Paper Information

Title:  HETEROGENEOUS CATALYSTS FOR SUB- AND SUPERCRITICAL WATER GASIFICATION OF WASTES AND BIOMASS
Type: PAPER
Author(s): ZIAEE MEYSAM*,PAZANDEHKAR HIRAD,TAGHVAIE NAKHJIRI ALI
 
 *DEPARTMENT OF CHEMICAL ENGINEERING, SOUTH TEHRAN BRANCH, ISLAMIC AZAD UNIVERSITY, TEHRAN, IRAN
 
Name of Seminar: INTERNATIONAL CONFERENCE OIL, GAS, PETROCHEMICAL AND POWER PLANT
Type of Seminar:  CONFERENCE
Sponsor:  SHERKATE TAVONI AMOZESHI PAZHOHESHI VESTA
Date:  2012Volume 1
 
 
Abstract: 

NOWADAYS, SUBSTANTIAL EFFORTS ARE DEVOTED TO DECREASE OUR DEPENDENCE ON FOSSIL FUELS. THIS CHANGE WILL HEAVILY RELY ON DEVELOPMENT OF NEW AND IMPROVED CATALYTIC PROCESSES. OVER THE PAST TWO DECADES, CATALYTIC HYDROGEN PRODUCTION FROM WET BIOMASS AND ORGANIC COMPOUNDS IN SUB- AND SUPERCRITICAL WATER (SCW) HAS GAINED SIGNIFICANT ATTENTION. IN THIS PROCESS, CATALYSTS ARE EMPLOYED TO ENHANCE THE GAS FORMATION RATE AT MODERATE TEMPERATURES. CATALYSTS CAN BE ALSO UTILIZED TO SHIFT THE PRODUCT DISTRIBUTION TOWARD A MORE DESIRABLE COMPOUND (E.G. HYDROGEN). THE EFFECTIVENESS OF VARIOUS TYPES OF HETEROGENEOUS CATALYSTS, MAINLY CONTAINING NICKEL AND RUTHENIUM, HAVE BEEN DEMONSTRATED FOR HYDROTHERMAL GASIFICATION OF ORGANIC COMPOUNDS. THIS PAPER OVERVIEWS THE MAJOR FINDINGS OF HYDROTHERMAL GASIFICATION WITH THE AID OF HETEROGENEOUS CATALYSTS IN TERMS OF ACTIVITY, HYDROGEN SELECTIVITY AND STABILITY. COMMERCIALLY AVAILABLE CATALYSTS INCLUDING SUPPORTED AND SKELETAL METAL CATALYSTS, ACTIVATED CARBON, OXIDES, METAL WIRES AND OTHER INNOVATIVE CATALYSTS ARE CONSIDERED.

 
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