Welcome to the company ! we have many years of professional experience !
rsdgj@pyzyrsd.com +86 513525609655

Index of acid mine 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.

Certificate of Honor

Get in touch with us

We will confidentially process your data and will not pass it on to a third party.

Index of acid mine wastewater
Mine tailings-based geopolymers: Properties applications ...
Mine tailings-based geopolymers: Properties applications ...

21/3/2021, · The curing temperature has a powerful effect on the mechanical properties and microstructure of MTs-based geopolymers. Tian et al. investigated the effect of cure temperature on the properties of copper tailing-based geopolymers [].Moderately elevated curing temperature (20–80 °C) promoted uniform dissolution of aluminosilicate and C–S–H and N–A–S–H gel formation, which …

(PDF) Adsorption of multi-heavy metals onto water ...
(PDF) Adsorption of multi-heavy metals onto water ...

Standard analysis solutions of each ,heavy metal, (As(V), Cd2+, Pb2+ and Zn2+), based in nitric ,acid,, were used to make up the test solutions. Sorbent dosage of 1 g/L was used. 7 Solutions were shaken at 160 rpm over 48 hours, filtered (0.45 μm membrane filter), and analyzed by ICP-MS (for As, Cd and Pb) and AAS (for Zn) in triplicates.

Wastewater Treatment through Low Cost Adsorption ...
Wastewater Treatment through Low Cost Adsorption ...

7/4/2016, · The use of ,adsorption, techniques overcomes this problem leaving aqueous solutions with ,heavy metal, concentrations typically in the order of parts per billion . It has been shown that the governing mechanism for the ,adsorption, of cationic ,heavy, metals using biosorbents is based on ionic exchange reactions [ 34 ], which occurs throughout the removal of protons present in the different bark …

Microalgae and wastewater treatment - ScienceDirect
Microalgae and wastewater treatment - ScienceDirect

1/7/2012, · In the ,wastewater, treatment system (), the removal of biochemical oxygen demand (BOD), suspended solids, nutrients (NO 3--N, NO 2--N, NH 4 +-N and PO 4 3--P), coliform bacteria, and toxicity are the main goal for getting purified ,wastewater,.BOD exploits the ability of microorganisms to oxidize organic material to CO 2 and water using molecular oxygen as an oxidizing agent.

Adsorption of Heavy Metallic Ions in Electroplating ...
Adsorption of Heavy Metallic Ions in Electroplating ...

Modified acrylic fiber adsorbent was prepared for the efficient treatment of the electroplating ,wastewater, containing ,heavy, metallic ions. Thus the ,adsorption, effect and conditions of the ,heavy, metallic ions such as Cu~(2+), Ni~(2+), and Zn~(2+) by the modified acrylic fiber at static state were studied. It was found that after ,adsorption, by the modified acrylic fiber, the concentrations of ...

Application of Biosorption for Removal of Heavy Metals ...
Application of Biosorption for Removal of Heavy Metals ...

4/12/2017, · The process can be made economical by regenerating and reusing the biosorbent after removing the ,heavy, metals. Various bioreactors can be used in biosorption for the removal of ,metal, ions from large volumes of water or effluents. The recent developments and the future scope for biosorption as a ,wastewater, treatment option are discussed.

(PDF) The use of low-cost adsorbents for wastewater ...
(PDF) The use of low-cost adsorbents for wastewater ...

Also ,adsorption, of different metals and radioactive compounds from acidic environment similar to composition of mining and metallurgical wastewaters is considered. Pollutant transfer ,Adsorption, ...

Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Industrial wastewater treatment, describes the processes used for treating ,wastewater, that is produced by industries as an undesirable by-product. After treatment, the treated industrial ,wastewater, (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.. Most industries produce some ,wastewater,.Recent trends have been to minimize such production or ...

Treatment of antimony mine drainage: challenges and ...
Treatment of antimony mine drainage: challenges and ...

First, toxicity of ,heavy, metals in the ,acid mine, drainage can inhibit the activity of sulfate reducing bacteria (Azabou et al. 2007). Second, dissolved organic matter in the ,acid mine wastewater, is usually very low (10–20 mg·L −1), which is not conducive to bioremediation.

Ethylenediamine | C2H8N2 - PubChem
Ethylenediamine | C2H8N2 - PubChem

The effects of 2 depolarizing agents, high K+ and veratridine, and the gamma-aminobutyric ,acid, mimetic, ,ethylenediamine, (EDA), on transmitter release from glial cells and neurons were simultaneously determined. ,Ethylenediamine, released (3)H-gamma-aminobutyric ,acid, readily, whereas little (14)C-glycine release was observed.

Ethylenediamine | C2H8N2 - PubChem
Ethylenediamine | C2H8N2 - PubChem

The effects of 2 depolarizing agents, high K+ and veratridine, and the gamma-aminobutyric ,acid, mimetic, ,ethylenediamine, (EDA), on transmitter release from glial cells and neurons were simultaneously determined. ,Ethylenediamine, released (3)H-gamma-aminobutyric ,acid, readily, whereas little (14)C-glycine release was observed.

A review on conventional and novel materials towards heavy ...
A review on conventional and novel materials towards heavy ...

Among various, wastewater, treatment techniques,, adsorption, is the most common technique to remove, heavy metal, in, wastewater, due to its flexible design, operation, and cost-effectiveness. Activated carbon being the most conventional adsorbent to remove, heavy metal, ion in, wastewater, owing to its microporous structure and ease of surface functionalization.

Mine tailings-based geopolymers: Properties applications ...
Mine tailings-based geopolymers: Properties applications ...

21/3/2021, · The curing temperature has a powerful effect on the mechanical properties and microstructure of MTs-based geopolymers. Tian et al. investigated the effect of cure temperature on the properties of copper tailing-based geopolymers [].Moderately elevated curing temperature (20–80 °C) promoted uniform dissolution of aluminosilicate and C–S–H and N–A–S–H gel formation, which …

Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Industrial wastewater treatment, describes the processes used for treating ,wastewater, that is produced by industries as an undesirable by-product. After treatment, the treated industrial ,wastewater, (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.. Most industries produce some ,wastewater,.Recent trends have been to minimize such production or ...

Adsorption of heavy metals from wastewater on kaolinite ...
Adsorption of heavy metals from wastewater on kaolinite ...

The research actuality of using kaolinite for the disposal of ,heavy metal wastewater, at home and abroad was introduced.The ,adsorption, effects of ,heavy, metals from ,wastewater, on kaolinite are generalized.The influences of pH,,adsorption, time,initial ,heavy, metals concentration,temperature,modified ways and existing ,metal, irons are analyzed.The ,adsorption, …

Chemical precipitation of heavy metals from wastewater by ...
Chemical precipitation of heavy metals from wastewater by ...

Current treatment technologies for the ,heavy metal wastewater, include solvent extraction, ion exchange, membrane filtration, emulsion liquid membrane, coagulation–flocculation, electrochemical treatment, photocatalysis, reduction, chemical precipitation, biosorption and common ,adsorption, (Sengupta et al. 2006; David & Edmund 2010; Yang & Xu 2015; Zhang & Wang 2017; Ayele et al. 2018).

CN103553173A - Method and device for removing heavy metal ...
CN103553173A - Method and device for removing heavy metal ...

The invention relates to a rotational flow strengthening method and device for removing ,heavy metal, ions from ,wastewater, through ,adsorption,. The method comprises the steps of mixing ,wastewater, containing ,heavy, metals with an adsorbent in a mixing unit, and dispersing the adsorbent uniformly; providing certain pressure and flow by the mixed liquid through a power unit (pump), entering a micro ...

ACID MINE DRAINAGE TREATMENT AND METAL REMOVAL …
ACID MINE DRAINAGE TREATMENT AND METAL REMOVAL …

Acid mine, drainage (AMD) is a dangerous form of pollution characterized by high acidity (pH near 2-3) and substantial quantities of sulfate and soluble metals (Fe, Zn, Cu, Ni, Pb, and Cd ions). The accumulation of sulfate in sediments and aquatic systems causes the release of toxic sulfides that can damage the environment ( Utgikar et al., 2002 ; Ghigliazza et al., 2000 ).

Microalgae and wastewater treatment - ScienceDirect
Microalgae and wastewater treatment - ScienceDirect

1/7/2012, · In the ,wastewater, treatment system (), the removal of biochemical oxygen demand (BOD), suspended solids, nutrients (NO 3--N, NO 2--N, NH 4 +-N and PO 4 3--P), coliform bacteria, and toxicity are the main goal for getting purified ,wastewater,.BOD exploits the ability of microorganisms to oxidize organic material to CO 2 and water using molecular oxygen as an oxidizing agent.

Chat Online Inquiry Email

Business cooperation

+86 513525609655

Company address

Road West, North Branch, Jingkai Road, Puyang City