申请人:Takeda Chemical Industries, Ltd.
公开号:EP0055137A2
公开(公告)日:1982-06-30
The present invention relates to a method for concentrating a dilute aqueous solution of a β-lactam antibiotic which is readily susceptible to heat, by subjecting a dilute aqueous solution of a β-lactam antibiotic, said solution containing 2 to 20% (v/v) of a lower alcohol, to concentration by means of a permeable membrane made of poly-(ether/amide) or polybenzimidazolone.
本发明涉及一种浓缩易受热影响的β-内酰胺类抗生素稀水溶液的方法,该方法是将含有 2% 至 20% (v/v) 低级醇的β-内酰胺类抗生素稀水溶液通过聚醚/酰胺或聚苯并咪唑酮制成的渗透膜进行浓缩。