TY - PAT TI - Process from removing benzine, toluene, etc. , from petroleum residues, coal tar, and shale tar, etc AB - A process is described for the preparation of ligroin and its homologs as well as naphthalene and anthracene consisting in leading superheated water vapor into a mixture of petroleum residues (or mineral coal tar, etc.) heated to about 400/sup 0/C with cellulosic substances as sage shreds, sea grass, or straw, with addition of caustic alkali. AU - "Hlawaty, F" KW - "02 PETROLEUM" KW - "01 COAL, LIGNITE, AND PEAT" KW - "ANTHRACENE" KW - "RECOVERY" KW - "COAL TAR" KW - "DESTRUCTIVE DISTILLATION" KW - "LIGROIN" KW - "NAPHTHALENE" KW - "PETROLEUM RESIDUES" KW - "SHALE TAR" KW - "CELLULOSE" KW - "HEATING" KW - "SODIUM HYDROXIDES" KW - "ALKALI METAL COMPOUNDS" KW - "AROMATICS" KW - "CARBOHYDRATES" KW - "CHEMICAL REACTIONS" KW - "CONDENSED AROMATICS" KW - "DECOMPOSITION" KW - "DISTILLATION" KW - "ENERGY SOURCES" KW - "FOSSIL FUELS" KW - "FUELS" KW - "HYDROCARBONS" KW - "HYDROGEN COMPOUNDS" KW - "HYDROXIDES" KW - "ORGANIC COMPOUNDS" KW - "OTHER ORGANIC COMPOUNDS" KW - "OXYGEN COMPOUNDS" KW - "PETROLEUM" KW - "PETROLEUM FRACTIONS" KW - "PETROLEUM PRODUCTS" KW - "POLYSACCHARIDES" KW - "SACCHARIDES" KW - "SEPARATION PROCESSES" KW - "SODIUM COMPOUNDS" KW - "TAR" KW - "020400* - Petroleum- Processing" KW - "010407 - Coal & Coal Products- Solvent Extraction- (-1987)" DO - https://doi.org/ UR - PB - CY - Germany PY - 1888 DA - 1888-08-11 LA - English J2 - [] VL - C1 - C2 - C3 - DE 51553 C4 - C5 - L3 - ER -