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Acid wastewater alkaline 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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Acid wastewater alkaline wastewater
Electroplating Industrial Wastewater Treatment Systems ...
Electroplating Industrial Wastewater Treatment Systems ...

1: Determine the usage scenario. 2: Analyze the quality of contaminated water (if necessary, do laboratory analysis) 3: Determine the ,treatment, process. 4: The supplier forecasts the price duration and governance objectives of the equipment or system.

Sustainability | Free Full-Text | Ironmaking and ...
Sustainability | Free Full-Text | Ironmaking and ...

The removal of ,Cr, 6+ ions from ,wastewater, was proposed to occur via a redox process in which the calcium and iron (as FeO, Fe 3 O 4, Ca 2 Fe 2 O 5 and CaFe 2 O 4) phases in the slag reacted with the ,acid, to release Fe 2+ and Ca 2+ ions.

Wastewater Treatment Plant - Industrial Waste Water ...
Wastewater Treatment Plant - Industrial Waste Water ...

Unistar manufacturer waster water treatment plant for Electroplating industry wastewater treatment plant has various kinds containing such as cyanogen, chromium (Cr), copper (Cu), zinc (Zn), phosphorized wastewater.Besides these chemical elements, there are also some other metal ions, their contained elements and densities are very different; Additionally different manufacturing process and business …

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.

MasterSeal 7000 CR - The best solution for extreme ...
MasterSeal 7000 CR - The best solution for extreme ...

MasterSeal 7000 ,CR, - The best solution for extreme ,wastewater, challenges Please contact us for free consultation. Proven durability: The concrete infrastructure of ,wastewater treatment, systems is subject to complex physical and chemical attacks. MasterSeal 7000 ,CR, …

Enhanced industrial wastewater treatment (Conference ...
Enhanced industrial wastewater treatment (Conference ...

@article{osti_353577, title = {Enhanced ,industrial wastewater treatment,}, author = {Nachabe, A H and Durlak, E}, abstractNote = {The sodium sulfide/ferrous sulfate (SS/FS) process is a ,treatment, technology for the reduction of hexavalent chromium and precipitation of heavy metals in ,industrial wastewater treatment, plants (IWTP). When the ferrous ion, as ferrous sulfate, is mixed with sulfide ...

Industrial / Municipal Water and Wastewater | Tru-Tech Valve
Industrial / Municipal Water and Wastewater | Tru-Tech Valve

Industrial / Municipal Water and Wastewater, Water ,treatment, applications are typically high-purity applications requiring minimal contact of the valve body with the conveyed media. ,Wastewater, applications typically include suspended solids or require conveying of corrosive chemicals for water and ,wastewater treatment,.

Research on Treating Acid Wastewater Containing Heavy Metal
Research on Treating Acid Wastewater Containing Heavy Metal

Chromium mainly exists in ,wastewater, by ,Cr, (III) and ,Cr, (VI). ,Cr, (VI) is easy to accumulate in organisms and water because of its solubility, strong oxidation, toxicity and other characteristics [4]. Chromium- ,containing wastewater treatment, is particularly important and must be treated before discharged.

Treatment of Electroplating Wastewater by Adsorption Technique
Treatment of Electroplating Wastewater by Adsorption Technique

hexavalent chromium (Cr+6) using scrap iron filings in both synthetic ,wastewater,, ,containing, 30 mg/L of Cr+6, and chromium plating ,wastewater,. Optimum condition for removal of Cr+6 was found to be at pH 3, iron particle sizes (35 – 200) mesh, agitating rate 250 rpm, contact time 180 minutes and iron dosage of 1 g. It was also observed that

Removal of Chromium from Industrial Wastewater by ...
Removal of Chromium from Industrial Wastewater by ...

The stock solution of ,Cr, (VI) ,containing, concentration of 1000 mg/l was prepared by dissolving 2.829 g of potassium dichromate, K 2 ,Cr, 2 O 7 analytical grade, in 1000 ml of deionized water. The stock solution was further diluted with distilled water to desired concentration of test solution. The required pH of the solution was adjusted by drop wise

SOLUTION FOR WASTEWATER PROBLEM ... - Industrial Pollution
SOLUTION FOR WASTEWATER PROBLEM ... - Industrial Pollution

Treatment with sulphur dioxide to high concentration of Cr and Cu under controlled condition and using sodium (carbonate to precipitate Cr) gives hydrated chromium oxide of high purity. The addition of sulphur dioxide to the wastewater shows a considerable decrease in impurities. Only 1.9 parts

TREATMENT OF WASTEWATER FROM CHROME PLATING …
TREATMENT OF WASTEWATER FROM CHROME PLATING …

wastewater, is growing with developing industries [3]. One of the useful solution for the ,Cr,(VI) removal from the environment is the ,treatment, of ,industrial wastewater, [4].Various methods used to remove ,Cr,(VI) from industry ,wastewater, are Chemical precipitation, Ion exchange,

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.

REMOVAL OF UROTROPINE FROM INDUSTRIAL WASTEWATER …
REMOVAL OF UROTROPINE FROM INDUSTRIAL WASTEWATER …

the significant problems in the ,treatment, of ,wastewater containing, urotropine (Chou et al., 1999). 1999 ... ,Cr, 2 O 7 (99.5%) and sulfuric ,acid,, all from Merck Co. and with high purity, were used for ... Biological ,treatment, of ,industrial wastewater containing, urotropine is ineffective (Kaszycki and Koloczek, ...

KR0149599B1 - Industrial wastewater treatment method using ...
KR0149599B1 - Industrial wastewater treatment method using ...

The present invention is a material ,containing, magnesium ions such as dolomite, magnesia lime, goat lime, magnesium hydroxide, magnesium carbonate, and magnesia, and neutralizing ,acid wastewater containing, acidic ,acid, such as sulfuric ,acid,, hydrochloric ,acid,, and nitric ,acid,. A method for treating ,industrial wastewater, by using a mountain climbing liquid and a precipitate formed therein ...

INDUSTRIAL WASTEWATER TREATMENT TECHNOLOGIES
INDUSTRIAL WASTEWATER TREATMENT TECHNOLOGIES

Industrial, Wastewaters (IWW) means the water or liquid that carries waste from ,industrial, or processes, if it is distinct from domestic ,wastewater,. IWW may result from any process or activity of industry which uses water as a reactant or for transportation of heat or materials.

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