PROCEDE POUR AMELIORER LA QUALITE DE CHARBONS A COKE POSSEDANT UN POUVOIR COKEFIANT INSUFFISANT

• Main Author: JURGEN STADELHOFER, HEINS-GERHARD FRANCK, KARL HEINZ KOCH ET ROLF MARRETT
• Format: Patent
• Language: French
• Published: 09.05.1986
• Edition: 4
• Subjects: ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; CHEMISTRY; DESTRUCTIVE DISTILLATION OF CARBONAGEOUS MATERIALS FORPRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS; FIRELIGHTERS; FUELS; FUELS NOT OTHERWISE PROVIDED FOR; LIQUEFIED PETROLEUM GAS; LUBRICANTS; METALLURGY; NATURAL GAS; PEAT; PETROLEUM, GAS OR COKE INDUSTRIES; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K; TECHNICAL GASES CONTAINING CARBON MONOXIDE

Upgrading coke quality of coals by adding a pitch-like product with a softening point (K-S) of 90 DEG -160 DEG C. to the coal. The additive is obtained by treating finely divided coal or other carbon containing raw material with hydrocarbon solvents derived from coal and petroleum and then removing...