Simultaneous disposal of solid and liq. waste material, avoiding environmental pollution - by combustion in solid bed pressure gasification plant, quenching hot effluent gases then mixing with oxygen@-contg. gases and combusting further
Process comprises combustion in a solid bed pressure gasification plant, in which the solid waste materials (contg. 1-70 wt.% sulphur cpds., hydrocarbons, halogenated hydrocarbons, dioxines, heavy metals, etc.) are combusted at temps. above 1200 C; the hot effluent gases (still contg. toxic contamin...
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| creator | RABE, WOLFGANG., O-7702 BERNSDORF, DE GROESCHEL, LUTZ., O-7700 HOYERSWERDA, DE SCHOLZ, GUENTER SOWKA, KARL., O-7701 DOERGENHAUSEN, DE MUELLER, JOACHIM WEHNER, OLAF HOFFMANN, WERNER BURKHARDT, HORST, O-7700 HOYERSWERDA, DE |
| description | Process comprises combustion in a solid bed pressure gasification plant, in which the solid waste materials (contg. 1-70 wt.% sulphur cpds., hydrocarbons, halogenated hydrocarbons, dioxines, heavy metals, etc.) are combusted at temps. above 1200 C; the hot effluent gases (still contg. toxic contaminants) are quenched to temps. below 200 C, then mixed with gases contg. oxygen and combusted further in a solid bed or continuous flow reactor with waste liquid fuels (opt. contg. toxic components but having a calorific value more than 20,000 kJ/kg, mixed with 3-35 wt.% toxic solid waste contg. at least 10 wt.% mineral components) at temps. above 1200 C, with a residence time in the reactor at least 2 s. The effluent gases are washed with aq. carbon suspensions to remove residual contaminants; and the slag is tapped off for building and road constructions. USE - The process allows poor quality coals contg. sulphur, minerals and much ash, etc., to be utilised in the combustions, and avoids environmental pollution. |
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The effluent gases are washed with aq. carbon suspensions to remove residual contaminants; and the slag is tapped off for building and road constructions. 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The effluent gases are washed with aq. carbon suspensions to remove residual contaminants; and the slag is tapped off for building and road constructions. 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The effluent gases are washed with aq. carbon suspensions to remove residual contaminants; and the slag is tapped off for building and road constructions. USE - The process allows poor quality coals contg. sulphur, minerals and much ash, etc., to be utilised in the combustions, and avoids environmental pollution.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CARBURETTING AIR OR OTHER GASES CHEMISTRY FUELS LUBRICANTS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLEGASES CONTAINING CARBON MONOXIDE TECHNICAL GASES CONTAINING CARBON MONOXIDE |
| title | Simultaneous disposal of solid and liq. waste material, avoiding environmental pollution - by combustion in solid bed pressure gasification plant, quenching hot effluent gases then mixing with oxygen@-contg. gases and combusting further |
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