采用强制通风静态好氧堆肥工艺,对餐厨垃圾和污泥进行联合堆肥化处理,探究二者不同配比对堆肥氮素转化及氮素损失的影响.以w(C)/w(N)=15~40的5组餐厨垃圾和污泥作为堆肥基质,以木屑作为调理剂进行堆肥试验.结果表明:所有堆体温度均先升高后降低,最高温度为78℃,w(C)/w(N)越高,堆体的最高温度越低,且达到最高温度的时间越长,pH先降低后升高至8.5趋于平缓,总有机碳质量分数不断降低.各堆体全氮和有机氮质量分数先升高后显著降低,铵态氮质量分数先增加后略有减少,硝态氮质量分数很低且变化不大.二者联合堆肥中氮损失27.8%~48.4%,且与投加的污泥含量呈正相关关系,氨挥发占氮损失的52.6%~80.4%,氨挥发是氮损失的主要途径,且随着堆体w(C)/w(N)的增加呈减少趋势. Using compulsory ventilation static aerobic composting process, combined composting treatment of food waste and sludge was carried out to investigate the effect of different ratio of two on compost nitrogen transformation and nitrogen loss.With C (w) / w (N) = 15 ~ 40, the compost test was carried out using wood meal as the conditioning agent.The results showed that the temperature of all the piles increased firstly and then decreased, the maximum temperature was 78 ℃, w (C) / w (N), the lower the maximum temperature of the pile and the longer the temperature reached, the pH decreased first and then rose to 8.5, and the total organic carbon decreased continuously. And the content of organic nitrogen increased firstly and then decreased significantly, while the mass fraction of ammonium nitrogen increased first and then decreased slightly, while the content of nitrate nitrogen was very low and little changed.The nitrogen loss in the combined compost was 27.8% -48.4% Ammonia volatilization accounted for 52.6% ~ 80.4% of the total nitrogen loss, ammonia volatilization was the main way of nitrogen loss, and decreased with the increase of w (C) / w (N) trend.