Investigation of the effect of metal sites in Me–Al-MCM-41 (Me=Fe, Cu or Zn) on the catalytic behavior during the pyrolysis of wooden based biomass

Nilsen, Merete Hellner; Antonakou, Eleni V.; Bouzga, Aud M.; Lappas, Angelos A.; Mathisen, Karina; Stöcker, Michael

doi:10.1016/j.micromeso.2007.05.059

Cited by 114 publications

(63 citation statements)

References 29 publications

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“…Mesoporous materials having zeolite-like structure [26] includes MCM-41 [31][32][33][34][35], SBA-15 [32] and MSU-S [36]. Al-MCM-41 significantly changed the composition of bio-oil, increasing the yields of phenols, hydrocarbons and polycyclic aromatics hydrocarbons (PAH), while M a n u s c r i p t decreasing the yields of oxygenated carbonyl and acid compounds [34,37].…”

Section: Introductionmentioning

confidence: 99%

Catalytic pyrolysis of rice husk for bio-oil production

Bakar

Titiloye

2013

Journal of Analytical and Applied Pyrolysis

238

104

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Catalytic pyrolysis experiments have been carried out on Brunei Rice Husk (BRH) to obtain bio-oil using a fixed-bed pyrolysis rig. ZSM-5, Al-MCM-41, Al-MSU-F and Brunei rice husk ash (BRHA) were used as the catalysts for the catalytic pyrolysis experiments and comparison was done to analyse the changes in the bio-oil properties and yield. Properties of the liquid catalytic and non-catalytic bio-oil were analysed in terms of water content, pH, acid number, viscosity, density and calorific value. The bio-oil chemical composition shows that ZSM-5 increases the production of aromatic hydrocarbons and light phenols, whilst Al-MCM-41 reduces the acetic acid production. The catalytic runs increased the calorific value and water content in the bio-oil, whilst viscosity, density and acid number is decreased.

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Section: Introductionmentioning

confidence: 99%

Catalytic pyrolysis of rice husk for bio-oil production

Bakar

Titiloye

2013

Journal of Analytical and Applied Pyrolysis

238

104

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“…Nilsen et al [1] highlighted that unlike other renewable sources of energy such as solar and wind which only generates heat and power, biomass can be converted to liquid, solid and gaseous fuels. The components in lignocellulosic biomass such as lignin, cellulose and hemicellulose are assembled in a complex three-dimensional structure which lead to resistant against chemicals and microbial attack that makes it very difficult to hydrolyze.…”

Section: Introductionmentioning

confidence: 99%

Screening of hydrogen bond acceptor for the synthesis of low transition temperature mixtures with malic acid

Yiin

Yusup

Quitain

et al. 2015

WIT Transactions on Ecology and the Environment

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Biomass exploitation emerges to be the most probable and practical alternative in solving the global depletion of fossil fuels. Nevertheless, the components in lignocellulosic biomass are assembled in a complex three-dimensional structure which leads to difficulty in hydrolyzation and resistance against chemicals. In this context, low transition temperature mixtures (LTTMs) tend to be the promising green solvents to delignify lignocellulosic biomass. This research focused on customizing the physicochemical behaviour of LTTMs by a prudent selection of hydrogen bond acceptor (HBA) in which malic acid is used as the hydrogen bond donor (HBD). LTTMs with carbohydrates as HBA could be formed in the temperature range of 60 to 100 o C. On the other hand, LTTMs with organic and inorganic salts as HBA could only be formed in the temperature range of 100 to 180 o C. Besides, no crystallization of starting materials was observed for LTTMs prepared from carbohydrates when they are cooled to room temperature. This phenomenon was due to the hydrogen bonding and van der Waals interactions formed between the starting materials. Based on Fourier transform infrared spectroscopy (FTIR) analysis, the representative peak of carboxylic acid group of malic acid turned broader. The peaks involved in the H-bonding as a result of the formation of LTTMs shifted and became broader by the combination of malic acid and carbohydrates. Keywords: hydrogen bond acceptor, hydrogen bond donor, low transition temperature mixtures (LTTMs), Fourier transform infrared spectroscopy, hydrogen bond.

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“…Hence, the content of the total monomeric phenolic compounds reached 55% (peak area% on the GC/MS ion chromatograms) in the catalytic pyrolytic products (Lu et al, 2010a). Some other catalysts were also confirmed to possess the catalytic capability to increase the yield of monomeric phenolic compounds or their content in the catalytic biooils (Adam et al, 2006;Antonakou et al, 2006;Nilsen et al, 2007;Ates & Isikdag, 2009). Furthermore, if single phenolic compounds could be produced and recovered, they should be much more valuable than the mixed phenolic compounds.…”

Section: Phenolic Compoundsmentioning

confidence: 98%