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Lime is commonly used as neutralizing agent in neutralization treatment of 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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Lime is commonly used as neutralizing agent in neutralization treatment of acid wastewater
Pollution Control In Dye Industry | CivilDigital
Pollution Control In Dye Industry | CivilDigital

15/3/2017, · 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; Care must be taken while neutralising these liquors as …

Toxicity of Disperse Dyes and its Removal from Wastewater ...
Toxicity of Disperse Dyes and its Removal from Wastewater ...

Liu et al. 54 used UV irradiation and titanium dioxide (TiO 2) catalysis for the decomposition of azo ,dye, and demonstrated that TiO 2 has photocatalytic efficiency for azo ,dye acid, black 1 in water. Bin and Sobera-Madej 55 studied the photocatalytic decomposition of textile dyes on TiO 2 -titania A11 and TiO 2 …

Dye - Wikipedia
Dye - Wikipedia

Usually acetic acid is added to the dye bath to help the uptake of the dye onto the fiber. Basic dyes are also used in the coloration of paper . Direct or substantive dyeing is normally carried out in a neutral or slightly alkaline dye bath, at or near boiling point , with the addition of either sodium chloride (NaCl) or sodium sulfate (Na 2 SO 4 ) or sodium carbonate (Na 2 CO 3 ).

Brief History of Dyes - Assignment Point
Brief History of Dyes - Assignment Point

The ,wastewater, is typically ,alkaline, and contains solids, oils and potentially toxic organics, such as phenols from dyeing and halogenated organics from bleaching. ,Dye, wastewaters are frequently highly colored and may contain heavy metals such as copper and chromium.

What Are The Characteristics Of Acid-base Wastewater And ...
What Are The Characteristics Of Acid-base Wastewater And ...

Acidic ,wastewater, is mainly from iron and steel plants, chemical plants, ,dye, plants, electroplating plants and mines, etc., which contain various harmful substances or heavy metal salts. The mass fractions of acids vary greatly, with low ones less than 1% and high ones greater than 10%.

Polyethylenimine-crosslinked chitin flake as a biosorbent ...
Polyethylenimine-crosslinked chitin flake as a biosorbent ...

water [3]. In general, 1,000 mg/L of ,dye, is used as a staining solu-tion, and 100 mg/L of ,dye, remains in the staining ,wastewater, [4]. As such, the discharge of dark-colored ,wastewater, can reduce the photosynthesis of aquatic organisms by suppressing the penetra-tion of sunlight. In addition, some dyes have been reported to pro-

Brief History of Dyes - Assignment Point
Brief History of Dyes - Assignment Point

The ,wastewater, is typically ,alkaline, and contains solids, oils and potentially toxic organics, such as phenols from dyeing and halogenated organics from bleaching. ,Dye, wastewaters are frequently highly colored and may contain heavy metals such as copper and chromium.

Brief History of Dyes - Assignment Point
Brief History of Dyes - Assignment Point

The ,wastewater, is typically ,alkaline, and contains solids, oils and potentially toxic organics, such as phenols from dyeing and halogenated organics from bleaching. ,Dye, wastewaters are frequently highly colored and may contain heavy metals such as copper and chromium.

Microbial degradation of textile industry effluents: A review
Microbial degradation of textile industry effluents: A review

dyes commonly include ,acid,, reactive and direct dyes. Only one type of cationic ,dye, being utilized in textile industry is basic dyes. Nonionic dyes which do not undergo ionization in solution are disperse dyes [39]. Table 1. Some azo dyes are as follow ,Dye, Type Chemical nature References Direct blue Direct ,dye, Diazodye [40]

Dye - Wikipedia
Dye - Wikipedia

Usually acetic acid is added to the dye bath to help the uptake of the dye onto the fiber. Basic dyes are also used in the coloration of paper . Direct or substantive dyeing is normally carried out in a neutral or slightly alkaline dye bath, at or near boiling point , with the addition of either sodium chloride (NaCl) or sodium sulfate (Na 2 SO 4 ) or sodium carbonate (Na 2 CO 3 ).

Removal of Dyes from Wastewater Using Flyash a Low-Cost ...
Removal of Dyes from Wastewater Using Flyash a Low-Cost ...

Treatment of Direct Blending ,Dye Wastewater, and Recycling of ,Dye, Sludge. Molecules 2012, 17 (3) , 2784-2795. ... Adsorption of methylene blue on mesoporous carbons prepared using ,acid,- and ,alkaline,-treated zeolite X as the template. Colloids and Surfaces A: Physicochemical and Engineering Aspects 2009, 333 (1-3) ...

Acid Base Wastewater Treatment Resin SUZHOU - ECeurope Market
Acid Base Wastewater Treatment Resin SUZHOU - ECeurope Market

Alkaline wastewater, mainly comes from printing and dyeing factories, leather factories, paper mills, oil refineries, etc. When ,wastewater, is treated, it will encounter organic alkali or inorganic alkali. The use of resin to treat ,acid,-base ,wastewater, effluent can easily meet the …

What Are The Characteristics Of Acid-base Wastewater And ...
What Are The Characteristics Of Acid-base Wastewater And ...

Acidic ,wastewater, is mainly from iron and steel plants, chemical plants, ,dye, plants, electroplating plants and mines, etc., which contain various harmful substances or heavy metal salts. The mass fractions of acids vary greatly, with low ones less than 1% and high ones greater than 10%.

Toxicity of Disperse Dyes and its Removal from Wastewater ...
Toxicity of Disperse Dyes and its Removal from Wastewater ...

Liu et al. 54 used UV irradiation and titanium dioxide (TiO 2) catalysis for the decomposition of azo ,dye, and demonstrated that TiO 2 has photocatalytic efficiency for azo ,dye acid, black 1 in water. Bin and Sobera-Madej 55 studied the photocatalytic decomposition of textile dyes on TiO 2 -titania A11 and TiO 2 -degussa P25.

Removal of Dyes from Wastewater Using Flyash a Low-Cost ...
Removal of Dyes from Wastewater Using Flyash a Low-Cost ...

Treatment of Direct Blending ,Dye Wastewater, and Recycling of ,Dye, Sludge. Molecules 2012, 17 (3) , 2784-2795. ... Adsorption of methylene blue on mesoporous carbons prepared using ,acid,- and ,alkaline,-treated zeolite X as the template. Colloids and Surfaces A: Physicochemical and Engineering Aspects 2009, 333 (1-3) ...

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

15/3/2017, · 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; Care must be taken while neutralising these liquors as acid may liberate hydrogen sulfide gas.

Polyethylenimine-crosslinked chitin flake as a biosorbent ...
Polyethylenimine-crosslinked chitin flake as a biosorbent ...

water [3]. In general, 1,000 mg/L of ,dye, is used as a staining solu-tion, and 100 mg/L of ,dye, remains in the staining ,wastewater, [4]. As such, the discharge of dark-colored ,wastewater, can reduce the photosynthesis of aquatic organisms by suppressing the penetra-tion of sunlight. In addition, some dyes have been reported to pro-

Toxicity of Disperse Dyes and its Removal from Wastewater ...
Toxicity of Disperse Dyes and its Removal from Wastewater ...

Liu et al. 54 used UV irradiation and titanium dioxide (TiO 2) catalysis for the decomposition of azo ,dye, and demonstrated that TiO 2 has photocatalytic efficiency for azo ,dye acid, black 1 in water. Bin and Sobera-Madej 55 studied the photocatalytic decomposition of textile dyes on TiO 2 -titania A11 and TiO 2 …

Recycling of Waste Sludge: Preparation and Application of ...
Recycling of Waste Sludge: Preparation and Application of ...

The surface groups were mainly acidic groups, while the ,alkaline, groups were less, and the choice of zinc chloride as activator was beneficial to the formation of acidic groups. Shanghai east district sewage treatment plant: Loading manganese: Chemical activation method (,acid, and salt activation: ZnCl 2, H 2 SO 4) Oxalic ,acid wastewater

Microbial degradation of textile industry effluents: A review
Microbial degradation of textile industry effluents: A review

dyes commonly include ,acid,, reactive and direct dyes. Only one type of cationic ,dye, being utilized in textile industry is basic dyes. Nonionic dyes which do not undergo ionization in solution are disperse dyes [39]. Table 1. Some azo dyes are as follow ,Dye, Type Chemical nature References Direct blue Direct ,dye, …

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