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How high is COD of carbonic acid oily 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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How high is COD of carbonic acid oily wastewater
(PDF) Efficiency of electrochemical denitrification using ...
(PDF) Efficiency of electrochemical denitrification using ...

Wastewater, Treatment Laboratory, Water Research and Technologies Center (CERTE), Echopark Borj Cedria, BP 273, Soliman 8020, Tunisia Tel. +216 79 325 044; Fax: +216 79 325 802; email: hanene ...

APPLICATION OF ELECTROCOAGULATION IN WASTEWATER …
APPLICATION OF ELECTROCOAGULATION IN WASTEWATER …

electrode, which is 99%, 100%, and 62% for voltage of 15V and ,electrolysis, time of 60min. also, ,Iron electrode, removes the 100% Phosphate for 15V and 60min [4]. Alex (2015) used Aluminum and Stainless steel electrodes as MP-P, where 2cm ,electrode, gap gives better removal in the range of 1-4 cm. ,Electrolysis, time of 25cm

Simultaneous removal of acidity and lead from acid lead ...
Simultaneous removal of acidity and lead from acid lead ...

battery wastewater was treated electrochemically with iron and aluminum sacrificial electrodes and supporting electrolytes, such as KCl, Na 2SO 4 and a combination of them. concentration of 8.6 mg L-1 falls under the permissible limit in only 20 minutes of electrolysis time with iron electrodes

Study on Advanced Pretreatment of Seawater by Electrolysis ...
Study on Advanced Pretreatment of Seawater by Electrolysis ...

Results show that turbidity, organic compounds, SDI and chroma of seawater were effectively decreased by electrolysis. Removal efficiency was significantly increased by current density, operation time and inter-,electrode, distance, and the optimum electrolytic conditions was determined as inter-,electrode, distance of 2 cm, current density of 15.87 mA·cm-2, operation time of 10 minutes.

{Electrocoagulation of textile wastewater containing a ...
{Electrocoagulation of textile wastewater containing a ...

This study focused on testing the efficacy of ,iron, (Fe) ,electrode, in an electrochemical treatment (electrocoagulation) of ,wastewater, containing a mixture of organic dyes. The mixture consists of the following azo dyes: Acid Black 194, Acid Black 107 and Acid Yellow 116.

(PDF) Treatment of textile wastewaters by ...
(PDF) Treatment of textile wastewaters by ...

ConclusionThe use of iron and aluminum as sacrificial electrode materials in the treatment of textile wastewater by electrocoagulation has been found to be pH dependent. According to the results, in acidic medium, pH < 6, COD and turbidity removal efficiencies of aluminum are higher than those of iron, while in neutral and alkaline medium iron is preferable.

Treatment of vinegar industry wastewater by ...
Treatment of vinegar industry wastewater by ...

Following several treatment experiments with real ,wastewater, samples, aluminum-plate electrodes were able to reach to a removal efficiency of 90.91% at pH 4, 10 mg/L PAC and an electrical current density of 20.00 mA/cm 2, whereas ,iron,-plate electrodes reached to a removal efficiency of 93.60% at pH 9, 22.50 mA/cm 2 current density.

(PDF) Efficiency of electrochemical denitrification using ...
(PDF) Efficiency of electrochemical denitrification using ...

Wastewater, Treatment Laboratory, Water Research and Technologies Center (CERTE), Echopark Borj Cedria, BP 273, Soliman 8020, Tunisia Tel. +216 79 325 044; Fax: +216 79 325 802; email: hanene ...

Treatment of vinegar industry wastewater by ...
Treatment of vinegar industry wastewater by ...

We present electrocoagulation (EC) treatment results of vinegar industry wastewater (VIW) using parallel plate aluminum and iron electrodes, and analyze the toxicity of the treatment processes. Due to the chemical complexity of vinegar production wastewater, several parameters are expected to alter the treatment efficiency.

Electrochemical Recovery of Phosphorus from Acidic Cheese ...
Electrochemical Recovery of Phosphorus from Acidic Cheese ...

Here, we addressed this challenge with a recently developed electrochemical approach and compared it with the chemical precipitation method via NaOH dosing. The electrochemical process recovers nearly 90% of P (∼820 mg/L) from cheese ,wastewater, in 48 h …

CN101665311A - Catalysis and micro-electrolysis combined ...
CN101665311A - Catalysis and micro-electrolysis combined ...

The invention relates to a catalysis and micro-,electrolysis, combined ,technology for high-concentration refractory organic wastewater,; the organic ,wastewater, is collected to an adjusting tank and enters an air floatation tank for air floatation treatment to remove part of the organic matters after the adjustment of water volume and water quality; the scruff is collected or recovered; the wastewatergoes through Ph adjustment and then enters a catalytic ,iron,-carbon and micro-,electrolysis, …

Treatment of Paper Mill Wastewater by Electrocoagulation ...
Treatment of Paper Mill Wastewater by Electrocoagulation ...

wastewater by Electrocoagulation (EC) process using Iron as a sacrificial electrode which is currently used for the purification of many types of water and wastewater. The effecting parameters such as applied voltage, electrolysis time and initial pH are studied to achieve higher removal.

APPLICATION OF ELECTROCOAGULATION IN WASTEWATER …
APPLICATION OF ELECTROCOAGULATION IN WASTEWATER …

electrode, which is 99%, 100%, and 62% for voltage of 15V and ,electrolysis, time of 60min. also, ,Iron electrode, removes the 100% Phosphate for 15V and 60min [4]. Alex (2015) used Aluminum and Stainless steel electrodes as MP-P, where 2cm ,electrode, gap gives better removal in the range of 1-4 cm. ,Electrolysis, time of 25cm

Electrocoagulation applications for industrial wastewaters ...
Electrocoagulation applications for industrial wastewaters ...

tion [23]. ,Electrolysis, in the presence of an ,iron electrode, produces Fe2+ upon anodic oxidation and ,iron, hydroxide, Fe(OH) n, where n can be 2 or 3. The Fe(OH) n(s) remains in the aqueous phase as an amorphous suspension, which can remove the pollutants from the ,wastewater, by either complexation or electrostatic attraction followed by coagu-lation.

Electrolytic Treatment of Wastewater in the Oil Industry ...
Electrolytic Treatment of Wastewater in the Oil Industry ...

30/11/2011, · According to in the 1980s, Zhdanov used iron and aluminum electrodes to break down emulsions and promote flocculation of wastewater impurities from drilling platforms, aiming at its reuse. The EPA (1993) conducted studies on the use of innovative technologies for treating hazardous waste, using the technique of electrocoagulation with alternating current.

CN101665311A - Catalysis and micro-electrolysis combined ...
CN101665311A - Catalysis and micro-electrolysis combined ...

The invention relates to a catalysis and micro-electrolysis combined technology for high-concentration refractory organic ,wastewater,; the organic ,wastewater, is collected to an adjusting tank and enters an air floatation tank for air floatation treatment to remove part of the organic matters after the adjustment of water volume and water quality; the scruff is collected or recovered; the wastewatergoes through Ph adjustment and then enters a catalytic ,iron, …

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