磷石膏建筑材料CO<sub>2</sub>排放评价

doi:10.11896/cldb.24050133

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Abstract The energy consumption and CO₂ footprints of phosphogypsum building materials at different production stages during the P&C process of building structures were investigated. Then a carbon footprint calculation model for phosphorus calcined gypsum powder was proposed. The carbon emission factors for phosphorus calcined gypsum powders produced by different processing methods were determined. A carbon footprint model for phosphogypsum-mixed cement concrete was further developed and the carbon emission factors were calculated for phosphogypsum building materials such as hollowed phosphogypsum blocks and phosphogypsum-mixed cement concrete. The CO₂ emissions of typical structures and alternative designs with cement-based materials partially replaced by green phosphogypsum materials were calculated. The results showed that up to 26% carbon emission reduction could be achieved by replacing the cement based concrete with phosphogypsum materials such as phosphogypsum blocks. It was also shown that the CO₂ emission of phosphorus calcined gypsum powder was strongly affected by the processing method.

Key words： phosphogypsum green building material P&C process energy consumption CO₂ emission

Published: 15 August 2025 Online: 2025-08-15

CLC number:

TU526

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	Articles by authors
	HU Liangcan
	LI Xiaoqin
	LIU Yuhang
	CHEN Jianfei

Cite this article:

HU Liangcan,LI Xiaoqin,LIU Yuhang, et al. CO₂ Emission Evaluation for Phosphogypsum Building Materials[J]. Materials Reports, 2025, 39(16): 24050133-6.

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https://www.mater-rep.com/EN/10.11896/cldb.24050133 OR https://www.mater-rep.com/EN/Y2025/V39/I16/24050133

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