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Treatment of acid wastewater by Chitosan

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 acid wastewater by Chitosan
Wastewater Treatment Additives
Wastewater Treatment Additives

2. Water ,treatment methods, 2.1 Mechanical-chemical ,treatment, Solids have been removed from the ,wastewater, and water was collected in large basins in order to allow solids to settle to the bottom. This was the version of a ,wastewater treatment, plant. Later, flocculants were used in order to improve the settling of the solids and a better ...

Steam Stripping - Wastewater & Process Water Treatment ...
Steam Stripping - Wastewater & Process Water Treatment ...

Steam Stripping – Modular Systems for ,Wastewater Treatment, Stripping organic contaminants from a plant’s ,wastewater, stream is a major problem facing processing managers and engineers. High costs, aging infrastructures, tighter regulations, and greater water …

Highly efficient treatment of terephthalic acid wastewater ...
Highly efficient treatment of terephthalic acid wastewater ...

Treatment of terephthalic acid (TA) wastewater by a Fenton-like tourmaline/H 2 O 2 system combined with aerobic activated sludge was investigated. In the case of pre-treatment, Fenton-like oxidation was aimed at decomposing the fractions of TA wastewater that can be quite difficult to degrade

Wastewater Treatment Methods and Disposal - 1...
Wastewater Treatment Methods and Disposal - 1...

Some Physical, Chemical and Biological Wastewater Treatment Methods... Physical... - Sedimentation (Clarification). - Screening. - Aeration. - Filtration. - Flotation and skimming. - Degassification. - Equalization. Chemical... - Chlorination. - Ozonation. - Neutralization. - Coagulation. - Adsorption. - Ion Exchange. Biological... Aerobic:

Effects of microplastics on wastewater and sewage sludge ...
Effects of microplastics on wastewater and sewage sludge ...

15/2/2020, · It is well known that large amounts of sludge are produced during biological ,wastewater treatment,, which needs to be disposed, and the most ,common, treated method is digestion. It has been reported that in sludge digestion process microplastics affect microbial communities and inhibit sludge hydrolysis, acetic ,acid, accumulation, hydrogen generation and methane production [9] , [10] .

Waste Water Treatment Methods | IntechOpen
Waste Water Treatment Methods | IntechOpen

Population growth leads to significant increases in default volumes of waste water, which makes it an urgent imperative to develop effective and affordable technologies for wastewater treatment. The physico-chemical processes common treatment (coagulation and flocculation) using various chemical reagents (aluminum chloride or ferric chloride, polyelectrolytes, etc.) and generates large amounts of sludge.

Microplastics in wastewater treatment plants: Detection ...
Microplastics in wastewater treatment plants: Detection ...

1/4/2019, · Alternative ,methods, for organic matters removal in ,wastewater, and sludge samples include alkaline ,treatment, and ,acid treatment, (Ziajahromi et al., 2017). However, the application of these ,methods, required extra concern. Coles et al. (2014) found that the harsh condition (10M of NaOH at 60 °C) would damage the microplastics.

Wastewater Treatment-Physical and Chemical Methods
Wastewater Treatment-Physical and Chemical Methods

effective in the removal of chlorendic ,acid,, PCBs, and humic acids. Hartup17 developed a process involving FeCl3, Mg(OH)2, NaOH, NaOCl, and polymer ,treatment, of spent battery ,acid,, which achieved >99% removal of metals and generated half the sludge volume of conventional ,treatment methods,…

Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Final treatment of iron and steel products before onward sale into manufacturing includes pickling in strong mineral acid to remove rust and prepare the surface for tin or chromium plating or for other surface treatments such as galvanisation or painting. The two acids commonly used …

Wastewater Treatment-Physical and Chemical Methods
Wastewater Treatment-Physical and Chemical Methods

effective in the removal of chlorendic ,acid,, PCBs, and humic acids. Hartup17 developed a process involving FeCl3, Mg(OH)2, NaOH, NaOCl, and polymer ,treatment, of spent battery ,acid,, which achieved >99% removal of metals and generated half the sludge volume of conventional ,treatment methods,…

Treatment Technologies for Organic Wastewater | IntechOpen
Treatment Technologies for Organic Wastewater | IntechOpen

17/11/2011, · Nowadays, due to the increasing presence of molecules, refractory to the microorganisms in the ,wastewater, streams, the conventional biological ,methods, cannot be used for complete ,treatment, of the effluent and hence, introduction of newer technologies to convert it into less harmful or lower chain compounds which can be then treated biologically, has become imperative.

BARIUM CARBONATE TREATMENT OF SULFURIC ACID WASTEWATER ...
BARIUM CARBONATE TREATMENT OF SULFURIC ACID WASTEWATER ...

Proper ,treatment, of waste effluents containing sulfuric ,acid, is necessary before discharging the ,wastewater, into natural bodies of water or into municipal sewerage systems.

Advanced Oxidation Processes (AOPs) in Wastewater Treatment
Advanced Oxidation Processes (AOPs) in Wastewater Treatment

18/9/2015, · ,Advanced oxidation, processes (AOPs) were first proposed in the 1980s for drinking water ,treatment, and later were widely studied for ,treatment, of different wastewaters. During the AOP ,treatment, of ,wastewater,, hydroxyl radicals (OH·) or sulfate radicals (SO4 ·−) are generated in sufficient quantity to remove refractory organic matters, traceable organic contaminants, or certain inorganic ...

Integration of wastewater treatment into process design of ...
Integration of wastewater treatment into process design of ...

3/2/2020, · Various wastewater treatment methods have been explored for these wastes. One common treatment method is evaporation of the stillage into a syrup and subsequent spray drying of the syrup onto spent grains for production of animal feed known as dried distillers’ grains with solubles (DDGS) [ 11 ].

Study on Treatment of Salicylhydroxamic Acid Wastewater ...
Study on Treatment of Salicylhydroxamic Acid Wastewater ...

The common treatment methods for flotation wastewater in practical engineering are natural sunlight degradation, coagulation, and flocculation, which are difficult to achieve the removal effect. In recent years, advanced oxidation processes (AOPs) were considered as methods with application prospect to transform nonbiodegradable pollutants into harmless substances [ 5 ].

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

Wastewater with a high pH is generally neutralized with sulfuric acid (H 2 SO 4), hydrochloric acid (HCl), or carbon dioxide (CO 2). The most common chemicals used are H 2 SO 4 and NaOH. Neutralization can be accomplished by batch treatment or continuous flow processes. Batch treatment is …

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