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Research on biogas production potential of aquatic plants
School of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China.
School of Forestry, Central South University of Forestry and Technology, Changsha 410004, China.
School of Forestry, Central South University of Forestry and Technology, Changsha 410004, China.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Chemical Engineering.
2014 (English)In: Renewable energy, ISSN 0960-1481, E-ISSN 1879-0682, Vol. 69, 97-102 p.Article in journal (Refereed) Published
Abstract [en]

This paper is to explore the biogas production potential of wetland aquatic biomass plants. 7 species of wetland aquatic biomass plants are used in the study, which include 4 plants with more fiber carbohydrate, Acorus calamus Linn, Typha orientalis Presl, Pontederia cordata and Canna indica, and 3 plants with more starch carbohydrate, Colocasia tonoimo Nakai, Thalia dealbata and Hydrocotyle vulgaris. In the experiment, these plants were treated by anaerobic fermentation in batch mode at 37°C. The results show that the anaerobic biogas production potential (ABP, mL·g-1VS) of aquatic biomass plants is different for different components content (%TS). The correlation between ABP and hemicellulose content is significant and negative (R=-0.784, 0.01<p<0.05), and the correlation between ABP and starch carbohydrate content is significant and positive (R=0.767, 0.01<p<0.05). The multiple stepwise regression equation with cross variable can roughly meet the statistical model to reflect the coeffect of hemicellulose, cellulose, starch carbohydrate and lignin on ABP of aquatic biomass plants, y=238.62+2.60x1+28.55x2-2.08x2x3+12.67x3, (Adj-R2=0.962, p(intercept)=0.034, p(x1)=0.101, p(x2)=0.036, p(x2x3)=0.066, p(x3)=0.031, p=0.025, SD=9.95), y represents ABP (mLg-1VS), x1, x2 and x3 represents the cellulose, lignin and starch carbohydrate content (%TS) respectively.

Place, publisher, year, edition, pages
2014. Vol. 69, 97-102 p.
Keyword [en]
Anaerobic fermentation, Aquatic biomass plants, Biogas production potential, Lignocelluloses
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-22053DOI: 10.1016/j.renene.2014.03.025ISI: 000338802400012Scopus ID: 2-s2.0-84897447632OAI: oai:DiVA.org:miun-22053DiVA: diva2:720520
Note

Language of Original Document: English

Available from: 2014-05-30 Created: 2014-05-30 Last updated: 2014-08-07Bibliographically approved

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