| 摘要 |
<p>A plant for manufacturing urea from carbonaceous materials, oxygen from an a ir separation unit and water, preferably steam, is made up of a syngas generato r unit, an air separation unit, Fischer-Tropsch unit, a CO2 removal unit, a hydrogen removal unit, a methanator unit, an ammonia converter unit and a ur ea synthesizer unit. Each of Fischer-Tropsch liquids, ammonia, hydrogen and ure a can be recoverable under proper economic conditions. Electrical power is recoverable by the addition of at least one of a steam turbine and a gas turbine which is/are coupled to an electrical generator.</p> |
