MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
Use of phosphogypsum powder
Potential uses of phosphogypsum: A review Taylor Francis
2022年7月29日 The paper offers an extensive overview of existing and potential uses of PG, discusses their adequacy, and reveals that PG can be widely used under certain conditions, rather than disposed as waste in stockpilesThe paper offers an extensive overview of existing and potential uses of PG, 登录2024年2月26日 Phosphogypsum (PG) is a solid grey, moist, finegrained byproduct powder generated during the production of phosphoric acid which has the chemical formula H 3 PO 4 Properties, Purification, and Applications of Phosphogypsum: A 2017年6月19日 Phosphogypsum could be used as a substitute of natural gypsum in the production of Portland cement to control the hydration reaction rate of cement In this study, raw phosphogypsum wasPhosphogypsum: potential uses and problems – a
Resource utilization and development of phosphogypsumbased
2023年2月10日 Since phosphogypsum powder had better dispersion in asphalt after surface modification, and the hydrophobic surface made it more easily compatible with asphalt to form 2023年1月10日 The use of phosphogypsum for filling materials is feasible and has high value for natural resource conservation, environmental protection, and economic development 9,10,11Environmental filling materials based on phosphogypsum powder 2023年2月1日 Phosphogypsum can be used as a conditioner to improve the physical and chemical characteristics of soil, delay soil degradation, and passivate heavy metals to replace Application of phosphogypsum in soilization: a review2017年6月19日 Phosphogypsum (PG: CaSO 4 2H 2 O) is a waste product generated by the phosphate industry World production of this waste exceeds 200 million tonnes per yearPhosphogypsum: potential uses and problems – a review
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Phosphogypsum: Properties and Potential Use in Agriculture
2023年2月28日 Discuss the uses of phosphogypsum in agriculture as a fertilizer, amendment to degraded soils, and as an additive fertilizer industry Define the PG impacts on crop 2020年6月25日 The way of comprehensive utilization of phosphogypsum was described, and the mechanism of phosphogypsum producing cement, preparing ammonium sulfate, potassium sulfate and alkaline soil conditioner was prehensive Utilization of Phosphogypsum and 2021年12月3日 Based on the research, a technology for the preparation of asphalt concrete mixtures with the use of mineral powder in the form of phosphogypsum dihydrate has been developed Discover the world's Application of Phosphogypsum in Road Construction2023年2月10日 Since phosphogypsum powder had better dispersion in asphalt after surface modification, and the hydrophobic surface made it more easily compatible with asphalt to form a stable asphalt mastic Therefore, using PG and glass powder as filler in asphalt mixture was helpful to enhance the antistripping property and water stability ( Qian et al, 2018 ; Ignatiev et Resource utilization and development of phosphogypsumbased
Reuse of phosphogypsum pretreated with water washing as
2022年9月27日 Phosphogypsum (PG) is reused as aggregate in the cemented backfill, which effectively improves the PG reutilization efficiency However, the massive impurities contained in aggregate PG would 2024年5月3日 Phosphogypsum (PG) is a type of industrial solid waste generated during the wet method process for producing phosphoric acid [1], and the manufacturing of one ton of phosphoric acid yields between 4 and 6 tons of PG [2]At present, China is witnessing an annual release of more than 70 million tons of PG, contributing to an accumulated stockpile that now exceeds Utilizing waste stone powder for improving properties of phosphogypsum 2023年12月11日 21 Raw materials The materials used in the study were phosphogypsum and iron tailings powder, which were sourced from Lianyungang in Jiangsu province The chemical compositions of these materials were determined by Xray fluorescence (XRF), which showed that the main chemical elements present were silicon, oxygen, aluminum, iron, and calcium, as Influence of phosphogypsum on mechanical properties and2023年2月18日 Phosphogypsum (PG) waste is a byproduct generated from wetprocess phosphoric acid (H3PO4) manufacturing during phosphate rock decomposition Worldwide, the annual production of PG ranges between 100 and 300 million tons, with only a few quantities utilized in several application domains (about 15%), the unused PG is usually discharged into Effective and innovative procedures to use phosphogypsum
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Potential uses of phosphogypsum: A review Taylor Francis
2022年7月29日 Phosphogypsum (PG) is a byproduct of the phosphate fertilizer industry, produced during the production of phosphoric acid It is a grey, damp, fine grained powder, silt or siltysand material with2022年7月4日 When the undisturbed phosphogypsum powder was directly used as a cement retarder after being pressed and cured for 7 d, the strength value is lower than the lowest measured value of the machine (001 MPa) After processing into a spherical shape using a discpelletizing machine, Modification of phosphogypsum using circulating fluidized bed Phosphogypsum stack located near Kėdainiai, Lithuania Phosphogypsum (PG) is the calcium sulfate hydrate formed as a byproduct of the production of fertilizer, particularly phosphoric acid, from phosphate rockIt is mainly composed of gypsum (CaSO 4 2H 2 O) Although gypsum is a widely used material in the construction industry, phosphogypsum is usually not used, but is Phosphogypsum WikipediaThen, replaced the 30 % cement with MP and PG, by increasing the 5% of PG upto 15% while MP was constant at 25%Following table shows the percentage variations of cement, phosphogypsum and marble powder table 4: proportion of cement,marble powder and phosphogypsum for testing % % % Of marOf Of Srno ble cement phosphogypsum powder 1 An Experimental Investigation of Use of Phosphogypsum and Marble Powder
Strength Properties of Phosphogypsum Based Composite Filling
but the calcination pretreatment increased the utilization cost of phosphogypsum Hou et al [6] used phosphogypsum and slag cement to carry out the experimental study of phosphogypsum base polymer and achieved good results, but the high economic cost of low gelling materials limited the extensive use in the process of mine filling2024年5月1日 DOI: 101016/jconbuildmat2024 Corpus ID: ; Utilizing waste stone powder for improving properties of phosphogypsumbased composite prepared by semidry method @article{Li2024UtilizingWS, title={Utilizing waste stone powder for improving properties of phosphogypsumbased composite prepared by semidry method}, author={Jiajia Li and Utilizing waste stone powder for improving properties of phosphogypsum 2021年3月1日 Cement used in this study was manufactured by Nanjing Conch Cement Co Lt Phosphogypsum powder was taken from a landfill of waste phosphogypsum in Nanjing city, China Table 3 presents the chemical compositions of cement and phosphogypsum Note that the ratio of CaO to SiO 2 is 264, Effect of phosphogypsum on physiochemical and mechanical Powder And Phosphogypsum For Testing In this experimentation, cement was partially replaced by combinations ofmarble powder (MP) and Phosphogypsum (PG) Test was started with control concrete of M25 grade Then, replaced the 30 % cement with MP and PG, by increasing the 5% of PG upto 15% while MP was constant at 25%FollowingAn Experimental Investigation of Use of Phosphogypsum and Marble Powder
Porous alkaliactivated materials based on municipal solid waste
2021年9月27日 Semantic Scholar extracted view of "Porous alkaliactivated materials based on municipal solid waste incineration ash with addition of phosphogypsum powder" by D Vaičiukynienė et al2023年7月1日 Phosphogypsum (PG) is a byproduct of the wet manufacturing process for phosphoric acid and is considered an industrial waste material Around 5 tonnes of PG are generated for every 1 tonne of phosphoric acid production [1]As the phosphorus chemical sector has expanded rapidly in countries like the Middle East, Africa, Russia, the United States, and Review Article Recent research in utilization of phosphogypsum Life cycle assessment (LCA) is a widely used method for comprehensively analyzing the environmental impacts of waste management strategies and technologies, providing critical technical support for promoting waste optimization management and developing a circular economy (Dong et al, 2024)In the context of PG recycling and utilization, previous studies Life cycle environmental and economic assessment of Phosphogypsum 2023年9月25日 The use of phosphogypsum in agricultural and road fields had a low environmental footprint and met a large consumption Compared with limestone powder, phosphogypsum reduces the J nr01 values of asphalt mastic, and the J nr01 values are ranked as LS > FY60> FY160> FY800 The J nr01 values of FY60, FY160, and FY800 at 46 Upcycling waste phosphogypsum as an alternative filler for
Porous alkaliactivated materials based on municipal solid
2021年9月27日 Porous alkaliactivated materials based on municipal solid waste incineration ash with addition of phosphogypsum powder Author links open overlay panel Danutė Vaičiukynienė a , Gintautas Tamošaitis a , Aras Kantautas a , Dalia Nizevičienė b , 2023年10月30日 The discussion on the process parameters of phosphogypsum cement micro silica fume system (PGCF) foam light soil and phosphogypsum cement slag powder system (PGCS) foam light soil shows that the optimal mix ratio of PGCF foam light soil is 2% hydrated lime, 4% sulfoaluminate cement, 05% water reducer, 50%~60% phosphogypsum, 4:1 cement Mechanical Properties and Optimal Mix Design of Phosphogypsum Building elements made of phosphogypsum, such as wallboards and similar construction elements, give yield to high values of radon emanation together with the mentioned elevated concentrations of 226 Ra Phosphogypsum can be used in Portland cement as a setting time retarder in amounts below 4–5 wt%; then, it is diluted in the concrete and Phosphogypsum an overview ScienceDirect Topics2019年8月6日 This paper presents the results of research on the effect of hydrated calcium sulfate (phosphogypsum) on the mechanical properties of composite based on aluminum powder The phosphogypsum used is a byproduct obtained in the phosphate fertilizers industry, eg, at the Gdańskie Zakłady Fosforowe “Fosfory” The amount of phosphogypsum produced in Analysis of the mechanical strength, structure and possibilities of
The Use of Phosphogypsum as a Source of Raw
2024年5月14日 Only 15% of all phosphogypsum produced in the world is recycled; the remaining volume is stored or dumped into water reservoirs, which causes significant damage to the environment []In this connection, the search 2024年8月15日 Fillers like rock powder and lime did not comply with the sustainable strategy, so researchers used various waste fillers to prepare asphalt mixtures [188, 189] and got satisfactory evaluations [190, 191] Using PG filler also significantly improved the Marshall stability of asphalt mixtures, which could carry a larger loadPhosphogypsumbased building materials: Resource utilization 2023年8月15日 Circular economy considerations are gaining more and more momentum among practitioners and scholars (Corona et al, 2019; Kirchherr et al, 2017) putting pressure on the extractive industries to also move away from a linear economy model to a more circular oneThe nature of mining obviously makes this challenging and circular economy considerations in Phosphogypsum circular economy considerations: A critical 2024年3月1日 However, phosphogypsum powder is easy to agglomerate and has po or dispersion [5], and the surface modification of phosphogypsum is required to enhance the interf ace compatibility with polymers(PDF) Influence of modified phosphogypsum content on the
Use of Phosphogypsum for Construction and Repair of Motor
2024年7月1日 The use of phosphogypsum is possible both in its pure form and modified to improve the performance properties of the final product (PGCF) and phosphogypsum cement slag powder foam (PGCS), 2022年7月30日 Abstract The red clay is widely distributed in Guizhou province, which is characterized by high natural moisture content, difficult compaction and serious shrinkage and crackingin, and phosphogypsum is discharged for 5 million tons every year in Guizhou province For the sake of effectively reducing the accumulation of phosphogypsum, mixtures were Mechanical properties and modification mechanism of phosphogypsum 2024年4月12日 @article{Wang2024HighlyEM, title={Highly efficient modified phosphogypsum building gypsum powder and environmentally friendly utilisation in selflevelling mortar}, author={Chaoqiang Wang and Yan Ying and Ting Wang and Dena Huang and Sha Wei}, journal={Archives of Civil and Mechanical Engineering}, year= {2024 Highly efficient modified phosphogypsum building gypsum powder 2021年8月1日 Betahemihydrate phosphogypsum (βHPG) as a cementitious material can be used for the preparation of lightweight gypsum to facilitate the utilization of phosphogypsum (PG) and reduce the energy Preparation of ecofriendly lightweight gypsum: Use of beta
Environmental filling materials based on
2023年1月10日 ties e use of phosphogypsum for lling materials is feasible a nd has high value for natural resource conserva tion, environmental pr otection, and economic development 9 – 11 T o improve the The present study intended to find a way to use TiO2, one of the most widely used photocatalysts, as a construction material To that end, nanoSiO2/Al2O3TiO2 powder (NTCP) was synthesized by Xray Diffraction pattern of the Phosphogypsum sample2019年8月6日 This paper presents the results of research on the effect of hydrated calcium sulfate (phosphogypsum) on the mechanical properties of composite based on aluminum powder The phosphogypsum used is Analysis of the mechanical strength, structure and grayblack powder About 455t phosphogypsum is produced per 1t phosphoric acid It is an acid byproduct Due to the complex and harmful impurity components, phosphogypsum cannot be directly used At present, the global phosphogypsum accumulation has reached 6 billion tons and is still growing at 150 million tons per yearPresent Situation and Development of Building Material Utilization
Enhancing compressive strength of phosphogypsumbased
2024年10月15日 Phosphogypsum (PG) is a bulk industrial solid waste generated during phosphoric acid manufacturing This study investigated a novel phosphogypsumbased geopolymer (PBG) cement through L 16 (4 5) orthogonal experimentsThe impact of five alkaline activators, including Portland cement clinker (PCC), sulfate alumina cement clinker (SACC), 2023年5月20日 Geopolymer prepared from solid waste is a high valueadded means However, when used alone, the geopolymer produced by phosphogypsum has the risk of expansion cracking, while the geopolymer of recycled fine powder has high strength and good density, but its volume shrinkage and deformation are large If the two are combined, the synergistic effect of The Synergistic Mechanism and Stability Evaluation of Phosphogypsum 2024年8月2日 Phosphogypsum is a waste from the phosphorus chemical industry which has certain environmental hazards Using it as a substitute for building materials was thought to alleviate the problems of phosphogypsum pollution and natural mineral consumption This study tried to develop an environmentally friendly phosphogypsumbased composite filler (PCF) that Evaluation of the Influence of PhosphogypsumBased Composite Phosphogypsum (PG) is a byproduct of the wet phosphoric acid process, with calcium sulfate as its primary component Approximately 45–50 t of PG are generated per ton of phosphoric acid produced (Li Gu, 2016)Globally, the cumulative stockpiles of PG have reached 6 billion t, with an annual increase of 200 million t (Ou et al, 2021)By the end of 2020, PG stockpiles in Status and development trends of phosphogypsum utilization in
Phosphogypsum as a construction material ScienceDirect
2017年11月10日 Phosphogypsum (PG) is a byproduct 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 watersoluble phosphate (P 2 O 5), watersoluble fluoride (F −) and P 2 O 5 substituted in the gypsum crystal lattice PG and 12 Phosphogypsum: Properties and Potential Use in Agriculture 231 • Discuss the uses of phosphogypsum in agriculture as a fertilizer, amendment to degraded soils, and as an additive fertilizer industry • Define the PG impacts on crop production, soil, water, and environmentPhosphogypsum: Properties and Potential Use in Agriculture