نتایج جستجو برای: reactor

تعداد نتایج: 29420  

Journal: :The Veterinary record 2012
D Murray T A Clegg S J More

The 'Singleton Protocol' was adopted by the Irish Department of Agriculture Fisheries and Food (DAFF) in 1996 to address the incomplete specificity of the single intra-dermal comparative tuberculin test (SICTT) used in Ireland for the detection of animals infected with bovine tuberculosis (bTB). The protocol allows the early restoration of disease-free status to herds with a single reactor brea...

2006
Hannes SCHMIDT

Feasibility Study of Shaped Electrode The objective of this project was a feasibility study of a novel, large-area plasma reactor for thin film production, based on a shaped electrode technique (“lens”) to compensate the standing wave non-uniformity. Cylindrical Test Reactor In the first phase a cylindrical reactor was designed and constructed to show the “proof of principle” of a novel electro...

1998
Ajay K. Ray Antonie A.C.M. Beenackers

The puri®cation of water by heterogeneous photocatalysis is one of the most rapidly growing areas of interest to both research workers and water puri®cation plants. Recent literature has demonstrated on a laboratory scale the potential of this promising technology to completely destroy organic pollutants dissolved or dispersed in water into harmless substances. However, to date no viable pilot ...

2006
C. Horny A. Renken

This study addresses the development of a compact reactor for oxidative steam-reforming of methanol (OSRM) to produce hydrogen in autothermal mode for fuel cells. The string reactor uses catalytically active brass wires with a diameter of 500 mm placed in parallel into a tube. The micro-channels in the reactor for gases are formed between the wires presenting hydrodynamics similar to the one in...

2005
K. R. WESTERTERP

Abstrati-An experimental study of the catalytic hydrogenation of 2,4_dinitrotoluene (DNT) in a miniinstallation with a continuously operated stirred three-phase slurry reactor and an evaporating solvent is discussed_ Some characteristic properties of the reactor system and the influence of the operating parameters on the performance of the reactor are illustrated. The experimental results are c...

2006
B. B. He A. P. Singh J. C. Thompson

The production of biodiesel through batch and existing continuous-flow processes requires the use of a much higher excess alcohol, typically 100%, than the stoichiometric molar requirement in order to drive the transesterification reaction to completion. This excess alcohol must be recovered in a separate process, which involves additional capital and operating costs. In this study, a novel rea...

Abbas Ali Khodadadi Ahmad Tavasoli, Kambiz Sadaghiani Yadollah Mortazavi

In a novel dual bed reactor Fischer-Tropsch synthesis was studied by using two diffrent cobalt catalysts. An alkali-promoted cobalt catalyst was used in the first bed of a fixed-bed reactor followed by a Rutenuim promoted cobalt catalyst in the second bed. The activity, product selectivity and accelerated deactivation of the system were assessed and compared with a conventional single bed r...

2012
W. S. YANG

Six advanced reactor concepts have been selected for Generation-IV reactors and are being investigated worldwide to meet the challenging goals of effective resource utilization and waste minimization (sustainability), improved safety, enhanced proliferation resistance, and reduced system cost. [1] The six systems are very high temperature reactor (VHTR), sodium-cooled fast reactor (SFR), superc...

Journal: :international journal of environmental research 2011
m. selvamurugan p. doraisamy m. maheswari n.b. nandakumar

in this paper, startup performance of upflow anaerobic hybrid reactor and upflow anaerobic sludge blanket reactors in anaerobic treatment of distillery spentwash has been studied under identical conditions of operation. various effluent characteristics like ph, electrical conductivity, chemical oxygen demand, biochemical oxygen demand and total solids and other process parameters like biogas p...

Journal: :international journal of environmental research 2013
r. rodríguez-gómez l. moreno l. liu

a model describing the main processes occurring in the uasb reactor was developed; in orderto maintain simplicity and applicability of the model, only the fundamental aspects were considered. in themodel, the reactor is divided in several well-stirred reactors coupled in series and it comprises substratedegradation, biomass growth and the reactions that take place within the granules. the impor...

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