This study aimed to investigate the interactions between wastewater of hydrothermal carbonation (W-HTC) and corn stover (CS) during anaerobic co-digestion. The results showed the maximum cumulative methane production of co-digestion was 280.7 ± 3.2 mL/g VS, and it increased by 5.84% and 10.69% compared with mono-digestion of CS and W-HTC, respectively. Increasing the HTC temperature and excess addition of W-HTC inhibits early and middle stage of co-digestion due to toxic organic inhibitors, and the negative effect of phenols is substantially more than furans. The microbial analysis illustrated the addition of W-HTC can promote the growth of Clostridia and Bacteroidia. The growth of Methanomassiliicoccus and Methanosarcina was more vigorous in most of co-digestions, which was positively correlated with methane production. The study concluded methanogenesis can be enhanced by the co-digestion of W-HTC and CS, which provide optimization of process conditions and some reaction mechanism for application of W-HTC in anaerobic digestion.

这项研究旨在调查厌氧共消化过程中热液碳酸化废水（W-HTC）和玉米秸秆（CS）之间的相互作用。结果表明，共消化的最大甲烷累积产量为280.7±3.2 mL / g VS，与CS和W-HTC的单一消化相比，分别增加了5.84％和10.69％。由于有毒的有机抑制剂，升高HTC温度和过量添加W-HTC会抑制共消化的早期和中期，并且酚的负面影响远大于呋喃。微生物分析表明，加入W-HTC可以促进梭状芽胞杆菌和细菌的生长。甲烷菌和甲烷菌的生长在大多数共同消化中的活性更强，这与甲烷的产生呈正相关。研究得出结论，W-HTC和CS共同消化可增强产甲烷作用，这为W-HTC在厌氧消化中的应用提供了工艺条件的优化和一些反应机理。