نتایج جستجو برای: membrane reactors

تعداد نتایج: 399444  

Journal: :Small 2023

Artificial Cells In article number 2202962, Yoon-Kyoung Cho and co-workers discuss the latest advances in cell membrane-engineered micro or nanoreactors that simulate biochemical compartments, signaling cascades, energy generation, growth, reproduction, adaptability. These reactors have potential to provide hybrid solutions for pharmaceutical drugs, biosensors, novel materials, microreactors.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - پژوهشکده فنی و مهندسی 1388

asymmetric polyethersulfone (pes) microfiltration flat sheet membranes were composed by the phase inversion method (pim) and were used as supports. composite membranes were fabricated by coating silicone rubber as selective layer. effect of different concentrations of pes and pdms and different solvent such as nmp, dmf and dms effects as pes solvents and support thickness and different coagulat...

Journal: :Chemical communications 2009
Yoichi M A Yamada Toshihiro Watanabe Kaoru Torii Yasuhiro Uozumi

A variety of catalytic membranes of palladium-complexes with linear polymer ligands were prepared inside a microchannel reactor via coordinative and ionic molecular convolution to provide catalytic membrane-installed microdevices, which were applied to the instantaneous allylic arylation reaction of allylic esters and aryl boron reagents under microflow conditions to afford the corresponding co...

2006
Joris Smit

Natural gas is becoming an increasingly important energy source, due to the increasing energy demands and declining oil reserves, whereas large volumes of natural gas are still widely available at remote locations. In view of the existing infrastructure for liquid fuels, natural gas is most efficiently used in the transport sector by converting it to liquid fuels via the Gas-To-Liquid process. ...

2015
Cloelle G. S. Giddings Kelly P. Nevin Trevor Woodward Derek R. Lovley Caitlyn S. Butler

Microbial electrosynthesis, an artificial form of photosynthesis, can efficiently convert carbon dioxide into organic commodities; however, this process has only previously been demonstrated in reactors that have features likely to be a barrier to scale-up. Therefore, the possibility of simplifying reactor design by both eliminating potentiostatic control of the cathode and removing the membran...

2016
Fausto Gallucci Jose Antonio Medrano Adele Brunetti Giuseppe Barbieri Jose Luis Viviente Michael Henson

This paper reports the findings of a FP7 project (DEMCAMER) that developed materials (catalysts and membranes) and new processes for four industrially relevant reaction processes. In this project, active, stable, and selective catalysts were developed for the reaction systems of interest and their production scaled up to kg scale (TRL5 (TRL: Technology Readiness Level)). Simultaneously, new mem...

2002
J. MUNERA S. IRUSTA L. M. CORNAGLIA E. A. LOMBARDO

−− Rh, Ni and Rh-Ni catalysts were prepared by wet impregnation of La2O3. The Rh content was modified but the Ni loading was kept constant at 2 wt%. The solids were calcined at 823 K in air flow and were reduced at 973 K in flowing hydrogen. The activity, stability, and residue formation during the CO2 reforming of CH4, of all the catalysts were tested in a fixed-bed reactor. Those with low car...

Journal: :Catalysis Today 2023

In response to the growing trend of greenhouse gas emissions from production and use conventional fuels, COx free hydrogen generation is introduced as an alternative efficient energy carrier. Due hydrogen’s storage challenges, more be produced on-site by other chemical compounds for fuel cell applications. This work outlines (H2) ammonia (NH3) hydrous hydrazine (N2H4·H2O) catalytic decompositio...

Journal: :Environmental Research 2021

Biofouling impedes the performance of anaerobic membrane bioreactors (AnMBR). Two reactors, one as an up-flow attachment-growth AnMBR (UA-AnMBR) configuration, and other, a continuously stirred (CS-AnMBR) were evaluated for differences in fouling rate. TMP increment UA-AnMBR was slower than CS-AnMBR, although both reactors had similar COD removal efficiency (ca. > 96%). Slower rate related to l...

2014
Fuqiang Ma Yuan Xie Chen Huang Yan Feng Guangyu Yang

High-throughput screening is a key technique in discovery and engineering of enzymes. In vitro compartmentalization based fluorescence-activated cell sorting (IVC-FACS) has recently emerged as a powerful tool for ultrahigh-throughput screening of biocatalysts. However, the accuracy of current IVC-FACS assays is severely limited by the wide polydispersity of micro-reactors generated by homogeniz...

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