微生物在生物煤层气形成中的作用及影响因素研究进展

被引:28
作者
王尚 [1 ]
董海良 [1 ]
侯卫国 [1 ]
蒋宏忱 [2 ]
万云洋 [3 ]
魏晓芳 [4 ]
帅燕华 [4 ]
机构
[1] 中国地质大学(北京)地球科学与资源学院,生物地质与环境地质国家重点实验室
[2] 中国地质大学(武汉)生物地质与环境地质国家重点实验室
[3] 中国石油大学(北京)地球科学学院,油气资源与探测国家重点实验室
[4] 中国石油勘探开发研究院 提高石油采收率国家重点实验室
关键词
生物成因煤层气; 甲烷产生途径; 产气速率;
D O I
10.14050/j.cnki.1672-9250.2013.04.001
中图分类号
P618.11 [煤];
学科分类号
070403 [天体物理学];
摘要
在当今能源紧缺和环境污染严重的前提下,煤层气作为一类非常规天然气,越来越受到人们的重视。传统观点认为煤层甲烷多由高温热解产生,但是根据甲烷的同位素特征来判断,世界很多地方(包括我国鄂尔多斯、淮南等地)的煤层气多属生物成因或者生物和热成因混合。同时,越来越多的生物学证据也表明种类多样的产甲烷相关微生物广泛存在于煤层伴生地层水中或者煤层样品中。这也说明生物成因的煤层气仍然在不断地产生,这也为利用生物方法促进煤层气产生和利用提供了良好的契机。本文将介绍产甲烷微生物种群构成与功能、产气途径、影响产气速率的因素,探讨我国微生物强化产煤层气并实现产业化的应用前景。
引用
收藏
页码:335 / 345
页数:11
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