南京大学学报(自然科学版) ›› 2017, Vol. 53 ›› Issue (1): 191–.
季 斌*，陈 威，樊 杰，宋宏娇，魏桃员
Ji Bin*，Chen Wei，Fan Jie，Song Hongjiao，Wei Taoyuan
摘要： 产脲酶微生物诱导的碳酸钙沉淀是自然界生物矿化的重要组成部分，这一过程依靠微生物代谢产生的脲酶，高效催化尿素水解产生的碳酸根离子进而与钙离子形成碳酸钙沉淀．从产脲酶MICP矿化机理、微生物分布和工程应用三个方面，探讨了相应的最新进展，并对产脲酶MICP的进一步研究提出了思路和建议．MICP微生物属于氨化细菌的范畴，大都分布在厚壁菌门，然而在变形菌门、放线菌门和真菌界等亦发现了产脲酶菌，芽孢杆菌科的细菌是目前发现的具有前景的一类产脲酶微生物，如Bacillus和Sporosarcina属．产脲酶MICP在微生物建筑材料、土体性能的改善和重金属及放射性金属的治理方面有着广泛的应用前景．
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