Techno-economics of integrating bioethanol production from spent sulfite liquor for reduction of greenhouse gas emissions from sulfite pulping mills

Table 5 Data for inputs to MCE (US – United States; TDS – total dissolved solids; BFP – Basic Fuel Price; PPI – Producers Purchases Index)

Data for Static Value Inputs
Item		Cost Basis	Value
General Running Costs and Miscellaneous Expenses [52]		US$/litre	0.032
Added Maintenance Costs of Recovery Boiler [28]		US$/litre	0.003
Total Chemical Cost for 20% TDS		US$ (per annum)	2,850,292
Total Chemical Cost for 30% TDS		US$ (per annum)	3,808,123
Delivery Price of Coal to Sappi Saiccor (Personal Communication)		US$/ton	115.8
Data for Stochastic Value Inputs
	Electricity [[57]]	Brazilian Ethanol [[57]]	US Ethanol [[57]]	BFP [[58]]	PPI [[57]]	Interest Rate [[57]]
Year	US$/kWhr	US$/l	US$/l	US$/l		%
2003	0.032	0.252	0.337	0.245	124.8	15.16
2004	0.039	0.254	0.422	0.337	127.7	11.31
2005	0.044	0.375	0.463	0.535	132.4	10.64
2006	0.048	0.508	0.674	0.676	142.6	11.14
2007	0.04	0.467	0.524	0.604	158.2	13.08
2008	0.04	0.52	0.587	0.838	180.8	15.12
2009	0.045	0.45	0.449	0.474	180.7	11.8
2010	0.054	0.612	0.483	0.601	191.6	9.91
2011	0.087	0.867	0.683	0.836	207.6	9
2012	0.106	0.666	0.611	0.865	220.5	8.78

ISSN: 2731-3654