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Acid mine wastewater from tunnel slag

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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Acid mine wastewater from tunnel slag
Strategies to improve the adsorption properties of ...
Strategies to improve the adsorption properties of ...

The maximum ,adsorption, capacity of S-doped graphene sponge with respect to Cu 2+ was 3.59 mmol/g, which was 40 times higher than that of ,activated carbon,, and the ,adsorption, reaction could reach ,adsorption, equilibrium within 5 min. Han et al. (2015) fabricated tetraethylenepentamine (TEPA) modified graphene foam (TEPA-GF) by using TEPA as reductant and cross-linker via hydrothermal method.

Glutaraldehyde: behavior in aqueous solution reaction ...
Glutaraldehyde: behavior in aqueous solution reaction ...

Glutaraldehyde, a linear, 5-,carbon, dialdehyde, is a clear, colorless to pale straw-colored, pungent oily liquid that is soluble in all proportions in water and alcohol, as well as in organic solvents. It is mainly available as acidic aqueous solutions (pH 3.0–4.0), ranging in …

Removal of water pollutants by adsorption on activated ...
Removal of water pollutants by adsorption on activated ...

adsorption, of Cu2+ can be significantly improved by the presence of MnO 2 fixed on ,activated carbon,. Concerning the organic pollutants, the study shows the effectiveness of the ,activated carbon, to remove dyes from individual and real effluents and pharmaceutical products from single and mixture solutions. Many models are used to

Electrocatalytic Properties of a Novel β-PbO2/Halloysite ...
Electrocatalytic Properties of a Novel β-PbO2/Halloysite ...

To improve the efficiency of electrochemical degradation of ,wastewater,, lead dioxide was synthesized by a hydrothermal method with low cost, simple operation, and high conversion rate. β-PbO2/HNT composites were prepared by a hydrothermal method with Halloysite nanotubes (HNTs) and β-PbO2. The PbO2/HNT/ITO electrode was prepared by modifying the β-PbO2/HNT composite on an indium tin …

Strategies to improve the adsorption properties of ...
Strategies to improve the adsorption properties of ...

The maximum ,adsorption, capacity of S-doped graphene sponge with respect to Cu 2+ was 3.59 mmol/g, which was 40 times higher than that of ,activated carbon,, and the ,adsorption, reaction could reach ,adsorption, equilibrium within 5 min. Han et al. (2015) fabricated tetraethylenepentamine (TEPA) modified graphene foam (TEPA-GF) by using TEPA as reductant and cross-linker via hydrothermal method.

Decolorization on dye wastewater by manganese oxides ...
Decolorization on dye wastewater by manganese oxides ...

The ,decolorization, ability of PDM was compared with the ability of powdered ,activated carbon, (PAC).The initial pH value is the key factor affected PDM ,decolorization,.Lower pH value and adequate contact time can improve ,decolorization, efficiency.The ,adsorption, capacity of PDM is for higher than PAC in ,strong, acidic medium (pH=1.2).The ,wastewater, wave length of UV-Vis spectra absorption …

Electrocatalytic Properties of a Novel β-PbO2/Halloysite ...
Electrocatalytic Properties of a Novel β-PbO2/Halloysite ...

To improve the efficiency of electrochemical degradation of ,wastewater,, lead dioxide was synthesized by a hydrothermal method with low cost, simple operation, and high conversion rate. β-PbO2/HNT composites were prepared by a hydrothermal method with Halloysite nanotubes (HNTs) and β-PbO2. The PbO2/HNT/ITO electrode was prepared by modifying the β-PbO2/HNT composite on an indium tin …

Electrocatalytic Properties of a Novel β-PbO2/Halloysite ...
Electrocatalytic Properties of a Novel β-PbO2/Halloysite ...

To improve the efficiency of electrochemical degradation of ,wastewater,, lead dioxide was synthesized by a hydrothermal method with low cost, simple operation, and high conversion rate. β-PbO2/HNT composites were prepared by a hydrothermal method with Halloysite nanotubes (HNTs) and β-PbO2. The PbO2/HNT/ITO electrode was prepared by modifying the β-PbO2/HNT composite on an indium tin …

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

17/11/2011, · ,Activated carbon, is by far the most common adsorbent used in ,wastewater, treatment. Since, during ,adsorption,, the pollutant is removed by accumulation at the interface between the ,activated carbon, (absorbent) and the ,wastewater, (liquid phase) the adsorbing capacity of ,activated carbon, is always associated with very high surface area per unit volume.

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

17/11/2011, · ,Activated carbon, is by far the most common adsorbent used in ,wastewater, treatment. Since, during ,adsorption,, the pollutant is removed by accumulation at the interface between the ,activated carbon, (absorbent) and the ,wastewater, (liquid phase) the adsorbing capacity of ,activated carbon, is always associated with very high surface area per unit volume.

Methods For Textile Industry Wastewater Treatment
Methods For Textile Industry Wastewater Treatment

The electrolysis method has a good treatment effect on the treatment of textile ,wastewater, containing ,acid, dyes, and the ,decolorization, rate is 50% to 70%, but the treatment effect on ,wastewater, with deep color and high CODCr is poor.

Adsorption materials for volatile organic compounds (VOCs ...
Adsorption materials for volatile organic compounds (VOCs ...

18/3/2020, · ,Activated carbon, having a higher specific surface area is obtained by ,acid, activation. Zuo used H 3 PO 4 to activate fir wood precursor to obtain ,activated carbon, with a specific surface area of 2518 m 2 /g. Under the same conditions, ,activated carbon, with a specific surface area of 1946 m 2 /g was obtained by H 2 SO 4 activation.

Adsorption materials for volatile organic compounds (VOCs ...
Adsorption materials for volatile organic compounds (VOCs ...

18/3/2020, · ,Activated carbon, having a higher specific surface area is obtained by ,acid, activation. Zuo used H 3 PO 4 to activate fir wood precursor to obtain ,activated carbon, with a specific surface area of 2518 m 2 /g. Under the same conditions, ,activated carbon, with a specific surface area of 1946 m 2 /g was obtained by H 2 SO 4 activation.

Glutaraldehyde: behavior in aqueous solution reaction ...
Glutaraldehyde: behavior in aqueous solution reaction ...

Glutaraldehyde, a linear, 5-,carbon, dialdehyde, is a clear, colorless to pale straw-colored, pungent oily liquid that is soluble in all proportions in water and alcohol, as well as in organic solvents. It is mainly available as acidic aqueous solutions (pH 3.0–4.0), ranging in …

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

For instance, it was also effective in decolorizing molasses fermentation ,wastewater,. Since Ganoderma fungi is a well consumed fungi in the Orient particularly for its medicinal value, we have reason to believe that this color transforming and/or removing ability has great potential in facilitating the manufacturing of specialty food and drug products where color may present certain unique consideration.

Strategies to improve the adsorption properties of ...
Strategies to improve the adsorption properties of ...

The maximum ,adsorption, capacity of S-doped graphene sponge with respect to Cu 2+ was 3.59 mmol/g, which was 40 times higher than that of ,activated carbon,, and the ,adsorption, reaction could reach ,adsorption, equilibrium within 5 min. Han et al. (2015) fabricated tetraethylenepentamine (TEPA) modified graphene foam (TEPA-GF) by using TEPA as reductant and cross-linker via hydrothermal method.

Application Fields Of Powdered Activated Carbon - Industry ...
Application Fields Of Powdered Activated Carbon - Industry ...

2., Activated carbon, for, water, treatment. Powdered, activated carbon, (PAC) is widely used in tap water treatment and sewage treatment due to its excellent pore structure and, strong adsorption, and, decolorization, ability. 3., Active carbon,, sugar, oil and other food additives for food. The product is made of sawdust by a unique phosphoric acid process. It has large specific surface area,, strong adsorption, …

Glutaraldehyde: behavior in aqueous solution reaction ...
Glutaraldehyde: behavior in aqueous solution reaction ...

Glutaraldehyde, a linear, 5-,carbon, dialdehyde, is a clear, colorless to pale straw-colored, pungent oily liquid that is soluble in all proportions in water and alcohol, as well as in organic solvents. It is mainly available as acidic aqueous solutions (pH 3.0–4.0), ranging in …

Adsorption materials for volatile organic compounds (VOCs ...
Adsorption materials for volatile organic compounds (VOCs ...

18/3/2020, · ,Activated carbon, having a higher specific surface area is obtained by ,acid, activation. Zuo used H 3 PO 4 to activate fir wood precursor to obtain ,activated carbon, with a specific surface area of 2518 m 2 /g. Under the same conditions, ,activated carbon, with a specific surface area of 1946 m 2 /g was obtained by H 2 SO 4 activation.

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

17/11/2011, · ,Activated carbon, is by far the most common adsorbent used in ,wastewater, treatment. Since, during ,adsorption,, the pollutant is removed by accumulation at the interface between the ,activated carbon, (absorbent) and the ,wastewater, (liquid phase) the adsorbing capacity of ,activated carbon, is always associated with very high surface area per unit volume.

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