Properties and Decomposition of Lignins Isolated by Means of an Alcoholic-Water-Mixture. Part 3: Decomposition by Pyrolysis in a Fluid-Bed

Kaminsky, Werner; Schweers, W.; Schwesinger, H.

doi:10.1515/hfsg.1980.34.3.73

Cited by 17 publications

(14 citation statements)

References 4 publications

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“…For Alcell the predominant phenol is 4-methylsyringol (1.2 wt%). This was also found from the pyrolysis of the beech wood lignin [13].…”

Section: Product Yieldssupporting

confidence: 63%

“…Earlier work on the pyrolysis of beech wood-derived organosolv lignin already reported the difficulties of feeding the lignin to a fluidised bed reactor [13].…”

Section: Secondary Biorefinery (Lignin Pyrolysis)mentioning

confidence: 99%

“…• C. beech wood derived organosolv lignin [13]. Pyrolysis at 500 • C yielded ∼21.5 wt% of phenolic material that contained ∼11.6 wt% of monomeric phenols.…”

Section: Product Yieldsmentioning

confidence: 99%

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Pyrolysis of wheat straw-derived organosolv lignin

Wild

Huijgen

Heeres

2012

Journal of Analytical and Applied Pyrolysis

172

108

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a b s t r a c tThe cost-effectiveness of a lignocellulose biorefinery may be improved by developing applications for lignin with a higher value than application as fuel. We have developed a pyrolysis based lignin biorefinery approach, called LIBRA, to transform lignin into phenolic bio-oil and biochar using bubbling fluidized bed reactor technology. The bio-oil is a potential source for value-added products that can replace petrochemical phenol in wood-adhesives, resins and polymer applications. The biochar can e.g. be used as a fuel, as soil-improver as solid bitumen additive and as a precursor for activated carbon.In this paper we applied the pyrolysis-based LIBRA concept for the valorisation of wheat straw-derived organosolv lignin. First, we produced lignin with a high purity from two wheat straw varieties, using an organosolv fractionation approach. Subsequently, we converted these lignins into bio-oil and biochar by pyrolysis. For comparison purposes, we also tested two reference lignins, one from soda-pulping of a mixture of wheat straw and Sarkanda grass (Granit) and one from Alcell organosolv fractionation of hardwoods. Results indicate that ∼80 wt% of the dry lignin can be converted into bio-oil (with a yield of 40-60%) and biochar (30-40%). The bio-oil contains 25-40 wt% (based on the dry lignin weight) of a phenolic fraction constituting of monomeric (7-11%) and oligomeric (14-24%) components. The monomeric phenols consist of guaiacols, syringols, alkyl phenols, and catechols. 4-vinylguaiacol is the major phenolic monomer that is formed during the pyrolysis of the straw lignins in yields from 0.5-1 wt%. For the hardwood-lignin Alcell, the predominant phenol is 4-methylsyringol (1.2 wt%). The ratio guaiacols/syringols seems to be an indicative marker for the source of the lignin.

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“…For Alcell the predominant phenol is 4-methylsyringol (1.2 wt%). This was also found from the pyrolysis of the beech wood lignin [13].…”

Section: Product Yieldssupporting

confidence: 63%

“…Earlier work on the pyrolysis of beech wood-derived organosolv lignin already reported the difficulties of feeding the lignin to a fluidised bed reactor [13].…”

Section: Secondary Biorefinery (Lignin Pyrolysis)mentioning

confidence: 99%

See 1 more Smart Citation

Pyrolysis of wheat straw-derived organosolv lignin

Wild

Huijgen

Heeres

2012

Journal of Analytical and Applied Pyrolysis

172

108

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“…However as regards fast pyrolysis of lignin, a minimal temperature of 400-450°C is necessary to proceed to the macromolecules decomposition; moreover lignin thermoplastic behavior causes some trouble for the feeding and specific procedures are necessary [28]. The yields to pyrolytic liquids are generally around 40-60 wt% while gases represent 8-20 wt%.…”

Section: Conversion Of Lignin By Pyrolysis or Catalytic Crackingmentioning

confidence: 99%

Thermochemical Conversion of Lignin for Fuels and Chemicals: A Review

Joffres

Laurenti

Charon

et al. 2013

Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles

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Re´sume´-Conversion thermochimique de la lignine en carburants et produits chimiques : une revue -La lignine est une des composantes de la biomasse lignocellulosique potentiellement valorisable comme ressource renouvelable pour la production de carburants ou de produits chimiques. Apre`s se´paration de la matrice lignocellulosique, cette macromole´cule est de nos jours essentiellement utilise´e comme combustible dans l'industrie papetie`re. Outre cette filie`re papetie`re, la production d'e´thanol de seconde ge´ne´ration a`partir de la cellulose aura comme conse´quence la mise a`disponibilite´d'encore plus grandes quantite´s de lignine. De nouvelles applications pourront donc eˆtre propose´es pour l'utilisation de cette bio-ressource. Les diffe´rentes voies thermochimiques : pyrolyse, solvolyse, conversion hydrothermale et hydroconversion envisage´es pour la valorisation de la lignine sont de´crites dans cet article.Abstract -Thermochemical Conversion of Lignin for Fuels and Chemicals: A Review -Lignin is one of the biomass components potentially usable as renewable resource to produce fuels or chemicals. After separation from the lignocellulosic matrix, this macromolecule is nowadays essentially valorized by combustion in paper mills. If second generation ethanol is produced in the future from lignocellulosic biomass, some increasing reserves of lignin will be available in addition to the ones coming from the paper industry. The main thermochemical ways such as pyrolysis, solvolysis, hydrothermal conversion and hydroconversion considered for the valorization of the lignin are reviewed in this article.

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“…The Hamburg process was also used for oil and gas recovery from oil shale, oil sand, and biomass such as wood (flash pyrolysis), lignin, bark, oil seed, and fat [6][7][8].…”

mentioning

confidence: 99%

The Hamburg Fluidized‐bed Pyrolysis Process to Recycle Polymer Wastes and Tires

Kaminsky

2006

Feedstock Recycling and Pyrolysis of Waste Plastics

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Properties and Decomposition of Lignins Isolated by Means of an Alcoholic-Water-Mixture. Part 3: Decomposition by Pyrolysis in a Fluid-Bed

Cited by 17 publications

References 4 publications

Pyrolysis of wheat straw-derived organosolv lignin

Pyrolysis of wheat straw-derived organosolv lignin

Thermochemical Conversion of Lignin for Fuels and Chemicals: A Review

The Hamburg Fluidized‐bed Pyrolysis Process to Recycle Polymer Wastes and Tires

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