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                    1. www国产精品视频_亚洲精品天堂_久久久久亚洲精品_国产又大又硬又粗_来一水AV@lysav

                      Technical articles技術(shù)文章
                      首頁(yè) > 技術(shù)文章 >利用中試級(jí)的H-Cube Midi 連續(xù)流動(dòng)氫化儀放大氫化反應(yīng)

                      利用中試級(jí)的H-Cube Midi 連續(xù)流動(dòng)氫化儀放大氫化反應(yīng)

                       更新時(shí)間:2012-08-24 點(diǎn)擊量:1982

                         The diffi culties involved in scaling up reactions from laboratory to process scale are well
                      known, especially when dangerous materials are involved. This paper will demonstrate the
                      capability of the H-Cube Midi™ to successfully scale-up hydrogenation reactions.
                         Reaction pathways are usually designed in laboratories on a small scale using stirred, glass vessels. When scale-up is attempted using a larger vessel, unexpected reactions may occur or problems including catalyst and inhibition effects. Also, the time taken for the reaction to go to completion is often signifi cantly increased.
                         The advent of fl ow technology has offered a methodology that can overcome these restrictions and allow rapid preparation of compounds with minimum workup. Reactions are carried out on a small scale but the amount of product can be increased by allowing a larger volume to fl ow through the system. This has a number of advantages. The thermo-chemistry of the reaction doesn’t change, so the reaction result will be constant. The heat production is highly controllable meaning many hazardous reagents that were prohibited previously may now be used in a safe controlled manner. Furthermore, reagents or compounds only undergo short reaction times and are then eluted into
                      a collection vial, so further reaction with starting materials or
                      thermal decomposition is unlikely.
                      INTRODUCTION
                         The H-Cube Midi™ represents the fi rst step in ThalesNano, Inc.’s development of process scale fl ow hydrogenation. Utilizing current H-Cube® technology, the H-Cube Midi™ seeks to increase the capacity of the present H-Cube® without compromising effi ciency and safety. The H-Cube Midi™ will
                      allow users of the H-Cube® to scale up reactions and achieve the same results.


                      Official ThalesNano website: www.thalesnano.com
                      Official ThalesNano contact : flowchemistry@thalesnano.com

                       

                        

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