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Treatment of oily 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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Treatment of oily acid wastewater
Quick lessons on environmental nanotech | Nature ...
Quick lessons on environmental nanotech | Nature ...

The process ,of treating, our ,wastewater, includes enormous quantities of ... Now another well-known ,principle,: a magnet attracts ,iron, particles. ... If the rust is milled to a fine ,powder,, ...

Denitrifying biofilm processes for wastewater treatment ...
Denitrifying biofilm processes for wastewater treatment ...

The organisms involved in autotrophic denitrification use hydrogen (H 2), sulfur, ,iron,, pyrite or arsenite as an energy source and carbon dioxide (CO 2) or bicarbonate (HCO 3 −) as a carbon source. 15,16 H 2-Based and sulfur-driven autotrophic denitrification are the most widely applied processes to remove NO x from ,wastewater, with low carbon to nitrogen (C/N) ratios. 17,18 Studies regarding ...

Application progress of enhanced coagulation in water ...
Application progress of enhanced coagulation in water ...

Microorganisms, such as bacteria, yeast and algae, are important sources of biopolymer flocculants. 166 Biopolymers have many advantages because they are environmentally friendly, highly biochemical, nontoxic, etc. and can be used in agricultural ,wastewater,, 167 oily ,wastewater,, 168 heavy metal ,wastewater,, 169 algal water, etc. 170,171 This research field has received extensive attention.

Final Report Summary - R3WATER (Demonstration of ...
Final Report Summary - R3WATER (Demonstration of ...

The treatment of ,wastewater, is a high-energy consuming and releases green- house gases. ,Wastewater, discharge contains contaminants like bacteria, parasites, virus and pharmaceutical residues etc. Contaminated sludge is another problem in ,wastewater, treatment. The treated water is not fully reused in water scarcity areas today.

Quick lessons on environmental nanotech | Nature ...
Quick lessons on environmental nanotech | Nature ...

The process ,of treating, our ,wastewater, includes enormous quantities of ... Now another well-known ,principle,: a magnet attracts ,iron, particles. ... If the rust is milled to a fine ,powder,, ...

Photocatalytic Degradation of Wastewater by Molecularly ...
Photocatalytic Degradation of Wastewater by Molecularly ...

27/1/2020, · The obtained ,powder, was characterized by XRD and other ... activity of pure TiO 2, thereby enhancing its capability ,of treating wastewater, ... ,acid, (EDTA) is a widely ...

Quick lessons on environmental nanotech | Nature ...
Quick lessons on environmental nanotech | Nature ...

The process ,of treating, our ,wastewater, includes enormous quantities of ... Now another well-known ,principle,: a magnet attracts ,iron, particles. ... If the rust is milled to a fine ,powder,, ...

Denitrifying biofilm processes for wastewater treatment ...
Denitrifying biofilm processes for wastewater treatment ...

The organisms involved in autotrophic denitrification use hydrogen (H 2), sulfur, ,iron,, pyrite or arsenite as an energy source and carbon dioxide (CO 2) or bicarbonate (HCO 3 −) as a carbon source. 15,16 H 2-Based and sulfur-driven autotrophic denitrification are the most widely applied processes to remove NO x from ,wastewater, with low carbon to nitrogen (C/N) ratios. 17,18 Studies regarding ...

Application progress of enhanced coagulation in water ...
Application progress of enhanced coagulation in water ...

Microorganisms, such as bacteria, yeast and algae, are important sources of biopolymer flocculants. 166 Biopolymers have many advantages because they are environmentally friendly, highly biochemical, nontoxic, etc. and can be used in agricultural ,wastewater,, 167 oily ,wastewater,, 168 heavy metal ,wastewater,, 169 algal water, etc. 170,171 This research field has received extensive attention.

LIANG Peng-School of Environment
LIANG Peng-School of Environment

Wang H. Y., Hu H., Liang P. (2012) Study on the treatment of starch processing ,wastewater, using microbial fuel cell inoculated from different bacterial community. Industrial Water Treatment. 32 (7): 60-63. 10. Wang H. Y., Liang P. *, Huang X. (2011) Application of surface-modified carbon nanotubes ,powder, in microbial fuel cell.

Process Control Manual Aerobic Biological Wastewater ...
Process Control Manual Aerobic Biological Wastewater ...

NECESSARY CHECK 3. If bacterial are identified, check influent ,wastewater, and in-plant side stream flows returning to process for massive filamentous organisms. 1. Check nutrient levels in influent ,wastewater,. The BOD to nutrient ratios should be 100 parts BOD to 5 parts total nitrogen to 1 part phosphorus to 0.5 ,iron,. 2.

ADSORPTION OF TOXICANTS (CHROMIUM IRON AND OXALIC ACID …
ADSORPTION OF TOXICANTS (CHROMIUM IRON AND OXALIC ACID …

weight ratio and then vaccum filtered. The mixture of ,powder, and sulphuric ,acid, was then dried in oven at 150oC for 24 hours. The carbonized material was then washed with distilled water to remove free acids and then dried in hot air oven at 150oC for 3 hours to form activated carbon. Fig 2.2: Tamarind seed ,powder

(PDF) LECTURE NOTES ON INDUSTRIAL WASTEWATER …
(PDF) LECTURE NOTES ON INDUSTRIAL WASTEWATER …

The treatment of cyanides, although mostly accomplished by alkaline chlorination is being carried out by:1.chlorinationgas, 2.hypochlorites 3.ozonation 4.acidification 5.ion exchange etc. Chromium bearing plating wastes are normally segregated from cyanide wastes and they must be reduced and acidified before precipitation.(v) Synthesis of ammonia by reacting hydrogen and nitrogen over a catalyst (Nitrogen is supplied as air in an earlier step) and (vi) Synthesis of urea by ,treating, …

water treatment - coagulation-flocculation typical ...
water treatment - coagulation-flocculation typical ...

crystallised ,iron, sulphate Fe 2 (SO 4) 3 in ,powder, form, 9H 2 O and even chlorinated copperas; ferrous sulphate FeSO 4 in ,powder, form, 7H 2 O; however, this reagent has to be oxidised (Fe 2+ Fe 3+ ), often by Cℓ 2 , before use at a pH close to neutral; furthermore, FeSO 4 , an industrial by-product, is rarely of the grade required for drinking water or even industrial water processing.

Method for stabilization of hazardous wastes with dilute ...
Method for stabilization of hazardous wastes with dilute ...

U.S. Pat. No. 5,037,479 discloses a method for ,treating, highly hazardous waste containing unacceptable levels of TCLP Pb such as lead by mixing the solid waste with a buffering agent selected from the group consisting of magnesium oxide, magnesium hydroxide, reactive calcium carbonates and reactive magnesium carbonates with an additional agent which is either an ,acid, or salt containing an anion …

(PDF) LECTURE NOTES ON INDUSTRIAL WASTEWATER …
(PDF) LECTURE NOTES ON INDUSTRIAL WASTEWATER …

The treatment of cyanides, although mostly accomplished by alkaline chlorination is being carried out by:1.chlorinationgas, 2.hypochlorites 3.ozonation 4.acidification 5.ion exchange etc. Chromium bearing plating wastes are normally segregated from cyanide wastes and they must be reduced and acidified before precipitation.(v) Synthesis of ammonia by reacting hydrogen and nitrogen over a catalyst (Nitrogen is supplied as air in an earlier step) and (vi) Synthesis of urea by ,treating, …

Treat. of Dairy process. waste. / Industrija mlijeka ...
Treat. of Dairy process. waste. / Industrija mlijeka ...

Final ,wastewater, polishing after biological treatment usually involves chemical treatment of the ,wastewater, with calcium, ,iron,, or aluminum salts to remove dissolved nutrients such as nitrogen and ...

Methods for Chemical Analysis of Water and Wastes
Methods for Chemical Analysis of Water and Wastes

----- water, 1 1 hydrochloric ,acid,, tap water and finally deionized distilled water in that order NOTE 1: Chromic ,acid, may be useful to remove organic deposits from glassware, however, the analyst should be cautioned that the glassware must be thoroughly rinsed with water to remove the last traces of chromium This is especially important if chromium is to be included in the analytical scheme A commercial …

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