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Main sources and characteristics 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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Main sources and characteristics of acid wastewater
Treatment of Cheese Processing Wastewater by ...
Treatment of Cheese Processing Wastewater by ...

Abstract: ,The wastewater, resulting from cheese production is the most polluting among all types of dairy wastewaters given that it contains a huge quantity of organic biodegradable matters. In this study, we realized two treatments of cheese processing ,wastewater,; the first, a physicochemical one, by coagulation-flocculation

Wastewater treatment in the fishery industry - 2 ...
Wastewater treatment in the fishery industry - 2 ...

The pH itself is not a contaminant but is important as a characterization parameter since it may reveal contamination or indicate the need for its correction before biological treatment of ,the wastewater,. Effluents from fish processing plants are seldom ,acidic, and are usually close to 7 or alkaline.

Treatment of Industrial Effluents - Environmental Pollution
Treatment of Industrial Effluents - Environmental Pollution

It is seen from Table I that the wastewaters discharged from degreasing, painting, zinc plating and alkali dipping operations are alkaline and the wastes from acid dipping, chromium plating and pickling operations are acidic.

Reuse of wastewater from phosphate fertilizer factories ...
Reuse of wastewater from phosphate fertilizer factories ...

Industrial wastewater The industrial wastewater (acidic water) was obtained from Manquebad Superphosphate, Fertilizer Factory, (Egyptian Financial and Industrial Co. JSC (EFIC), Manquebad, Assiut, Upper-Egypt). This acidic water is the residues water proceeded from producing sulphuric acid and its general characteristics include:

Factory Wastewater Treatment for Manufacturing Businesses ...
Factory Wastewater Treatment for Manufacturing Businesses ...

• pH Adjustment Systems maintain the pH of process water or ,wastewater, for discharge to a sanitary sewer. • pH Neutralization Systems adjust the pH of highly concentrated ,acidic, or caustic solutions. After neutralization, the solutions are ready for use in specific manufacturing processes, or for discharge to …

Methane recovery from acidic tofu wastewater using an ...
Methane recovery from acidic tofu wastewater using an ...

3/1/2021, · ,Tofu, is produced by coagulating soymilk, and a majority of the, tofu, factories in Indonesia employ acid coagulants, such as fermented whey or vinegar, for this process [ 4 ]. This results in acidic wastewater with a pH value of 3.6–5.5 and a chemical oxygen demand (COD) concentration of 5000–8500 mg/L [ 5, 6 ].

Advanced technologies for the treatment of wastewaters ...
Advanced technologies for the treatment of wastewaters ...

18/9/2017, · Numerous research studies carried on the, anaerobic acidogenesis, of dairy, wastewaters, indicate better treatment efficiencies were achieved on dairy effluents, namely cheese, fresh milk, and milk powder/butter factories, using a small-scale mesophilic two-phase system.

EPA takes over treatment of acidic slightly radioactive ...
EPA takes over treatment of acidic slightly radioactive ...

By Ben Raines | braines@al.com The U.S. Environmental Protection Agency has assumed control of wastewater treatment at the shuttered Mississippi Phosphates Corporation factory in …

Treatment of Industrial Effluents - Environmental Pollution
Treatment of Industrial Effluents - Environmental Pollution

17/9/2016, · It is seen from Table I that the wastewaters ,discharged, from degreasing, painting, zinc plating and alkali dipping operations are alkaline and the wastes from acid dipping, chromium plating and pickling operations are ,acidic,.

Oceania Dairy Factory Wastewater Pipeline and Outfall ...
Oceania Dairy Factory Wastewater Pipeline and Outfall ...

wastewater, which has high conductivity, or ,is acidic, or alkali, is diverted to the “,factory wastewater,” treatment system. • “,Factory wastewater,”: this is produced by cleaning the ,factory, equipment, and comprises a mix of milk residues and cleaning products.

CHALLENGES AND INNOVATIONS IN DAIRY FACTORY …
CHALLENGES AND INNOVATIONS IN DAIRY FACTORY …

wastewater while the production of, lactic, acid in the wastewater from, cheese, casein, and, whey, plants makes the wastewater from these plants acidic. The wastewater pH can vary anywhere between 2 and 13 within short timeframes. Providing a treatment system that can manage these varying conditions and provide reliable treatment to comply

How to Treat Wastewater from Paint Industry? | Waste ...
How to Treat Wastewater from Paint Industry? | Waste ...

13/8/2018, · ,Waste-Water, from Resin House: The, waste-water, from resin house is that which accumulates from the condenser into the, separator., The, water, layer is disposed off in the, waste-water, stream and the upper layer of solvents is reused. The, water, from, separator, is generally, acidic, with pH range from 3.2 to 6.3.

Advanced technologies for the treatment of wastewaters ...
Advanced technologies for the treatment of wastewaters ...

18/9/2017, · Numerous research studies carried on the anaerobic acidogenesis of dairy wastewaters indicate better treatment efficiencies were achieved on dairy effluents, namely cheese, fresh milk, and milk powder/butter factories, using a small-scale mesophilic two-phase system.

EPA takes over treatment of acidic slightly radioactive ...
EPA takes over treatment of acidic slightly radioactive ...

By Ben Raines | braines@al.com The U.S. Environmental Protection Agency has assumed control of wastewater treatment at the shuttered Mississippi Phosphates Corporation, factory, in, Pascagoula,, …

Dark fermentation of starch factory wastewater with acid ...
Dark fermentation of starch factory wastewater with acid ...

28/7/2020, · ,Biohydrogen (Bio-H 2), can be produced from starch factory wastewater and mixed microorganisms using dark fermentation. Acidic and basic chemicals were used to treat the microorganisms to select the hydrogen (H 2 )-producing culture. The experiment used a 120 mL bioreactor at 35 °C and the operation commenced with the initial pH level of wastewater ...

A Factory Wishes To Discharge An Acidic Waste To A ...
A Factory Wishes To Discharge An Acidic Waste To A ...

A, factory, wishes to, discharge, an, acidic waste, to a local stream. State regulators want to assure that the local fish population is not harmed by too drastic a change in pH. Your job is to estimate how much, wastewater, can be, discharged, (in Liters min) so that the pH of the stream downstream doesn't change by more than 1.0 pH units.

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