发明申请
US20060008413A1 Catalyst and process for improving the adiabatic steam-reforming of natural gas
有权
用于改善天然气绝热蒸汽重整的催化剂和方法
- 专利标题: Catalyst and process for improving the adiabatic steam-reforming of natural gas
- 专利标题(中): 用于改善天然气绝热蒸汽重整的催化剂和方法
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申请号: US10888658申请日: 2004-07-08
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公开(公告)号: US20060008413A1公开(公告)日: 2006-01-12
- 发明人: Diwakar Garg , Shankar Nataraj , Kevin Fogash , James O'Leary , William Licht , Sanjay Mehta , Eugene Genkin
- 申请人: Diwakar Garg , Shankar Nataraj , Kevin Fogash , James O'Leary , William Licht , Sanjay Mehta , Eugene Genkin
- 主分类号: C01B3/26
- IPC分类号: C01B3/26
摘要:
A process for adiabatically prereforming a feedstock, includes: providing an adiabatic reactor; providing a catalyst containing 1-20 wt. % nickel and 0.4-5 wt. % potassium, wherein the catalyst has an overall catalyst porosity of 25-50% with 20-80% of the overall catalyst porosity contributed by pores having pore diameters of at least 500 Å; providing the feedstock containing natural gas and steam, wherein the natural gas contains an initial concentration of higher hydrocarbons, and a ratio of steam to natural gas in the feedstock is from 1.5:1 to 5:1; preheating the feedstock to a temperature of 300-700° C. to provide a heated feedstock; providing the heated feedstock to the reactor; and producing a product containing hydrogen, carbon monoxide, carbon dioxide, unreacted methane, and steam, wherein said product contains a reduced concentration of higher hydrocarbons less than the initial concentration of higher hydrocarbons, to prereform the feedstock.