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COD 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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COD of acid wastewater
Removal of dichloromethane from waste gas streams using a ...
Removal of dichloromethane from waste gas streams using a ...

The performance of a hybrid bubble column/biofilter (HBCB) bioreactor for the removal of ,dichloromethane, (DCM) from waste gas streams was studied in continuous mode for several months. The HBCB bioreactor consisted of two compartments: bubble column bioreactor removing DCM from liquid phase and biofilter removing DCM from gas phase. Effect of inlet DCM concentration on the …

Novel dichloromethane-fermenting bacteria in the ...
Novel dichloromethane-fermenting bacteria in the ...

15/1/2021, · ,Dichloromethane, (DCM; CH2Cl2) is a ... cultures were instead buffered with 3-morpholinopropane-1-sulfonic ,acid, ... Sillanpää M. Removal of ,dichloromethane, from ground and ,wastewater,…

Aerobic Dechlorination of Dichloromethane Using ...
Aerobic Dechlorination of Dichloromethane Using ...

formulated from canola oil, and Xanthobacter autotrophicus strain GJ10 for an aerobic dichloromethane (DCM)-dechlorinating microorganism. The continuous culture was a chemostat constructed using a 1 L screw-capped bottle containing artificial wastewater medium with 2.0 mM DCM and 1.0% (v/v) BD-C. The

Aerobic Dechlorination of Dichloromethane Using ...
Aerobic Dechlorination of Dichloromethane Using ...

1/11/2017, · It is important to construct microbiological treatment systems for organic solvent-contaminated water. We developed a continuous culture supplemented with a biostimulation agent named BD-C, which is formulated from canola oil, and Xanthobacter autotrophicus strain GJ10 for an aerobic ,dichloromethane, (DCM)-dechlorinating microorganism.

Determination of volatile fatty acids in wastewater by ...
Determination of volatile fatty acids in wastewater by ...

Liquid-liquid extraction (LLE) method employing ,dichloromethane, (DCM) and methyl-tert-butyl-ether (MTBE) as extracting solvents was used during the quantitative analysis of volatile fatty acids namely acetic, propionic, butyric, isobutyric, valeric, isovaleric and heptanoic ,acid,.

Removal of dichloromethane from ground and wastewater: A ...
Removal of dichloromethane from ground and wastewater: A ...

The volatile nature of DCM causes air pollution at ,wastewater, treatment plants. During the aeration stage in aerobic treatment facilities up to 38% of DCM are emitted into the atmosphere (Herbst and Wiesmann, 1996;Hsieh, 2000;Wu et al., 2009).

Dichloromethane | CH2Cl2 | ChemSpider
Dichloromethane | CH2Cl2 | ChemSpider

Dichloromethane ( DCM or methylene chloride) is an organochloride compound with the formula C H 2 Cl 2. This colorless, volatile liquid with a chloroform -like, sweet odour is widely used as a solvent. Although it is not miscible with water, it is polar, and miscible with many organic solvent s.

Simultaneous determination of 24 opioids stimulants and ...
Simultaneous determination of 24 opioids stimulants and ...

1/1/2019, · The cartridges were washed with sodium acetate buffer (6 mL), 0.1 M acetic ,acid, (2 mL) and methanol (6 mL). Analytes were then eluted with a mixture of ,dichloromethane,:isopropanol:ammonia (80:16:4, 6 mL)and evaporated to 200 μL under nitrogen at 40 °C, when 1% hydrochloric ,acid, in methanol was added, then evaporated to dryness.

Aerobic Dechlorination of Dichloromethane Using ...
Aerobic Dechlorination of Dichloromethane Using ...

formulated from canola oil, and Xanthobacter autotrophicus strain GJ10 for an aerobic ,dichloromethane, (DCM)-dechlorinating microorganism. The continuous culture was a chemostat constructed using a 1 L screw-capped bottle containing artificial ,wastewater, medium with 2.0 mM DCM and 1.0% (v/v) BD-C. The

Dichloromethane - Disposal Methods
Dichloromethane - Disposal Methods

Dichloromethane, CAS RN: 75-09-2 Disposal Methods. Generators of waste (equal to or greater than 100 kg/mo) containing this contaminant, EPA hazardous waste numbers U080 and F002, must conform with USEPA regulations in storage, transportation, treatment and disposal of waste. Code of ...

Removal of dichloromethane from waste gas streams using a ...
Removal of dichloromethane from waste gas streams using a ...

The performance of a hybrid bubble column/biofilter (HBCB) bioreactor for the removal of ,dichloromethane, (DCM) from waste gas streams was studied in continuous mode for several months. The HBCB bioreactor consisted of two compartments: bubble column bioreactor removing DCM from liquid phase and biofilter removing DCM from gas phase. Effect of inlet DCM concentration on the …

Extraction of DMAC from the pharmaceutical wastewater by a ...
Extraction of DMAC from the pharmaceutical wastewater by a ...

Extraction of DMAC from the pharmaceutical ,wastewater, by a multistagecountercurrent model. References. K. Pazdaior, J. Wrebiak, Influence of ozonation and biodegradation on toxicity of industrial textile ,wastewater,, J. Environ. Manage., 195 (2016) 166–173. J.F. Pérez, J. Llanos, Treatment of real effluents from the pharmaceutical ...

Dichloromethane | CH2Cl2 | ChemSpider
Dichloromethane | CH2Cl2 | ChemSpider

Dichloromethane, ( DCM or methylene chloride) is an organochloride compound with the formula C H 2 Cl 2. This colorless, volatile liquid with a chloroform -like, sweet odour is widely used as a solvent. Although it is not miscible with water, it is polar, and miscible with many organic solvent s.

Extraction of DMAC from the pharmaceutical wastewater by a ...
Extraction of DMAC from the pharmaceutical wastewater by a ...

Extraction of DMAC from the pharmaceutical ,wastewater, by a multistagecountercurrent model. References. K. Pazdaior, J. Wrebiak, Influence of ozonation and biodegradation on toxicity of industrial textile ,wastewater,, J. Environ. Manage., 195 (2016) 166–173. J.F. Pérez, J. Llanos, Treatment of real effluents from the pharmaceutical ...

Removal of dichloromethane from ground and wastewater: A ...
Removal of dichloromethane from ground and wastewater: A ...

Dichloromethane, (DCM) is a toxic volatile compound which is found in the ground waters and wastewaters of the pharmaceutical, chemical, textile, metal-working and petroleum industries.

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