method of pretreatment for raw material for wheat straw, biotechnology processes, to increase the availability of organic carbon contained therein for the micro-organisms involved in biotechnological processes is that the straw lu017ca to distilled water or tap water during 5 - 10 minutes,and then subjected to an oxygen containing ozone during 15 - 60 minutes, at a temperature of 15 to 25 degrees celsius.
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