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Production of acid wastewater from pyrite production

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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Production of acid wastewater from pyrite production
(PDF) Decolorization of Wastewater - ResearchGate
(PDF) Decolorization of Wastewater - ResearchGate

The public demand for, color-free waste discharge, to receiving waters and tougher color standards have made, decolorization, of a variety of industrial wastes a top priority. Unfortunately, with the...

Decolorization of textile wastewater by ozonation and ...
Decolorization of textile wastewater by ozonation and ...

Acid, Red 337 and Reactive Orange 16 dye solutions and the effluents of ,acid, and reactive dye-bath effluents were used in the experiments. The influence of ozone dose and pH for color and COD removal from the ,wastewater, were studied. Increasing the ozone dose increased the rate constants, and color and COD removal efficiencies.

Rapid decolorization of textile wastewater by green ...
Rapid decolorization of textile wastewater by green ...

The objective of this study is to compare the reactivity of nZVI synthesized with green tea leaves and pomegranate extract for the decolorization of a real textile ,wastewater, sample. Green tea was selected as a reference material due to the considerable amount of …

REMOVAL OF ACRYLIC ACID (AA) FROM PROCESS WATER BY …
REMOVAL OF ACRYLIC ACID (AA) FROM PROCESS WATER BY …

wt%, acetic ,acid, (3.3 wt %), maleic ,acid, anhydrated (1.8 wt %), including acrylic ,acid, (AA) which has the higher weight percentage in the process water which is 4wt% . So, the AA and others component need to ,remove, before the water can be used again. AA also can mix and found azeotrope with other component in the process water such as formaldehyde

Experimental investigation on dye wastewater treatment ...
Experimental investigation on dye wastewater treatment ...

1/12/2020, · The decolorization efficiencies of, AO7 dye wastewater, flowing through the anodic and cathodic channels respectively are different due to their different oxidative degradation mechanisms. For example, the NaCl concentration and ARS flow rate affect …

Decolorization of acid disperse and reactive dyes by ...
Decolorization of acid disperse and reactive dyes by ...

29/7/2017, · The mycoremediation has been considered as a promising method for, decolorizing, dye, wastewater., To explore new bioresource for mycoremediation, a new white-rot fungus that could decolorize various dyes commonly used in textile industries was isolated, and its ligninolytic enzyme activity and decolorization capacity were characterized.

Decolorization of Dyeing Wastewater Using Polymeric ...
Decolorization of Dyeing Wastewater Using Polymeric ...

29/2/2012, · Methods of dye ,wastewater, treatment have been reported [11-14]. Also, fungal and bacterial decolorization methods have been reviewed [15-18]. There are several reported methods for the removal of pollutants from effluents. The technologies can be …

Study on Decolorization of Wastewater Containing Acid ...
Study on Decolorization of Wastewater Containing Acid ...

In this paper, the adsorption and ,decolorization, capability of expanded graphite (EG) on the simulated ,wastewater, containing ,Acid, Orange Ⅱwere studied. The experimental results show that the initial concentration of ,wastewater,, the dosage of EG, the pH value and the temperature all have greater effects on the ,decolorization, ratio of simulated ,Acid, Orange Ⅱ ,wastewater,.

Wastewater Treatment during PCB Fabrication Process | PSPCB
Wastewater Treatment during PCB Fabrication Process | PSPCB

Why Pay Attention to Treat The ,Wastewater, Produced by PCB Fabrication Process. PCB fabrication process is a very complex and highly integrated technology, during which a large amount of ,wastewater, is produced.The ,wastewater, has a complex composition, contains a variety of heavy metals ions, metal complexes, organic polymer compounds, and various organic additives.

Decolorization of Dyeing Wastewater Using Polymeric ...
Decolorization of Dyeing Wastewater Using Polymeric ...

1.2. Decolorization techniques Methods of dye ,wastewater, treatment have been reported [11-14]. Also, fungal and bacterial decolorization methods have been reviewed [15-18]. There are several reported methods for the removal of pollutants from effluents. The technologies can be divided into three catego‐ ries: biological, chemical and physical [11].

Decolorization of acid red dyeing wastewater by Modified ...
Decolorization of acid red dyeing wastewater by Modified ...

This study introduces the best prepared methods of Modified Bentonite -Chitosan Adsorbent, and analysises the best decolorizing test conditions of printing and dyeing ,wastewater, treatment by it. The results show that, modifying bentonite by 1mol/L H2SO4 is desirable, the best solid-liquid ratio of bentonite and chitosan is 0.833g/ml, the best conditions of the oscillator ...

Study on Decolorization of Wastewater Containing Acid ...
Study on Decolorization of Wastewater Containing Acid ...

In this paper, the adsorption and decolorization capability of expanded graphite (EG) on the simulated ,wastewater, containing ,Acid, Orange Ⅱwere studied. The experimental results show that the initial concentration of ,wastewater,, the dosage of EG, the pH value and the temperature all have greater effects on the decolorization ratio of simulated ,Acid, Orange Ⅱ ,wastewater,.

"Sustainable Decolorization of Reactive and Acid Dye ...

Jablonski, Marissa R., ",Sustainable Decolorization of Reactive and Acid, Dye ,Wastewater, Using Photo-fenton Oxidation Both with and Without Biodegradation: Laboratory and Field Studies" (2015). Theses and Dissertations. 883. https://dc.uwm.edu/etd/883

Decolorization of dye wastewaters by biosorbents: A review ...
Decolorization of dye wastewaters by biosorbents: A review ...

1/10/2010, · A study by Ozer et al. (2006) revealed the potential ability of the algae S. rhizopus to decolorize synthetic, wastewaters containing initial concentration of dye Acid Red 274 from 25 to 1000 mg/L., Almost complete removal of Acid Red 274 dye from synthetic wastewater with final concentration lower than 25 mg/L was achieved by using S. rhizopus resulting from biocoagulation and biosorption.

US5091089A - Microbial decolorization of wastewater ...
US5091089A - Microbial decolorization of wastewater ...

US5091089A - Microbial decolorization of ,wastewater, - Google Patents. Present invention offers, for the first time, a biological approach through the use of white-rot fungi to the decolorization of dye ,wastewater,. It is also applicable to other colored substances and/or their ,wastewater, such as molasses.

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