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Pretreatment of waste oil 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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Pretreatment of waste oil sludge
Activated Sludge Microbiology Problems and Their Control
Activated Sludge Microbiology Problems and Their Control

problems (low pH and ,floating sludge,). The common practice of batch addition of nutrients to the aeration basin often leads to denitrification problems due to periods of high nitrate concentration (above 5 mg/L). A number of industries, particularly papermills, have experienced a frothy, ,floating sludge, …

Activated Sludge Process | IWA Publishing
Activated Sludge Process | IWA Publishing

Activated sludge, (AS) is a process dealing with the ,treatment, of sewage and industrial wastewaters and developed around 1912-1914. There is a large varity of design, however, in principle all AS consist of three main components: an aeration tank, which serves as bio reactor; a settling tank ("final clarifier") for seperation of AS solids and treated waste water; a return

WASTEWATER TREATMENT PLANTS: DESIGN AND OPERATION ASPECTS
WASTEWATER TREATMENT PLANTS: DESIGN AND OPERATION ASPECTS

treatment, zone, which may hinder ,treatment, operation. 1) Grit removal, 2) flow equalisation, 3) Fat and grease removal (Image: Courtesy of Hydro International) Primary ,Treatment, Based on the effluent the primary ,treatment, is to remove the total suspended solids by suspending in to coagulant - results in ,sludge,. ( image: Courtesy of ovivo)

Project Report on Waste Water Treatment - Biology Discussion
Project Report on Waste Water Treatment - Biology Discussion

After primary ,treatment, for removal of insoluble matter i.e. grit, grease, scum etc. and sedimentation, the resulting ,sludge, is subjected to secondary ,treatment,. The aerobic ,treatment, process the biodegradable organic matter is utilised by the bacterial cells (micro­organisms) for their growth and metabolism and in the process huge quantity of cell mass and CO 2 are generated.

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