Page 81 - Materials Chemistry, Second Edition

The Application of Life Cycle Assessment on Agricultural etc. etc. 67

(e.g.,

2007) Coproducts electricity Heat, molasses and feed Animal sweetener DDG corn (if feedstock) electricity, Heat, feed, animal bioplastics, electricity, Heat, feed, animal bioplastics,

(IEA to
chain conversion alcohol Fermentation and distillation alcohol of Fermentation and distillation alcohol of Fermentation and distillation alcohol of Fermentation and distillation alcohol of

production Sugar heat fossil

through Process Primarily from crashed cane (baggase) Typically from fuel and Lignin excess cellulose and Lignin excess cellulose

characteristics baggase- conversion application via process for via process for

several through chemical milling, enzyme sugar to (enzymatic use sugar to (enzymatic use

on conversion soaking via conversion lignin conversion lignin
based extracted crashing, treatment separation, sugars saccharification hydrolysis); saccharification hydrolysis);

boundaries Feedstock Sugars Starch to Cellulose energy Cellulose energy

system taken mostly grasses gathered, to in high

production technique mostly cut, field plants of parts stalks field the harvested, regrowth materials cleaned materials

bioethanol Harvest stalk Cane from Starchy harvested; in left plant Full with cut Waste separated, extract cellulose)

of corn) residue, municipal etc.)
Characterization cane) (e.g., (wheat, crops (crop waste, waste, mill

4 crops crops biomass forestry waste,
Table Feedstock Sugar Grain Cellulosic Waste