1.前言蒸汽转化反应就是用蒸汽将烃类转化为氢、甲烷或二氧化碳的反应。烃类蒸汽转化制氢时,以高温和低压比较理想,制甲烷时,则以低温和高压比较理想。前者已有悠久的历史,不过,近年来要求造气无公害,发热量高的呼声越来越高,当然对后者需要重新考虑。原料 1. Introduction Steam reforming is the reaction of hydrocarbons to hydrogen, methane or carbon dioxide with steam. When hydrocarbon steam is converted into hydrogen, it is more desirable to use high temperature and low pressure, and when methane is used, low temperature and high pressure are more desirable. The former has a long history. However, in recent years, there has been a growing demand for gas-generating and pollution-free and high-calorie-generating products, of course, the latter need to be reconsidered. raw material