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Acid Phosphating Wastewater and alkaline zinc containing 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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Acid Phosphating Wastewater and alkaline zinc containing wastewater
HJ 861-2017 PDF. - Chinese Standard
HJ 861-2017 PDF. - Chinese Standard

Acid, (acetic ,acid,, malic ,acid,, tartaric ,acid,, succinic ,acid,, sulfuric ,acid,, hydrochloric ,acid,), alkali agent (caustic soda, soda ash, ammonia water), oxidant (chlorine dioxide, Liquid chlorine, hydrogen peroxide, sodium hypochlorite), reducing agent (sulfur dioxide, insurance powder, sodium sulfate), biological enzymes, staple fiber velvet, release paper, additives

Process optimization and mechanism study of acid red G ...
Process optimization and mechanism study of acid red G ...

On the other hand, the ,dyeing, process also involves a large consumption of water. With the rapid development of the ,dyeing, industry, its emissions account for a growth inthe proportion of industrial ,wastewater, discharge, and it has become one of the key pollution sources in the industry [1].

The Dependence of Oxidation Parameters and Dyes' Molecular ...
The Dependence of Oxidation Parameters and Dyes' Molecular ...

30/11/2019, · Dye has been widely used in practical applications closely relevant to human life such as textile, paper, leather, ,printing,, ,dyeing, and other industries. 1 However, due to its innate toxicity, carcinogenicity, and refractory biodegradable dye ,wastewater, and intermediates, 2 it has caused huge damages to water and environment, as well as human health. 3,4 It is generally acknowledged that dye …

Cotton Dyeing Wastewater Characteristics and its Treatment ...
Cotton Dyeing Wastewater Characteristics and its Treatment ...

Textile ,wastewater, often contains a mix of chemicals, solvents and additives which require numerous physical and chemical treatment methods which can tolerate wide range of pollutants. Application of adsorption treatment for textile ,wastewater, has been studied for years. However, there is very limited data available on the development of eco-friendly composite adsorbent derived from coconut ...

Biosorptive Decontamination of Acid Red-87 Dye from ...
Biosorptive Decontamination of Acid Red-87 Dye from ...

dye (,Acid Red,-87 dye) from aqueous media. The structure of dye molecule is shown in Fig. 1. Figure 1. ,Acid Red,-87 dye (Also known as eosin yellow) It is a fluorescent dye usually employed in detergents, hair dyes, cosmetics, histology, photovoltaic devices, nano-scale host material, color filter, and in inks used for detection of latent ...

HJ 861-2017 PDF. - Chinese Standard
HJ 861-2017 PDF. - Chinese Standard

Acid, (acetic ,acid,, malic ,acid,, tartaric ,acid,, succinic ,acid,, sulfuric ,acid,, hydrochloric ,acid,), alkali agent (caustic soda, soda ash, ammonia water), oxidant (chlorine dioxide, Liquid chlorine, hydrogen peroxide, sodium hypochlorite), reducing agent (sulfur dioxide, insurance powder, sodium sulfate), biological enzymes, staple fiber velvet, release paper, additives

Pollution Control In Dye Industry | CivilDigital
Pollution Control In Dye Industry | CivilDigital

15/3/2017, · The volume of effluent generated in ,dyeing, is comparatively more. It contains dyes, mordants, acids (acetic ,acid,), alkalis, nitrites, chromium salts, sodium chloride and soaps. These effluents are usually hot, highly coloured with a high pH and sulfide ,content

TREATMENT OF TEXTILE DYE WASTEWATER BY CHROMIUM …
TREATMENT OF TEXTILE DYE WASTEWATER BY CHROMIUM …

Dyeing, and ,printing wastewater, are highly colored and have a high BOD and COD and sodium ,content,. The ,wastewater, is however, amenable for treatment for ... respectively. “Solutions A” was slowly added to “solution ,B,”. The chelating agent, citric ,acid,, was added to this resultant solution.

“Use of lignin-based carbons for decolorization of ...
“Use of lignin-based carbons for decolorization of ...

The obtained carbon materials displayed excellent adsorption-decolorization abilities for 5 dyes, including ethyl violet, malachite green, cationic brilliant ,red,, ,acid, blue 92, and direct ,red, 23. The concentrations of these 5 dyes in ,wastewater, were reduced by SLS-C from 20 mg/L to 0.12 mg/L, 0.20 mg/L, 0.32 mg/L, 0.78 mg/L, and 3.77 mg/L, respectively, over a 60 min treatment.

Sustainability | Free Full-Text | Comparison of Different ...
Sustainability | Free Full-Text | Comparison of Different ...

Printing and dyeing wastewater, (PDW) is considered to be one of the most difficult industrial wastewaters to treat because of its large quantities, high pH values, and high color and toxicity, which may endanger the lives of animals and humans. In this study, we assessed the chemical decolorization process of Congo ,Red, in azo dyes using response surface methodology (RSM), and the effect of ...

TREATMENT OF TEXTILE DYE WASTEWATER BY CHROMIUM …
TREATMENT OF TEXTILE DYE WASTEWATER BY CHROMIUM …

Dyeing, and ,printing wastewater, are highly colored and have a high BOD and COD and sodium ,content,. The ,wastewater, is however, amenable for treatment for ... respectively. “Solutions A” was slowly added to “solution ,B,”. The chelating agent, citric ,acid,, was added to this resultant solution.

The Dependence of Oxidation Parameters and Dyes' Molecular ...
The Dependence of Oxidation Parameters and Dyes' Molecular ...

30/11/2019, · Dye has been widely used in practical applications closely relevant to human life such as textile, paper, leather, ,printing,, ,dyeing, and other industries. 1 However, due to its innate toxicity, carcinogenicity, and refractory biodegradable dye ,wastewater, and intermediates, 2 it has caused huge damages to water and environment, as well as human health. 3,4 It is generally acknowledged that …

TREATMENT OF TEXTILE DYE WASTEWATER BY CHROMIUM …
TREATMENT OF TEXTILE DYE WASTEWATER BY CHROMIUM …

Dyeing, and ,printing wastewater, are highly colored and have a high BOD and COD and sodium ,content,. The ,wastewater, is however, amenable for treatment for ... respectively. “Solutions A” was slowly added to “solution ,B,”. The chelating agent, citric ,acid,, was added to this resultant solution.

Sustainability | Free Full-Text | Comparison of Different ...
Sustainability | Free Full-Text | Comparison of Different ...

Printing and dyeing wastewater, (PDW) is considered to be one of the most difficult industrial wastewaters to treat because of its large quantities, high pH values, and high color and toxicity, which may endanger the lives of animals and humans. In this study, we assessed the chemical decolorization process of Congo ,Red, in azo dyes using response surface methodology (RSM), and the effect of ...

Performance evaluation of novel PVDF–Cloisite 15A hollow ...
Performance evaluation of novel PVDF–Cloisite 15A hollow ...

When tested using a ,dyeing, solution containing 50 ppm ,acid red, and 1.0 M NaCl, the membrane flux was reported to enhance by 200% and 25% on increasing the feed temperature from 50 to 90 °C and the flow rate from 0.010 to 0.023 m s −1, respectively.

Study on the degradation mechanism and pathway of benzene ...
Study on the degradation mechanism and pathway of benzene ...

4, n-hexane, formic ,acid,, acetic ,acid, and oxalic ,acid, werereceivedfromSinopharmChemicalReagentCo.,Ltd.The physical and chemical properties of 4M2NA are shown in Table 1. 2.2 Experimental setup The4M2NAwastewatersample(500mL)wasputinabeaker(1L) with a magnetic stirrer. The initial solution pH was adjusted to Table 1 Physical and chemical …

Process optimization and mechanism study of acid red G ...
Process optimization and mechanism study of acid red G ...

On the other hand, the ,dyeing, process also involves a large consumption of water. With the rapid development of the ,dyeing, industry, its emissions account for a growth inthe proportion of industrial ,wastewater, discharge, and it has become one of the key pollution sources in the industry [1].

Biosorptive Decontamination of Acid Red-87 Dye from ...
Biosorptive Decontamination of Acid Red-87 Dye from ...

dye (,Acid Red,-87 dye) from aqueous media. The structure of dye molecule is shown in Fig. 1. Figure 1. ,Acid Red,-87 dye (Also known as eosin yellow) It is a fluorescent dye usually employed in detergents, hair dyes, cosmetics, histology, photovoltaic devices, nano-scale host material, color filter, and in inks used for detection of latent ...

“Use of lignin-based carbons for decolorization of ...
“Use of lignin-based carbons for decolorization of ...

The obtained carbon materials displayed excellent adsorption-decolorization abilities for 5 dyes, including ethyl violet, malachite green, cationic brilliant ,red,, ,acid, blue 92, and direct ,red, 23. The concentrations of these 5 dyes in ,wastewater, were reduced by SLS-C from 20 mg/L to 0.12 mg/L, 0.20 mg/L, 0.32 mg/L, 0.78 mg/L, and 3.77 mg/L, respectively, over a 60 min treatment.

Effective Removal of Congo Red by Triarrhena Biochar ...
Effective Removal of Congo Red by Triarrhena Biochar ...

Congo ,red, 1-naphthalenesulfonic ,acid,, 3, 3-(4, 4-biphenylenebis (azo) bis (4-amino) disodium salt, as one of the most widely used direct dyes in PDI for its high chromaticity, is the critical source contamination of ,wastewater, with high chemical oxygen demand and high biological toxicity [9–14].

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