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Biological treatment 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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Biological treatment of acid wastewater
What every operator needs to know about collection system ...
What every operator needs to know about collection system ...

The ,acid, runs down the walls into the ,wastewater,. ,Acid, erodes the concrete along the way. When the ,acid, reaches the ,wastewater,, ... so nitrate ,addition, not only prevents VFA formation but can destroy VFA that already ... Vapor phase odor control — such as ,wet, scrubbers — can control odors and corrosion. Sidestreams can create problems.

Wastewater Laboratory Procedures And Chemistry
Wastewater Laboratory Procedures And Chemistry

Sample ,Wastewater, From Possible Results, mg/1 the Following Locations GocKl' ~ " Bad Sewers ,1 1 Outlets from force mains .1 1 ,Wet, pits, pumping stations .1 .5 Influents to treatment plants Preferably 0 .5 All of the above locations should be sampled, if pertinent, when using up-stream aeration to control H2S.

Flue Gas Desulfurization Wastewater Treatment Primer
Flue Gas Desulfurization Wastewater Treatment Primer

1/3/2009, · This article presents state-of-the-art technologies for treating the ,wastewater, that is generated by ,wet, FGD systems. ... There is a potentially high organic concentration from dibasic ,acid addition,.

Wet Oxidation and Catalytic Wet Oxidation | Industrial ...
Wet Oxidation and Catalytic Wet Oxidation | Industrial ...

Enhanced ,Wet, Air Oxidation of Benzene by the ,Addition, of Phenol. Industrial & Engineering Chemistry Research 2019, 58 ... A novel isophorone ,wastewater, treatment technology-,wet, electrocatalytic oxidation and its degradation ... The effect of different inorganic anions on mineralization of acrylic ,acid, in ,wet, air oxidation. Chemosphere 2020, 244 ...

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · ,Acid, mine drainage is the formation and movement of highly acidic water rich in heavy metals. This acidic water forms through the chemical reaction of surface water (rainwater, snowmelt, pond water) and shallow subsurface water with rocks that contain sulphur-bearing minerals, resulting in sulphuric ,acid,.

Treatment of Tannery
Treatment of Tannery

addition of acid, liquor and salts, enabling chromium tannins to enter the hide. Salts are added to prevent the hide from swelling. For preservation purposes, 0.03-2% by weight of fungicides and bactericides are usually applied. sometimes performed in one single float. • Degreasing: Normally performed together with soaking, pickling or after

Mining Wastewater | liquideffluents
Mining Wastewater | liquideffluents

17/5/2012, · ,Acid, mine drainage is the formation and movement of highly acidic water rich in heavy metals. This acidic water forms through the chemical reaction of surface water (rainwater, snowmelt, pond water) and shallow subsurface water with rocks that contain sulphur-bearing minerals, resulting in sulphuric ,acid,.

Hydrogen Sulfide Corrosion In Wastewater Collection And ...
Hydrogen Sulfide Corrosion In Wastewater Collection And ...

Wastewater, pH measurements were 6 at four of the industrial sites, 5.5 at one site, and 10 at the remaining site. ,Wastewater, sulfide ranged from 0.0 to 0.3 mg/1. The ,wastewater, sulfide level was 0.05 mg/1 at the site where ,wastewater, pH was 5.5, and 0.0 mg/1 at the site where ,wastewater, pH was 10.

How to Remove Emulsified Oil from Wastewater with ...
How to Remove Emulsified Oil from Wastewater with ...

Oil appears in ,wastewater, in a number of different forms including free oil and grease (FOG), mechanically emulsified oil, oil ,wet, solids, chemically emulsified oil and dissolved oil. Free Oil and Grease. Free oil rises rapidly to the surface of the water tank …

Comparison of Batch and Continuous Wet-Processing of ...
Comparison of Batch and Continuous Wet-Processing of ...

It can be clearly seen that for batch processing, lactic ,acid, (2687.1 ± 23.0 mg/L) and propionic ,acid, (1679.3 ± 67.9 mg/L) were the main organic acids in coffee ,wastewater,. With the continuous processing, a concentration of 373.5 ± 15.0 mg/L of lactic ,acid, in fermentation ,wastewater, was determined. Propionic ,acid, was not detected.

Free ammonia deliming: effect of tartaric acid addition as ...
Free ammonia deliming: effect of tartaric acid addition as ...

The objective of this study was to evaluate the pelt and ,wastewater, characteristics after deliming process in an ,acid, condition by tartaric ,acid,, also ,wet, blue properties that were formed. Various observed variables were the dose of tartaric ,acid,, pelt thickness, calcium content, physical and chemical properties of ,wet, blue, such as tensile strength, tear strength, elongation, shrinkage...

Treatment of Tannery
Treatment of Tannery

addition of acid, liquor and salts, enabling chromium tannins to enter the hide. Salts are added to prevent the hide from swelling. For preservation purposes, 0.03-2% by weight of fungicides and bactericides are usually applied. sometimes performed in one single float. • Degreasing: Normally performed together with soaking, pickling or after

Hydrogen Sulfide Corrosion In Wastewater Collection And ...
Hydrogen Sulfide Corrosion In Wastewater Collection And ...

Wastewater, pH measurements were 6 at four of the industrial sites, 5.5 at one site, and 10 at the remaining site. ,Wastewater, sulfide ranged from 0.0 to 0.3 mg/1. The ,wastewater, sulfide level was 0.05 mg/1 at the site where ,wastewater, pH was 5.5, and 0.0 mg/1 at the site where ,wastewater, pH was 10.

How to Remove Emulsified Oil from Wastewater with ...
How to Remove Emulsified Oil from Wastewater with ...

Oil appears in ,wastewater, in a number of different forms including free oil and grease (FOG), mechanically emulsified oil, oil ,wet, solids, chemically emulsified oil and dissolved oil. Free Oil and Grease. Free oil rises rapidly to the surface of the water tank …

Wastewater Laboratory Procedures And Chemistry
Wastewater Laboratory Procedures And Chemistry

Sample ,Wastewater, From Possible Results, mg/1 the Following Locations GocKl' ~ " Bad Sewers ,1 1 Outlets from force mains .1 1 ,Wet, pits, pumping stations .1 .5 Influents to treatment plants Preferably 0 .5 All of the above locations should be sampled, if pertinent, when using up-stream aeration to control H2S.

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