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Puyang oilfield sludge treatment bidding

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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Puyang oilfield sludge treatment bidding
In situ bioremediation potential of an oily sludge ...
In situ bioremediation potential of an oily sludge ...

The plot was divided into four blocks, based on the extent of contamination. Blocks A, B, and C were treated with the bacterial consortium, whereas Block D was maintained as an untreated control. In Block A, at time zero, i.e., at the beginning of the experiment, the soil contained as ,much, as 99.2 g/kg of total petroleum hydrocarbon (TPH).

Heavy Metals in Contaminated Soils: A Review of Sources ...
Heavy Metals in Contaminated Soils: A Review of Sources ...

Scattered literature is harnessed to critically review the possible sources, chemistry, potential biohazards and best available remedial strategies for a number of heavy metals (lead, chromium, arsenic, zinc, cadmium, copper, mercury and nickel) commonly found in contaminated soils. The principles, advantages and disadvantages of immobilization, soil washing and phytoremediation techniques ...

Environmental Science Processes & Impacts
Environmental Science Processes & Impacts

two years a er the ,sludge, was collected (October–November, 2012). 2.3. Isolation and enrichment of microorganisms from re nery ,oily sludge, Laboratory experiments were conducted to isolate and enrich microorganisms from the ,oily sludge,. Enrichment was con-ducted in 500 mL asks containing 100 mL mineral medium17 with 0.5% (w/v) oil extracted from the ,sludge, as the sole

Production and Application of Triblock Hydrolysis Lignin ...
Production and Application of Triblock Hydrolysis Lignin ...

digested ,sludge,: 7.0–7.5: 12: 19.2: cationic cellulose 29 × 10 3 to 103 × 10 3: digested ,sludge,: 7.5: 4–12: 15–20: cationic chitosan (low, medium, and high M w) +3.8–5.4: 77 × 10 3 to 444 × 10 3: calcium carbonate: 7.6: 5–10.8 <20: chitosan-graft-3-chloro-2-hydroxypropyltrimethylammonium chloride (Chito-CTA) 10 × 10 6: oil sand ...

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