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Comparison of thermophilic microaerobic and alkali pretreatment of sugarcane bagasse for anaerobic digestion

机译：甘蔗渣厌氧消化的高温好氧和碱预处理的比较

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In this study, the effects of thermophilic microaerobic pretreatment (TMP) and alkali pretreatment (AP) on anaerobic digestion (AD) of sugarcane bagasse were investigated. Results showed TMP was efficient at crystallinity disruption and AP was efficient at lignin removal. The maximum methane yield was obtained when the oxygen loads during TMP was 10 ml g(-1) VSsubstrate (TMP2), which was 15.7% and 29.3% higher than those of AP and the sample without pretreatment (WP), respectively. Accordingly, the VS removal efficiency of TMP2 was 5.4% and 17.4% higher than those of AP and WP, respectively. In addition, lag-phase time of TMP2 was 1.55 and 3.82 days shorter than those of AP and WP, respectively. Technical digestion time (T90) of AP was 49 days, which was 10 and 7 days less than those of TMP2 and WP, respectively. In addition to AP, TMP is an alternative and efficient pretreatment method in the AD of sugarcane bagasse.
机译：在这项研究中，研究了高温微需氧预处理（TMP）和碱预处理（AP）对甘蔗渣的厌氧消化（AD）的影响。结果表明，TMP对结晶度破坏有效，AP对木质素去除有效。当TMP期间的氧负荷为10 ml g（-1）VS底物（TMP2）时，可获得最大的甲烷产率，分别比AP和未经预处理的样品（WP）高15.7％和29.3％。因此，TMP2的VS去除效率分别比AP和WP高5.4％和17.4％。此外，TMP2的滞后时间分别比AP和WP的滞后时间短1.55天和3.82天。 AP的技术消化时间（T90）为49天，分别比TMP2和WP的消化时间短10天和7天。除AP外，TMP是甘蔗渣AD中的一种替代且有效的预处理方法。

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