公开(公告)号：DE3103171A1

公开(公告)日：1981-12-10

申请号：DE3103171

申请日：1981-01-30

Applicant: AGENCY IND SCIENCE TECHN

Inventor： TAKAYA HARUO ,  HOSOYA TADASUKE ,  OGAWA KIYOSHI ,  SHIN SHIGEMITSU ,  ARAKI MICHIO ,  SUZUKI KUNIO ,  TODO NAOYUKI

IPC: B01J23/883 ,  B01J27/22 ,  B01J37/18 ,  C07C1/04 ,  B01J23/88 ,  C07C9/04

Abstract: The invention provides a novel highly heat-resistant solid catalyst for the methanation of hydrogen and carbon monoxide into methane. Different from conventional nickel catalysts, the inventive catalyst comprises a binary active ingredient composed of an alloy of nickel and molybdenum and a molybdenum carbide supported on a porous catalyst carrier. The catalyst is prepared by heating a catalyst intermediate comprising the oxides of nickel and molybdenum supported on the carrier in a gaseous mixture of hydrogen and carbon monoxide at 500 DEG -700 DEG C., preferably, following a step of hydrogen reduction at 400 DEG -900 DEG C. The most preferable catalyst carrier is a mixture or a composite oxide compound composed of magnesium and aluminum oxides. The methanation reaction can be carried out with the inventive catalyst at a much higher temperature, e.g. 650 DEG C., than with conventional catalysts so that the heat recovery from the gaseous product is greatly facilitated contributing to the energy economy.