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Shell Refinery

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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Shell Refinery
Desalination and Water Treatment
Desalination and Water Treatment

6/7/2015, · The pH of the aqueous solutions was adjusted with 0.1 mol L −1 of HClO 4 or NaOH solution for pH 6.0–7.0, and buffered with ,sodium acetate,–acetic ,acid, solution (10 mM) for pH 4.0–5.0, borate solution (10 mM) for pH 8.0–9.0, and borax ,sodium, hydroxide solution (10 mM) for pH 10.0, respectively.

INSTRINSICALLY ANTIMICROBIAL POROSIC MATRIX …
INSTRINSICALLY ANTIMICROBIAL POROSIC MATRIX …

In further embodiments, the solid pore-forming substance comprises ,sodium, sulfate, sugars (such as glucose, trehalose, fructose and many others), dissolvable or meltable natural polymers, dissolvable or meltable artificial polymers or salts comprising ammonium, calcium, magnesium, potassium, lithium, iron, aluminum and other metals and cations, pyridinium, quaternary, ammonium, ,sodium,, ,acetate, ...

Nanomaterials | Free Full-Text | Ecotoxicological ...
Nanomaterials | Free Full-Text | Ecotoxicological ...

At 72-hpf, embryos were washed by PTU-E3 media and stained in the dark for 30 min in o-dianisidine solution containing (0.6 mg/mL o-dianisidine, 40% ethanol, 10 mM ,sodium acetate, (pH 4.5), and 0.65% hydrogen peroxide), fixed in 4% paraformaldehyde in PBS overnight at 4 °C.

Fate of Environmental Pollutants
Fate of Environmental Pollutants

moleties. O-benzyl-,p-chlorophenol,, a hospital disinfectant that has widespread low level discharge to the environment through municipal ,wastewater treatment, facilities, was rapidly biode graded or photoxidized in river water and ,wastewater, sludge samples, suggesting that its persistence in the environment was

Immobilised enzymes in biorenewables production - Chemical ...
Immobilised enzymes in biorenewables production - Chemical ...

Oils, fats, carbohydrates, lignin, and amino acids are all important raw materials for the production of ,biorenewables,. These compounds already play an important role in everyday life in the form of wood, fabrics, starch, paper and rubber. Enzymatic reactions do, in principle, allow the transformation of the Enzyme immobilisation

Montmorillonite immobilized Fe/Ni bimetallic prepared by ...
Montmorillonite immobilized Fe/Ni bimetallic prepared by ...

The pH of the suspension liquid was adjusted to 6.8 using ,sodium acetate, buffer solution (0.5 M, pH = 5) and added 700 mL deionized water to the solution. pH was maintained for 30 min, then the ...

Purification and characterization of peroxidase from ...
Purification and characterization of peroxidase from ...

This enzyme can provide value for multiple industrial applications, of which the most important ones include decolorization of waste (Jadhav et al. 2009), ,treatment, of ,waste water, containing phenolic compounds (Lai and Lin 2005; Dalal and Gupta 2007), and synthesis of various aromatic chemicals and removal of peroxides from food stuffs and industrial wastes (Kim and Yoo 1996; Saitou et al. 1991).

Purification and characterization of peroxidase from ...
Purification and characterization of peroxidase from ...

This enzyme can provide value for multiple industrial applications, of which the most important ones include decolorization of waste (Jadhav et al. 2009), ,treatment, of ,waste water, containing phenolic compounds (Lai and Lin 2005; Dalal and Gupta 2007), and synthesis of various aromatic chemicals and removal of peroxides from food stuffs and industrial wastes (Kim and Yoo 1996; Saitou et al. 1991).

Montmorillonite immobilized Fe/Ni bimetallic prepared by ...
Montmorillonite immobilized Fe/Ni bimetallic prepared by ...

The pH of the suspension liquid was adjusted to 6.8 using ,sodium acetate, buffer solution (0.5 M, pH = 5) and added 700 mL deionized water to the solution. pH was maintained for 30 min, then the ...

INSTRINSICALLY ANTIMICROBIAL POROSIC MATRIX …
INSTRINSICALLY ANTIMICROBIAL POROSIC MATRIX …

In further embodiments, the solid pore-forming substance comprises ,sodium, sulfate, sugars (such as glucose, trehalose, fructose and many others), dissolvable or meltable natural polymers, dissolvable or meltable artificial polymers or salts comprising ammonium, calcium, magnesium, potassium, lithium, iron, aluminum and other metals and cations, pyridinium, quaternary, ammonium, ,sodium,, ,acetate, ...

Full article: Characterization and immobilization of ...
Full article: Characterization and immobilization of ...

13/7/2015, · An amount of modified bead (0.05 g) was added to 2.5 ml of the laccase solution (2 mg/ml), and the immobilization reaction was accomplished in a rotary shaker for 4 h at 25°C. The beads were washed with 0.05 M ,acetate, buffer and were stored in ,acetate, buffer at 4°C until use.

Handbook of Environmental Analysis: Chemical Pollutants in ...
Handbook of Environmental Analysis: Chemical Pollutants in ...

Acid treatment, liberates oxalic ,acid,, which is titrated with a standard permanganate or Ce4+ solution. Nitrous ,acid, (HNO2) is another 70 Handbook of Environmental Analysis suitable reducing agent. It may be analyzed by ,treatment, with a measured excess of permanganate solution. Nitrous ,acid, oxidizes to nitrate and the excess permanganate is back ...

Immobilised enzymes in biorenewables production - Chemical ...
Immobilised enzymes in biorenewables production - Chemical ...

Oils, fats, carbohydrates, lignin, and amino acids are all important raw materials for the production of ,biorenewables,. These compounds already play an important role in everyday life in the form of wood, fabrics, starch, paper and rubber. Enzymatic reactions do, in principle, allow the transformation of the Enzyme immobilisation

O-Ring Chemical Compatibility - O-Ring Material Guide ...
O-Ring Chemical Compatibility - O-Ring Material Guide ...

Acetoacetic ,Acid,: 1-----Acetone: 1: 3: 4: 4: 1: 4: 3: 4: Acetone Cyanohydrin: 1-----Acetonitrile: 1: 1: 1: 1: 1: 3--Acetophenetidin: 1-----Acetophenone: 1: 4: 4: 4: 1: 4: 4: 4: Acetyl Bromide: 1-----Acetyl Chloride: 1: 1: 1: 1: 4: 4: 3: 1: Acetyl-o-Toluidine: 1-----Acetylacetone: 1: 4: 4: 4: 1: 4: 4: 4: Acetylene: 1: 1: 1: 1: 1: 1: 2-Acetylene Tetrabromide: 1: 1: 1: 1: 1: 4: 4: 2: Aconitic ,Acid,: 1-----Acridine: 1-----Acrolein: 1-----Acrylic ,Acid,…

O-Ring Chemical Compatibility - O-Ring Material Guide ...
O-Ring Chemical Compatibility - O-Ring Material Guide ...

Acetoacetic ,Acid,: 1-----Acetone: 1: 3: 4: 4: 1: 4: 3: 4: Acetone Cyanohydrin: 1-----Acetonitrile: 1: 1: 1: 1: 1: 3--Acetophenetidin: 1-----Acetophenone: 1: 4: 4: 4: 1: 4: 4: 4: Acetyl Bromide: 1-----Acetyl Chloride: 1: 1: 1: 1: 4: 4: 3: 1: Acetyl-o-Toluidine: 1-----Acetylacetone: 1: 4: 4: 4: 1: 4: 4: 4: Acetylene: 1: 1: 1: 1: 1: 1: 2-Acetylene Tetrabromide: 1: 1: 1: 1: 1: 4: 4: 2: Aconitic ,Acid,: 1-----Acridine: 1-----Acrolein: 1-----Acrylic ,Acid,…

Improvement of Laccase Activity Via Covalent ...
Improvement of Laccase Activity Via Covalent ...

The resulting mixture of the support and laccase solution was then incubated at 25 °C with a shaking speed of 170 rpm for 2 h to reach the equilibrium state. Then, the obtained immobilized laccase was magnetically separated, washed with a 0.2 M ,sodium acetate, buffer (pH 4.0), freeze-dried overnight, and stored at 4 °C for further use.

Nanomaterials | Free Full-Text | Ecotoxicological ...
Nanomaterials | Free Full-Text | Ecotoxicological ...

At 72-hpf, embryos were washed by PTU-E3 media and stained in the dark for 30 min in o-dianisidine solution containing (0.6 mg/mL o-dianisidine, 40% ethanol, 10 mM ,sodium acetate, (pH 4.5), and 0.65% hydrogen peroxide), fixed in 4% paraformaldehyde in PBS overnight at 4 °C.

Handbook of Environmental Analysis: Chemical Pollutants in ...
Handbook of Environmental Analysis: Chemical Pollutants in ...

Acid treatment, liberates oxalic ,acid,, which is titrated with a standard permanganate or Ce4+ solution. Nitrous ,acid, (HNO2) is another 70 Handbook of Environmental Analysis suitable reducing agent. It may be analyzed by ,treatment, with a measured excess of permanganate solution. Nitrous ,acid, oxidizes to nitrate and the excess permanganate is back ...

Full article: Characterization and immobilization of ...
Full article: Characterization and immobilization of ...

13/7/2015, · An amount of modified bead (0.05 g) was added to 2.5 ml of the laccase solution (2 mg/ml), and the immobilization reaction was accomplished in a rotary shaker for 4 h at 25°C. The beads were washed with 0.05 M ,acetate, buffer and were stored in ,acetate, buffer at 4°C until use.

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