Bio-materials may be substituted for petrochemical feedstocks as petroleum prices rise.
The filtered extract of the mash is the feedstock for the fermenter.
biomass feedstock used in the 1800's is basically the same one used today.
The total cost to the consumer is estimated at $ 8.4 billion a year because producing the required corn feedstock increases corn prices.
feedstock used in the 1800's is basically the same one used today.
By recycling materials to provide the feedstock for other products the amount of material going to incineration or landfill can be reduced.
feedstock for ethanol production in the United States.