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Boiling ammonia nitrogen in acidic 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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Boiling ammonia nitrogen in acidic wastewater
Treatment of Electroplating Cr(VI) for Reduction Cr(VI) by ...
Treatment of Electroplating Cr(VI) for Reduction Cr(VI) by ...

4/5/2016, · ,chromium, compounds are toxic and carcinogenic. In contrast, relative toxicity of Cr(III) is low and in its trace amounts, it is not a problem for the envaluminumment [Fu, 2011]. The most common method used for the removal of ,chromium, from ,wastewater, is the ,acidic, reduction of …

Removal of chromium(VI) from aqueous solutions by ...
Removal of chromium(VI) from aqueous solutions by ...

chromium, used in the chrome tanning process, and the rest of the ,chromium, is discharged into the ,wastewater, system, resulting in serious environmental contamination. Although the ,chromium, ions in the tanning ,wastewater, are primarily trivalent, they can be further oxidized into the hexavalent state by the organics present in the system.

Electricity Generation Using an Air-Cathode Single Chamber ...
Electricity Generation Using an Air-Cathode Single Chamber ...

Bacteria present in domestic ,wastewater, were used as the biocatalyst, and glucose and ,wastewater, were tested as substrates. Power density was found to be much greater than typically reported for aqueous-,cathode, MFCs, reaching a maximum of 262 ± 10 mW/m 2 (6.6 ± 0.3 mW/L; liquid volume) using glucose. Removing the PEM increased the maximum ...

Electrochemical treatment of spent tan bath solution for ...
Electrochemical treatment of spent tan bath solution for ...

An electrochemically assisted coagulation for the removal of chromium from water has been studied using zinc or magnesium as anode and galvanized iron as cathode. The results showed that the optimum removal efficiency of 95% was achieved at a current density of 0.2 A·dm −2 , at a pH of 7.0 ( Vasudevan et al. 2010 ; Vasudevan & Lakshmi 2011 ).

Treatment of Electroplating Cr(VI) for Reduction Cr(VI) by ...
Treatment of Electroplating Cr(VI) for Reduction Cr(VI) by ...

4/5/2016, · ,chromium, compounds are toxic and carcinogenic. In contrast, relative toxicity of Cr(III) is low and in its trace amounts, it is not a problem for the envaluminumment [Fu, 2011]. The most common method used for the removal of ,chromium, from ,wastewater, is the ,acidic, reduction of Cr(VI) to Cr(III) (pH

Application of iron-loaded activated carbon electrodes for ...
Application of iron-loaded activated carbon electrodes for ...

Chromium, is widely used in a variety of industrial process. As a result, a large amount of ,chromium,-contaminated waste is produced, which pollute the soil, water and atmosphere 1,2,3,4.,Chromium, ...

Removal of chromium(VI) from aqueous solutions by ...
Removal of chromium(VI) from aqueous solutions by ...

chromium, used in the chrome tanning process, and the rest of the ,chromium, is discharged into the ,wastewater, system, resulting in serious environmental contamination. Although the ,chromium, ions in the tanning ,wastewater, are primarily trivalent, they can be further oxidized into the hexavalent state by the organics present in the system.

CATHODE ELECTROCHEMICAL CELL AND ITS USE - HÖGANÄS AB …
CATHODE ELECTROCHEMICAL CELL AND ITS USE - HÖGANÄS AB …

An electrochemical cell ,containing, a sacrificial electrode suitable for electrocoagulation as well as an electrocoagulation process for removing various pollutants from water or ,wastewater, by the use of the electrochemical cell. Also, the sacrificial electrode itself. Several electrochemical cells can be coupled to an electrochemical cell assembly.

CATHODE ELECTROCHEMICAL CELL AND ITS USE - HÖGANÄS …
CATHODE ELECTROCHEMICAL CELL AND ITS USE - HÖGANÄS …

An electrochemical cell ,containing, a sacrificial electrode suitable for electrocoagulation as well as an electrocoagulation process for removing various pollutants from water or ,wastewater, by the use of the electrochemical cell. Also, the sacrificial electrode itself. Several electrochemical cells can be coupled to an electrochemical cell assembly.

Electricity Generation Using an Air-Cathode Single Chamber ...
Electricity Generation Using an Air-Cathode Single Chamber ...

Bacteria present in domestic ,wastewater, were used as the biocatalyst, and glucose and ,wastewater, were tested as substrates. Power density was found to be much greater than typically reported for aqueous-,cathode, MFCs, reaching a maximum of 262 ± 10 mW/m 2 (6.6 ± 0.3 mW/L; liquid volume) using glucose. Removing the PEM increased the maximum ...

Study of the electrocoagulation of electroplating industry ...
Study of the electrocoagulation of electroplating industry ...

a simple electrocoagulating reactor formed by one anode and one ,cathode, ( Figure 1 ), some reactions and electrochemical reactions occur. They are summarized as follows (Case of EC with aluminium electrodes): - reduction of water in the ,cathode,: 6H 2O + 6 e − → 3H 2 + 6 OH

Application of iron-loaded activated carbon electrodes for ...
Application of iron-loaded activated carbon electrodes for ...

Chromium, is widely used in a variety of industrial process. As a result, a large amount of ,chromium,-contaminated waste is produced, which pollute the soil, water and atmosphere 1,2,3,4.,Chromium, ...

Research on treatment of wastewater containing heavy metal ...
Research on treatment of wastewater containing heavy metal ...

1/2/2018, · This paper introduced the working principle of MFC, the classification of ,cathode,, and the research progress on the treatment of ,wastewater containing, Cr(VI), Cu(II), Ag(I), Mn(II) and Cd(II) by MFC. The study found that different ,cathode,, different heavy metals anddifferent hybrid systems would affect the performance of the system and removal effect for heavy metal in MFC.

Application of the electrocoagulation technique for ...
Application of the electrocoagulation technique for ...

cess, hydrogen gas is released from the ,cathode, which can help to float the flocculated particles out of the water, a process which is sometimes called electroflocculation [26]. The main reactions are: Anode reaction M(s)→M 2+ (aq)+ne − (1) 2H2O(l)→4H + (aq)+O2(g)+4e − (2) ,Cathode, reaction Mn+ (aq)+ne −→M (s) (3) 2H2O(l)+2e −→2H 2(g)+3OH − (4)

US Patent for Cathode electrochemical cell and its use ...
US Patent for Cathode electrochemical cell and its use ...

An electrochemical cell ,containing, a sacrificial electrode suitable for electrocoagulation as well as an electrocoagulation process for removing various pollutants from water or ,wastewater, by the use of the electrochemical cell. Also, the sacrificial electrode itself. Several electrochemical cells can be coupled to an electrochemical cell assembly.

Removal of chromium(VI) from aqueous solutions by ...
Removal of chromium(VI) from aqueous solutions by ...

chromium, used in the chrome tanning process, and the rest of the ,chromium, is discharged into the ,wastewater, system, resulting in serious environmental contamination. Although the ,chromium, ions in the tanning ,wastewater, are primarily trivalent, they can be further oxidized into the hexavalent state by the organics present in the system.

Purification And Treatment Of Electroplating Baths And ...
Purification And Treatment Of Electroplating Baths And ...

Abstract: A method and apparatus for enriching the ,chromium, concentration in an operating chrome plating from a spent chrome plating solution ,containing, hexavalent ,chromium,, trivalent ,chromium, and extraneous metal ions is dislosed. A spent platining solution vessel is divided into an anode chamber and a ,cathode, chamber by a porous container. A hollow primary anode is provided in the anode ...

Study of the electrocoagulation of electroplating industry ...
Study of the electrocoagulation of electroplating industry ...

a simple electrocoagulating reactor formed by one anode and one ,cathode, ( Figure 1 ), some reactions and electrochemical reactions occur. They are summarized as follows (Case of EC with aluminium electrodes): - reduction of water in the ,cathode,: 6H 2O + 6 e − → 3H 2 + 6 OH

MICROBIAL DESALINATION CELL TECHNOLOGY FOR …
MICROBIAL DESALINATION CELL TECHNOLOGY FOR …

In this study, an reactor of MDC using ,wastewater, involving Cr+6 as the catholyte was used simultaneously to desalinate brine and reduce Cr+6, in the desalination compartment and ,cathode, compartment , respectively. The desalination rate was 2.1 mg/h, and the efficiency of ,chromium, ion removal attained 83%,

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