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Treatment of acidic copper containing wastewater by reduction process

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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Treatment of acidic copper containing wastewater by reduction process
Water | Free Full-Text | Oily Wastewater Treatment ...
Water | Free Full-Text | Oily Wastewater Treatment ...

Microelectrolysis is used to treat high concentration oily wastewater, which also contains a large fraction of organic polymers, salt and chemical cleaning agents, such as pre-plating wastewater , acid mine drainage , and stormwater .

C01D 5 - Sulfates or sulfites of sodium potassium or ...
C01D 5 - Sulfates or sulfites of sodium potassium or ...

Patents for C01D 5 - Sulfates or sulfites of sodium, potassium, or ,alkali, metals in general (2,726) 07/1973: 07/17/1973: CA930135A1 Process for the preparation of crystalline precipitates by ...

Ecologically Friendly Modified Green Liquor Method for ...
Ecologically Friendly Modified Green Liquor Method for ...

Chemical ,Reaction, for Green ,Liquor, The chemical ,reaction, can be described as the following: Green ,liquor, + lime = lime mud + White ,liquor, Sodium carbonate + water + calcium oxide = calcium carbonate + sodium hydroxide The major chemical compositions of green ,liquor, are: sodium carbonate, sodium hydroxide, and sodium ,sulfide,.

Water | Free Full-Text | Oily Wastewater Treatment ...
Water | Free Full-Text | Oily Wastewater Treatment ...

Microelectrolysis is used to treat high ,concentration oily wastewater,, which also contains a large fraction of organic polymers, salt and chemical cleaning agents, such as pre-plating ,wastewater, , acid mine drainage , and stormwater .

Wastewater Treatment for the Industrial Metal Finishing ...
Wastewater Treatment for the Industrial Metal Finishing ...

23/10/2020, · Neutralization of, wastewater, that is highly, acidic, (low pH) or highly basic (high pH) is required for, discharge, to municipal sewer systems or to rivers and streams. The most common allowable pH range for, discharge, is generally 6 to 9 standard units (S.U.) but can be 5.0 to 11.0 depending on the source of, discharge.

Method of obtaining sodium hydroxide from liquid wastes of ...
Method of obtaining sodium hydroxide from liquid wastes of ...

SUBSTANCE: phosphoric and/or hypophosphorus ,acid, and a basic compound are added to triethanolamine, where the basic compound is selected from a hydroxide of ,alkali, metals, a hydroxide of ,alkali,-earth metals and [R 1 R 2 R 3 (2-hydroxyethyl)ammonium]hydroxide, where R 1, R 2 and R 3 independently denote an alkyl having 1-30 carbon atoms, or hydroxyalkyl having 2-10 carbon atoms.

Engineering Pulping and Environmental Conference 2007
Engineering Pulping and Environmental Conference 2007

Effect of Sulfite, ,Sulfide, and Hydroxide Concentrations in Mini ,Sulfide, Sulfite Anthraquinone Pulping..... 1 V. Naithani, M. Lindstrom, A. Kirkman, H. Jameel How Does Hydroxyethylidene Diphosphonic ,Acid, (HEDP) Accelerate Kraft

STUDY ON OILY WASTEWATER TREATMENT | Request PDF
STUDY ON OILY WASTEWATER TREATMENT | Request PDF

Oily wastewaters are usually characterised by a high concentration of, chemical oxygen demand, (COD), suspended solids, dissolved solids (salts), toxicity, and refractory compounds.

US7048854B1 - Apparatus for the removal of heavy metals ...
US7048854B1 - Apparatus for the removal of heavy metals ...

An apparatus which uses a process reactor having three separate reaction stages to remove high concentrations of, 3000 mg/l, heavy metals from, acidic wastewater, …

Chemical Guide | BlagdonPump.com
Chemical Guide | BlagdonPump.com

Corrosion is the destructive attack of metals by chemical or electrochemical ,reaction, with its environment. Corrosion rates vary widely with concentration, temperature and the presence of abrasives. Impurities or other trace elements common in industrial liquids may inhibit or accelerate corrosion.

Biotreatment of restaurant wastewater with an oily high ...
Biotreatment of restaurant wastewater with an oily high ...

9/11/2019, · Specifically, restaurant oily wastewater contains high concentration fats, oils and greases (,usually, known as, FOGs), and massively suspended matters which results in occurrence of, foul odor, and blockage sewage (Brooksbank et al. 2007).

Emerson Liquid Analytical Solutions
Emerson Liquid Analytical Solutions

Wastewater, Treatment ,Wastewater, is generated by homes, businesses, and industries and is treated in two major steps, primary and secondary treatment, with disposal of solids during both steps. Analytical measurements such as pH and ORP are performed during the primary treatment stage in order to monitor the removal of solids from the ,wastewater,.

Oily wastewaters treatment using Pseudomonas sp. isolated ...
Oily wastewaters treatment using Pseudomonas sp. isolated ...

28/4/2014, · The aim of this study is to treat those, oil wastewaters, having, high concentration, of, oil, by applying lipase enzyme producer bacteria., Oil concentration, measurement was conducted using the standard method of gravimetric and the, wastewater, under study was synthetically made and contained olive, canola and sunflower, oil.

HJ 2051-2016 PDF. - Chinese Standard
HJ 2051-2016 PDF. - Chinese Standard

The ,acid, and ,alkali waste water, produced by the ,reaction, unit, ... ,sulfide, and phosphide and so on. J) Polyvinyl chloride centrifuged mother ,liquor, ... Regulating pool ,reaction, pool active chlorine ,wastewater, discharge standards Or reuse Nickel - containing ,wastewater

(PDF) Acid Mine Drainage Treatment in Fluidized-Bed ...
(PDF) Acid Mine Drainage Treatment in Fluidized-Bed ...

Acid, Mine Drainage Treatment in Fluidized-Bed Bioreactors by Sulfate-Reducing Bacteria: A Critical Review. Critical Reviews in Environmental Science and Technology, 2013. ... (ABR) treating acidic and zinc-containing ,wastewater,. By Erkan Sahinkaya, Sinan Uyanık, and Dilek Sınanmış Atasoy.

CN101665311A - Catalysis and micro-electrolysis combined ...
CN101665311A - Catalysis and micro-electrolysis combined ...

The invention relates to a catalysis and micro-electrolysis combined technology for high-,concentration, refractory organic ,wastewater,; the organic ,wastewater, is collected to an adjusting tank and enters an air floatation tank for air floatation treatment to remove part of the organic matters after the adjustment of water volume and water quality; the scruff is collected or recovered; the wastewatergoes through Ph …

Application of coagulation/flocculation in oily wastewater ...
Application of coagulation/flocculation in oily wastewater ...

Therefore, rice husk can be a high-value product as an option for the treatment of, high concentration oily wastewater., The exploration of efficient and convenient natural adsorbent and the development of green and low-cost chemical adsorbents may become the focus of research on the treatment of, oily wastewater, by adsorption.

Wastewater: Industrial Metal Finishing
Wastewater: Industrial Metal Finishing

Because pH is simply another means of referring to the hydrogen ion ,concentration,, ,acidic, and basic solutions can be distinguished on the basis of pH values: pH < 7 ,Acidic, solution . pH = 7 Neutral solution . pH > 7 Basic solution . Neutralization of ,wastewater, that is highly ,acidic, …

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