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Increased content and uniformity of enzyme-induced calcite precipitation realized by prehydrolysis and an accelerated injection rate

文献类型：期刊论文

作者Zhu, Chenhao7,8; Li, Zhiqing1,5,9; Zhang, Zhongjian2; Zhang, Yu3; Zhou, Yingxin4; Wang, Jianhong6
刊名FRONTIERS IN EARTH SCIENCE
出版日期2023-09-21
卷号11页码:10
关键词aeolian sand enzyme-induced calcium carbonate precipitation (EICP) microbially induced calcite precipitation (MICP) calcium carbonate content microstructure
DOI10.3389/feart.2023.1249295
英文摘要The utilization of enzyme-induced calcium carbonate precipitation (EICP) to consolidate aeolian sand has received significant attention in recent years. When EICP was used and cementing solution was injected in stages, the calcium carbonate content and uniformity were not improved simultaneously. A method is proposed to alleviate this problem by pre-reacting urea and urease before injecting the cementing solution and speeding up the injection rate. Experiments were designed to compare staged injections of EICP-cemented aeolian sand with and without the use of prehydrolysis and with different injection rates. The results show that 1) at the same injection rate, the content of calcium carbonate in the prehydrolysis samples after 12 injections was 66.1% higher than that in the samples without prehydrolysis. 2) When using prehydrolysis, the calcium carbonate content as a function of the injection rate decreased in the following order: 10 mL/min >15 mL/min >7.5 mL/min. The highest amount of calcium carbonate was generated at an injection rate of 10 mL/min and was mainly distributed on the surface. The calcium carbonate generated with an injection rate of 15 mL/min was uniformly distributed in the sand. These results indicate that the method could improve the efficiency of calcium carbonate generation and distribution uniformity, and could also be applied to form a hard crust on the surface of sandy soil or for reinforcing sandy soil by multiple injections.
WOS关键词INDUCED CARBONATE PRECIPITATION ; UREOLYTIC BACTERIA ; BIO-CEMENTATION ; SOIL ; TEMPERATURE
资助项目This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan[2019QZKK0904] ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019YFC1509903] ; National Key Research and Development Plan of China[2020AA002] ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps[202103AA080013] ; Key Research and Development Plan of Yunnan Province
WOS研究方向Geology
语种英语
出版者FRONTIERS MEDIA SA
WOS记录号WOS:001077939900001
资助机构This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; This research is financially supported by the Second Tibetan Plateau Scientific Expedition and Research Program (STEP) (Grant No. 2019QZKK0904), the National Key Research and Development Plan of China (Grant No. 2019YFC1509903), the Major Projects of Finan ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; National Key Research and Development Plan of China ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Major Projects of Financial Science and Technology Plan of Xinjiang Production and Construction Corps ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province ; Key Research and Development Plan of Yunnan Province
源URL[http://ir.iggcas.ac.cn/handle/132A11/110805]  
专题地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者Li, Zhiqing; Zhang, Zhongjian
作者单位1.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
2.China Univ Geosci, Sch Engn & Technol, Beijing, Peoples R China
3.Anhui Wantou Real Estate Co Ltd, Hefei, Anhui, Peoples R China
4.Yunnan Commun Investment & Construct Grp Co Ltd, Kunming, Peoples R China
5.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing, Peoples R China
6.Yunnan Huiqiao Expressway Co Ltd, Qujing, Peoples R China
7.Sino Rail Informat Engn Grp Co Ltd, Beijing, Peoples R China
8.Beijing Zhongyan Tiandi Technol Co Ltd, Beijing, Peoples R China
9.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Zhu, Chenhao,Li, Zhiqing,Zhang, Zhongjian,et al. Increased content and uniformity of enzyme-induced calcite precipitation realized by prehydrolysis and an accelerated injection rate[J]. FRONTIERS IN EARTH SCIENCE,2023,11:10.
APA Zhu, Chenhao,Li, Zhiqing,Zhang, Zhongjian,Zhang, Yu,Zhou, Yingxin,&Wang, Jianhong.(2023).Increased content and uniformity of enzyme-induced calcite precipitation realized by prehydrolysis and an accelerated injection rate.FRONTIERS IN EARTH SCIENCE,11,10.
MLA Zhu, Chenhao,et al."Increased content and uniformity of enzyme-induced calcite precipitation realized by prehydrolysis and an accelerated injection rate".FRONTIERS IN EARTH SCIENCE 11(2023):10.

入库方式： OAI收割

来源：地质与地球物理研究所

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