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Purpose of sludge treatment

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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Purpose of sludge treatment
Removal of styrene from waste gas stream using a biofilter
Removal of styrene from waste gas stream using a biofilter

In this work, activated ,sludge, from municipal wastewater ,treatment, plant was used as ,styrene, degrading consortiums to inoculate biofilter without any enrichment processes. In the present study biofiltration of ,styrene, was studied through a biofilter packed with yard waste compost that mixed with activated ,sludge, and shredded hard plastics as a

Petrochemical wastewater and produced water: Treatment ...
Petrochemical wastewater and produced water: Treatment ...

Anaerobic expanded granular ,sludge, bed bioreactor and aerobic activated ,sludge, (AS) bioreactor were the main ,treatment, processes, exhibiting good removal in COD and organics. Batch and continuous bioreactors of biofilms supported on activated carbon were used to study the biodegradation of BTEX compounds from petrochemical wastewater (Muneron Mello et al., 2019 ).

Dissolved air flotation clarification of activated sludge ...
Dissolved air flotation clarification of activated sludge ...

The components of the wastewaters include ,styrene,, tertiary butanol and vinyl acetate. Activated ,sludge, is clarified by sedimentation. During winter time, when the water temperature was 3-12 degrees C, the clarification deteriorated causing carry over of suspended solids ,containing, COD.

Biological treatment of real petrochemical wastewater ...
Biological treatment of real petrochemical wastewater ...

In this study, ,real petrochemical wastewater treatment, was investigated at four hydraulic retention times (HRTs) of 30, 18, 12 and 6 h, using membrane bioreactor. Initial evaluation confirmed the presence of ,styrene, and more than 30 different types of compounds in petrochemical wastewater. Laboratory tests and gas chromatography–mass spectrometry …

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