Multi-objective optimization of anhydrous phosphogypsum …
The carbon emission factor of phosphogypsum was 0.13—0.15, which can be used to replace cement to reduce emissions by 0.5—0.6 (Wang et al. 2022a, b; Fořt et al. 2018). Therefore, using of phosphogypsum as a building material is an international trend in energy saving and emission reduction.
A review on the environmental impact of phosphogypsum and …
In China, PG is mainly used in cements, building materials, and sulfuric acid production (Fig. 8) ... its detection efficiency only depends on parameters such as composition and bulk density. Disadvantages with respect to alpha spectrometry are (a) the requirement of larger sample masses, (b) higher backgrounds and noises in gamma spectra, and ...
Advantages and disadvantages of using phosphogypsum as building material radiological aspects
Phosphogypsum can replace some of the natural components of building materials. However, it contains a higher radioactivity concentration than the natural products (Table 1) and its use in …
Phosphogypsum Stacks: Formation, Risks, and Remediation
Phosphogypsum stacks, byproducts of phosphate fertilizer production, have garnered attention due to their environmental and health implications. These mounds are …
Advantages and disadvantages of using …
1st Spanish National Conference on Advances in Materials Recycling and Eco – Energy Madrid, 12-13 November 2009 S03-4 83 ADVANTAGES AND DISADVANTAGES OF USING PHOSPHOGYPSUM AS BUILDING MATERIAL. RADIOLOGICAL ASPECTS C. Gascó1, A.Alvarez1, N.Navarro1, L. Yagüe1, H.Tayibi2, F.A.López2, A. López-Delgado2 and F.J. …
Hydration analysis of phosphogypsum cementitious materials…
Phosphogypsum is restricted as a building material because of its poor water resistance. In this study, phosphorus building gypsum, cement, and lime were used as the main materials, and water reducer and retarder were used as additives to prepare phosphorus gypsum cementitious materials under low water–cement ratio. Concurrently, the mechanical properties …
A comparative assessment of the suitability of phosphogypsum …
Utilisation of PG in building materials. One of the main possibilities for the utilisation of PG is found in the field of building materials. PG can be used as an additive to cement [[37], [38], [39]], but also as the binding material of construction products, such as wall blocks, tiles or boards. The mechanical properties of PG products are ...
Valorisation of phosphogypsum as building material: …
Nowadays, alternative uses of phosphogypsum (PG) in the building industry are being considered in several countries; however, the natural radioactivity level in the PG could be a restriction for those uses. United States Environmental Protection Agency (US-EPA) classified PG as Technologically Enhanced Naturally Occurring Radioactive Material (TENORM).
(PDF) Phosphogypsum Recycling: A Review of …
The main disadvantages of the existing methods of phosphogypsum processing were identified and trends in this waste management were also considered. ... Up to 15% of world PG production is used to make building materials, as a soil …
The using of waste phosphogypsum and natural …
The best known disadvantages of adobe are its low mechanical properties and poor resistance to water damage. In this research waste ... ral gypsum as stabilization material for adobe production. Phosphogypsum is a by-product of chemical reaction ... Construction and Building Materials 22 (2008) 1220–1224 Construction and Building
Building Materials List : Uses | Advantages
Types of Building Materials. Following are the type of the most common building materials, which are a popular choice in any building construction, along with their Advantages and Disadvantages of using it. Stone. Stones are very popular …
The Generation Process, Impurity Removal and High-Value
As phosphogypsum constitutes a large amount of solid waste material, its purification treatment and comprehensive utilization have close connection with economic development and ecological environmental protection. For the moment, the storage quantity of phosphogypsum is still rising as a result of the increasing phosphate fertilizer production to …
Present Knowledge on Pre-processing of Phosphogypsum as …
To lessen the negative effects of phosphogypsum on the environment, this article summarizes treatment techniques, with particular emphasis on approaches for the material's …
Present Knowledge on Pre-processing of Phosphogypsum as a Building Material
The disadvantage is as obvious, though: if aging happens quickly, the effect won't be evident; if aging happens gradually, ... Azab M (2023) Recent research in utilization of phosphogypsum as building materials. J Mater Res Technol. Google Scholar Saadaoui E, Ghazel N, Ben Romdhane C, Massoudi N (2017) Phosphogypsum: potential uses and problems ...
Retardation mechanism of phosphogypsum in phosphogypsum …
The effect of phosphogypsum (PG) on the hydration and retardation mechanism of phosphogypsum-based excess-sulfate slag cement (PESC) was mainly investigated. Based on the natural characteristics of PG, such as low pH value and the presence of soluble phosphorus impurities, the content of PG passing the 4.75 mm standard sieve was used as a variable to …
The Impurity Removal and Comprehensive Utilization of Phosphogypsum…
This review comprehensively summarizes the advantages and disadvantages of existing PG impurity removal and utilization technologies and probes into the future development direction, which provides references and ideas for subsequent PG research. ... Recent research in utilization of phosphogypsum as building materials. J. Mater. Res. Technol ...
Potential uses of phosphogypsum: A review | Request PDF
Phosphogypsum (PG) is a by-product of the phosphate fertilizer industry that is produced during the phosphoric acid production process. Annual global PG production ranges between 100 to 300 Mt ...
(PDF) The using of waste phosphogypsum and natural
The best known disadvantages of adobe are its low mechanical properties and poor resistance to water damage. In this research waste phosphogypsum (PG) and natural gypsum were used as stabilization ...
Compressive performance of non-fired phosphogypsum …
This study investigates the possible use of phosphogypsum, a substantial byproduct of phosphate fertilizers, as a green building material. With an estimated yearly output of 5 million tons, phosphogypsum poses environmental hazards when discharged as a pollutant. However, inventive ways can offset its negative consequences by reusing waste in a variety of …
Construction and Building Materials
Replacing cement with GGBS to stabilize phosphogypsum-soil mixture in road materials: A comprehensive assessment of mechanical property, water stability and environmental performance ... some researchers have concentrated their efforts on the road materials within the field of building materials ... The following disadvantages exist in the ...
ADVANTAGES AND DISADVANTAGES OF USING …
1st Spanish National Conference on Advances in Materials Recycling and Eco – Energy Madrid, 12-13 November 2009 S03-4 83 ADVANTAGES AND DISADVANTAGES OF USING PHOSPHOGYPSUM AS BUILDING MATERIAL. RADIOLOGICAL ASPECTS C. Gascó1, A.Alvarez1, N.Navarro1, L. Yagüe1, H.Tayibi2, F.A.López2, A. López-Delgado2 and F.J. …
Advantages and Disadvantages of Plastic as a …
In industrialized nations, one-third of plastic is utilized for packaging and as building materials for vinyl siding and plumbing. Chewing gum is one example of a naturally occurring plastic material. Later, chemically modified …
Construction and Building Materials
Preparation of composite microencapsulated phase change material based on phosphogypsum for passive building applications ... where PG is prepared as matrix material and coupled with phase change materials to fabricate composite building materials with thermal energy storage function. ... there are some disadvantages of using organic material ...
Phosphogypsum-based building materials: Resource …
PG-based building materials positively contribute to recovering PG and promoting resource recycling, but environmental safety and long-term stability need to be explored. In …
Phosphogypsum as a construction material
Phosphogypsum (PG) is a by-product generated from the phosphorus fertilizer industry (phosphoric acid production). PG is similar to natural gypsum, but there are some differences, of which it contains some impurities such as water-soluble phosphate (P 2 O 5), water-soluble fluoride (F −) and P 2 O 5 substituted in the gypsum crystal lattice. PG and …
The using of waste phosphogypsum and natural gypsum in …
The best known disadvantages of adobe are its low mechanical properties and poor resistance to water damage. In this research waste phosphogypsum (PG) and natural gypsum were used as stabilization material to improve the properties of adobe soil and to reduce its disadvantages at least partially. The compressive and flexural strength, softening in water, …
ADVANTAGES AND DISADVANTAGES OF USING …
The natural radioactivity level in the waste-phosphogypsum could be a restriction for its use as building material, but this drawback could be avoided controlling its percentage in the cement preparation and the natural radioactivity level of the …
Construction and Building Materials
Phosphogypsum (PG) is a major by-product generated from the wet process of phosphoric acid production. It is primarily composed of CaSO 4 ·2 H 2 O, undecomposed phosphorite, phosphoric acid, fluoride, and organic matter. Given that the addition of gypsum promotes the production of ettringite, it is reasonable to explore the use of PG-based wastes …
A Review of Effective Utilization of Waste Phosphogypsum as a Building
Dr. Manjit Singh "New prospect and new approaches of using waste in building material". central building research institute CE & CR august 2012 M. M. Smadi, R. H. Haddad and A. M. Akour. "Potential use of phosphogypsum in concrete", Cement and Concrete Research, Volume 29, Number 7, (1999) 1419 – 1425. N. M. Katamine.
The Development of a New Phosphogypsum-Based Construction Material…
Phosphogypsum (PG) is a waste (or by-product) of the production of phosphoric acid, a basic constituent in the manufacturing of modern fertilizers. The annual production of phosphogypsum in Tunisia is currently estimated to be 10 million tons. Its storage in slag in close proximity to production plants generates pollution problems; however, valorization may be a …