Chemical looping gasification of lignite to syngas using phosphogypsum: Overview and prospects

J Yang, C Han, L Shao, R Nie, S Dong, H Liu… - Journal of Cleaner …, 2024 - Elsevier
Chemical looping gasification (CLG) has achieved cleaner production of coal, avoiding the
production of carbon dioxide. Phosphogypsum (PG) is a by-product of phosphate fertilizer's …

A systematic review of phosphogypsum recycling industry based on the survey data in China–applications, drivers, obstacles, and solutions

Y Cui, J Bai, IS Chang, J Wu - Environmental Impact Assessment Review, 2024 - Elsevier
The development of phosphogypsum (PG) recycling industry plays an important role in
promoting the environmentally friendly transition of the phosphorus chemical industry …

Enhancing the chemical performance of phosphogypsum as a road base material by blending with common aggregates

KD Weiksnar, TG Townsend - Resources, Conservation and Recycling, 2024 - Elsevier
Interest in reuse of phosphogypsum (PG) road base materials has resurged as alterative
disposal to stacking, but is limited due to regulatory constraints surrounding chemical …

Industrial solid waste as oxygen carrier in chemical looping gasification technology: A review

L Peng, S Dong, J Yang, J Gou, L Shao, L Ma… - Journal of the Energy …, 2024 - Elsevier
Chemical looping gasification is an innovative gasification method in which oxygen carrier
plays a crucial role. In line with the principles of the" green circular economy," researchers …

Review on high-value utilization of phosphogypsum: Utilization of calcium and oxygen resources present in phosphogypusm

J Yang, S Dong, L Ma, Q Dai, D Zheng, B Huang… - Separation and …, 2024 - Elsevier
The world's annual production of phosphogypsum (PG) is up to 200 million tons at present. It
was found that 15% of PG produced worldwide is recycled. Therefore, it is imperative to seek …

Sequence closed-loop recovery of fluoride, phosphate, and sulfate anions from phosphogypsum leachate via precipitation-electrodialysis-crystallization approaches

XY Lou, J Wang, J Liang, S Liu, R Wang, L Deng… - Separation and …, 2024 - Elsevier
Phosphogypsum (PG) is a large-scale industrial by-product generated during the production
of phosphoric acid, typically being deposited in landfills worldwide. The leaching of fluoride …

Blending as a strategy for using phosphogypsum in granular road base: physical performance and implications

DZ Vallecillo, KD Weiksnar, SJ Laux… - Resources, Conservation …, 2024 - Elsevier
The use of phosphogypsum (PG) as a construction material continues to gain considerable
attention worldwide. In the United States (US), the specific use of PG as a road base material …

Research advances in phosphogypsum flotation purification: Current status and prospects

W Jia, J Li, C Shen, G Li, H Li, G Fan, G Zhou… - Separation and …, 2024 - Elsevier
Phosphogypsum (PG) is industrial waste during wet-process phosphoric acid, with
increasing emissions by tens of millions of tons annually. Presently, the disposal mode of PG …

Recovery and reuse of phosphogypsum: Effect of ternary cementitious materials on the performance of phosphogypsum pavement base layers

Q Sun, W Xu, Q Huang, R Ma, J Zhang, H Ji… - … and Building Materials, 2024 - Elsevier
In this paper, the performance of a new type of phosphogypsum (PG) pavement material is
studied under the joint action of ternary cementitious materials (cement, mineral powder …

The treatment of phosphogypsum leachate is more urgent than phosphogypsum

F Wu - Environmental Research, 2024 - Elsevier
Phosphogypsum (PG) is one of the typical bulk industrial solid wastes generated in the
phosphate chemical industry. Due to its huge production volume and immature resource …