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Removal of magnesium ion from 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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Removal of magnesium ion from acid wastewater
The effect of pH adjustment on the internal corrosion rate ...
The effect of pH adjustment on the internal corrosion rate ...

Two experimental sessions were conducted to examine to effects of pH adjustment on internal corrosion of cast ,iron and copper water distribution pipes,. The Greater Vancouver Regional District uses surface lakes as its potable water source. As confirmed by chemical water characteristics monitoring, the supplied tap water has several of the attributes of an aggressive water: low pH (4.9 to 5.7 ...

Ceramic Microfiltration Membranes in Wastewater Treatment ...
Ceramic Microfiltration Membranes in Wastewater Treatment ...

Their uses regarding waste treatment have been expanded to the metal processing industry and surface engineering, in applications such as recycling and disposal of degreasing and rinsing baths; treatment of oil/water emulsions; recovery of heavy metals; cleaning of ,wastewater, from grinding processes and treatment of ,wastewater, from glass and glass-fiber production while regarding the environmental …

Dialectical Observation of Controllable Electrodeposited ...
Dialectical Observation of Controllable Electrodeposited ...

The reason ,why, Ni 2+ electrodeposited on the ,cathode, in a slow and more average way and caused a cotton floc-shaped structure was that there was no Ni 2+ in the solution before electrodeposition; Ni 2+ required for electrodeposition all came from those Ni atoms which lost electrons on the anode, resulting in low concentration of Ni 2+ in the solution, so even if there were a large number of Cl −, the …

Electrochemical Induced Calcium Phosphate Precipitation ...
Electrochemical Induced Calcium Phosphate Precipitation ...

A metallurgical microbial fuel cell (MFC) is an attractive alternative for recovery of copper from copper containing waste streams, as the metal is recovered in its metallic form at the cathode, while the energy for metal reduction can be obtained from oxidation of organic materials at the anode with possible additional production of electricity.

Electrochemical Induced Calcium Phosphate Precipitation ...
Electrochemical Induced Calcium Phosphate Precipitation ...

A metallurgical microbial fuel cell (MFC) is an attractive alternative for recovery of copper from copper containing waste streams, as the metal is recovered in its metallic form at the cathode, while the energy for metal reduction can be obtained from oxidation of organic materials at the anode with possible additional production of electricity.

Final Report Summary - CORDIS | European Commission
Final Report Summary - CORDIS | European Commission

WP2 includes evaluation and development of process techniques that lead to sludge minimization inherently within the ,wastewater, treatment process and transformation of ,wastewater, and sludge constituents into valuable by-products, such as, VFAs, biopolymers, biogas, and ammonium sulphate.

Recent advances in ion selectivity with capacitive ...
Recent advances in ion selectivity with capacitive ...

Finally, we introduce a new theoretical model for CDI with porous electrodes made out of intercalation material.Box: General aspects of CDIA standard CDI cell, depicted in Fig. 3A, consists of two parallel electrodes (the anode and the ,cathode,), made of a porous material that conducts electronic charge, allows access for ions and has an ion storage capacity, and a non-conductive “spacer” channel where …

Electrochemical Induced Calcium Phosphate Precipitation ...
Electrochemical Induced Calcium Phosphate Precipitation ...

This method relies on in situ formation of hydroxide ions by electro mediated water reduction at a titanium cathode surface. The in situ raised pH at the cathode provides a local environment where CaP will become highly supersaturated. Therefore, homogeneous and heterogeneous nucleation of CaP occurs near and at the cathode surface.

water | the chronicle flask
water | the chronicle flask

And conversely, at the negative electrode (also called the ,cathode,), the H + ions gain electrons to form hydrogen gas, like so: 2H + + 2e – —> H 2. These equations balance in terms of species and charges. They make the point that negative ions move to the anode and positive ions move to the ,cathode,.

Fuel cell - Wikipedia
Fuel cell - Wikipedia

The protons are conducted through the membrane to the ,cathode,, but the electrons are forced to travel in an external circuit (supplying power) because the membrane is electrically insulating. On the ,cathode, catalyst, oxygen molecules react with the electrons (which have traveled through the external circuit) and protons to form water.

Recent advances in ion selectivity with capacitive ...
Recent advances in ion selectivity with capacitive ...

Finally, we introduce a new theoretical model for CDI with porous electrodes made out of intercalation material.Box: General aspects of CDIA standard CDI cell, depicted in Fig. 3A, consists of two parallel electrodes (the anode and the ,cathode,), made of a porous material that conducts electronic charge, allows access for ions and has an ion storage capacity, and a non-conductive “spacer” channel where …

Fuel cell - Wikipedia
Fuel cell - Wikipedia

The protons are conducted through the membrane to the ,cathode,, but the electrons are forced to travel in an external circuit (supplying power) because the membrane is electrically insulating. On the ,cathode, catalyst, oxygen molecules react with the electrons (which have traveled through the external circuit) and protons to form water.

Perspectives on Biological Treatment of Sanitary Landfill ...
Perspectives on Biological Treatment of Sanitary Landfill ...

23/10/2014, · Anaerobic degradation of wastewaters is a very complex and dynamic system, where microbiological and physico-chemical aspects are strongly linked. This is the reason ,why, granular anaerobic sludge is often applied in various treatment processes, allowing higher loading rates in comparison to conventional systems with dispersed sludge.

Interaction of Metal Ions with Mono- and Polysaccharides ...
Interaction of Metal Ions with Mono- and Polysaccharides ...

Metal ions complexation phenomenon is strongly pH dependent. The ,wastewater, pH is an important factor in speciation of metallic ions. In addition, in strong ,acidic, conditions, amine groups present in the chitosan beads easily form protonated groups, which induce an electrostatic repulsion of metal ions.

CORROSION CONTROL Methods of combating corrosion ...
CORROSION CONTROL Methods of combating corrosion ...

acidic pickling mixtures are used to remove dirt, greases, oxidation and contaminants from the piece. 2. The piece to be plated is connected to the negative pole (cathode) of the d. c. power supply while the plating (coating) metal anode is connected to the positive pole (anode).

Final Report Summary - CORDIS | European Commission
Final Report Summary - CORDIS | European Commission

WP2 includes evaluation and development of process techniques that lead to sludge minimization inherently within the ,wastewater, treatment process and transformation of ,wastewater, and sludge constituents into valuable by-products, such as, VFAs, biopolymers, biogas, and ammonium sulphate.

ncert solutions for class 10 science chapter 2 Archives ...
ncert solutions for class 10 science chapter 2 Archives ...

Why, do HCl, HNO 3, etc., show ,acidic, characters in aqueous solutions while solutions of compounds like alcohol and glucose do not show ,acidic, character? Solution: An acid is a substance, which dissociates on dissolving in water to produce hydrogen ions [H + (aq) ions].

Handbook For Analytical Quality Control In Water and ...
Handbook For Analytical Quality Control In Water and ...

The Millipore Super-Q System (Millipore Corp., Bedford, Mass.) consists essentially of disposable cartridges for prefiltration, organic absorption, deioniza- tion, and Millipore filtration. The company claims it can produce 10-MQ water, ,containing, no particulate matter larger than 0.45 |j,m in size, from tap water, at the rate of 20 gal/h.

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