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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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minral water plant machine
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 Properties Production Uses Safety The ...
Hydrogen sulfide Properties Production Uses Safety The ...

6 H 2 O + Al 2, S 3 → 3 H 2 S + 2 Al (OH) 3. This gas is also produced by heating sulfur with solid organic compounds and by reducing sulfurated organic compounds with hydrogen. Water heaters can aid the conversion of sulfate in water to hydrogen sulfide gas.

Control of Microbiologically Induced Corrosion of ...
Control of Microbiologically Induced Corrosion of ...

1/1/2009, · ,hydrogen sulfide, into the vapor phase. The ,hydrogen sulfide, gas along with carbon dioxide, collect on the un -wetted portions of the sewer and dissolve in the moisture on the surface. ,S ulfide, oxidizing bacteria such as Thiobacillus thiooxidans, Thiobacillus neapolitanus and, Thiobacillus Intermedius convert ,hydrogen sulfide, to sulfuric ,acid,.

APPARATUS AND METHOD FOR TREATING HYDROGEN SULFIDE …
APPARATUS AND METHOD FOR TREATING HYDROGEN SULFIDE …

Hydrogen sulfide (H 2 S) is a known poisonous gas that can be generated by bacterial decomposition (chemical reduction) of compounds containing, sulfur, sulfites,, and, sulfates, that are present within wastes that have been placed in a landfill.

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

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.

A review of treating oily wastewater - ScienceDirect
A review of treating oily wastewater - ScienceDirect

1/5/2017, · Due to the complexity of oily ,wastewater,, using a single method is difficult to achieve national emission standards for industrial ,wastewater,, oily ,wastewater, deals with multi-level processing. By using a multi-stage treatment process, ,wastewater can, be integrated into components, the presence of oil state, handling and other factors, the depth etc, so that ,wastewater, treatment is able to ...

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.

Typical Wastes Generated by Industry Sectors | Hazardous ...
Typical Wastes Generated by Industry Sectors | Hazardous ...

26/11/2019, · ,Hydrogen, peroxide, sodium silicate, and organic stabilizer. D002 (,hydrogen, peroxide) Treat waste in an elementary neutralization unit. hazardous waste and ship to a hazardous waste TSDF for treatment and disposal. Use least-toxic bleach solutions. Mercerizing ,Alkali, and sodium hydroxide.

Energy & Fuels | Vol 35 No 6 - American Chemical Society
Energy & Fuels | Vol 35 No 6 - American Chemical Society

The Higher Fatty Alcohol Esters of Gallic ,Acid,; ... Recent Advances on Alloyed Quantum Dots for Photocatalytic ,Hydrogen, Evolution: A Mini-Review. Deeptimayee Prusty, ... ,Alkali,-Catalyzed Organosolv Pretreatment of Lignocellulose Enhances Enzymatic Hydrolysis and Results in Highly Antioxidative Lignin.

HYDROGEN SULFIDE – GOWTHAM'S – WIKI
HYDROGEN SULFIDE – GOWTHAM'S – WIKI

4/5/2016, · Upon combining with alkali metal bases,, hydrogen sulfide, converts to, alkali hydrosulfides, such as, sodium hydrosulfide, and, sodium sulfide,, which are used in the degradation of biopolymers. The depilation of hides and the delignification of pulp by the Kraft process both are effected by, alkali sulfides.

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 ...

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.

Reducing Septicity in Sewage - Water Treatment Plant Operators
Reducing Septicity in Sewage - Water Treatment Plant Operators

Wastewater becomes, septic, when organic matter decomposes and forms a foul smell due to the absence of free oxygen. If wastewater is severely septic, it will produce hydrogen sulfide, turn black and give off a foul odor.

Sulfide (Organic) - an overview | ScienceDirect Topics
Sulfide (Organic) - an overview | ScienceDirect Topics

Hydrogen, sulphide and volatile organic sulphides in sewage or sludge will be oxidized when conditions become aerobic (such as in a gravity sewer following a rising-main sewer, or in an aerated activated-sludge plant following a primary sedimentation tank) and this may be used as a control method, if release of sulphide prior to the aerobic step ,can, be avoided, e.g. by reducing turbulence or provision of covers …

Hydrogen production storage transportation and key ...
Hydrogen production storage transportation and key ...

1/6/2018, · There are two competitive reactions in which formic ,acid can, decompose and ,produce hydrogen,, which are Reaction (1) – the dehydrogenation of formic ,acid,, generating H 2 and CO 2 and, reaction (2) – the dehydration of formic ,acid,, yielding CO and H 2 O . …

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 …

Hydrogen sulfide - WikiMili The Best Wikipedia Reader
Hydrogen sulfide - WikiMili The Best Wikipedia Reader

6 H 2 O + Al 2, S 3 → 3 H 2 S + 2 Al (OH) 3. This gas is also produced by heating sulfur with solid organic compounds and by reducing sulfurated organic compounds with hydrogen. Water heaters can aid the conversion of sulfate in water to hydrogen sulfide gas.

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

17/11/2011, · Sugar refinery ,wastewater, containing high organic load ,can, be used as carbon sources for ,hydrogen, production by microorganisms. As reported pretreated sugar refinery ,wastewater, was used for the production of ,hydrogen, by Rhodobacter sphaeroides O.U.001. ,Hydrogen, was produced at a rate of 0.001 L ,hydrogen,/h/L culture in 20% dilution of the ...

Rayon - Wikipedia
Rayon - Wikipedia

Aside from regenerated cellulose, acidification gives ,hydrogen sulfide, (H 2 S), sulfur, and carbon disulfide. The thread made from the regenerated cellulose is washed to remove residual ,acid,. The sulfur is then removed by the addition of sodium ,sulfide, solution and impurities are oxidized by bleaching with sodium hypochlorite solution or ,hydrogen, peroxide solution.

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