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Membrane treatment 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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Membrane treatment of acid wastewater
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Subject: "electrolysis" / Journal: Chemosphere - PubAg ...

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Removal of Cr(VI) From Electroplating Industry Effluent ...
Removal of Cr(VI) From Electroplating Industry Effluent ...

The change in the residual Cr(VI) concentration with different ,electrolysis, times using different anode/cathode ,electrodes, was recorded in Figure 1. The effectiveness of the ,iron electrodes, for the removal of Cr(VI) at a concentration under 0.5 mg/L is shown in Figure 1.

Electrochemical Flocculation Integrated Hydrogen Evolution ...
Electrochemical Flocculation Integrated Hydrogen Evolution ...

reaction integrated ,electrolysis, system. Electroflocculation is an effective process to remove pollut-ants in neutral ,wastewater,, which was widely used in the field of environmental governance.[5] The ,iron, electrode was dissolved by applying positive potential for forming flocculant (hydroxy

Electrochemical Flocculation Integrated Hydrogen Evolution ...
Electrochemical Flocculation Integrated Hydrogen Evolution ...

reaction integrated ,electrolysis, system. Electroflocculation is an effective process to remove pollut-ants in neutral ,wastewater,, which was widely used in the field of environmental governance.[5] The ,iron, electrode was dissolved by applying positive potential for forming flocculant (hydroxy

30 TREATMENT OF TEXTILE WASTEWATER USING …
30 TREATMENT OF TEXTILE WASTEWATER USING …

The performance of Electrofenton process for treating synthetic ,wastewater, was evaluated in lab scale. Reactor is a glass beaker having a size of 9.5cm diameter and 15cm height. Four identical bipolar ,graphite electrodes,, immersed in a solution in the beaker act as cathode and anode respectively. The size of the ,graphite, rods are 1.5cm diameter and

Chromatographic Polarographic and Ion-Selective ...
Chromatographic Polarographic and Ion-Selective ...

Where E appl is the potential applied between the microelectrode and the reference electrode, C P o and C A o are the molar concentrations of P (product in the bulk solution changed by ,electrolysis, that tends to zero with the reaction in the microelectrode) and A (analyte in the bulk solution unchanged by ,electrolysis,), respectively, in a thin layer of solution at the electrode surface only.

Advanced treatment of paper mill wastewater using electro ...
Advanced treatment of paper mill wastewater using electro ...

Iron,-containing sludge was obtained from a pilot industrial ,wastewater, treatment plant (Hangzhou, China) that was set up with the Fe/C micro-,electrolysis, process. Preparation of the CPEs The dewatered rice straw, ,iron,-containing sludge, and clay (as adhesive) were impregnated into the ZnCl 2 solution (3 mol/L) by stirring for 12 h with the weight proportion of 70%, 20%, and 10%, respectively ...

Treatment of Petrochemical wastewater by Modified electro ...
Treatment of Petrochemical wastewater by Modified electro ...

This research reported a study on COD removal from petrochemical ,wastewater, (ml/l) by the electro-Fenton process via the effects of different parameters such as reaction time, current density, pH, H2O2/Fe2+ molar ratio, and volume fraction of H2O2. For this purpose, first, the Nanopores on the aluminum ‌electrode surface were prepared as the AAO films were fabricated using the two-step ...

Production of hexavalent chromium during electrolysis ...
Production of hexavalent chromium during electrolysis ...

There are generally two methods: one uses sulfuric acid to get to a low pH and sodium metabisulfate to reduce it, the other ferrous sulfate and alkaline pH. In either case, you'd have to then neutralize the ,wastewater, back to neutral. Cr is fairly easy to trace through a sewer system; that means if you dump it, be prepared to spend some time in jail.

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

as arsenic, by aluminum in comparison to ,iron electrodes, could be that the adsorption capacity of hydrous aluminum oxide for As(III) is much lower in comparison to hydrous ferric oxides [23]. By using combination of ,electrodes, between aluminum and ,iron, for treating arsenic ,wastewater,, Gomes et al. [24] demonstrated the substitution

The treatment of U-containing wastewater by electro ...
The treatment of U-containing wastewater by electro ...

the difficulty of ,wastewater, purification. Therefore magnetic is utilized to purify U-containing ,wastewater, because of being separated from aqueous solution easily. Furthermore magnetic is generated by electro-deposition approach that avoiding the preparation of absorbent. Electro-deposition used ,iron, as anode electrode ,and graphite

Treatment of textile wastewater using electrofenton process
Treatment of textile wastewater using electrofenton process

Four identical bipolar ,graphite electrodes,, immersed in a solution in the beaker act as cathode and anode respectively. The size of the ,graphite, rods are 1.5cm diameter and 15cm height. Aeration was done using an aerator, which was pumped into the bottom of the reactor at a flow rate of 10 L/ min. 2.6 Electrofenton Experimental method The ,graphite, rods used in this experiment were pretreated ...

Water | Free Full-Text | Electrocoagulation in Wastewater ...
Water | Free Full-Text | Electrocoagulation in Wastewater ...

Bing-Fang discovered that by using a room temperature of 25 degrees Celsius, ,iron, and stainless steel ,electrodes,, a voltage and a pH of 4, and a Na 2 SO 4 concentration of 0.7 mg/L, and an ,electrolysis, time of 30 minutes, electrocoagulation could treat a simulated ,wastewater, with Cu 2+ and Cr 6+ removal of 93% and 98.91 effectively .

TITANIUM ANODE | TITANIUM METAL
TITANIUM ANODE | TITANIUM METAL

Compared to the original ,graphite, anode and lead anode, the ,titanium, electrode has the following advantages: 1. The electrode size is relatively stable, and the distance between the ,electrodes, does not change during the ,electrolysis, process, ensuring that the ,electrolysis, operation is performed under the condition that the cell voltage is ...

Determination of the Efficiency of Different Modified ...
Determination of the Efficiency of Different Modified ...

oxidation of alloy ,electrodes, was carried out and the film was characterized for its structure [20]. 2.2.1.2. Electrochemical deposition of PbO 2 +SnO 2 Three ,electrodes, assembly was used for making thin films, in which the working alloy ,electrodes, was of 1 cm2 area with Pt (4 cm) as the counter-electrode and saturated calomel electrode

Fermentation | Free Full-Text | Mitigation of Volatile ...
Fermentation | Free Full-Text | Mitigation of Volatile ...

Anaerobic digestion and bioelectrochemical systems have great potential to recover energy from waste streams and help overcome common hurdles associated with this process, as integrated technologies. In this study, the benefit of integrating an electrogen-enriched bioanode in a batch anaerobic digester was explored under ambient temperature conditions associated with organic overloading and ...

Fermentation | Free Full-Text | Mitigation of Volatile ...
Fermentation | Free Full-Text | Mitigation of Volatile ...

Anaerobic digestion and bioelectrochemical systems have great potential to recover energy from waste streams and help overcome common hurdles associated with this process, as integrated technologies. In this study, the benefit of integrating an electrogen-enriched bioanode in a batch anaerobic digester was explored under ambient temperature conditions associated with organic overloading and ...

The treatment of U-containing wastewater by electro ...
The treatment of U-containing wastewater by electro ...

the difficulty of ,wastewater, purification. Therefore magnetic is utilized to purify U-containing ,wastewater, because of being separated from aqueous solution easily. Furthermore magnetic is generated by electro-deposition approach that avoiding the preparation of absorbent. Electro-deposition used ,iron, as anode electrode ,and graphite

Electrochemical Flocculation Integrated Hydrogen Evolution ...
Electrochemical Flocculation Integrated Hydrogen Evolution ...

Iron, encapsulated in a nitrogen‐doped carbon nanotubes array on ,iron, foam (Fe@N‐CNT/IF) is employed as an electrode for the hydrogen evolution reaction (HER), and the Fe@N‐CNT/IF possesses superior HER activity requiring an overpotential of 525 mV to achieve 10 mA cm −2, which is close to that of 20 wt% Pt/C. Benefiting from the lower oxidation potential of ,iron, (E° Fe/Fe2+, 0.44 V ...

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