dioxide

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  • The role of carbon dioxide in modified atmosphere packaging
    The role of carbon dioxide in modified atmosphere packaging
    2022-10-15
    二氧化碳在气调保鲜包装中的作用 CO2主要来自合成氨尾气、石灰窑释放气、CO2天然气井、酒及酒精发酵气体、高炉管道烟气等,上述不同来源的CO2经过一系列物理化学的工艺流程,进行分离回收和提纯后,才能合理使用,如用于气体包装、碳酸饮料、烟丝膨化、药物制品的萃取等,利用CO2自然降氧,气调保鲜已是国际上普遍使用的较为现代化的贮藏包装方法。CO2气调保鲜是将高纯度的CO2(99.5%以上V/V)注人密闭的贮藏包装容器内,以降低O2含量抑制果蔬中生物呼吸、遏制病菌的繁衍来达到保鲜的目的,国外已大量运用这种用CO2防虫保鲜方法,甚至在军事工业也采用CO2气体包装,如对某些高精密度的元件、部件及防氧化的电
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