GASEOUS HYDROCARBONS FROM FLASH PYROLYSIS OF ALMOND SHELLS

被引:35
作者
FONT, R
MARCILLA, A
DEVESA, J
VERDU, E
机构
[1] Univ de Alicante, Spain
关键词
Chemical Equipment--Reactors - Hydrocarbons--Production;
D O I
10.1021/ie00079a009
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
By use of a sand fluidized bed reactor, yields from major products from almond shells pyrolysis were measured in the 745-950°C temperature range. A Pyroprobe 100 pyrolyzer was also used to study the influence of particle size temperature and catalysts impregnated in the almond shell samples. The highest yield of gas was obtained in the sand fluidized bed reactor, without catalyst impregnated in the almond shells, at a temperature of 890°C and at a residence time of volatiles of ca. 2.3 s. Under these conditions, the yields of the major products are the following: 15 percent H2, 8.3 percent CH4, 4 percent C2H4, 45 percent CO, 28 percent CO2, 0.7 percent C2H6, 0.5 percent C3 H6 (weight dry basis). From the different set of experiments, it has been deduced that the production of the gaseous hydrocarbons can be explained taking into account the CO yield.
引用
收藏
页码:1143 / 1149
页数:7
相关论文
共 13 条
  • [1] EFFECTS OF REACTOR SEVERITY ON THE GAS-PHASE PYROLYSIS OF CELULOSE-DERIVED AND KRAFT LIGNIN-DERIVED VOLATILE MATTER
    ANTAL, MJ
    [J]. INDUSTRIAL & ENGINEERING CHEMISTRY PRODUCT RESEARCH AND DEVELOPMENT, 1983, 22 (02): : 366 - 375
  • [2] INFLUENCE OF PHYSICAL AND CHEMICAL-PARAMETERS ON WOOD PYROLYSIS
    BEAUMONT, O
    SCHWOB, Y
    [J]. INDUSTRIAL & ENGINEERING CHEMISTRY PROCESS DESIGN AND DEVELOPMENT, 1984, 23 (04): : 637 - 641
  • [3] DIEBOLD JP, 1980, GASOLINE SOLID WASTE, P209
  • [4] FLUIDIZED-BED FLASH PYROLYSIS OF ALMOND SHELLS - TEMPERATURE INFLUENCE AND CATALYSTS SCREENING
    FONT, R
    MARCILLA, A
    VERDU, E
    DEVESA, J
    [J]. INDUSTRIAL & ENGINEERING CHEMISTRY PRODUCT RESEARCH AND DEVELOPMENT, 1986, 25 (03): : 491 - 496
  • [5] CORRELATION OF VOLATILE PRODUCTS FROM FAST CELLULOSE PYROLYSIS
    FUNAZUKURI, T
    HUDGINS, RR
    SILVESTON, PL
    [J]. INDUSTRIAL & ENGINEERING CHEMISTRY PROCESS DESIGN AND DEVELOPMENT, 1986, 25 (01): : 172 - 181
  • [6] PRODUCT DISTRIBUTION IN PYROLYSIS OF CELLULOSE IN A MICROFLUIDIZED BED
    FUNAZUKURI, T
    HUDGINS, RR
    SILVESTON, PL
    [J]. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, 1986, 9 (02) : 139 - 158
  • [7] PRODUCT COMPOSITIONS AND KINETICS FOR RAPID PYROLYSIS OF CELLULOSE
    HAJALIGOL, MR
    HOWARD, JB
    LONGWELL, JP
    PETERS, WA
    [J]. INDUSTRIAL & ENGINEERING CHEMISTRY PROCESS DESIGN AND DEVELOPMENT, 1982, 21 (03): : 457 - 465
  • [8] PRODUCT COMPOSITIONS AND KINETICS IN THE RAPID PYROLYSIS OF MILLED WOOD LIGNIN
    NUNN, TR
    HOWARD, JB
    LONGWELL, JP
    PETERS, WA
    [J]. INDUSTRIAL & ENGINEERING CHEMISTRY PROCESS DESIGN AND DEVELOPMENT, 1985, 24 (03): : 844 - 852
  • [9] PRODUCT COMPOSITIONS AND KINETICS IN THE RAPID PYROLYSIS OF SWEET GUM HARDWOOD
    NUNN, TR
    HOWARD, JB
    LONGWELL, JP
    PETERS, WA
    [J]. INDUSTRIAL & ENGINEERING CHEMISTRY PROCESS DESIGN AND DEVELOPMENT, 1985, 24 (03): : 836 - 844
  • [10] CATALYTIC CONVERSION OF BIOMASS BY FAST PYROLYSIS
    ROLIN, A
    RICHARD, C
    MASSON, D
    DEGLISE, X
    [J]. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, 1983, 5 (02) : 151 - 166