Change search
ReferencesLink to record
Permanent link

Direct link
Pretreatment of straw fraction of manure for improved biogas production
University of Borås, School of Engineering. (Swedish Centre for Resource Recovery)
University of Borås, Faculty of Textiles, Engineering and Business. (Resource Recovery)ORCID iD: 0000-0003-4887-2433
University of Borås, Faculty of Textiles, Engineering and Business. (Swedish Centre of Resource Recovery)ORCID iD: 0000-002-1456-1840
2011 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 6, no 4, 5193-5205 p.Article in journal (Refereed) Published
Abstract [en]

Pretreatment of straw separated from cattle and horse manure using N-methylmorpholine oxide (NMMO) was investigated. The pretreatment conditions were for 5 h and 15 h at 120 °C, and the effects were evaluated by batch digestion assays. Untreated cattle and horse manure, both mixed with straw, resulted in 0.250 and 0.279 Nm3 CH4/kgVS (volatile solids), respectively. Pretreatment with NMMO improved both the methane yield and the degradation rate of these substrates, and the effects were further amplified with more pretreatment time. Pretreatment for 15 h resulted in an increase of methane yield by 53% and 51% for cattle and horse manure, respectively. The specific rate constant, k0, was increased from 0.041 to 0.072 (d-1) for the cattle and from 0.071 to 0.086 (d-1) for the horse manure. Analysis of the pretreated straw shows that the structural lignin content decreased by approximately 10% for both samples and the carbohydrate content increased by 13% for the straw separated from the cattle and by 9% for that separated from the horse manure. The crystallinity of straw samples analyzed by FTIR show a decrease with increased time of NMMO pretreatment.

Place, publisher, year, edition, pages
2011. Vol. 6, no 4, 5193-5205 p.
Keyword [en]
Biotechnology, Anaerobic digestion, Manure, Straw, Pretreatment, N-Methylmorpholine Oxide
National Category
Industrial Biotechnology Chemical Engineering
Research subject
Resource Recovery
URN: urn:nbn:se:hb:diva-8674OAI: diva2:896492
Available from: 2016-01-21 Created: 2016-01-21 Last updated: 2016-02-15Bibliographically approved

Open Access in DiVA

fulltext(320 kB)22 downloads
File information
File name FULLTEXT01.pdfFile size 320 kBChecksum SHA-512
Type fulltextMimetype application/pdf

Search in DiVA

By author/editor
Aslanzadeh, SolmazTaherzadeh, Mohammad JSárvári Horváth, Ilona
By organisation
School of EngineeringFaculty of Textiles, Engineering and Business
In the same journal
Industrial BiotechnologyChemical Engineering

Search outside of DiVA

GoogleGoogle Scholar
Total: 22 downloads
The number of downloads is the sum of all downloads of full texts. It may include eg previous versions that are now no longer available

Total: 134 hits
ReferencesLink to record
Permanent link

Direct link