Core Chinese Journal
Source Journal of CSCD(Core Version)
Source Journal for Chinese Scientific and Technical Papers
Core Journal of RCCSE
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Volume 33 Issue 1
Mar.  2015
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Article Contents
Zhang Xiaoxu, Zhang Hongyu, Li Guoxue, . EFFECT OF ADDITIVE QUANTITY OF STALKS ON H2 S AND NH3 EMISSIONDURING KITCHEN WASTE COMPOSTING[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(1): 95-99. doi: 10.13205/j.hjgc.201501022
Citation: Zhang Xiaoxu, Zhang Hongyu, Li Guoxue, . EFFECT OF ADDITIVE QUANTITY OF STALKS ON H2 S AND NH3 EMISSION DURING KITCHEN WASTE COMPOSTING[J]. ENVIRONMENTAL ENGINEERING , 2015, 33(1): 95-99. doi: 10.13205/j.hjgc.201501022

EFFECT OF ADDITIVE QUANTITY OF STALKS ON H2 S AND NH3 EMISSION DURING KITCHEN WASTE COMPOSTING

doi: 10.13205/j.hjgc.201501022
  • Publish Date: 2015-01-22
  • H2 S and NH3 emissions not only reduced the nutrient content of compost,and caused odor pollution during organic waste composting. The kitchen waste was chosen as the research object,and the corn stalk was taken as the bulking agent. The added proportions ( mass,wet basis) of corn stalk were set as 5% 10% 15% and 20%. The effects of additive quantity of corn stalk on H2 S and NH3 emission in kitchen waste composting were investigated. The results indicated that all compost products met with national sanitation standard and reached maturity according to composting temperature except treatment T4. Poor O2 transfer was the main reason for H2 S production during waste composting. H2 S release occurred mainly within the first two weeks in this study for all treatments. The H2 S emissions decreased with the increase of additive quantity of stalks. The productions of H2 S were reduced by 35. 5% 44. 7% and 64. 2% for T2,T3 and T4 that compared to T1,respectively. The NH3 had a similar trend to that of H2 S. About 62. 2% ~ 72. 2% of the total NH3 released in the high temperature stage for all treatments. The productions of NH3 were reduced by 36. 9% 45. 2% and 76. 3% for T2,T3 and T4 that compared to T1, respectively. Thus adding corn straws can not only promote the kitchen waste compost,decrease H2 S and NH3 emission in the composting process,but also realize the resource utilization of corn straw.
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      沈阳化工大学材料科学与工程学院 沈阳 110142

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