concentration was similar to that of the actual wastewater. The synthetic brackish water (0.3 M NaCl) was prepared by adding 17.55 g NaCl salt to 1 L DI water. NaCl was obtained from Sinopharm Chemical Reagent Co., Ltd (Shanghai). The PESA draw solution was obtained from the

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