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首页> 外文期刊>Journal of Environmental Science and Health >Design and shelf stability assessment of bacterial agents for simultaneous removal of methane and odors
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Design and shelf stability assessment of bacterial agents for simultaneous removal of methane and odors

机译：同时去除甲烷和异味的细菌制剂的设计和货架稳定性评估

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摘要

Two types of solid bacterial agents for the simultaneous removal of methane and odor were designed using humic soil (De-MO-1) and the mixture of humic soil and tobermolite (De-MO-2) as biocarriers. The bacterial consortium, having the removability of methane and dimethyl sulfide (DMS), was immobilized in the biocarriers, and then stored at room temperature for 375days without additional treatment. Although the lag period, of which the incubation time required for removing methane and DMS, tended to increase over the storage period, the removability of methane and DMS was maintained during 375days in both bacterial agents. Key bacteria associated with the removal of methane and odors (Streptomyces, Promicromonospora, Paracoccus, Lysobacter, Sphingopyxis and Methylosystis) could keep their abundance during the storage period. The richness and evenness values of the bacterial communities in De-MO-1 and De-MO-2 ranged 4.89 similar to 6.50 and 0.89 similar to 0.98, respectively, indicating that high bacterial diversity was maintained during the storage period. The results suggest that De-MO-1 and De-MO-2, designed for the simultaneous removal of methane and odors, had shelf stabilities over one year.
机译：设计了两种类型的用于同时去除甲烷和异味的固体细菌剂，其中使用腐殖土（De-MO-1）以及腐殖土和闪锌矿的混合物（De-MO-2）作为生物载体。将具有甲烷和二甲基硫醚（DMS）可去除性的细菌聚生体固定在生物载体中，然后在室温下保存375天，而无需进行其他处理。尽管滞后期（去除甲烷和DMS所需的孵育时间）在整个存储期间都有所增加，但两种细菌制剂在375天之内都保持了甲烷和DMS的去除性。与甲烷和异味去除相关的关键细菌（链霉菌，原微单孢菌，副球菌，溶菌杆菌，鞘氨醇单胞菌和甲基系统）可以在储存期间保持其丰度。 De-MO-1和De-MO-2中细菌群落的丰富度和均匀度值分别为4.89（类似于6.50）和0.89（类似于0.98），这表明在存储期间保持了较高的细菌多样性。结果表明，旨在同时去除甲烷和异味的De-MO-1和De-MO-2具有超过一年的保存稳定性。

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