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Treatment of coal mill waste slurry

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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Treatment of coal mill waste slurry
CN103130390B - Oil-containing sludge treatment method and ...
CN103130390B - Oil-containing sludge treatment method and ...

The invention belongs to an oil-containing ,sludge treatment, method, and particularly relates to a method and process flow for treating oil-containing ,sludge, having an oil content of more than 10%. The method is characterized by comprising the following steps: for oil-containing ,sludge, having a water content of more than 70%, adding pH regulator, and regulating the pH value to 7-8; adding ...

The effects of Fenton process on the removal of petroleum ...
The effects of Fenton process on the removal of petroleum ...

Ultimately, by adding 40 ml water per gram of the oily ,sludge, under optimized conditions, the reduction rate of 73.07% was achieved. Conclusions: The results demonstrated that this method can be used as a pre-,treatment, method for the oily ,sludge,. Moreover, a complementary ,treatment, is necessary to reach the ,standard, limit.

Biological Treatment of Petroleum Wastewater: A Review on ...
Biological Treatment of Petroleum Wastewater: A Review on ...

Activated sludge process is one of the major treatment methods used. The anaerobic treatments have advantages such as reduction in sludge content, reduction in diffuser and aeration cost and generation of gas with high hydrocarbon. Many investigators have investigated biological treatments for treatment of petroleum refinery wastewater.

US20060042661A1 - Oil tank sludge removal method - Google ...
US20060042661A1 - Oil tank sludge removal method - Google ...

A method for removing ,sludge, from a ,petroleum, storage tank is based on a two-step approach utilizing solvent extraction to dissolve organic components of the ,sludge, followed by water wash to remove inorganic materials. Sludges contain both organic-based solids (e.g., waxes and asphaltenes) as well as inorganic-based solids (known to exist as salts such as chlorides, carbonates, and oxides).

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Road West, North Branch, Jingkai Road, Puyang City