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The effects of compost inoculation on the degradation of cellulosic fraction in composting of food waste and paper mixture were investigated by bench-scale composting. With the increase of seed inoculation, the time to reach the peaks of temperature, $CO_2$ evolution rate, and ammonia evo...

The effects of compost inoculation on the degradation of cellulosic fraction in composting of food waste and paper mixture were investigated by bench-scale composting. With the increase of seed inoculation, the time to reach the peaks of temperature, $CO_2$ evolution rate, and ammonia evolution rate was reduced, indicating that seed compost had beneficial effects on the enhanced degradation of organic materials at the early stage of composting. However, the final conversion of organic matters and the loss of ammonia were not affected by the amount of seed compost inoculated. The increasing of seed inoculum also resulted in the higher level of cellulase activity at initial stages and rapid rise to the maximums, suggesting that initial supply of sufficient cellulolytic microorganisms might facilitate the evolution of cellulase activity. The cellulose was degraded substantially during the increasing phase of cellulase activity, while they showed similar values at the end of 20 days composting. As a result, the seed inoculation seemed to be effective to the enhanced evolution of cellulase activity and cellulose degradation at initial stage of composting. But it did not contribute to increase the final degradation of cellulose after the entire composting reaction of 20 days.

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