| 摘要 |
<p>PURPOSE:To stably fix anaerobic bacteria while maintaining activity by removing the dissolved oxygen in a gel base material or lowering an oxidation reduction potential. CONSTITUTION:Reducing agents, such as sodium thioglycolate, potassium thioglycolate, cysteine-hydrochloate, sodium sulfide, potassium sulfide, ascorbic acid, sodium sulfite, and sodium hydrogensilfite are charged into the gel base material to stably fix the anaerobic bacteria while holding the same or the reducing agents are charged into a solidifying liquid or washing liquid when the solidifying liquid is required for gelatinization or when washing is required. The dissolved oxygen is decreased to <=0.1ppm or the oxidation reduction potential is lowered to <=0mV by charging of the reducing agents in such a manner. Further, the atmosphere is substd. with nitrogen, helium, argon, carbon dioxide, etc., under the perfect anaerobic condition. The utilization to a methane fermentation treatment, etc., is possible and the industrial value is extremely high.</p> |
