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- W133023610 abstract "Publisher Summary This chapter presents studies on oxidized coal for the production of coal–water slurry. In a study described in the chapter, about 10 g of a low-rank bituminous coal was refluxed with 200 ml of 3(N)HNO3 for 5 h. The treated coal was cooled, filtered, and washed free of nitric acid. The filtrate was rejected. The oxy-coal was dried at 105°C and was analyzed both chemically and spectroscopically. About 100 g of a low-rank bituminous coal was refluxed with 3(N)HNO3. The oxy-coal was isolated and was extracted with dry-acetone using a Soxlet apparatus. After the separation of dry-acetone soluble part from the oxy-coal, the residue was further oxidized in nitric acid. Three sets of soluble and residual fractions were thus obtained from three such successive steps. It was observed that solubility of oxy-coal in alkali, dry-acetone, and the aqueous mixture of acetone increases with the increase in OCOOH content. Highest solubility is attained in all the solvents when OCOOH content reaches 14%." @default.
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- W133023610 date "1991-01-01" @default.
- W133023610 modified "2023-09-27" @default.
- W133023610 title "STUDIES ON OXIDISED COAL FOR THE PRODUCTION OF COAL-WATER SLURRY" @default.
- W133023610 cites W1978011787 @default.
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- W133023610 doi "https://doi.org/10.1016/b978-0-7506-0387-4.50060-7" @default.
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