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Companies dealing with oily sludge

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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Companies dealing with oily sludge
Per- and polyfluoroalkyl substances and fluorine mass ...
Per- and polyfluoroalkyl substances and fluorine mass ...

However, waste water ,treatment, plants (WWTPs) have been identified as a significant source of PFASs, either to air, receiving water, and fields where ,sludge, is applied as fertilizer. 56,57 A recent fluorine mass balance study of Swedish WWTPs reported that 42–82% of extractable organic fluorine in ,sludge, and 5–21% in effluent were unaccounted for.

Evaluation Of The Procedures For Identification Of ...
Evaluation Of The Procedures For Identification Of ...

Precision of AAS analyses of ,sludge, digests averaged 11.1% (,RSD,) for barium, chromium, lead, arsenic, cadmium, and selenium. Precision of the AAS analyses to determine spike recovery of eight ele- ments of interest (As, Ba, Cd, Cr, Pb, Hg, Ag, and Se, in a variety of sample matrices) was quite high, with the exception of barium (Table 5).

Risk assessment of chlorinated paraffins in feed and food ...
Risk assessment of chlorinated paraffins in feed and food ...

Clear to yellowish mobile to highly viscous ,oily, liquid: ... effluents and ,sludge, of municipal waste water ,treatment, plants (WWTPs) For surface water, ... to various matrices and the relative standard deviations (RSDs) varied between 23 and 137% of these materials. The ,RSD, of the test solution in the last round (25%) was acceptable.

Volatile Organic Compound Analysis Using Purge and Trap ...
Volatile Organic Compound Analysis Using Purge and Trap ...

standard deviation (,RSD,) specified for average relative response factor quantitation. Data is also presented for the method detection limits determined at 0.10 µg/L as well as average relative response factors over the concentration range of 0.10 µg/L to 100 µg/L. Adhering to the details of this approach will help insure similar results

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