نتایج جستجو برای: microreactors
تعداد نتایج: 586 فیلتر نتایج به سال:
Efficient and continuous monoacylation of symmetrical diamines performed in microreactors yielded superior selectivity to that predicted by statistical considerations. It is highly valuable that the kinetically controlled product in high yields was achieved without any special catalyst at ambient temperature.
The cyclodehydration of a number of Bohlmann-Rahtz aminodienones exemplifies the use of continuous flow processing to transfer operations from commercial microreactors and microwave batch reactors to mesoscale production using different technology platforms, including a microwave flow reactor.
An overview of asymmetric synthesis in continuous flow and microreactors is presented in this review. Applications of homogeneous and heterogeneous asymmetric catalysis as well as biocatalysis in flow are discussed.
Reductive lithiation of benzyl halides bearing aldehyde carbonyl groups followed by reaction with subsequently added electrophiles was successfully accomplished without affecting the carbonyl groups by taking advantage of short residence times in flow microreactors.
Enantiomerically pure cyanohydrins are of great importance in the chemical and pharmaceutical industries can be efficiently obtained under flow-through conditions using structured microreactors.
A pilot plant for continuous flow microwave-assisted chemical reaction combined with microreactors was developed and water heating tests were conducted for evaluation of the developed plant. We developed a microwave apparatus having a single microwave generator that can heat reaction solutions in four reaction fields simultaneously in order to increase throughput. We also designed a four-branch...
Efficient synthesis of furfural from xylose over the HCl catalyst in a water-methyl isobutyl ketone biphasic system was achieved slug flow microreactors, using NaCl as promotor which facilitates dehydration and suppresses condensation. An optimized yield 93% obtained 1 M 0.2 with 10 wt% at 180°C within 4 min. A comprehensive kinetic model developed monophasic experiments water by incorporating ...
With the increasing number of recalcitrant pollutants in wastewater treatment plants, there will be a stringent need for rapid and convenient development tertiary processes such as advanced oxidation (AOPs). Microreactors offer great opportunity ultrafast safe intrinsic kinetic parameters determination, by-products identification, ecotoxicity assessment. Despite considerable potential these dev...
Microreactors present innovative solutions for problems pertaining to conventional reactors and therefore have seen successful application in several industrial processes. Yet, its application in heterogeneously catalyzed gas-liquid reactions has been challenging, mainly due to the lack of an easy and flexible methodology for catalyst incorporation inside these reactors. Herein, we report a fac...
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