亚博买球

一种用于纯生啤酒过滤膜清洗的固体复合酶剂

2015-09-12 22:27:26 admin 107
一种用于纯生啤酒过滤膜清洗的固体复合酶剂 
CN 102078770 B
摘要
本发明属于膜过滤领域,涉及一种用于纯生啤酒过滤膜清洗的固体复合酶剂,其成分(以重量份计)为木聚糖酶0.5~2.0份,ß-葡聚糖酶0.5~2.0份,中性蛋白酶0.5~2.5份,果胶酶0.5~1.0份,氯化钙0.05~0.1份,乙二胺四乙酸(EDTA)0.5~1.0份。本发明提供的复合固体酶膜清洗剂针对纯生啤酒膜堵塞物质的结构和性质特点,配制降解膜堵塞物质的清洗剂,能有效地清洗纯生啤酒过滤膜,使膜的使用寿命大大提高,不但降低过滤成本,同时能减少清洗膜所用酸碱带来的环境污染,具有重要的现实意义。
权利要求(5)
1. 一种用于纯生啤酒过滤膜清洗的固体复合酶剂,其特征在于含有以下重量份数的组分:木聚糖酶0. 5〜2. 0份、β-葡聚糖酶0. 5〜2. 0份、中性蛋白酶0. 5〜2. 5份、果胶酶 0. 5〜1. 0份、氯化钙0. 05〜0. 1份和乙二胺四乙酸0. 5〜1. 0份;所述组分的酶活力分别为:木聚糖酶10万IU/g,β-葡聚糖酶2万IU/g,中性蛋白酶7万IU/g,果胶酶3万IU/
2.如权利要求1所述的固体复合酶剂,其特征在于该复合酶剂以葡萄糖或环糊精为载体。
3.如权利要求1所述的固体复合酶剂的制备方法,其特征在于将木聚糖酶、B"葡聚糖酶、果胶酶、中性蛋白酶按比例混合,室温下搅拌20〜30分钟,再加入氯化钙和乙二胺四乙酸,继续搅拌10〜20分钟。
4.如权利要求1所述的固体复合酶剂的使用方法,其特征在于将该固体复合酶剂应用于清洗纯生啤酒的膜过滤系统;所述复合酶剂先溶解于水中成为酶液,复合酶剂和水的质量比为1:5,酶液注入膜过滤系统并充满其中的过滤机,在其中交替进行循环流动处理和休止停留处理,每个循环流动处理时间10〜20分钟,每个休止停留处理时间50〜60分钟, 总处理时间20〜25小时。
5.如权利要求4所述的固体复合酶剂的使用方法,其特征在于每两个月采用固体复合酶剂清洗膜过滤系统一次。
说明

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专利引用
引用的专利 申请日期 公开日 申请人 专利名
1998年4月7日 2000年7月12日 帕尔亚博买球 生产啤酒的方法
2006年11月28日 2007年5月30日 天津达美亚博买球有限亚博买球 超滤清洗酶
2005年11月10日 2008年1月2日 约翰逊迪瓦西亚博买球 用来清洗滤膜的程序
1998年4月7日 2006年11月7日 Pall Corporation Method for producing beer
非专利引用
参考文献
1   JP特开2005-247981A 2005.09.15
分类
   
国际分类号
法律事件
日期 代码 事件 说明
2011年6月1日 C06 Publication  
2011年7月20日 C10 Request of examination as to substance  
2012年6月27日 C14 Granted