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Refinery sludge treatment qualification

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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Refinery sludge treatment qualification
Environmental Science & Technology | Vol 55 No 4
Environmental Science & Technology | Vol 55 No 4

Seasonal Prevalence of Ammonia-Oxidizing Archaea in a Full-Scale Municipal Wastewater ,Treatment Plant, Treating Saline Wastewater Revealed by a 6-Year Time-Series Analysis. Yulin Wang, Wei Qin, Xiaotao Jiang, Feng Ju, Yanping Mao, Anni Zhang, David A. Stahl, and ; Tong Zhang*

Development of a New Bioprocess for Clean Diosgenin ...
Development of a New Bioprocess for Clean Diosgenin ...

Diosgenin is used widely to synthesize steroidal hormone drugs in the pharmaceutical industry. The conventional diosgenin production process, direct acid hydrolysis of the root of Dioscorea zingiberensis C. H. Wright (DZW), causes large amounts of wastewater and severe environmental pollution. To develop a clean and effective method, the endophytic fungus Fusarium sp. CPCC 400226 was screened ...

1H-Benzotriazole | C6H5N3 - PubChem
1H-Benzotriazole | C6H5N3 - PubChem

The limits of detection were between 0.5 and 10ng/g (d.w.) and the limits of quantification (LOQ) were between 1 and 25 ng/g (d.w.). Repeatability and reproducibility were lower than 15% (%,RSD,, n=5). Several sludge samples from five sewage ,treatment, plants in Catalonia were analyzed and the most abundant compounds were 2-hydroxybenzothiazole

Mancozeb | C8H12MnN4S8Zn - PubChem
Mancozeb | C8H12MnN4S8Zn - PubChem

Using the most appropriate experimental conditions for the CS(2) generation and LPME preconcentration, the precision of the methodology, expressed as the relative standard deviation (,RSD,), was of the order of 3.1% and the absolute LOD was 0.3 ug dithiocarbamate, which corresponds to 60-120 ug/kg, for a sample mass ranging from 2.5 to 5 g.

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