A method for efficiently producing methanol by using methanotrophs
By screening and gradient domestication of Methylmonas, and optimizing methane and oxygen inlet conditions in a membrane bioreactor, combined with a dual inhibition mechanism, the problems of low yield and poor stability of methanol production by methanogenic bacteria were solved, achieving efficient, safe and low-cost methanol production.
CN122405751APending Publication Date: 2026-07-17SHAANXI WEINENG INSPECTION CONSULTING CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- SHAANXI WEINENG INSPECTION CONSULTING CO LTD
- Filing Date
- 2026-06-03
- Publication Date
- 2026-07-17
Smart Images
Figure CN122405751A_ABST
Abstract
本发明属于甲醇生产技术领域，具体涉及一种利用甲烷氧化菌高效生产甲醇的方法。本发明方法包括从污水处理厂厌氧消化污泥中采集污泥并富集筛选得到甲基单胞菌；将甲基单胞菌接种至种子培养基中进行分代梯度驯化得到种子菌液；采用膜生物反应器加入转化培养基并灭菌；将种子菌液接入膜生物反应器，控制反应温度和 pH 值，将甲烷和氧气分别通过不同的透气膜通入，当甲醇浓度达到 800~1000mg / L 时开始连续出料并补料以维持体积稳定；将出料液离心去除菌体沉淀，经分离提纯得到甲醇，残液经过滤后返回膜生物反应器循环使用。本申请可以有效提高甲醇积累量和产率，提升反应稳定性与安全性，降低生产成本。
Need to check novelty before this filing date? Find Prior Art