NDLI: Algal Biomass as a Binding Agent for the Densification of Miscanthus

Content Provider	Springer Nature Link
Author	Thapa, Sunil Johnson, Daniel B. Liu, Peter P. Canam, Thomas
Copyright Year	2014
Abstract	Lignocellulosic biomass has been regarded as an important future energy source due to its excessive availability; however, the wide application of this material for many applications is restricted by the high costs associated with densification, transportation, thermo-chemical pretreatment and conversion. In order to increase the density of lignocellulosic biomass, it is typically compressed into pellets or briquettes. This frequently requires the addition of additives, which may negatively impact the economics of the process. Environmentally-friendly binding agents that can be obtained inexpensively are therefore desirable. This study examines the change in physicochemical properties of densified Miscanthus straw where algae were used as a binding agent.The algae (Rhizoclonium spp.) was obtained as a waste product from a local algal-based wastewater treatment system, dried and then added as a fine powder to milled Miscanthus. The material was then compressed into discs using a mounting press, which were then assessed for calorific value, compressive strength and sugar content.We found that the algae-Miscanthus discs with blends of up to 30 % algae had similar calorific values compared to Miscanthus alone (17.4 MJ kg$^{−1}$), with significantly reduced calorific values at higher blends. Furthermore, Miscanthus discs mixed with algae had significantly greater compressive strength at blends at or above 20 % algae content compared to pellets made from 100 % Miscanthus (39 N). The strength of the discs was directly proportional to the percentage of algae in the mixture, with a maximum strength of 189 N for blends with 90 % algae. The glucose content of blends below 30 % was not statistically different than 100 % Miscanthus.These data provide support for the use of algae as a binding agent for biomass destined for bioenergy and bioproduct processes, and highlight an additional end use for algal biomass.
Starting Page	91
Ending Page	95
Page Count	5
File Format	PDF
ISSN	18772641
Journal	Waste and Biomass Valorization
Volume Number	6
Issue Number	1
e-ISSN	1877265X
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-10-11
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Algae Densification Lignocellulose Miscanthus Pellets Wastewater Engineering Environment Renewable and Green Energy Industrial Pollution Prevention Waste Management/Waste Technology Environmental Engineering/Biotechnology
Content Type	Text
Resource Type	Article
Subject	Waste Management and Disposal Environmental Engineering Renewable Energy, Sustainability and the Environment

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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