Ozone pretreatment and fermentative hydrolysis of wheat strawстатья
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Дата последнего поиска статьи во внешних источниках: 9 ноября 2017 г.
Аннотация:Principles of the ozone pretreatment of wheat straw for subsequent fermentation into sugars are
investigated. The optimum moisture contents of straw in the ozonation process are obtained from
data on the kinetics of ozone absorbed by samples with different contents of water. The dependence of the
yield of reducing sugars in the fermentative reaction on the quantity of absorbed ozone is established. The
maximum conversion of polysaccharides is obtained at ozone doses of around 3 mmol/g of biomass, and it
exceeds the value for nonozonated samples by an order of magnitude. The yield of sugar falls upon increasing
the dose of ozone. The process of removing lignin from the cell walls of straw during ozonation is visualized
by means of scanning electron microscopy.