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Acid wastewater is mainly hydrochloric acid

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 wastewater is mainly hydrochloric acid
Optimisation of the biological wastewater treatment ...
Optimisation of the biological wastewater treatment ...

Optimisation of the biological ,wastewater, treatment process through the use of an innovative method of peracetic ,acid, neutralisation and ,improvement, of the activated sludge condition of the bioreactor The subject of the project is the optimisation of the biological process of ,wastewater, treatment based on reducing the presence of sulphate ions in ,wastewater,, improving […]

Improvement of n -caproic acid production with ...
Improvement of n -caproic acid production with ...

25/6/2018, · Global energy and resource shortages make it necessary to quest for renewable resources. n-Caproic acid (CA) production based on carboxylate platform by anaerobic fermentation is booming. Recently, a novel Ruminococcaceae bacterium CPB6 is shown to be a potential biotransformation factory for CA production from lactate-containing wastewater.

Improvement of chromotropic acid spectrophotometry for ...
Improvement of chromotropic acid spectrophotometry for ...

The improved chromotropic ,acid, spectrophotometry achieved the accurate determination of high concentration methanol in the ,wastewater,. The test results indicated that there is a good linear relationship between methanol percentage and absorbance (r = 0.999 6) under the optimum experiment conditions in the mass concentration range of 0 similar to 150 mg times L super(-1).

Optimisation of the biological wastewater treatment ...
Optimisation of the biological wastewater treatment ...

Optimisation of the biological ,wastewater, treatment process through the use of an innovative method of peracetic ,acid, neutralisation and ,improvement, of the activated sludge condition of the bioreactor The subject of the project is the optimisation of the biological process of ,wastewater, treatment based on reducing the presence of sulphate ions in ,wastewater,, improving […]

Study on treatment technology improvement of acid ...
Study on treatment technology improvement of acid ...

This article provides some solutions to the ,improvement, of ,waste water, treatment system in Guangzhou Copper Co. Ltd., subsidiary company of GISE, such as focusing on the management to the ,waste water, discharge, adding ceilings to store the sludge temporarily, and improving the property of the fan to enhance the blending ability in the process of ,waste water, discharge, etc.

Improvement of chromotropic acid spectrophotometry for ...
Improvement of chromotropic acid spectrophotometry for ...

The improved chromotropic ,acid, spectrophotometry achieved the accurate determination of high concentration methanol in the ,wastewater,. The test results indicated that there is a good linear relationship between methanol percentage and absorbance (r = 0.999 6) under the optimum experiment conditions in the mass concentration range of 0 similar to 150 mg times L super(-1).

Treatment of Petrochemical Wastewater by Acid ...
Treatment of Petrochemical Wastewater by Acid ...

The treatment of this ,wastewater, with 1 N sulfuric ,acid, (pH 2.0) at 25°C resulted in the removal of 53.2% of the COD, > 90 % of TA, and > 60 % of BA in the form of solid precipitate. Subsequent treatment of the clear supernatant with granular activated carbon (GAC) resulted in an overall removal of > 99 % of TA and BA in addition to 82.7% of the COD.

(PDF) Improvement of Wastewater Treatment Performance and ...
(PDF) Improvement of Wastewater Treatment Performance and ...

In this study, biodegradation performance and power generation in MFCs were improved. Domestic ,wastewater, was biodegraded in a dual-chamber MFC system equipped with a DupontTM Nafion ® 117 proton exchange membrane, graphite electrodes (8.0 cm × 2.5

Study on treatment technology improvement of acid ...
Study on treatment technology improvement of acid ...

This article provides some solutions to the ,improvement, of ,waste water, treatment system in Guangzhou Copper Co. Ltd., subsidiary company of GISE, such as focusing on the management to the ,waste water, discharge, adding ceilings to store the sludge temporarily, and improving the property of the fan to enhance the blending ability in the process of ,waste water, discharge, etc.

Process Improvement For Arsenic Removal From Dirty Acid ...
Process Improvement For Arsenic Removal From Dirty Acid ...

Process ,improvement, for arsenic removal from dirty ,acid wastewater, 2 nd World Conference on Industrial Chemistry and Water Treatment. Dongyun Du. South-Central University for Nationalities, China. ScientificTracks Abstracts: Ind Chem. DOI: 10.4172/2469-9764-C1-005

Bio-based production of crotonic acid from wastewater ...
Bio-based production of crotonic acid from wastewater ...

Bio-based production of crotonic acid from wastewater The overall aim of the project is to develop a competitive route towards crotonic acid. This route consists of the anaerobic biotechnological conversion of waste into volatile fatty acids (VFAs), the recovery of these VFAs from the broth, and use as feedstock for the aerobic biotechnological conversion into PHA.

A significant improvement of scheelite recovery using ...
A significant improvement of scheelite recovery using ...

The research demonstrates an efficient, innovative and environmentally friendly technology which uses one waste (waste acid) to treat another (wastewater) and significantly improves the scheelite roughing recovery by 5% compared with the same periods of previous years in the winter times.

(PDF) Improvement of Wastewater Treatment Performance and ...
(PDF) Improvement of Wastewater Treatment Performance and ...

In this study, biodegradation performance and power generation in MFCs were improved. Domestic ,wastewater, was biodegraded in a dual-chamber MFC system equipped with a DupontTM Nafion ® 117 proton exchange membrane, graphite electrodes (8.0 cm × 2.5

Water and Wastewater Disinfection with Peracetic Acid and ...
Water and Wastewater Disinfection with Peracetic Acid and ...

The individual methods of disinfection peracetic ,acid, (PAA) and UV radiation and combined process PAA/UV in water (synthetic) and sanitary ,wastewater, were employed to verify the individual and combined action of these advanced oxidative processes on the effectiveness of inactivation of microorganisms indicators of fecal contamination E. coli , total coliforms (in the case of sanitary ,wastewater,…

Improvement of n -caproic acid production with ...
Improvement of n -caproic acid production with ...

25/6/2018, · Global energy and resource shortages make it necessary to quest for renewable resources. n-Caproic acid (CA) production based on carboxylate platform by anaerobic fermentation is booming. Recently, a novel Ruminococcaceae bacterium CPB6 is shown to be a potential biotransformation factory for CA production from lactate-containing wastewater.

Zero-Liquid Discharge Treatment of Wastewater from a ...
Zero-Liquid Discharge Treatment of Wastewater from a ...

Abstract: This article describes the improvement of wastewater treatment in a fertilizer plant located in Central Italy (municipality of Vasto). In this facility, water is used for the removal of dust and fluorinated gases from the air. The resulting wastewater contains fluorides and phosphates in hazardous forms.

Treatment of Petrochemical Wastewater by Acid ...
Treatment of Petrochemical Wastewater by Acid ...

The treatment of this ,wastewater, with 1 N sulfuric ,acid, (pH 2.0) at 25°C resulted in the removal of 53.2% of the COD, > 90 % of TA, and > 60 % of BA in the form of solid precipitate. Subsequent treatment of the clear supernatant with granular activated carbon (GAC) resulted in an overall removal of > 99 % of TA and BA in addition to 82.7% of the COD.

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