共查询到20条相似文献,搜索用时 140 毫秒
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我公司于1999年引进FILTROX滤酒机(用水预涂)的同时,又引进了一套ALfa LavaL脱氧水设备。该脱氧水设备为全自动控制,但不具备杀菌功能。为了保证产品质量,我们根据实际情况,自行设计并安装了一套自动脱氧水紫外线杀菌装置,通过几年的运行,取得了令人满意的效果。 相似文献
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控制啤酒发酵液出罐及过滤清酒溶解氧,需要从工艺流程角度出发,保证高的CO2纯度,低的脱氧水溶解氧含量,完好的设备气密性以及做足完善的避氧措施。文章从工艺流程角度出发,对啤酒发酵液出罐及过滤过程中的关键控制点逐一分析,从而改善清酒溶解氧含量。 相似文献
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在啤酒生产过程中,脱氧水用作高浓啤酒的稀释以提高设备的利用率降低生产成本"。目前工业生产中主要采取加热+CO2置换除氧的热法和常温直接用CO2置换制脱氧水的冷法两种方式。本文通过比较两种方法的优缺点,为选择使用提供参考。 相似文献
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除沫器自动冲洗装置的设计及应用 总被引:1,自引:0,他引:1
本文针对Ⅰ效二次蒸汽折流板式除沫器需定时冲洗的实际情况,设计了一套冲洗间隔灵活可调的自动冲洗装置,该装置结构简单、工作可靠,易于实现,有一定的实用价值。 相似文献
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X.Q. SHI K.C. CHANG J.G. SCHWARZ D. WIESENBORN M.C. SHIH 《Journal of food science》1996,61(3):608-612
Most pigment in sunflower heads is water soluble, but is strongly associated with extractable pectin. Washing sunflower heads before pectin extraction is necessary to remove pigment and improve pectin quality. An undesirable side effect is loss of water-soluble pectin. Response Surface Methodology (RSM) was applied to determine effects of variables and to optimize washing conditions for minimum pectin loss with maximum pigment removal. Benchscale washing experiments were carried out at 70-80°C for 10-30 min at water/solid ratios (v/w) of 20:1 to 40: 1, respectively. Both removal of water-soluble pigments and loss of pectin from sunflower tissue increased with increasing temperature, washing time, and water/solid ratio. Optimum conditions were 74.8°C for 25 min at a 25:1 water/solid ratio. This resulted in removal of 56.47% of the pigment, but loss of 2.90% of the pectin, which is practicable for the sunflower pectin industry. 相似文献
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淡水鱼糜漂洗水中水溶性蛋白质回收的研究 总被引:2,自引:0,他引:2
研究和比较了四种不同回收剂回收淡水鱼糜漂洗水中水溶性蛋白质的特性。首先,通过正交试验法以蛋白质的回收率为指标,优化三氯化铁、阳离子聚丙烯酰胺、明矾和硫酸锌回收淡水鱼糜漂洗水中水溶性蛋白质的的最佳条件,分别为三氯化铁浓度0.05%、pH值6.0、温度20℃和时间50 min;阳离子聚丙烯酰胺pH值3.0,浓度0.4%,时间70 min和温度20℃;明矾浓度0.2%,pH6.0,温度20℃和时间50 min以及硫酸锌时间70 min,温度15℃,浓度0.2%和pH7.5。其次,测定四种不同回收剂在最佳条件下回收淡水鱼糜漂洗水中水溶性蛋白质的回收率,最大回收率分别为三氯化铁83.26%、阳离子聚丙烯酰胺70.78%、明矾74%和硫酸锌61.56%。从回收效果、卫生安全性和成本角度综合考虑,三氯化铁法和硫酸锌法具有实际可应用性。 相似文献
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Efficacy of Slightly Acidic Electrolyzed Water and UV‐Ozonated Water Combination for Inactivating Escherichia Coli O157:H7 on Romaine and Iceberg Lettuce during Spray Washing Process 下载免费PDF全文
Spray washing is a common sanitizing method for the fresh produce industry. The purpose of this research was to investigate the antimicrobial effect of spraying slightly acidic electrolyzed water (SAEW) and a combination of ozonated water with ultraviolet (UV) in reducing Escherichia coli O157:H7 on romaine and iceberg lettuces. Both romaine and iceberg lettuces were spot inoculated with 100 μL of a 3 strain mixture of E. coli O157:H7 to achieve an inoculum of 6 log CFU/g on lettuce. A strong antimicrobial effect was observed for the UV‐ozonated water combination, which reduced the population of E. coli by 5 log CFU/g of E. coli O157:H7 on both lettuces. SAEW achieved about 5 log CFU/g reductions in the bacterial counts on romaine lettuce. However, less than 2.5 log CFU/g in the population of E. coli O157:H7 was reduced on iceberg lettuce. The difference may be due to bacteria aggregation near and within stomata for iceberg lettuce but not for romaine lettuce. The UV light treatment may stimulate the opening of the stomata for the UV‐ozonated water treatment and hence achieve better bacterial inactivation than the SAEW treatment for iceberg lettuce. Our results demonstrated that the combined treatment of SAEW and UV‐ozonated water in the spray washing process could more effectively reduce E. coli O157:H7 on lettuce, which in turn may help reduce incidences of E. coli O157:H7 outbreaks. 相似文献
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水洗机废水的回收利用 总被引:1,自引:0,他引:1
介绍了淮北印染集团公司水洗机产生的废水经简单处理后,回收利用到部分设备和清洁卫生用水.节约了水资源,减少了污水排放量,取得了明显的经济效益和环境效益。 相似文献