Abstract: A detector arrangement is disclosed for performing phase-contrast measurements, including at least two transducer layers arranged one behind the other, wherein at least the first transducer layer arranged in the radiation direction includes alternate sensitive areas having a high absorptance for the conversion of incident radiation quanta into signals and less sensitive areas having a lower absorptance in comparison thereto. Further, a corresponding X-ray tomography device and a method for performing phase-contrast measurements are also enclosed.

Abstract: Waste is treated by pyrolysis at a temperature of from 400-700° C. and combustion at a temperature of at least 400° C. Off-gases are catalytically oxidized to reduce emissions. The combusting waste is periodically agitated with high-pressure air bursts to disrupt waste in the chamber and promote even and complete combustion. Air is introduced during pyrolysis to promote controlled flow of off-gas to the catalyst and air and/or water is used to dislodge accumulated ash at the end of the treatment process.

Abstract: A detector arrangement is disclosed for performing phase-contrast measurements, including at least two transducer layers arranged one behind the other, wherein at least the first transducer layer arranged in the radiation direction includes alternate sensitive areas having a high absorptance for the conversion of incident radiation quanta into signals and less sensitive areas having a lower absorptance in comparison thereto. Further, a corresponding X-ray tomography device and a method for performing phase-contrast measurements are also enclosed.

Abstract: Waste treatment comprises heating it in a chamber to effect pyrolysis of the waste, introducing oxygen into the chamber to effect combustion of the pyrolyzed waste, and contacting off-gas from the pyrolysis and/or combustion steps with an oxidation catalyst to convert carbon monoxide and hydrocarbons in the off-gas into carbon dioxide and water and with a reduction catalyst to convert nitrous oxides to nitrogen and oxygen. Thus, domestic waste is treated in a batch process using catalytic converters to reduce the level of toxic components before off-gas reaches the atmosphere.