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Title		Authors	PubMed ID
1	Analysis of biochar-mortar composite as a humidity control material to improve the building energy and hygrothermal performance.	Park JH, Kim YU, Jeon J, Yun BY, Kang Y, Kim S	33611181 ENCS
2	Role of organic matter and microbial communities in mercury retention and methylation in sediments near run-of-river hydroelectric dams.	Millera Ferriz L, Ponton DE, Storck V, Leclerc M, Bilodeau F, Walsh DA, Amyot M	33609815 BIOLOGY
3	Assessing the impact of COVID-19 pandemic on urban transportation and air quality in Canada.	Tian X, An C, Chen Z, Tian Z	33401062 ENCS
4	PM2.5 and hospital admissions among Medicare enrollees with chronic debilitating brain disorders.	Yitshak-Sade M, Nethery R, Schwartz JD, Mealli F, Dominici F, Di Q, Abu Awad Y, Ifergane G, Zanobetti A	33065503 PSYCHOLOGY
5	Removal of arsenic from water through ceramic filter modified by nano-CeO2: A cost-effective approach for remote areas.	Yang X; Huang G; An C; Chen X; Shen J; Yin J; Song P; Xu Z; Li Y;	33182193 ENCS
6	A comprehensive investigation of industrial plastic pellets on beaches across the Laurentian Great Lakes and the factors governing their distribution.	Corcoran PL, de Haan Ward J, Arturo IA, Belontz SL, Moore T, Hill-Svehla CM, Robertson K, Wood K, Jazvac K	32781316 CONCORDIA
7	The dark cloud with a silver lining: Assessing the impact of the SARS COVID-19 pandemic on the global environment.	Lal P, Kumar A, Kumar S, Kumari S, Saikia P, Dayanandan A, Adhikari D, Khan ML	32408041 BIOLOGY
8	The NSERC Canadian Lake Pulse Network: A national assessment of lake health providing science for water management in a changing climate.	Huot Y, Brown CA, Potvin G, Antoniades D, Baulch HM, Beisner BE, Bélanger S, Brazeau S, Cabana H, Cardille JA, Del Giorgio PA, Gregory-Eaves I, Fortin MJ, Lang AS, Laurion I, Maranger R, Prairie YT, Rusak JA, Segura PA, Siron R, Smol JP, Vinebrooke RD, Walsh DA	31419692 BIOLOGY
9	Treatment of rural domestic wastewater using multi-soil-layering systems: Performance evaluation, factorial analysis and numerical modeling.	Song P, Huang G, An C, Shen J, Zhang P, Chen X, Shen J, Yao Y, Zheng R, Sun C	29990903 ENCS
10	Simulating micro-scale thermal interactions in different building environments for mitigating urban heat islands.	Chatterjee S, Khan A, Dinda A, Mithun S, Khatun R, Akbari H, Kusaka H, Mitra C, Bhatti SS, Doan QV, Wang Y	30731408 ENCS
11	Anthropogenic and natural methane emissions from a shale gas exploration area of Quebec, Canada.	Pinti DL, Gelinas Y, Moritz AM, Larocque M, Sano Y	27267724 CHEMBIOCHEM

Title:	Analysis of biochar-mortar composite as a humidity control material to improve the building energy and hygrothermal performance.
Authors:	Park JH, Kim YU, Jeon J, Yun BY, Kang Y, Kim S
Link:	https://www.ncbi.nlm.nih.gov/pubmed/33611181
DOI:	10.1016/j.scitotenv.2021.145552
Publication:	The Science of the total environment
Keywords:	Biochar; Building material; Energy performance; Humidity control material; Hygrothermal performance;
PMID:	33611181	Category:	Sci Total Environ	Date Added:	2021-02-23
Dept Affiliation:	ENCS 1 Department of Architecture & Architectural Engineering, Yonsei University, Seoul 03722, Republic of Korea; Department of Building, Civil and Environmental Engineering, Concordia University, 1455, de Maisonneuve, Montreal, QC, H3G 1M8, Canada. Electronic address: p_jihun@live.concordia.ca. 2 Department of Architecture & Architectural Engineering, Yonsei University, Seoul 03722, Republic of Korea. Electronic address: yuk92@yonsei.ac.kr. 3 Department of Architecture & Architectural Engineering, Yonsei University, Seoul 03722, Republic of Korea. Electronic address: marumoro@yonsei.ac.kr. 4 Department of Architecture & Architectural Engineering, Yonsei University, Seoul 03722, Republic of Korea. Electronic address: yby@yonsei.ac.kr. 5 Department of Architecture & Architectural Engineering, Yonsei University, Seoul 03722, Republic of Korea. Electronic address: yujin.k@yonsei.ac.kr. 6 Department of Architecture & Architectural Engineering, Yonsei University, Seoul 03722, Republic of Korea. Electronic address: kimsumin@yonsei.ac.kr.

Description:

Analysis of biochar-mortar composite as a humidity control material to improve the building energy and hygrothermal performance.

Sci Total Environ. 2021 Feb 08; 775:145552

Authors: Park JH, Kim YU, Jeon J, Yun BY, Kang Y, Kim S

Abstract

This study suggests a new perspective of biochar as a building material that improve not only for the strength but also hygrothermal properties. Biochar has a high porosity and surface area created by pyrolysis. It can be suitably used as a porous material because porous materials are used by incorporating into building materials for improving hygrothermal performance in the construction sector. To analyze whether biochar can be used as a functional building material to improve the hygrothermal performance, two types of biochar, made from oilseed rape (OSB) and mixed softwood (SWB), were prepared. A biochar-mortar composite was prepared according to the mixing ratio of the biochar from 2 wt% to 8 wt%, and the compressive strength and hygrothermal performance of them were analyzed. The compressive strength is the highest when 4 wt% of biochar into the mortar was mixed regardless of the type of biochar. Thermal conductivity of biochar-mortar composites was decreased as the biochar addition increased, and the value of biochar-mortar composites with 8 wt% OSB decreases by maximum 57.6% compared to the conventional cement mortar. The water vapor resistance factor of biochar-mortar composites increases, and biochar-mortar composites with 8 wt% SWB increases by maximum 50.9% compared to the reference. WUFI simulation shows that the biochar-mortar composites can contribute to a humidity control and no mold growth. The biochar-mortar composites can also contribute to energy savings although the amount of savings is insignificant. As a result, this study proved that when the mortar with biochar addition was possible to improve not only strength but also hygrothermal properties of mortar. This approach will be a new perspective that biochar can apply to the building material in practice.

PMID: 33611181 [PubMed - as supplied by publisher]

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