PMID- 38512878
OWN - NLM
STAT- MEDLINE
DCOM- 20240325
LR  - 20240325
IS  - 1932-6203 (Electronic)
IS  - 1932-6203 (Linking)
VI  - 19
IP  - 3
DP  - 2024
TI  - Identification and extraction of cementation patterns in sand modified by MICP: 
      New insights at the pore scale.
PG  - e0296437
LID - 10.1371/journal.pone.0296437 [doi]
LID - e0296437
AB  - Microbially induced calcium carbonate precipitation (MICP) is an environmentally 
      friendly technology that improves soil permeability resistance through 
      biocementation. In this study, 2D microscopic analysis and 3D volume 
      reconstruction were performed on river sand after 24 cycles of bio-treatment 
      based on stacked images and computed tomography (CT) scanning data, respectively, 
      to extract biocementation patterns between particles. Based on the mutual 
      validation findings of the two techniques, three patterns in the biocemented sand 
      were identified as G-C-G, G-C, and G-G. Specifically, 2D microscopic analysis 
      showed that G-C-G featured multi-particle encapsulation and bridging, with a pore 
      filling ratio of 81.2%; G-C was characterized by locally coated particle layers, 
      with a pore filling ratio of 19.7%; and the G-G was marked by sporadic filling of 
      interparticle pores, with a pore filling ratio of 11.7%. G-C-G had the best 
      cementation effect and permeability resistance (effective sealing rate of 68.5%), 
      whereas G-C (effective sealing rate of 2.4%) had a relatively minor contribution 
      to pore-filling and flow sealing. 3D volume reconstruction showed that G-C-G had 
      the highest pore filling rate, followed by G-G and G-C. The average filling 
      ratios of area and volume for G-C-G were 83.979% and 77.257%, respectively; for 
      G-G 20.360% and 23.600%; and for G-C 11.545% and 11.250%. The analysis of the 
      representative element volume (REV) was conducted, and the feasibility and 
      reliability of the micro-scale pattern extraction results were confirmed to guide 
      the analysis of macro-scale characteristics. The exploration of the effectiveness 
      of cementation patterns in fluid sealing provides valuable insights into 
      effective biocementation at the pore scale of porous media, which may inspire 
      future research.
CI  - Copyright: (c) 2024 Wang et al. This is an open access article distributed under 
      the terms of the Creative Commons Attribution License, which permits unrestricted 
      use, distribution, and reproduction in any medium, provided the original author 
      and source are credited.
FAU - Wang, Baoquan
AU  - Wang B
AD  - School of Geoscience and Technology, Southwest Petroleum University, Xindu, 
      Chengdu, 610500, Sichuan, China.
FAU - Guo, Liang
AU  - Guo L
AUID- ORCID: 0000-0002-1826-7999
AD  - School of Geoscience and Technology, Southwest Petroleum University, Xindu, 
      Chengdu, 610500, Sichuan, China.
FAU - Luo, Xuanli
AU  - Luo X
AD  - School of Geoscience and Technology, Southwest Petroleum University, Xindu, 
      Chengdu, 610500, Sichuan, China.
FAU - Jiang, Yuhong
AU  - Jiang Y
AD  - School of Geoscience and Technology, Southwest Petroleum University, Xindu, 
      Chengdu, 610500, Sichuan, China.
FAU - Li, Quanwei
AU  - Li Q
AD  - School of Geoscience and Technology, Southwest Petroleum University, Xindu, 
      Chengdu, 610500, Sichuan, China.
FAU - Xie, Jiaheng
AU  - Xie J
AD  - School of Geoscience and Technology, Southwest Petroleum University, Xindu, 
      Chengdu, 610500, Sichuan, China.
LA  - eng
PT  - Journal Article
DEP - 20240321
PL  - United States
TA  - PLoS One
JT  - PloS one
JID - 101285081
RN  - 0 (Sand)
RN  - H0G9379FGK (Calcium Carbonate)
SB  - IM
MH  - *Sand
MH  - *Calcium Carbonate
MH  - Cementation
MH  - Reproducibility of Results
MH  - Tomography, X-Ray Computed
MH  - Chemical Precipitation
PMC - PMC10956867
COIS- The authors have declared that no competing interests exist.
EDAT- 2024/03/21 18:45
MHDA- 2024/03/25 06:43
PMCR- 2024/03/21
CRDT- 2024/03/21 13:43
PHST- 2023/08/16 00:00 [received]
PHST- 2023/12/12 00:00 [accepted]
PHST- 2024/03/25 06:43 [medline]
PHST- 2024/03/21 18:45 [pubmed]
PHST- 2024/03/21 13:43 [entrez]
PHST- 2024/03/21 00:00 [pmc-release]
AID - PONE-D-23-25912 [pii]
AID - 10.1371/journal.pone.0296437 [doi]
PST - epublish
SO  - PLoS One. 2024 Mar 21;19(3):e0296437. doi: 10.1371/journal.pone.0296437. 
      eCollection 2024.