EVAPORATOR

摘要

The invention relates to an evaporator for the evaporation of water in a hot gas stream, comprising an inlet end, an outlet end, gas flow paths (3) extending from the inlet end to the outlet end and a hightemperature resistant water absorbing material (2) that at least partly defines the gas flow paths (3), wherein the water absorbing material (2) has a water absorbing capacity of at least 0.20 g per cubic centimetre. The invention further relates to a process for the evaporation of water using such evaporator, a fuel processor comprising such an evaporator, a process for the production of hydrogen using such a fuel processor and a fuel cell system comprising such a fuel processor and a fuel cell.