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Hydraulic Cylinder

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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Hydraulic Cylinder
Methanogenesis from wastewater stimulated by addition of ...
Methanogenesis from wastewater stimulated by addition of ...

Compared to the control test without elemental ,manganese,, the total methane yield and production rate with 4 g/L ,manganese, addition increased 3.4-fold (from 0.89 ± 0.03 to 2.99 ± 0.37 M/gVSS ...

Bioconversion of tyrosol into hydroxytyrosol and 34 ...
Bioconversion of tyrosol into hydroxytyrosol and 34 ...

Abstract. This paper reports the characterization of a Halomonas sp. strain (named HTB24) isolated from olive-mill ,wastewater, and capable of transforming tyrosol into hydroxytyrosol (HT) and 3,4-dihydroxyphenylacetic ,acid, (DHPA) in hypersaline conditions. This is the first time that a halophile has been shown to perform such reactions. The potent natural antioxidant HT was obtained through a ...

Wastewater Neutralization Systems - pH adjustment
Wastewater Neutralization Systems - pH adjustment

Waste Acid Neutralization Systems for the pH neutralization of concentrated acids and alkalis (bases). These systems are designed to handle the, heat and energy released, during the, neutralization, of concentrated acids and bases by, controlling, the, rate of reaction, and through the use of process cooling. To Learn More Click Here..

CPCB | Central Pollution Control Board
CPCB | Central Pollution Control Board

The waste (intended for ,utilization,) belongs to similar source of generation as specified in SoPs. The ,utilization, process is similar to the process of ,utilization, described in SoPs. End-use / product produced from the waste shall be same as specified in SoPs. Authorisation be granted only after verification of ,utilization, process and minimum

Neutralization of Wastewater in the Chemical Industry ...
Neutralization of Wastewater in the Chemical Industry ...

Therefore, chemical companies are required to, neutralize the produced acid or base using by before disposing, the, wastewater, or making use of the same water after recycling. Industrial neutralization is carried out on a large-scale basis as it usually involves large volumes of substances.

Heavy metal tolerance and organic compounds utilization in ...
Heavy metal tolerance and organic compounds utilization in ...

The aims of this study were to analyze the potential of Escherichia sp. previously isolated from wastewater for their tolerance towards heavy metals such as cobalt, zinc, copper, manganese and aluminium and its ability to utilize the selected organic compounds like glucose, glycerol, benzene, kerosene, sulfanilic acid and casamino acid as a sole carbon or/and nitrogen source for growth.

Biodegradation and decolorization of melanoidin solutions ...
Biodegradation and decolorization of melanoidin solutions ...

The synthetic melanoidins (SMs) solution used in this study was prepared by refluxing an equimolar (1 M) solution of sucrose (Panreac Quimica SAU, Barcelona, Spain), aspartic ,acid, (Panreac Quimica SAU, Barcelona, Spain) and 0.5 M sodium carbonate at 100 °C for 6 h (Kumar & Chandra 2006); real melanoidin samples were collected from the anaerobic digester effluent of the ,wastewater, treatment ...

Rapid Removal and Separation of Iron(II) and Manganese(II ...
Rapid Removal and Separation of Iron(II) and Manganese(II ...

A novel two-dimensional carbon-based magnetic nanomaterial, magnetic graphene oxide (MGO), was prepared and then used as an efficient adsorbent. MGO showed rapid and complete removal of iron(II) (Fe) and ,manganese,(II) (Mn) from micropolluted water bodies over a wide pH range. After saturated adsorption, MGO could be rapidly separated from water under an external magnetic field. Results of …

Decolorization of textile industry wastewater in solid ...
Decolorization of textile industry wastewater in solid ...

Utilization, of waste Tunisian palm tree date as low-cost adsorbent for the removal of dyes from textile ,wastewater,. Mediterranean Journal of Chemistry , vol. 3, no. 5, pp. 1044-1052. [ Links ]

Ultraviolet Irradiation of Permanganate Enhanced the ...
Ultraviolet Irradiation of Permanganate Enhanced the ...

The degradation of four probe molecules (i.e., nitrobenzene, benzoic ,acid,, terephthalic ,acid,, and p-chlorobenzoic ,acid,) and two micropollutants (i.e., gemfibrozil and nalidixic ,acid,) resistant to permanganate oxidation was enhanced by the UV/permanganate system, with pseudo-first-order rate constants (k′) of 0.065–0.678 min –1 under the experimental conditions.

Theory and Practice of Water and Wastewater Treatment 2nd ...
Theory and Practice of Water and Wastewater Treatment 2nd ...

Provides an excellent balance between theory and applications in the ever-evolving field ,of water and wastewater treatment,. Completely updated and expanded, this is the most current and comprehensive textbook available for the areas ,of water and wastewater treatment,, covering the broad spectrum of technologies used in practice today—ranging from commonly used standards to the latest state of ...

Guidelines And Standard Operating Procedure
Guidelines And Standard Operating Procedure

Standard Operating Procedure (,SOP,) for ,Utilization, of Spent ,Acid containing, molybdenum generated during manufacturing of filaments in bulb/lamp industires ,Utilization, of Tungsten Scrap (tungsten carbide insert tips) generated from metal cutting operation. ,Utilization, of Spent Pot Lining (SPL) generated from Primary Aluminium Smelting Industries.

Biological Treatment of Petrochemical Wastewater | IntechOpen
Biological Treatment of Petrochemical Wastewater | IntechOpen

9/4/2018, · Coagulation-flocculation for specific petrochemical ,wastewater, treatment, such as purified terephthalic ,acid, (PTA) production ,wastewater,; the ,wastewater, contains aromatic compounds such as p-toluic ,acid,, benzoic ,acid,, 4-carboxybenzaldehyde, phthalic ,acid, (PA), and terephthalic ,acid, (TA), etc. Ferric chloride is found to be the most effective coagulant with COD removal efficiency at 75.5% at ...

Water quality for agriculture
Water quality for agriculture

For water ,containing, carbonic ,acid, (H 2 CO 3), the pH may vary from 4.5 to 7.9, therefore, pH should not be a sole indicator. A characteristic of low salinity water is that even though the pH may vary between 7.0 and 7.9, the water may still attack concrete.

RSC Advances
RSC Advances

manganese, product at present4. There are about 10 million tons of EMR discharged each year, and the accumulated amount during the past many years is about 50 million tons. EMR, the by-product of the electrolytic ,manganese, metal process with soluble ,manganese, and ammonia, is produced by the ,acid, leaching, neutralization, and

Theory and Practice of Water and Wastewater Treatment 2nd ...
Theory and Practice of Water and Wastewater Treatment 2nd ...

Provides an excellent balance between theory and applications in the ever-evolving field ,of water and wastewater treatment,. Completely updated and expanded, this is the most current and comprehensive textbook available for the areas ,of water and wastewater treatment,, covering the broad spectrum of technologies used in practice today—ranging from commonly used standards to the latest state of ...

Neutralization of Wastewater - avs.globecore.com
Neutralization of Wastewater - avs.globecore.com

6/1/2017, · ,Wastewater, containing acids or alkali must be, neutralized., Water with pH of 6.5 – 8.5 are considered, neutral. Neutralization, is required where pH is below 6.5 and above 8.5. Practically, the highest danger is posed by, acidic wastewater, containing salts of heavy metals.

Bioconversion of tyrosol into hydroxytyrosol and 34 ...
Bioconversion of tyrosol into hydroxytyrosol and 34 ...

Abstract. This paper reports the characterization of a Halomonas sp. strain (named HTB24) isolated from olive-mill ,wastewater, and capable of transforming tyrosol into hydroxytyrosol (HT) and 3,4-dihydroxyphenylacetic ,acid, (DHPA) in hypersaline conditions. This is the first time that a halophile has been shown to perform such reactions. The potent natural antioxidant HT was obtained through a ...

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