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Only suitable for neutralization 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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Only suitable for neutralization of acid wastewater
Nickel removal from electroplating waste water using stand ...
Nickel removal from electroplating waste water using stand ...

Abstract ,Wastewater, discharged from metal-finishing processes usually contains ,nickel,, a hazardous substance that is used extensively in the surface finishing industry. In the present study, an acidic solution ,containing nickel, was treated using strong ,acid, cation exchange resin. A contin-uous lab-scale cation exchange arrangement permitting the

Study on Treatment of acidic and highly concentrated ...
Study on Treatment of acidic and highly concentrated ...

In Heilongjiang province, a graphite factory producing, high-purity, graphite generates, acidic waste, water with a high concentration of fluorine. In this paper, the effect of removals on the concentration of fluoride with the combined treatment of calcium oxide and calcium chloride were discussed with regard to …

Fluoride Reduction / HF - Industrial Waste Treatment
Fluoride Reduction / HF - Industrial Waste Treatment

A white paper by, Wastech, Controls & Engineering, Inc., HF,, or, Hydrofluoric Acid,, is a high-volume chemical that is extremely corrosive. It is miscible with water with the release of heat and an acrid, irritating odor, forming a clear, colorless liquid., HF, is a significant health hazard as a …

Electrowinning Nickel: The Moody Metal
Electrowinning Nickel: The Moody Metal

Conventional ,Nickel electrowinning, cells overcome this by separating the anodic and cathodic compartments of the electrocell using a complex diaphragm that prevents the ,acid, that is generated at the anode from concurrently re-dissolving ,Nickel, that is plated at the cathode.

Treating Metal Finishing Wastewater
Treating Metal Finishing Wastewater

toxicity to human and other biological life. Heavy metals typically present in metal finishing ,wastewater, are cadmium, chromium, copper, lead, ,nickel,, silver, tin, and zinc. Table 1 shows the EPA best practical control technology, BPT, limits for metal finishing effluent.

Behavior of Copper Nickel Cadmium and Mercury Ions in ...
Behavior of Copper Nickel Cadmium and Mercury Ions in ...

potentials, like lead and ,nickel,[5]. N.Touach. structured a cathode based on MnO 2 /CNT/PTFE to remove heavy metals(Cu, Zn, Cd, Sb, Pb, Mn and Fe) in MFCs [8]. Recovery of copper from ,wastewater containing, ammonia-copper (Ⅱ) complexes via the cathodic reduction of [Cu(NH 3) 4] 2+

Electrowinning Nickel: The Moody Metal
Electrowinning Nickel: The Moody Metal

Conventional ,Nickel electrowinning, cells overcome this by separating the anodic and cathodic compartments of the electrocell using a complex diaphragm that prevents the ,acid, that is generated at the anode from concurrently re-dissolving ,Nickel, that is plated at the cathode.

Treatment of wastewater containing copper zinc nickel ...
Treatment of wastewater containing copper zinc nickel ...

Fixed bed tests were conducted to investigate the efficiency of Duolite ES‐467 for the selective removal of copper ions from multi‐metal solutions. Breakthrough curves were obtained using Duolite ES‐467 for solutions ,containing, copper, ,nickel, and copper, zinc, ,nickel, and cobalt. Elution studies were also carried out using sulfuric ,acid,.

Nickel Ion | Scientific.Net
Nickel Ion | Scientific.Net

The results showed that nitric ,acid, blocks the pore, while enhances the content of ,acid, groups, especially carboxyl resulting in the decrease of ,nickel, adsorption capacity. After sodium hydroxide treatment, the ,nickel, capacity of activated carbon from anthracite, long flame coal, lignite and coconut increased by 21.5%, 116%, 78.9%, 89.1% comparing with the virgin activated carbon, respectively.

Treatment of Industrial Wastewater by Organic Wastes
Treatment of Industrial Wastewater by Organic Wastes

of Water and ,Wastewater, (APHA- AWWA-WEF, 1992). Results and discussion The industrial ,wastewater, collected from Basni phase I & II at Jodhpur was reddish in colour due to the presence of ferric iron and is characterized by low pH, polluted with presence of metals like cobalt, zinc, copper, lead, manganese, ,nickel, and iron. The experiment was

Nickel Containing Wastewater Treatment Resin Suzhou ...
Nickel Containing Wastewater Treatment Resin Suzhou ...

Nickel, plating is the main way to modify the surface of metal. The process will produce a large amount of ,nickel,-,containing wastewater,. In addition to free ,nickel,, there is also ,acid, complex ,nickel,, which makes it difficult to effectively treat ,nickel,-,containing wastewater,. ,Nickel, is an internationally recognized carcinogen.

A novel method for remediation of nickel containing ...
A novel method for remediation of nickel containing ...

including the high cost of antalkaline, flocculant reagents, and ,acid, neutralizing agents. Therefore, it would be useful to develop a lower-cost and still effective ,wastewater, treatment. ... A novel method for remediation of ,nickel containing wastewater, at neutral conditions

Research For Removal Of Nickel From Waste Water - A Review
Research For Removal Of Nickel From Waste Water - A Review

nickel, from ,wastewater, using an agricultural adsorbent was tried by Moodley et. al.(9). In their study, they investigated the adsorption capacity of a low-cost adsorbent (pine sawdust) by treating ,wastewater containing nickel, (II) and other heavy metal ions. They observed that Langmuir and

Brush Nickel Plating and Heavy Metal Wastewater Treatment ...
Brush Nickel Plating and Heavy Metal Wastewater Treatment ...

Brush ,Nickel, Plating and ,Heavy Metal Wastewater Treatment Process Optimization, ... Separating the ,Nickel,-,Containing Wastewater, from Other ,Wastewater, ... Poly(4-styrenesulfonic ,acid,-co-maleic ,acid,) sodium salt solution ...

(PDF) Treatment of high fluoride concentration water by ...
(PDF) Treatment of high fluoride concentration water by ...

Although the theoretical solubility of CaF 2 is 17 mg/L at 25 1C in water (Butler, 1964;Toyoda and Taira, 2000), CaF 2 precipitation can only reduce the ,fluoride concentration, to 10-20 mg/L in practice (Reardon and Wang, 2000). Depending on the discharge standards (p10 mg/L) for ,industrial wastewater,, a subsequent step may be necessary.

Wastewater Treatment during PCB Fabrication Process | PSPCB
Wastewater Treatment during PCB Fabrication Process | PSPCB

This process produces copper-,containing wastewater,, sulfuric ,acid, mist. (10) Soldermask (Green): Its function is to prevent bridging during wave soldering, improve soldering quality and save solder. It is also a permanent protective layer for printed boards that protects against moisture, corrosion, mildew and mechanical abrasion.

Defluoridation by highly efficient calcium hydroxide ...
Defluoridation by highly efficient calcium hydroxide ...

20/1/2019, · The Table 10 shows that 91.7% of fluoride can be removed from industrial wastewater for initial fluoride concentration of, 73 mg/L, using CHN dose 2 g/L. The fluoride removal from acidic electroplating industrial wastewater (91.7% removal) is shown better performance compared to basic electroplating industrial wastewater (70.3% removal).

Treatment of Wastewater Contaminated with Nickel Using ...
Treatment of Wastewater Contaminated with Nickel Using ...

nickel, from ,wastewater,. ... natural bentonite was activated using sulfuric ,acid, leaching. The experimental set up and chemical treatment method with H 2SO 4 which was carried out in this study are similar to what ... ,containing, 20–100 mg/L of a required heavy metal.

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