The current study was conducted to investigate the effects of mixing ratios on anaerobic co-digestion of blackwater and kitchen organic waste. The biological methane potential (BMP) of co-digested blackwater and kitchen waste were 0.85 ± 0.07 and 0.83 ± 0.06 at volatile solids (VS) ratios of 1:2 and 1:3 whereas the BMP of blackwater alone was 0.34 ± 0.01. The hydrolysis efficiency improved from 57 ± 8% in anaerobic digestion of blackwater alone to 87 ± 8% in the blackwater/kitchen waste co-digestion condition. The methane production yield increased from 449 ± 32 Nml CH₄/gVS for blackwater only to 680 ± 58 and 630 ± 52 Nml CH₄/gVS at blackwater/kitchen waste VS ratios of 1:2 to 1:3. Hydrogenotrophic methanogens dominated the methanogen community under a blackwater/kitchen waste VS ratio of 1:2 condition. The results suggest that blackwater energy recovery can be improved by co-digesting blackwater with kitchen waste.

进行当前的研究以研究混合比例对黑水和厨房有机废物厌氧共消化的影响。混合消化的黑水和厨房废物的生物甲烷潜力（BMP）在挥发性固体（VS）为1：2和1：3的情况下分别为0.85±0.07和0.83±0.06，而仅黑水的BMP为0.34±0.01。水解效率从仅黑水厌氧消化时的57±8％提高到黑水/厨房废物共同消化条件下的87±8％。甲烷产量从黑水的449±32 Nml CH ₄ / gVS增加到仅680±58和630±52 Nml CH ₄/ gVS在黑水/厨房废物的VS比为1：2至1：3的情况下。在黑水/厨房废物VS比为1：2的条件下，氢营养型产甲烷菌占主导地位。结果表明，通过将黑水与厨房垃圾一起消化，可以改善黑水的能量回收。