(1) Complex components(成分复杂) (2) Desired products in dilute suspension(悬液中的目标产物浓度低) 青霉素含量为36%,庆大霉素为0.2%,胰岛素仅为0.001% (3) Biological activity(生物活性) 条件相对温和 (4) Biological products require high quality(生物产品要求高质量) (5) Get highly purified dry products(获得高纯度的干燥产品)(6) Sanitation (卫生) 因此,生物分离过程往往成本很高,在某些产品的生产过程中,分离成本可 场 00000000000 工业 萄氧情海 /争 游奇酸属海 一荧喜 医疗一 1021010°10′1021031010510°10210210 鲁价什(8/kg) 能占到总成本的80%以上 Thus the recovery and the purification processes must be well conceived and well designed.(因此必须仔细考虑和设计产品的回收和纯化过程) We have found that our own designs have been improved by answering the following questions:(设计中应考虑下列问题1 That is the value of the product?（1）Complex components（成分复杂） （2）Desired products in dilute suspension（悬液中的目标产物浓度低） 青霉素含量为 3.6％，庆大霉素为 0.2％，胰岛素仅为 0.001％ （3）Biological activity（生物活性） 条件相对温和 （4）Biological products require high quality （生物产品要求高质量） （5）Get highly purified dry products（获得高纯度的干燥产品）（6）Sanitation （卫生） 因此，生物分离过程往往成本很高，在某些产品的生产过程中，分离成本可 能占到总成本的 80％以上 Thus the recovery and the purification processes must be well conceived and well designed.（因此必须仔细考虑和设计产品的回收和纯化过程） We have found that our own designs have been improved by answering the following questions: （设计中应考虑下列问题）（1）What is the value of the product?