Methanol dehydration to dimethyl ether over strong-acid-modified diatomite catalysts

被引:8
|
作者
Pranee, Watcharakorn [1 ]
Neramittagapong, Sutasinee [1 ]
Assawasaengrat, Pornsawan [2 ]
Neramittagapong, Arthit [1 ]
机构
[1] Khon Kaen Univ, Dept Chem Engn, Fac Engn, 123 Moo 16 Mittapap Rd, Khon Kaen 40002, Thailand
[2] King Mongkuts Inst Technol Ladkrabang, Dept Chem Engn, Fac Engn, Bangkok, Thailand
关键词
Acid catalyst; alternative energy; dimethyl ether; diatomite; methanol; ZEOLITES;
D O I
10.1080/15567036.2015.1132285
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Dimethyl ether synthesis via methanol dehydration over strong-acid-modified (with sulfuric, hydrochloric and nitric acid) diatomite (DM) catalysts was conducted in a fixed-bed reactor with elevated temperature reaction from 250 to 350 degrees C. The modified DM catalysts were characterized by using X-ray diffraction, scanning electron microscopy, fourier transform infrared spectroscopy, fourier transform Raman spectroscopy, temperature-programmed desorption of ammonia, temperature-programmed of carbon dioxide, thermal gravimetric analysis, and solid-state 27Aluminum magic angle spinning/nuclear magnetic resonance spectroscopy. It was found that sulfuric-acid-modified DM catalyst yielded the highest DME selectivity (similar to 99%). It was also revealed that methanol conversion depended on Al ions. The methanol conversion increased with Al-(IV) but decreased with Al-(V) and Al-(VI).
引用
收藏
页码:3109 / 3115
页数:7
相关论文
共 50 条
  • [1] Dehydration of methanol to dimethyl ether over modified vermiculites
    Dcbek, Radoslaw
    Gomes Ribeiro, Maria Filipa
    Fernandes, Auguste
    Motak, Monika
    COMPTES RENDUS CHIMIE, 2015, 18 (11) : 1211 - 1222
  • [2] Catalytic dehydration of methanol to dimethyl ether over mordenite catalysts
    Moradi, G. R.
    Yaripour, F.
    Vale-Sheyda, P.
    FUEL PROCESSING TECHNOLOGY, 2010, 91 (05) : 461 - 468
  • [3] Catalytic dehydration of methanol to dimethyl ether (DME) over solid-acid catalysts
    Yaripour, F
    Baghaei, F
    Schmidt, I
    Perregaard, J
    CATALYSIS COMMUNICATIONS, 2005, 6 (02) : 147 - 152
  • [4] Catalytic dehydration of methanol to dimethyl ether (DME) over solid-acid catalysts
    Jun, KW
    Lee, HS
    Roh, HS
    Park, SE
    BULLETIN OF THE KOREAN CHEMICAL SOCIETY, 2002, 23 (06) : 803 - 806
  • [5] Dehydration of methanol over Nordstrandite based catalysts for dimethyl ether synthesis
    Seo, Chang Won
    Jung, Kwang Deok
    Lee, Kwan Young
    Yoo, Kye Sang
    JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY, 2009, 15 (05) : 649 - 652
  • [6] DEHYDRATION CATALYSTS FOR THE METHANOL DIMETHYL ETHER REACTION
    SPIVEY, JJ
    CHEMICAL ENGINEERING COMMUNICATIONS, 1991, 110 : 123 - 142
  • [7] Kinetic parameter estimation for methanol dehydration to dimethyl ether over sulfonic and polymeric acid catalysts
    Barbarossa, Vincenzo
    Viscardi, Rosanna
    Di Nardo, Antonio
    Santagata, Alfonso
    JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, 2020, 95 (06) : 1739 - 1747
  • [8] Dimethyl ether synthesis from methanol over diatomite catalyst modified using nitric acid treatment
    Pranee, Watcharakorn
    Neramittagapong, Sutasinee
    Assawasaengrat, Pornsawan
    Neramittagapong, Arthit
    ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS, 2016, 38 (15) : 2244 - 2249
  • [9] Sulfonated catalysts for methanol dehydration to dimethyl ether (DME)
    Barbarossa, Vincenzo
    Viscardi, Rosanna
    Maestri, Giovanni
    Maggi, Raimondo
    Gattia, Daniele Mirabile
    Paris, Emanuele
    MATERIALS RESEARCH BULLETIN, 2019, 113 : 64 - 69
  • [10] Dehydration of Methanol to Dimethyl Ether over Heteropoly Acid Catalysts: The Relationship between Reaction Rate and Catalyst Acid Strength
    Alharbi, Walaa
    Kozhevnikova, Elena F.
    Kozhevnikov, Ivan V.
    ACS CATALYSIS, 2015, 5 (12): : 7186 - 7193