Abstract: In a process for removing organic impurities and heavy metals from industrial, commercial or communal waste water, loaded drinking water, refuse dump drainage water or aqueous special wastes, the wet pyrolysis residues produced during the extraction of usable gas in the pyrolytic processing of refuse are introduced into one or more aerated filter basins (17) or filtration reactors (26) connected in parallel or in series. The waste water, loaded drinking water, refuse dump drainage water or liquid special wastes to be filtered or purified are pumped through the pyrolysis residue until its capacity for physical adsorption is exhausted.

Abstract: In a process for the recovery of usuable gas from garbage by pyrolysis, the garbage is sorted into a heavy wet vegetable portion and a light dry portion. The light portion is pressed into pellets or granules having characteristics dimensions in a range of 1-50 mm that are dried to a maximum moisture of approximately 25 wt. %, and then are passed to a pyrolysis reactor in which partially burned gas is generated and separated from noncombustible residues. The partially burned gas is taken to a high temperature gas converter where it is converted to fuel gas over a glowing carbonaceous bed. The heavy vegetable fraction of the garbage is taken to a biomass converter in which it is used to generate methane gas.

Abstract: The disclosure relates to a rotating pyrolysis drum for the thermal treatment of waste materials, such as domestic or industrial garbage or the like, with respectively one heated gas collecting chamber for addition and one heated gas collecting chamber for withdrawal, being provided at pertaining end faces of the drum, which chambers are connected to one another via bores in the end faces and by tubes extending through the interior of the drum. At least one seal assembly is arranged between the stationary heated gas collecting chambers and the drum. A seal disc is provided on the circumferential wall of a hollow connection member at the end face of the drum at the inlet side and, respectively, at the outlet side for pyrolysis residues and/or another rotating part of the drum. At the two end faces of the seal disc are arranged contact rings which are slid with play over the connection member and/or the other rotating part and these sealingly contact such end faces.

Abstract: Comminuted waste material is introduced in the form of briquettes, pellets or granulates into a gastight rotating drum for the recovery of useful gas by pyrolysis. The size of the briquettes, pellets or granulates is from about 1 to 50 mm and they are brought to a dry substance content of more than 70%.

Abstract: A gas converter is disclosed, especially for the treatment, including dissociation, of gases produced in the pyrolysis of waste materials. The converter includes a feeder for airtight feeding of fuel from the upper region of the reactor tower to the bed of hot fuel, a gas outlet, and a slag removal system. The reactor tower is furnished at its lower end near the conduits for the admission of air and gases with a rotating distributor member. The feeder is provided by a bucket-wheel valve arrangement.