黄酒常温微滤工艺影响因素及除菌效果研究
PDF下载 (4642)张雪艳,陆 茵,张 颖,卓 鸣,吕 恺,史西志.黄酒常温微滤工艺影响因素及除菌效果研究[J].宁波大学学报(理工版),2021,34(1):110-115.DOI:
ZHANG Xueyan,LU Yin,ZHANG Ying,ZHUO Ming,L <span style="font-size: 0.pt,font-family: ",Times New Roman",">ü Kai,SHI Xizhi.Study on the factors affecting the microfiltration process of rice wine and the effect of sterilization[J].Journal of Ningbo University(Natural Science & Engineering Edition),2021,34(1):110-115.DOI:
| Title: | Study on the factors affecting the microfiltration process of rice wine and the effect of sterilization |
| 作者: | 张雪艳, 陆 茵, 张 颖, 卓 鸣, 吕 恺, 史西志, Times New Roman", ">ü Kai, SHI Xizhi |
| Author(s): | ZHANG Xueyan, LU Yin, ZHANG Ying, ZHUO Ming, L <span style="font-size: 0.pt, font-family: ", Times New Roman", ">ü Kai, SHI Xizhi |
| 关键词: | 黄酒; PVC微滤膜; 流动形态; 跨膜压差; 错流流量 |
| Keywords: | rice wine; PVC microfiltration membrane; flow pattern; transmembrane pressure; cross-flow flow |
| 分类号: | TS261.4 |
| 文献标识码: | A |
| 摘要: | 采用PVC中空纤维微滤膜对黄酒进行过滤, 分析不同流动形态、跨膜压差以及错流流量对黄酒过滤通量的影响以及其动力学变化规律. 最终确定黄酒最佳过滤条件为在垂直错流流动形态下进行过滤, 跨膜压差为40kPa, 错流流量控制在125L?h-1左右. 对过滤前后的黄酒相关理化指标进行测定, 结果表明, 膜过滤技术对黄酒中必须营养物质的保留率较高, 过滤除菌效果明显, 杂菌总数去除率达到99.45%以上, 可同时达到除浊和除菌的目的. |
| Abstract: | The Chinese rice wine was filtered by PVC hollow fiber microfiltration membrane. The effects of different flow patterns, trans-membrane pressure differences and cross-flow on the filtration flux of rice wine and its dynamics were analyzed. The optimal filtration conditions for Chinese rice wine were determined as: filtration under vertical cross-flow pattern with 40 kPa trans-membrane pressure and 125 L?h-1 cross-flow flow. The physicochemical indexes of Chinese rice wine were measured before and after filtration. The results showed that the membrane filtration technology had higher retention rate of essential nutrients in Chinese rice wine. The effect of membrane filtration sterilization was evident. The removal rate of bacteria reaches 99.45%, and the purpose of removing turbidity and sterilization can be achieved simultaneously. |
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| 备注/Memo: | 收稿日期: 2019－09－12. 宁波大学学报（理工版）网址: http://journallg.nbu.edu.cn/基金项目: 国家自然科学基金（31772856）; 宁波大学王宽诚幸福基金.第一作者: 张雪艳（1994－）, 女, 云南昭通人, 在读硕士研究生, 主要研究方向: PVC膜的应用. E-mail: xyzhang1581814358@163.com*通信作者: 陆茵（1965－）, 女, 江苏南京人, 教授, 主要研究方向: 膜分离及应用技术. E-mail: luyin@nbu.edu.cn 宁波大学学报（理工版）网址：http://journallg.nbu.edu.cn/ |
