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Composition of acid nitrogenous 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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Composition of acid nitrogenous wastewater
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,

Adsorption of Acid Dyes from Wastewater on Saudi Bentonite ...
Adsorption of Acid Dyes from Wastewater on Saudi Bentonite ...

Wastewater, contains different types of pollutants in varying amount and concentrations. Among these, presence of dyes is of major concern for ,wastewater, treatment. The main aim of this study is to determine equilibrium and kinetic parameters necessary to design a batch adsorber for the adsorption of ,acid dye, 25 by Saudi bentonite clay.

Pre-treatment of High-Strength Acid Dye Wastewater with ...
Pre-treatment of High-Strength Acid Dye Wastewater with ...

Abstract: It was studied that the performance of the internal electrolysis-Fenton process in pre-treating of the high-strength refractory ,acid dye wastewater,. The sequencing comparative experiments were carried out and it was determined that the internal electrolysis-Fenton process was superior to the traditional one in terms of treatment effect.

CN103755088A - Treatment method of acid dye mother liquor ...
CN103755088A - Treatment method of acid dye mother liquor ...

According to the treatment method, the collected acid dye mother liquor wastewater is subjected to acidification, microelectrolysis, flocculation, concentration and crystallization and separation,...

Adsorption of Acid Dyes from Wastewater on Saudi Bentonite ...
Adsorption of Acid Dyes from Wastewater on Saudi Bentonite ...

Wastewater, contains different types of pollutants in varying amount and concentrations. Among these, presence of dyes is of major concern for ,wastewater, treatment. The main aim of this study is to determine equilibrium and kinetic parameters necessary to design a batch adsorber for the adsorption of ,acid dye, 25 by Saudi bentonite clay.

Adsorption of Acid Dyes from Wastewater on Saudi Bentonite ...
Adsorption of Acid Dyes from Wastewater on Saudi Bentonite ...

Adsorption of Acid Dyes from Wastewater on Saudi Bentonite Clay: Abdulrahman G. Alshammari: Abstract: Wastewater contains different types of pollutants in varying amount and concentrations. Among these, presence of dyes is of major concern for wastewater treatment.

Adsorption of Acid Dyes from Wastewater on Saudi Bentonite ...
Adsorption of Acid Dyes from Wastewater on Saudi Bentonite ...

Wastewater contains different types of pollutants in varying amount and concentrations. Among these, presence of dyes is of major concern for wastewater treatment. The main aim of this study is to determine equilibrium and kinetic parameters necessary to design a batch adsorber for the adsorption of acid dye 25 by Saudi bentonite clay.

Treatment of strong acid dye wastewater by solvent ...
Treatment of strong acid dye wastewater by solvent ...

15/3/2005, · The acid dye intermediates, 1-diazo-2-naphthol-4-sulfonic acid wastewater, treatment by using solvent (trialkylamine N 235) extraction, and the raffinate treatment by hydrogen peroxide catalytic oxidation were studied. The extraction and stripping conditions were tested and the optimum process parameters were obtained.

(PDF) Removal of Acid Orange 7 Dye from Wastewater: Review
(PDF) Removal of Acid Orange 7 Dye from Wastewater: Review

PDF | On Feb 1, 2020, Helanka Jayani Perera published Removal of ,Acid, Orange 7 ,Dye, from ,Wastewater,: Review | Find, read and cite all the research you need on ResearchGate

Pre-treatment of High-Strength Acid Dye Wastewater with ...
Pre-treatment of High-Strength Acid Dye Wastewater with ...

Abstract: It was studied that the performance of the internal electrolysis-Fenton process in pre-treating of the high-strength refractory ,acid dye wastewater,. The sequencing comparative experiments were carried out and it was determined that the internal electrolysis-Fenton process was superior to the traditional one in terms of treatment effect.

SIMULATED ACID AZO DYE WASTEWATER TREATMENT USING ...
SIMULATED ACID AZO DYE WASTEWATER TREATMENT USING ...

Simulated azo dye wastewater Acid Black EBR H/C (C.I Acid black 210), an acid dye belonging to azo (metal complex) chemical group was used in this study (gifted by M/s Atul Chemical Ltd, India). This dye was normally used for dyeing cotton and woolen fabric and has a solubility of 30 g/l at 90 °C.

CN103755088A - Treatment method of acid dye mother liquor ...
CN103755088A - Treatment method of acid dye mother liquor ...

According to the treatment method, the collected ,acid dye, mother liquor ,wastewater, is subjected to acidification, microelectrolysis, flocculation, concentration and crystallization and separation, thereby obtaining high-quality sodium salt damp products, and the sodium salt damp products can be recycled to industrial production after being dried, and distilled water and cooled water can be recycled to …

Removal of Dyes from Textile Industrial Wastewater using ...
Removal of Dyes from Textile Industrial Wastewater using ...

The effectiveness of adsorption for ,dye removal, from wastewaters has made it an ideal alternative to other expensive treatment methods. The result showed that as the amount of adsorbent increase, the percentage of ,dye, removed from the water also increased. Sulphuric ,acid, …

Adsorption of Acid Dyes from Wastewater on Saudi Bentonite ...
Adsorption of Acid Dyes from Wastewater on Saudi Bentonite ...

Adsorption of ,Acid, Dyes from ,Wastewater, on Saudi Bentonite Clay: Abdulrahman G. Alshammari: Abstract: ,Wastewater, contains different types of pollutants in varying amount and concentrations. Among these, presence of dyes is of major concern for ,wastewater, treatment.

(PDF) Biological treatment of acid dyeing wastewater using ...
(PDF) Biological treatment of acid dyeing wastewater using ...

The process units consisted of an anaerobic UASB reactor and an aerobic CSTR reactor. Glucose, alkalinity and azo dyes were added to the raw acid dyeing wastewater in order to simulate the dye industry wastewater since the raw wastewater contained low levels of carbon, NaHCO3 and color through anaerobic/aerobic sequential treatment.

Wastewater treatment - Sludge treatment and disposal ...
Wastewater treatment - Sludge treatment and disposal ...

Wastewater, treatment - ,Wastewater, treatment - ,Sludge treatment, and disposal: The residue that accumulates in sewage treatment plants is called sludge (or biosolids). Sewage sludge is the solid, semisolid, or slurry residual material that is produced as a by-product of ,wastewater, treatment processes. This residue is commonly classified as primary and secondary sludge.

Improvement of L(+)‐lactic acid production from cassava ...
Improvement of L(+)‐lactic acid production from cassava ...

BACKGROUND: L (+)‐Lactic ,acid, is used in the pharmaceutical, textile and food industries as well as in the synthesis of biodegradable plastics. The aim of this study was to investigate the effects of different medium components added in cassava ,wastewater, for the production of L (+)‐lactic ,acid, by ,Lactobacillus, rhamnosus B 103.

Experimental study of dye removal from industrial ...
Experimental study of dye removal from industrial ...

5/12/2012, · Wastewater with acid dye treated by RO or NF membranes result in lower rejection and higher permeates flux than wastewater with reactive dyes. It was found that the order of effect of the operating variables on dye removal of NF and RO membranes was …

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