2450. NEWMAN, L. L. Oxygen Gasification Processes in Germany. Coal Technology, vol. 1, 1946; Am. Inst. Min. and Met. Eng., Tech. Pub. 2116, 1946, 16 pp.; Chem. Abs., vol. 41, 1947, p. 1079.
Review and digest of recent CIOS reports on gasification processes under 4 headings: Processes (1) in which fine fuel is gasified in a fluidized bed (example, the Winkler process); (2) in which fine fuel is gasified in suspension (example, Koppers and Schmalfeldt processes); (3) in which fine fuel is gasified in a fixed bed (example, the Lurgi process; (4) in which lump fuel is gasified in a fixed bed (example, the Thyssen-Galocsy slagging generator and the Leuna slagging generator). Typical operating data are given for each process, and diagrams of the plants are shown. The economics of O2 production by the Linde-Fränkl process is presented. It is stated that power requirements in Germany for producing O2 of 98% purity were about 12 kw.-hr. per 1,000 cu. ft. and that in plants of 75,000 cu. ft. per hr., capacity the cost of power was 50% of the total cost, amortization and interest 40%, and labor and materials 10%. If the same relations between power costs and other costs should prevail in America, O2 of 98% purity should be obtainable for $0.12 per 1,000 cu. ft. with power at $0.005 per kw.-hr.