Process for the hygienization of carbonation sludges

Details Process for the hygienization of carbonation sludges Process for the hygienization of carbonation sludges

1981-07-06

1983-05-24

Garris, Bradley

Distillation: processes, thermolytic

Using a carbonization product as indirect heat source

For heating the carbonaceous material

48209, 201 21, 201 25, C10B 4728, C10B 5300, C10B 5706, C10B 5710

Patent

active

043849237

ABSTRACT:
The invention relates to a process for the hygienization of carbonation sludges. For this purpose, these are mixed with wastes having a high calorific value and containing organic substances and are decomposed by pyrolysis, in the absence of air, at a temperature from 200.degree. C. to 800.degree. C., preferably 250.degree. C. to 720.degree. C.
The fuel gases obtained in the decomposition by pyrolysis can be utilized for external heating of the thermal reactor, autothermic operation, that is to say self-sustaining operation, becoming possible when wastes of high calorific value are added to the carbonation sludge in such a quantity that the calorific value of the waste mixture is more than 1,000 kcal/kg.

REFERENCES:
patent: 3733271 (1973-05-01), Olsen
patent: 4123332 (1978-10-01), Rotter
patent: 4272322 (1981-06-01), Kobayashi
Thome-Kozmiensky; "Ansatz Einer Systemanalytischen . . . Abfallbeseitigung"; Mull und Abfall; Mar. 1976.

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