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Ferric sulfate 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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Ferric sulfate acid wastewater
Current Methods for the Remediation of Acid Mine Drainage ...
Current Methods for the Remediation of Acid Mine Drainage ...

1/1/2018, · Filtration/Coagulation Techniques in Metals, Removal, From, Mine, Water This is a volume reduction technique in, mine water treatment,, weather tailings, filtration, and thickening or AMD. It is more of physical technology use for the, removal, of bigger or smaller particles from, wastewater, before undergoing any chemical, treatment,.

Dye - Wikipedia
Dye - Wikipedia

Usually acetic ,acid, is added to the ,dye, bath to help the uptake of the ,dye, onto the fiber. Basic dyes are also used in the coloration of paper . Direct or substantive dyeing is normally carried out in a neutral or slightly alkaline ,dye, bath, at or near boiling point , with the addition of either sodium chloride (NaCl) or sodium sulfate (Na 2 SO 4 ) or sodium carbonate (Na 2 CO 3 ).

Decolorization and detoxification of azo dye by halo ...
Decolorization and detoxification of azo dye by halo ...

The high ,pH, and salinity of textile ,wastewater, is a major hindrance to ,azo dye, decolorization. In this study, a mixed bacterial consortium ZW1 was enriched under saline (10% salinity) and alkaline (,pH, 10.0) conditions to decolorize Methanil Yellow G (MY-G).

In vivo and in vitro efficient textile wastewater ...
In vivo and in vitro efficient textile wastewater ...

Three ,acid, anionic dyes were applied in the adsorption experiment: ,Acid, Blue 40 (an ,azo,-type ,dye,), ,Acid, Orange 56 (a typical anthraquinone ,dye,) and Methylene Blue (a common aromatic ,dye,). For convenience, we defined each ,dye, culture medium like this, for example, B-40(5) represents 5 mg ,Acid, Blue 40 dispersed into 100 mL of Czapek–Dox culture medium.

Open Access Publish Free Application of Taguchi’s ...
Open Access Publish Free Application of Taguchi’s ...

the electrochemical oxidation process in removal of chemical oxygen demand (COD) and ,Acid, Red 18 (AR18) ,dye, from aqueous solutions. Methods: In this research, a laboratory scale of electro-coagulation reactor for the treatment of synthetic ,wastewater, was made and studied. The effects of different variables including ,pH,, current density, ,dye

Bioremediation of textile azo dyes by newly isolated ...
Bioremediation of textile azo dyes by newly isolated ...

(100mg/L) at ,pH, 6 at 370C within 72 hours and 99% ,Acid, orange 7 (100mg/L and ,pH, 6-8) at 300C within 48 hours under shaking condition. The decolorization potential of this bacterium can be utilized for the ,dye, removal from ,wastewater, aerobically. Keywords: Bioremediation, Textile ,Azo, dyes, ,Acid, red 2, ,Acid, orange 7, Decolorization, Bacillus sp ...

Purification and Analysis of Norcadia spp . Azoreductase
Purification and Analysis of Norcadia spp . Azoreductase

Nocardia spp. was isolated as ,Acid, Red degrader. The reductive cleavage of ,azo, bond was catalyzed by ,azo, reductase, the key enzyme for the ,azo dye, degradation. ,Azo, reductase from the Nocardia spp. isolate was purified and characterized. Azoreductase was found to have the following features. The catalytic reduction of ,acid, red 37 by purified azoreductase in the presence of NADH as electron ...

Removal of an azo dye (Orange G) from aqueous solution ...
Removal of an azo dye (Orange G) from aqueous solution ...

OG, an ,azo dye,, is the disodium salt of benzene-,azo,-6:8-disulphuric ,acid,. In ,azo, dyes, one or more ,azo, groups (–N = N–) are bound to aromatic rings. The widespread applications of ,azo, dyes are accounted for by their chemical stability and versatility, which are due to their molecular structure (Sun et al. 2009; Abdelkader et al. 2011).

Environmental Photochemistry on Semiconductor Surfaces ...
Environmental Photochemistry on Semiconductor Surfaces ...

Photosensitized degradation of a textile ,azo dye,, ,Acid, Orange 7, has been carried out on TiO2 particles using visible light. Mechanistic details of the ,dye, degradation have been elucidated using diffuse reflectance absorption and FTIR techniques. Degradation does not occur on Al2O3 surface or in the absence of oxygen. The dependence of the ,dye, degradation rate on the surface coverage shows the ...

Decolorization and detoxification of azo dye by halo ...
Decolorization and detoxification of azo dye by halo ...

The high ,pH, and salinity of textile ,wastewater, is a major hindrance to ,azo dye, decolorization. In this study, a mixed bacterial consortium ZW1 was enriched under saline (10% salinity) and alkaline (,pH, 10.0) conditions to decolorize Methanil Yellow G (MY-G).

Nanomaterials | Free Full-Text | Carbonized Lanthanum ...
Nanomaterials | Free Full-Text | Carbonized Lanthanum ...

Azo, dyes (e.g., ,acid, red 18) are one of the synthetic dyes that are used in many industries. The treatment and disposal of ,dye,-contaminated ,wastewater, are one of the most serious environmental problems. Intermediate products of ,azo, dyes are toxic, mutagenic and carcinogenic to humans and aquatic life.

Coupling azo dye degradation and biodiesel production by ...
Coupling azo dye degradation and biodiesel production by ...

8/3/2021, · Textile industry represents one prevalent activity worldwide, generating large amounts of highly contaminated and rich in ,azo, dyes ,wastewater,, with severe effects on natural ecosystems and ,public health,. However, an effective and environmentally friendly treatment method has not yet been implemented, while concurrently, the increasing demand of modern societies for adequate and …

Fast Degradation of Azo Dyes by Using Cu-based Metallic ...
Fast Degradation of Azo Dyes by Using Cu-based Metallic ...

Wastewater, containing ,azo dye, has become a main harm in water pollution. Therefore, development of environment friendly materials with efficient purifying capacity seized more and more attention of people devoting to ,dye wastewater, processing. On the other hand, advancement of metallic glasses in degrading organic water contaminant has also received wide concern.

Modeling and optimization of acid dye manufacturing ...
Modeling and optimization of acid dye manufacturing ...

In the present study, Fenton's oxidation of a chromium complex disazo ,dye, (,Acid, Blue 193) synthesis ,wastewater, was evaluated, modeled and optimized by employing Central Composite Design. Within this context, the individual and interactive effects of critical process parameters such as Fe2+, H2O2 concentrations, initial chemical oxygen demand (COD) and reaction time was assessed.

Treatment of azo dye (Acid Orange ii) wastewater by pulsed ...
Treatment of azo dye (Acid Orange ii) wastewater by pulsed ...

Pulsed high-voltage electrical discharge was used in treating ,azo dye, (,Acid, Orange ii, AO7) ,wastewater,. The effects of initial ,pH,, Fe²⁺ concentration, discharge mode, conductivity of initial aqueous solution and the type of bubbling gas (air, O₂, N₂) on AO7 degradation were studied.

Dye - Wikipedia
Dye - Wikipedia

Usually acetic ,acid, is added to the ,dye, bath to help the uptake of the ,dye, onto the fiber. Basic dyes are also used in the coloration of paper . Direct or substantive dyeing is normally carried out in a neutral or slightly alkaline ,dye, bath, at or near boiling point , with the addition of either sodium chloride (NaCl) or sodium sulfate (Na 2 SO 4 ) or sodium carbonate (Na 2 CO 3 ).

Amine-Modified Mesoporous Magnesium Carbonate as an ...
Amine-Modified Mesoporous Magnesium Carbonate as an ...

discharge of ,azo dye, containing ,wastewater, into natural water sources can cause discoloration even at low concentrations. ,Azo dye, containing ,wastewater, will also interfere with light transmission through the water, which disturbs the aquatic ecosystem and is esthetically displeasing.8 More importantly, many ,azo, dyes are toxic to the environment ...

Fast Degradation of Azo Dyes by Using Cu-based Metallic ...
Fast Degradation of Azo Dyes by Using Cu-based Metallic ...

Wastewater, containing ,azo dye, has become a main harm in water pollution. Therefore, development of environment friendly materials with efficient purifying capacity seized more and more attention of people devoting to ,dye wastewater, processing. On the other hand, advancement of metallic glasses in degrading organic water contaminant has also received wide concern.

Toxicity and Fate of Azo Dyes Danish Environmental ...
Toxicity and Fate of Azo Dyes Danish Environmental ...

Shu et al. (1994) demonstrated photo-oxidation (UV/H 2 O 2--photo chemical reactor) of two ,non,-biodegradable ,azo, dyes in ,waste water, (,Acid, Red 1* and ,Acid, Yellow 23*). It was observed that the decomposition of both ,azo, dyes was pseudo-first order reactions with respect to ,azo dye, concentrations.

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