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Gasification of agricultural residues in a demonstrative plant: Vine pruning and rice husks

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Oct 2015 Italy Publisher:Elsevier BVJournal:Bioresource Technology, volume 194, pages 36-42 (issn: 0960-8524,

Authors: BIAGINI, ENRICO; BARONTINI, FEDERICA; TOGNOTTI, LEONARDO;

doi: 10.1016/j.biortech.2015.07.016

pmid: 26183923

handle: 11568/751903

Gasification of agricultural residues in a demonstrative plant: Vine pruning and rice husks

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Abstract

Tests with vine pruning and rice husks were carried out in a demonstrative downdraft gasifier (350 kW), to prove the reactor operability, quantify the plant efficiency, and thus extend the range of potential energy feedstocks. Pressure drops, syngas flow rate and composition were monitored to study the material and energy balances, and performance indexes. Interesting results were obtained for vine pruning (syngas heating value 5.7 MJ/m(3), equivalent ratio 0.26, cold gas efficiency 65%, power efficiency 21%), while poorer values were obtained for rice husks (syngas heating value 2.5-3.8 MJ/m(3), equivalent ratio 0.4, cold gas efficiency 31-42%, power efficiency 10-13%). The work contains also a comparison with previous results (wood pellets, corn cobs, Miscanthus) for defining an operating diagram, based on material density and particle size and shape, and the critical zones (reactor obstruction, bridging, no bed buildup, combustion regime).

Country

Italy

Related Organizations

Università degli studi di Salerno
Italy
University of Pisa
Italy

Keywords

Waste Products, Agriculture, Oryza, Wood, Heating, Biofuels, Pressure, Gases, Bio-energy; Biomass fuels; Cogeneration process; Power production; Thermo-chemical plant, Biotechnology

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	43
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Top 10%
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 10%