部份互溶雙成份水溶液之閃火點預測; The flash-point prediction for binary partially miscible aqueous-organic solutions

中國醫藥大學機構典藏 China Medical University Repository, Taiwan > 公共衛生學院 > 職業安全與衛生學系暨碩士班 > 博碩士論文 > Item 310903500/739

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题名:	部份互溶雙成份水溶液之閃火點預測;The flash-point prediction for binary partially miscible aqueous-organic solutions
作者:	陳建村;Chien-Tsun Chen
贡献者:	中國醫藥大學：職業安全衛生學系碩士班
关键词:	閃火點;預測;部份互溶混合物;汽-液平衡;液-液平衡;Flash point;Prediction;Partially miscible mixtures;Vapor-liquid
日期:	2007-07-11
上传时间:	2009-08-12 15:21:08 (UTC+8)
摘要:	閃火點，決定液體火災爆炸危害最重要的指標。部分互溶混合物出現於化學製程之液-液萃取程序。本研究欲發展部份互溶雙成份水溶液之閃火點數學預測模式，並以模式預測值與儀器實驗值（混合物：水＋正丁醇、水＋2-丁醇、水＋異丁醇、水＋正戊醇、水＋正辛烷）間的比較以驗證此數學模式的有效性與合理性。整體而言，模式預測的結果與實驗值吻合。研究結果亦顯示，針對部份互溶雙成份水溶液閃火點預測時不可忽略液-液平衡行為。此數學模式在評估部份互溶雙成份水溶液的火災爆炸危害與化學製程安全設計上應具相當地應用潛力。 Flash point is the most important variable used to characterize fire and explosion hazard of liquids. Herein, partially miscible mixtures are presented within the context of liquid-liquid extraction processes. This paper describes development of a model for predicting the flash point of binary aqueous-organic solutions with partial miscibility. To confirm the predictive efficacy of the derived flash points, the model was verified by comparing the predicted values with the experimental data for the studied mixtures: water + 1-butanol; water + 2-butanol; water + isobutanol; water + 1-pentanol; and, water + 1-octane. Our results reveal that immiscibility in the two liquid phases should not be ignored in the prediction of flash point. Overall, the predictive results of this proposed model describe the experimental data well. Based on this evidence, therefore, it appears reasonable to suggest potential `application for our model in assessment of fire and explosion hazards, and development of inherently safer designs for chemical processes containing binary partially miscible mixtures of water with one flammable solvent.
显示于类别:	[職業安全與衛生學系暨碩士班] 博碩士論文

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