Journal Article10.1016/j.conbuildmat.2021.126204
New dawn of solid waste resource treatment: Preparation of high-performance building materials from waste-gypsum by mechanical technology
Fen Wu,Xinxin Liu,Chenpeng Wang,Guangfei Qu,Liangliang Liu,Bangjin Chen,Chenyang Zhao,Shan Liu,Junyan Li +8 more
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TL;DR: In this paper , a new eco-friendly, high-strength, water-resistant building material was produced by using the simplest mechanical method of pressing 100% phosphogypsum.
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About: This article is published in Construction and Building Materials. The article was published on 01 Feb 2022. The article focuses on the topics: Phosphogypsum & Gypsum.
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Citations
Resource utilization and development of phosphogypsum-based materials in civil engineering
TL;DR: In this paper , the chemical compositions of different PG and pretreatment methods were compared and analyzed firstly, and then, the utilization of PG including cement retarder, building materials, cement raw materials, concrete raw material, cementitious materials, and fillers and modifiers were summarized.
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Impact of microporous γ-Al2O3 on the thermal stability of pre-cast cementitious composite containing glass waste
TL;DR: In this article , the impact of different curing regimes on the mechanical resistance of OPC-SGW pastes was investigated: normal curing under tap water as well as hydrothermal treatment at different pressures (3, 6, 9 and 12 bars).
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Comprehensive performance study of aluminum ash and calcium carbide slag for brick making under ultra-high pressure
Yuanchuan Ren,Zuoliang Wang,Guangfei Qu,Lin Kuang,Ping Ning,Nanqi Ren,Chaoneng Zhang,Xiu Xiang Chen,Fenghui Wu,Yan Hu,Jun Wang,Ping Lu,Jia Tong +12 more
TL;DR: In this article , the authors used the ultra-high pressure contact molding technology for the first time to prepare high-performance building materials with aluminum ash and calcium carbide slag as raw materials.
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Investigating effects of phosphogypsum disposal practices on the environmental performance of phosphate fertilizer production using emergy analysis and carbon emission amounting: A case study from China
Zeying Wang,Xiaohan Ma,Hengyu Pan,Xiangdong Wang,Xiaohong Zhang,Yan Jie Lyu,Wenjie Liao,Wei-Hou Shui,Jun Wu,Min Xu,Yanzong Zhang,Shirong Zhang,Yin Xiao,Hongbing Luo +13 more
TL;DR: Wang et al. as mentioned in this paper proposed a comprehensive approach based on emergy analysis and carbon emission accounting to compare the impacts of different phosphogypsum disposal schemes on phosphate fertilizer production in terms of environmental sustainability, pollutant emission impacts, carbon emission intensity and their synergistic effects.
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Simultaneous immobilizations of soluble phosphorus and fluorine in phosphogypsum by milling with calcareous and aluminiferous samples: Reaction products and immobilization performances
Weixin Peng,Huimin Hu,Qiwu Zhang,Yanfei Wang,Han Liu,Xibing Zhang,Xiaofei Du,Chao Wang +7 more
TL;DR: This study proposes a one-step mechanical ball milling method to simultaneously immobilize soluble phosphorus and fluorine in phosphogypsum using calcareous and aluminiferous reagents, achieving near-zero leachability and potential large-scale waste disposal and utilization.
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References
The role and implications of bassanite as a stable precursor phase to gypsum precipitation.
A. E. S. Van Driessche,Liane G. Benning,Juan Diego Rodriguez-Blanco,M. Ossorio,M. Ossorio,Pieter Bots,Juan Manuel García-Ruiz +6 more
TL;DR: Time-resolved sample quenching and high-resolution microscopy demonstrate that gypsum forms via a three-stage process, indicating that a stable nanocrystalline precursor phase can form below its bulk solubility and that in the CaSO4 system, the self-assembled nanoparticles plays a crucial role.
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Toxic and heavy metals contamination assessment in soil and water to evaluate human health risk.
TL;DR: In this article, a study aimed to determine the composition of toxic metals (Cr, Mn, Cu, As) and heavy metals (Cd, Ba, Hg, Pb) in soil and water by an inductively coupled plasma optical emission spectrometer (ICP-OES).
Radiochemical characterization of Brazilian phosphogypsum
TL;DR: In this article, the activity concentrations of the radionuclides in the natural series, including 226 Ra, 210 Pb, 210 Po and the uranium and thorium isotopes, in Brazilian phosphogypsum and the ore rocks from which it is derived, were determined.
176
A review on the environmental impact of phosphogypsum and potential health impacts through the release of nanoparticles.
Luis F.O. Silva,Maroulla Schixa,Marcos L.S. Oliveira,Tito J. Crissien,M. Santosh,Juan Pedro Bolívar,Longyi Shao,Guilherme Luiz Dotto,Juciano Gasparotto,Michael Schindler +9 more
TL;DR: It is shown that NPs are important residues in both raw and waste materials originating from the uses of phosphate rock, and how incidental NPs of PG impact the global environment, especially with respect to the distribution of rare earth elements, toxic elements such as As, Se, and Pb, and natural radionuclides.
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Effect of calcium sulphoaluminate cement on mechanical strength and waterproof properties of beta-hemihydrate phosphogypsum
TL;DR: In this article, a calcium sulphoaluminate cement (SAC) was used to improve the properties of β-HPG, and the results showed that SAC can improve the mechanical strength and waterproof properties significantly.
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