The high-nitrogen content and dense structure of poultry manure compost cause volatilization of N to ammonia (NH₃). This study evaluated the combined application of biochar and biotrickling filtration (BTF) to remove of odor in chicken manure mixed straw compost (w/w, 2.5:1). Adding of 10% biochar reduced NH₃, hydrogen sulfide (H₂S), and total volatile organic compounds (TVOCs) contents by 20.04%, 16.18%, and 17.55% respectively, and decreased the N loss rate by 8.27%, compared with those observed in control. The organic matter content decreased by 28.11% and germination index reached 97.36% in the experimental group. Meanwhile, the N-cycling microorganisms such as Pusillimonas and Pseudomonas became more active, and the relative abundance of sulfur-cycling microorganisms Hydrogenispora decreased in the experimental group. Following BTF application, the NH₃, H₂S, and TVOCs removal rates reached 95%, 97%, and 53%, respectively.

家禽粪便堆肥的高氮含量和致密结构导致 N 挥发为氨 (NH ₃ )。本研究评估了生物炭和生物滴滤 (BTF) 联合应用去除鸡粪混合秸秆堆肥 (w/w, 2.5:1) 中的气味。添加10%的生物炭使NH ₃、硫化氢（H ₂ S）和总挥发性有机化合物（TVOCs）含量分别降低了20.04%、16.18%和17.55%，氮损失率降低了8.27%。那些在控制中观察到的。实验组有机质含量下降28.11%，发芽指数达到97.36%。同时，Pusillimonas和Pseudomonas等 N 循环微生物变得更加活跃，并且实验组中硫循环微生物Hydrogenispora的相对丰度下降。BTF应用后，NH ₃、H ₂ S和TVOCs去除率分别达到95%、97%和53%。