摘要
从嗜酸性氧化亚铁硫杆菌的固定化方法、固定化材料和固定化后效用三个方面概述了该菌固定化技术的发展和固定化菌种的应用情况。综述了该菌固定化方法的原理及其优缺点,吸附法和包埋法使用更为广泛,循环培养固定法作为最新被提出的方法在固定化时间和菌种氧化速率两方面均有所提升。介绍了固定化材料的种类和特点,天然高分子材料和人工合成高分子材料固定机械强度更好,复合材料固定能使各类型材料的优缺点互补。总结了固定化后该菌的应用领域和效能情况,多应用于生物浸矿、电子废弃物处理、H 2S的处理利用和污水处理等方面。未来嗜酸性氧化亚铁硫杆菌固定化技术发展方向在于优化固定化方法,探索多元化固定化材料,提升该固定化菌种实际工业应用价值并扩大其可应用领域。
The development of immobilization technology and the application of immobilized strains are summarized from three aspects:immobilization method,immobilized material and post-immobilization utility of sulfur bacillus acidophilus.The principle of the immobilization method and its advantages and disadvantages of the bacterium were reviewed,the adsorption method and embedding method were more widely used,and the cyclic culture fixation method,as the latest proposed method,improved both the immobilization time and the oxidation rate of the strain.The types and characteristics of immobilized materials are introduced,natural polymer materials and synthetic polymer materials have better fixed mechanical strength,and composite material fixation can complement the advantages and disadvantages of various types of materials.The application field and efficiency of the fungus after immobilization are summarized,and it is mostly used in biological leaching,electronic waste treatment,H 2S treatment and utilization and sewage treatment.In the future,the development direction of immobilization technology of sulfur bacterium ferrosinophilus oxide lies in optimizing the immobilization method,exploring diversified immobilized materials,enhancing the practical industrial application value of the immobilized strain and expanding its application field.
作者
孙乔
史文革
李乾
李文杰
SUN Qiao;SHI Wen-ge;LI Qian;LI Wen-jie(School of Resources Environment and Safety Engineering,University of South China,Henyang 421001,China)
出处
《应用化工》
CAS
CSCD
北大核心
2023年第5期1473-1477,共5页
Applied Chemical Industry
基金
国家自然科学基金青年科学项目(51804165)。
关键词
嗜酸性氧化亚铁硫杆菌
微生物浸矿
固定化
载体材料
Acidithiobacillus ferrooxidans
microbial leaching
immobilization
carrier material
