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| 1 | Conversion enhancement of tubular fixed-bed reactor for Fischer-Tropsch synthesis using static mixer显示文摘Recently,Fischer-Tropsch synthesis(FTS) has become an interesting technology because of its potential role in producing biofuels via Biomassto-Liquids(BTL) processes.In Fischer-Tropsch(FT) section,biomass-derived syngas,mainly composed of a mixture of carbon monoxide(CO) and hydrogen(H2),is converted into various forms of hydrocarbon products over a catalyst at specified temperature and pressure.Fixed-bed reactors are typically used for these processes as conventional FT reactors.The fixed-bed or packed-bed type reactor has its drawbacks,which are heat transfer limitation,i.e.a hot spot problem involved highly exothermic characteristics of FT reaction,and mass transfer limitation due to the condensation of liquid hydrocarbon products occurred on catalyst surface.This work is initiated to develop a new chemical reactor design in which a better distribution of gaseous reactants and hydrocarbon products could be achieved,and led to higher throughput and conversion.The main goal of the research is the enhancement of a fixed-bed reactor,focusing on the application of KenicsTM static mixer insertion in the tubular packed-bed reactor.Two FTS experiments were carried out using two reactors i.e.,with and without static mixer insertion within catalytic beds.The modeled syngas used was a mixed gas composed of H2/CO in 2:1 molar ratio that was fed at the rate of 30mL(STP)min1(GHSV≈136mL g1 cat h1) into the fixed Ru supported aluminum catalyst bed of weight 13.3g.The reaction was carried out at 180℃ and atmospheric pressure continuously for 36h for both experiments.Both transient and steady-state conversions(in terms of time on stream) were reported.The results revealed that the steady-state CO conversion for the case using the static mixer was approximately 3.5 times higher than that of the case without static mixer.In both cases,the values of chain growth probability of hydrocarbon products(α) for Fischer-Tropsch synthesis were 0.92 and 0.89 for the case with and without static mixer,respectively. | Phavanee Narataruksa Sabaithip Tungkamani Karn Pana-Suppamassadu Phongsak Keeratiwintakorn Siriluck Nivitchanyong Piyapong Hunpinyo Hussanai Sukkathanyawat Prayut Jiamrittiwong Visarut Nopparat | 2012 | Journal of Natural Gas Chemistry2012，21，4： | 2 |
| 2 | An optimal feedforward integral variable structure controller for the electrohydraulic position servo control systems显示文摘 | Phongsak Phakamach Chumphol Akkaraphong | 2004 | IEEE2004，，： | 1 |
| 3 | AODV Improvement for Vehicular Networks with Cross Layer Technique and Mobility prediction 显示文摘 | Noppakum Y Phongsak K | 2011 | Intelligent Signal Processing and Communication Systems2011，8，2： | 1 |
| 4 | Kinetics of a two- component p-hydroxyphenylacetate hydroxylase explain how reduced flavin is transferred from the reduetase to the oxygenase 显示文摘 | Sucharitakul J Phongsak J Entsch B | 2007 | Biochemistry2007，46，29： | 1 |
| 5 | A topology-based algorithm for tracking network connectivity显示文摘 | Phongsak D Y Iraj D | 1995 | IEEE Trans on Power Systems1995，10，1： | 1 |
| 6 | AODV Improvement for Vehicular Networks with Cross Layer Technique and Mobility Prediction显示文摘 | Noppakum Y Phongsak K | 2011 | Intelligent Signal Processing and Comm-unication Systems2011，8，2： | 1 |
| 7 | An Opti- mal Feedforward Integral Variable Structure Controller for the Electrohydraulic Position Servo Control Systems 显示文摘 | Phongsak Phakamach Chumphol Akkaraphong | 2004 | Tencon2004，，4： | 1 |
| 8 | A topology-based algorithm for tracking network connectivity显示文摘 | Dabbaghchi I | 1995 | IEEE Trans on Power Systems1995，10，2： | 1 |
| 9 | Anoptimal feedforward integral variable structure controller for the electrohydraulic position servo control systems显示文摘 | Phongsak Phakamach1 Chumphol Akkaraphong | 2004 | IEEE2004，，： | 1 |
| 10 | Vancomycin clearance during continuous venovenous haemofiltration in critically ill patients显示文摘 | Weerachai Chaijamorn Arnurai Jitsurong Kamonthip Wiwattanawongsa Usanee Wanakamanee Phongsak Dandecha | 2011 | International Journal of Antimicrobial Agents2011，，2： | 1 |
| 11 | An optimal feedforward integral variable structure controller for the electrohydraulic position servo control systems显示文摘 | Phongsak Phakamachl Champhol Akkaraphong | 2004 | IEEE2004，，： | 1 |
| 12 | Trausglucosylatian of tertiary alcohols using cassava β- gtucosidase 显示文摘 | SVASTI J PHONGSAK T SRNTHIMAA R | 2003 | Biochemical and Biophysical Research Communications2003，305，3： | 1 |
| 13 | Control of a DC Servomotor Using Fuzzy Logic Sliding Mode Moctel Following Controller显示文摘 | Phongsak Phakamach | 2009 | World Academy of Science Engineering and Technology2009，5，1： | 1 |
| 14 | A topology-based algorithm for trackingnetwork connectivity 显示文摘 | PHONGSAK D Y IRAJ D | 1995 | IEEE Transactions on Power Systems1995，10，1： | 1 |
| 15 | AODV Improvement for Vehicular Networks with Cross Layer Technique and Mobility prediction显示文摘 | Noppakum Y Phongsak K | 2011 | lntelligent Signal process- ing and Communication Systems2011，8，2： | 1 |
| 16 | AODV improvement for vehicular networks with cross layer technique and mobility prediction 显示文摘 | Noppakum Y Phongsak K | 2011 | Intelligent Signal processing and Communication Systems2011，8，2： | 1 |
| 17 | A topology-based algorithm for tracking network connectivity显示文摘 | Phongsak D V Iraj D | 1995 | IEEE Trans on Power Systems1995，10，2： | 1 |
| 18 | UTSAF:A multi-Agent-based software bridge for interoperabifity between distributed military and commercial gaming simulation显示文摘 | Phongsak Prasithsangaree Joseph Manojlovich Stephen Hughes | 2004 | Simulation2004，80，12： | 1 |
| 19 | AODV Improvement for Vehicular Networks with Cross Layer Technique and Mobility Prediction显示文摘 | Noppakum Y Phongsak K | 2011 | Intelligent Signal Processing and Communication Systems2011，8，2： | 1 |
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