The problem is that there is only one facultative methanotroph known and it would probably not do well in a bioreactor that is open to the atmosphere (and other bugs) and fed with a substrate other than methane. I am looking into the possibility of a bioreactor that is fed methane for a while and then run endogenously for a while treating the ambient levels of methane in the atmosphere. It may work, but I am not optimistic. We don't want to burn too much methane or the co2 released will outweigh the benefits of removing the methane! But if we don't feed the reactor methane there won't be methanotrophic bacteria. A catch 22.
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