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Treatment of 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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Treatment of acid wastewater
Ruthenium Iridium Coated Titanium Anode for ...
Ruthenium Iridium Coated Titanium Anode for ...

Ruthenium, Iridium Coated Titanium Anode for Electrochemical Treatment of Landfill Leachate The treatment of landfill leachate by electrochemical oxidation advanced oxidation processes (AOPs) has been reported as one of the most effective methods to degrade a …

Mining & Hydrometallurgy - DuPont
Mining & Hydrometallurgy - DuPont

Wastewater, produced through mining can come from many sources, including natural precipitation, hydrometallurgical processes, or ,acid, mine drainage (AMD). AMD is created when sulfide minerals are exposed to air and water, producing sulfuric ,acid,. All of these wastewaters typically contain heavy metals.

Solvent extraction: 1003 Research Articles
Solvent extraction: 1003 Research Articles

Solvent ,extraction, behavior of metal ions and selective separation Sc3+ in phosphoric ,acid, medium using P204 Fulltext Access 7 Pages 2019 Two-phase CFD modeling of pulsed disc and doughnut column: Prediction of dispersed phase holdup

Mining & Hydrometallurgy - DuPont
Mining & Hydrometallurgy - DuPont

Wastewater, produced through mining can come from many sources, including natural precipitation, hydrometallurgical processes, or ,acid, mine drainage (AMD). AMD is created when sulfide minerals are exposed to air and water, producing sulfuric ,acid,. All of these wastewaters typically contain heavy metals.

Hydrogen sulfide | H2S - PubChem
Hydrogen sulfide | H2S - PubChem

Bacteria found in your mouth and gastrointestinal tract ,produce hydrogen sulfide, from bacteria decomposing materials that contain vegetable or animal proteins. ,Hydrogen sulfide can, also result from industrial activities, such as food processing, coke ovens, kraft paper mills, tanneries, and petroleum refineries.,Hydrogen sulfide, is a flammable, colorless gas with a characteristic odor of rotten eggs.

PROCESS FOR TREATMENT OF WASTEWATER
PROCESS FOR TREATMENT OF WASTEWATER

A process for the treatment of acidic ,wastewater, which comprises hydrochloric ,acid,, nitric ,acid, as an optional component, 0.1 to 30 wt.-% of one or more dissolved metals selected from the group consisting of aluminum and heavy metals other than precious metals, and 10 to 500 wt.-ppm of at least one dissolved precious metal, wherein the process comprises the successive steps (1) to (5): (1 ...

A new ion imprinted polymer based on Ru(III ...
A new ion imprinted polymer based on Ru(III ...

Preparation of microspheric Fe(III)-ion imprinted polymer for selective solid phase ,extraction,. A novel ion-imprinted polymeric sorbent for separation ... species in ,wastewater,. A new ion imprinted polymer based on Ru(III)-thiobarbituric ,acid, complex for solid phase ,extraction of ruthenium,(III) prior to its determination by ETAAS. Microchimica Acta

Insights into the Mechanism of Extraction of Uranium (VI ...
Insights into the Mechanism of Extraction of Uranium (VI ...

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Direct separation of minor actinides from high level ...
Direct separation of minor actinides from high level ...

However, the presently available BTPs used in liquid-liquid ,extraction, suffer from one or more drawbacks, e.g. poor solubility property in traditional solvents (e.g. i-Pr-BTP, CyMe 4-BTBP) 1,26 ...

Hydrogen Sulfide Sequestration | IER Wastewater Treatment ...
Hydrogen Sulfide Sequestration | IER Wastewater Treatment ...

Hydrogen sulfide, (,H 2, S) gas typically is formed in wastewater collection systems that are conducive to creating septic conditions. Therefore, they combine with hydrogen to, produce hydrogen sulfide, gas, creating the "rotten egg" odor associated with, septic wastewater., AMALGAM-60 for, H 2 S, sequestration

C22B 3 - Extraction of metal compounds from ores or ...
C22B 3 - Extraction of metal compounds from ores or ...

EP2836616A1 Process for ,extraction, of rare earth elements 02/17/2015 US8956583 Method for separating rhenium and arsenic, and method for purification of rhenium

Possibilities of chromium (III) separation from acid ...
Possibilities of chromium (III) separation from acid ...

This paper describes the problem of recovery and reusing chromium from aqueous solutions. The authors studied a novel ,double-carrier supported liquid membrane, system (DCSLM) with di(2-ethylhexyl) phosphoric ,acid, (D2EHPA) and bis(2,4,4-trimethyl) phosphinic ,acid, (Cyanex272) as a carrier of Cr(III) ions as a method to separate chromium (III) ,from acid, solutions.

Direct separation of minor actinides from high level ...
Direct separation of minor actinides from high level ...

However, the presently available BTPs used in liquid-liquid ,extraction, suffer from one or more drawbacks, e.g. poor solubility property in traditional solvents (e.g. i-Pr-BTP, CyMe 4-BTBP) 1,26 ...

mmo coating titanium cathode | TITANIUM METAL
mmo coating titanium cathode | TITANIUM METAL

1. Chloride precipitation anode (,ruthenium,-based coated titanium electrode): high chloride ion content in the electrolyte: generally in hydrochloric ,acid, environment and electrolyzed seawater, electrolyzed salt water environment. 2. Oxygen evolution anode (Iridium-coated titanium electrode): The electrolyte is generally sulfuric ,acid, ...

Determination of Trace Metals in Waste Water and Their ...
Determination of Trace Metals in Waste Water and Their ...

9/3/2012, · Most common sources of heavy metals to waste and/or ,waste water, are ; (i) Mining and ,extraction,; by mining and ,extraction, a part of the heavy metals will end up in tailings and other waste products. A significant part of the turn over of the four heavy metals with mining waste actually concerns the presence of the heavy metals in waste from ,extraction, of other metals like zinc, copper and nickel.

Nanoparticles Used for Extraction of Polycyclic Aromatic ...
Nanoparticles Used for Extraction of Polycyclic Aromatic ...

This article offers a review on the application of nanoparticles (NPs) that have been used as sorbents in the analysis ,of polycyclic aromatic hydrocarbons, (PAHs). The novel advances in the application of carbon NPs, mesoporous silica NPs, metal, metal oxides, and magnetic and magnetised NPs in the ,extraction, of PAHs from matrix solutions were discussed.

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