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@INPROCEEDINGS{Jablonowski:256103,
author = {Jablonowski, Nicolai David and Kollmann, Tobias and Nabel,
Moritz and Klose, H. and Damm, T. and Grande, P. M. and
Müller, Michael and Bläsing, Marc and Krafft, Simone and
Kuperjans, I. and Dahmen, M. and Schurr, Ulrich},
title = {{S}ida: a promising “flex plant” for bioenergy
applications?},
reportid = {FZJ-2015-06123},
year = {2015},
abstract = {The performance and biomass yield of the perennial energy
plant Sida hermaphrodita (hereafter referred to as sida) as
a feedstock for biogas and solid fuel was evaluated
throughout one entire growing period under agricultural
field conditions. The aim was to determine the best time of
the sida harvest; to evaluate the maximum biomass output
depending on the plant development stage; to determine the
energy value in terms of biogas production and solid fuel
energy content; and to obtain a biomass comprising the most
suitable cell wall composition enabling a better utilisation
and upscaling for technical applications. The biomass yield
was monitored weekly from April 2014 until February 2015. To
determine the best energy use of sida biomass, four
utilization scenarios combining solid fuel and biogas
applications were evaluated to identify the best energy
output. These were: 1.) one harvest for solid fuel only; 2.)
one harvest for biogas production only; 3.) one harvest for
biogas production, followed by a subsequent harvest of the
re-grown biomass for solid fuel; 4.) or two consecutive
harvests for biogas production.The results showed highest
total dry biomass yields of max. 25 t/ha when harvested in
July, whereas the highest dry matter of $70-80\%$ was
obtained at the end of the growing period in
December/January. The four energy-use scenarios clearly
indicated the highest energy recovery for scenario 1.)
(solid fuel) of 439 GJ/ha. The options were ranked following
the order: scenario 1.) >> 3.) > 4.) >2.). Analysis of the
sida ash showed a very high melting point of >1500°C,
associated with a net calorific value of 16.5-17.2 MJ/kg
indicating its advantage for combustion without any
post-treatment after harvesting. Cell wall analysis of the
stems showed a steady increase in lignin reaching its
plateau in harvest week 16 (July), whereas cellulose in the
stems reached a plateau already in sampling week 4 (April).
The results highlight Sida as a very promising woody,
perennial biomass plant, providing feedstock biomass for
flexible and multi-purpose energy applications.},
month = {Sep},
date = {2015-09-07},
organization = {Perennial Biomass Crops for a Resource
Constrained World, Hohenheim (Germany),
7 Sep 2015 - 10 Sep 2015},
subtyp = {After Call},
cin = {IBG-2},
cid = {I:(DE-Juel1)IBG-2-20101118},
pnm = {582 - Plant Science (POF3-582)},
pid = {G:(DE-HGF)POF3-582},
typ = {PUB:(DE-HGF)6},
url = {https://juser.fz-juelich.de/record/256103},
}