Biodegradation of lignin in a compost environment: A review

M. Tuomela, Minna Vikman, Annele Hatakka (Corresponding Author), Merja Itävaara

Research output: Contribution to journalArticleScientificpeer-review

658 Citations (Scopus)

Abstract

Composting is nowadays a general treatment method for municipal solid waste. Compostable household waste contains, together with vegetable material, varying amounts of papers and boards. In the European Union composting is regarded as one recycling method for packages and this will probably favour compostable packages, like papers and boards, in the future. Paper is made up of lignocellulose and it may contain up to 20% of lignin. Efficient degradation of papers in composting plants means that biodegradation of lignin is also needed. However, very little is known about lignin degradation by mixed microbial compost populations, although lignin degradation by white-rot fungi has been extensively studied in recent years. Organic material is converted to carbon dioxide, humus, and heat by compost microorganisms. It is assumed that humus is formed mainly from lignin. Thus, lignin is not totally mineralized during composting. The elevated temperatures found during the thermophilic phase are essential for rapid degradation of lignocellulose. Complex organic compounds like lignin are mainly degraded by thermophilic microfungi and actinomycetes. The optimum temperature for thermophilic fungi is 40–50°C which is also the optimum temperature for lignin degradation in compost.
Original languageEnglish
Pages (from-to)169 - 183
Number of pages15
JournalBioresource Technology
Volume72
Issue number2
DOIs
Publication statusPublished - 2000
MoE publication typeA1 Journal article-refereed

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Lignin
Biodegradation
compost
lignin
biodegradation
Composting
composting
Degradation
degradation
Fungi
humus
fungus
domestic waste
Municipal solid waste
temperature
Vegetables
Organic compounds
Carbon Dioxide
municipal solid waste
Microorganisms

Cite this

Tuomela, M. ; Vikman, Minna ; Hatakka, Annele ; Itävaara, Merja. / Biodegradation of lignin in a compost environment : A review. In: Bioresource Technology. 2000 ; Vol. 72, No. 2. pp. 169 - 183.
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title = "Biodegradation of lignin in a compost environment: A review",
abstract = "Composting is nowadays a general treatment method for municipal solid waste. Compostable household waste contains, together with vegetable material, varying amounts of papers and boards. In the European Union composting is regarded as one recycling method for packages and this will probably favour compostable packages, like papers and boards, in the future. Paper is made up of lignocellulose and it may contain up to 20{\%} of lignin. Efficient degradation of papers in composting plants means that biodegradation of lignin is also needed. However, very little is known about lignin degradation by mixed microbial compost populations, although lignin degradation by white-rot fungi has been extensively studied in recent years. Organic material is converted to carbon dioxide, humus, and heat by compost microorganisms. It is assumed that humus is formed mainly from lignin. Thus, lignin is not totally mineralized during composting. The elevated temperatures found during the thermophilic phase are essential for rapid degradation of lignocellulose. Complex organic compounds like lignin are mainly degraded by thermophilic microfungi and actinomycetes. The optimum temperature for thermophilic fungi is 40–50°C which is also the optimum temperature for lignin degradation in compost.",
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Biodegradation of lignin in a compost environment : A review. / Tuomela, M.; Vikman, Minna; Hatakka, Annele (Corresponding Author); Itävaara, Merja.

In: Bioresource Technology, Vol. 72, No. 2, 2000, p. 169 - 183.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - Biodegradation of lignin in a compost environment

T2 - A review

AU - Tuomela, M.

AU - Vikman, Minna

AU - Hatakka, Annele

AU - Itävaara, Merja

PY - 2000

Y1 - 2000

N2 - Composting is nowadays a general treatment method for municipal solid waste. Compostable household waste contains, together with vegetable material, varying amounts of papers and boards. In the European Union composting is regarded as one recycling method for packages and this will probably favour compostable packages, like papers and boards, in the future. Paper is made up of lignocellulose and it may contain up to 20% of lignin. Efficient degradation of papers in composting plants means that biodegradation of lignin is also needed. However, very little is known about lignin degradation by mixed microbial compost populations, although lignin degradation by white-rot fungi has been extensively studied in recent years. Organic material is converted to carbon dioxide, humus, and heat by compost microorganisms. It is assumed that humus is formed mainly from lignin. Thus, lignin is not totally mineralized during composting. The elevated temperatures found during the thermophilic phase are essential for rapid degradation of lignocellulose. Complex organic compounds like lignin are mainly degraded by thermophilic microfungi and actinomycetes. The optimum temperature for thermophilic fungi is 40–50°C which is also the optimum temperature for lignin degradation in compost.

AB - Composting is nowadays a general treatment method for municipal solid waste. Compostable household waste contains, together with vegetable material, varying amounts of papers and boards. In the European Union composting is regarded as one recycling method for packages and this will probably favour compostable packages, like papers and boards, in the future. Paper is made up of lignocellulose and it may contain up to 20% of lignin. Efficient degradation of papers in composting plants means that biodegradation of lignin is also needed. However, very little is known about lignin degradation by mixed microbial compost populations, although lignin degradation by white-rot fungi has been extensively studied in recent years. Organic material is converted to carbon dioxide, humus, and heat by compost microorganisms. It is assumed that humus is formed mainly from lignin. Thus, lignin is not totally mineralized during composting. The elevated temperatures found during the thermophilic phase are essential for rapid degradation of lignocellulose. Complex organic compounds like lignin are mainly degraded by thermophilic microfungi and actinomycetes. The optimum temperature for thermophilic fungi is 40–50°C which is also the optimum temperature for lignin degradation in compost.

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DO - 10.1016/S0960-8524(99)00104-2

M3 - Article

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SP - 169

EP - 183

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

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