年产5万吨食品级CO2生产工艺的设计TheProcessDesignof50kt/aFood-gradeCO2摘要.................................................................................................................................................IAbstract.........................................................................................................................................II引言................................................................................................................................................1第一章绪论.............................................................................................................................21.1CO2的性质........................................................................................................................21.2CO2的用途........................................................................................................................21.2.1食品级CO2的用途.......................................................................................................21.2.2工业级CO2的用途........................................................................................................31.3国内CO2的市场概况......................................................................................................31.4国外CO2的市场概况......................................................................................................41.5国内CO2的市场概况......................................................................................................51.6详述国内CO2消费分布和结构......................................................................................7第二章工艺流程设计...........................................................................................................92.1食品级液态CO2的生产方法..........................................................................................92.2生产食品级液态CO2的原料气来源............................................................................102.2.1石灰窑气、锅炉烟道气等低CO2浓度原料气.........................................