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- W4252394387 abstract "An investigation has been made of the coprocessing of paper and other lignocellulosic wastes, and also of waste plastics, with coal via the COsteam route—treatment with CO, water and alkali at elevated pressures. The liquefaction of lignocellulosic and polymeric wastes was studied separately and then with the addition of coal. High conversion of lignocellulosic wastes could be achieved at 400°C. Polypropylene and polystyrene are completely converted to liquids and gases at 400°C; however, the conversion of high density polyethylene requires a temperature of 445°C. Coprocessing of Wyodak coal and lignocellulosics at 400°C did not change the yields or product quality compared with the liquefaction of Wyodak coal or lignocellulosics alone. However, the coprocessing of Wyodak coal and polypropylene at 400°C resulted in a decrease in coal conversion accompanied by an increase in the asphaltene fraction from coal. It is possible that the combination of free radicals from the polymer with coal fragments is responsible for this result. However, coliquefaction of Wyodak coal with less than 30% high density polyethylene at 445°C resulted in good coal conversion (85–90%) and did not increase the asphaltene yield from coal." @default.
- W4252394387 created "2022-05-12" @default.
- W4252394387 date "1997-01-01" @default.
- W4252394387 modified "2023-09-26" @default.
- W4252394387 title "97/00223 Liquefaction of Taiheiyo coal impregnated with an iron based catalyst" @default.
- W4252394387 doi "https://doi.org/10.1016/s0140-6701(97)80012-4" @default.
- W4252394387 hasPublicationYear "1997" @default.
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