Phosphorus tailings limestone use
Phosphorus recovery from phosphate tailings through a twostage
2024年5月1日 To achieve highly efficient extraction of phosphorus (P) and comprehensive utilization of phosphate tailings, a twostage leachingprecipitation method was proposed Phosphate tailings primarily consisted of dolomite, fluorapatite, and quartz2023年12月1日 Selective leaching of P from phosphate tailings can be achieved by HCl solution Calcium phosphates are obtained from leachate by the precipitation method The obtained Leaching of phosphorus from phosphate tailings and extraction of 2015年11月15日 In cement chemistry, phosphate tailings are nonhydraulic particles Particle properties and inert nature of phosphate tailings make it promising to be used as filler in Influences of phosphate tailings on hydration and properties of 2023年1月1日 The characterization tests showed that the presence of carbonatefluorapatite and carbonatefluorapatite, and calcite, dolomite, and quartz are predominant in phosphatic limestone andGeotechnical Characterization of Phosphate Mining
(PDF) Mineralogical Characteristics of Phosphate
2021年4月1日 According to the analysis of mineralogical characteristics, the physical and chemical properties of phosphate tailings provided the basis for comprehensive utilization of phosphorus2021年4月1日 By finding out the structure, occurrence state, mineral types, and distribution characteristics of phosphate tailings, this study grasps the properties of phosphate tailings, providing a basis for the separation of phosphate Mineralogical Characteristics of Phosphate Tailings for 2023年2月28日 In order to make safe and effective utilization of phosphorus tailing resources, this research concentrated on how to solve easy agglomeration and difficult dispersion of phosphorus tailing(PDF) Research on Recycling of Phosphorus Tailings 2023年11月24日 To achieve highly efficient extraction of phosphorus (P) and comprehensive utilization of phosphate tailings, a twostage leachingprecipitation method was proposed Enhanced Recovery of Phosphorus and Comprehensive Utilization
Utilizing phosphate mine tailings to produce ceramisite
2017年11月30日 This paper presents a study to use phosphate mine tailings to make ceramisite materials, which can be used as building material In the process, the phosphate tailings were 2024年2月23日 Influence of phosphorus tailings fineness on the hydration process and physical properties of ordinary Portland cement Author links open overlay panel Lilong Jiang a, [29] studied the effects of limestone fineness on the early hydration of cement and showed that fine limestone increases the hydration of C 3 S in cement clinkerInfluence of phosphorus tailings fineness on the hydration 2024年5月15日 The complex composition of phosphorus tailings and coal gangue meant that it was challenging to obtain accurate proportions in the preparation of lightweight glass ceramics [23]The powder sintering method mainly induced insitu pore formation via the foaming composition and foaming agent (eg, carbonate, SiC, Fe 2 O 3, and carbide, etc) by creating Production of highvalueadded lightweight glass ceramics based 2024年9月2日 With the development of industry and agriculture, eutrophication caused by increasing amounts of phosphorus in the environment has attracted people's attention On the other hand, copper tailings Removal mechanism of phosphorus in water by calcium
Does phosphorus affect the industrial Portland cement reactivity
2018年11月10日 The effect of phosphorous on the mineralogy and reactivity of Portland cement has been investigated through an industrial clinkers series The samples were collected from the same Tunisian cement 2023年9月11日 The use of phosphorus by mankind is long established From use in agriculture, foods, high tech electronics, and more recently in EV battery cathode production, one cannot escape its impact on today’s society This paper will review and describe the circular journey of phosphorus through its value chain from the mining operation of phosphate ore through Phosphorus — a Circular Journey from the Ground to the2024年5月1日 To solve this problem, massive studies have been carried out and some utilization methods have been proposed Gu et al, 2022a, 2022b investigated the utilization of waste phosphate tailings and acid water generated during the phosphorus chemical industrial chain for the production of magnesium oxysulfate cement Moukannaa et al (2018) Phosphorus recovery from phosphate tailings through a two 2022年10月1日 Phosphate tailings (PT) and acid water, byproducts of phosphorus chemical industrial chain, are usually identified as waste because they can hardly be reused in cement production This paper proposes an approach of recycling solid waste PT and acid wastewater in preparing a high valueadded magnesium oxysulfate (MOS) cementRecycling of phosphate tailings and acid wastewater from phosphorus
Sustainable use of phosphorus: A finite resource ScienceDirect
2013年9月1日 Phosphorus is an essential element of life and of the modern agricultural system Today, science, policy, agroindustry and other stakeholder groups are increasingly concerned about the sustainable use of this resource, given the dissipative nature of phosphorus and difficulties in assessing, evaluating, and coping with phosphorus pollution in aquatic and 2024年1月1日 From these perspectives, the use of phosphate tailings and phosphorus to prepare a compound slurry for the removal of sulfur dioxide and nitrogen oxides is a promising new approach, Use of limestone for SO 2 removal from flue gas in the semidry FGD process with a powderparticle spouted bed Chem Eng Sci (2000)Simultaneous removal of SO2 and NO by phosphate tailings 2020年7月20日 In this study, there is 142% P2O5 in the Pcontaining VTi magnetite tailings in Miyi Region of China, with the valuable minerals mainly including apatite, and aluminosilicate minerals as the main gangue components The direction flotation process was used to recover phosphorous from the lowgrade phosphorousbearing VTi magnetite tailings The results Extraction of Phosphorous from a PhosphorousContaining Vanadium MDPI2017年11月30日 Until now, tailings have been successfully used as industrial raw materials For example, Yang et al [16] conducted the feasibility of utilizing lowsilicon iron tailings and fly ash for production of fired bricks They found that the physical properties at temperatures from 900 °C to 1000 °C were well conformed to Chinese Fired Common Bricks Standard [17]Wang et al Utilizing phosphate mine tailings to produce ceramisite
Soilization utilization of solid waste: Ecological regulation of
2023年11月1日 Phosphorus tailings are rich in Ca, Mg, P, K, Si, Se, Zn and Co and can be efficiently utilized In China, the utilization rate of phosphorus tailings was only 10%, and large amounts of phosphorus tailings were used as mine backfill, resulting in the loss of numerous valuable elements in phosphorus tailings (Boujlel et al, 2019)Since phosphorus tailings are alkaline, Hakkou et al (2009) added phosphorus slag to acidic mine wastewater, which effectively reduced the acidity of water and the content of metal elements in waterResearch hotspot and trend of resource utilization of phosphorus 2021年1月21日 The results can be used as the guidance for cement production using lowgrade phosphorousbearing limestone 2 Experimental 21 Materials 211 Cements Clinkers with different phosphorus contents were experimentally prepared with raw reals obtained by mixing phosphoruscontaining limestone, normal limestone, clay, iron ore powder, and fly ashMaterials Prepared with PhosphorousBearing Clinkers2022年12月1日 Semantic Scholar extracted view of "Consolidation of Phosphorus Tailings and Soluble Fluorine Phosphorus with Calcium Carbide ResidueMirabilite Waste as A Green Alkali Activator" by Shengjia Lin et al Limestone powderbased alkaliactivated materials: Influence of Consolidation of Phosphorus Tailings and Soluble Fluorine Phosphorus
Effect of green gel system upon the properties of phosphorus tailings
2024年10月15日 Phosphorus tailings were the primary waste generated from the phosphorus ore production of phosphorus concentrates [1]Significant quantities of phosphorus tailings were discharged during flotation operations due to the relatively low grades of phosphorus ores originating from China [2]The annual discharge of phosphorus tailings was estimated to 2024年8月8日 With the development and utilization of phosphorus resources, phosphorus tailings continue to pile up, which has become a serious problem that cannot be ignored, so the resource utilization of phosphorus tailings has extremely significant research significance This study takes “phosphorus tailings” and “phosphate tailings” as keywords, 989 related research Research hotspot and trend of resource utilization of phosphorus 2018年5月26日 Here, the outline and characteristics of iron ore deposits are discussed A reasonable definition of iron ore would be “ore that enables economical production of iron and steel reflecting the steelmaking technology in each era” (Inazumi 2009)Even if an iron ore has excellent quality and properties, it is merely a stone unless iron and steel can be obtained Phosphorus in Steelmaking Processes SpringerLinkDownload Citation On Jan 16, 2024, Xiuping Li and others published A Critical Review on Approaches for Phosphorus Ore Flotation Tailings Treatment and Disposal Technology: Environment Properties A Critical Review on Approaches for Phosphorus Ore Flotation Tailings
(PDF) Hydration and Strength Development of Cementitious Materials
2021年1月21日 PDF To rationally use lowgrade phosphorous limestone as the raw materials for cement production, the influence of phosphorous introduced by phosphorgypsum, phosphorus tailings, 2024年6月25日 Phosphorus tailings are solid wastes generated from mineral processing It limits the green development of phosphorus chemical industries Phosphorus tailings mainly consist of dolomite, fluorapatite, and quartzite, so they are used as mineral admixtures to prepare concrete, which not only reduces carbon emissions but also eliminates phosphorus tailings and solves Study on the Performance and Hydration Mechanism of Concrete the top meter of soil is not calcareous, due to leaching The soil used in this research was excavated from the top meter Most of the particles comprising the #1 limestone (one of the four treatments) are 06 to 13 cm in size The #2 limestone used at the head and foot of each wetland cell has larger particles, most of which range from 13 to of four alternative substrates phosphorus from barnyard runoff: A 2024年5月1日 The gelation mechanism of phosphorus tailings foamed ceramics was the formation of a threedimensional network space structure by the esterification reaction between –COOH of IB and –OH of CMC, and the –COOH and –NH 2 groups crosslinked with the phosphorus tailings particles via van der Waals forcesPhosphorus recovery from phosphate tailings through a two
Conversion of recovered phosphorus tailings into highvalue
Phosphorus tailings were the primary waste generated from the flotation of phosphorus ore, the extraction of one ton of phosphate ore typically results in the production of approximately 044 tons of phosphorus tailings (Yu and Du, 2023, Xiao et al, 2024)With the growing demand for phosphorus in society, the mining of phosphorus ore was increasing, and phosphorus tailings PDF On Oct 2, 2023, YaoHui Yu and others published Leaching of phosphorus from phosphate tailings and extraction of calcium phosphates: Toward comprehensive utilization of tailing resources Leaching of phosphorus from phosphate tailings and extraction of phosphorus tailings There are nearly 95 million tons phosphorus tailings accumulated every year in China However, only a limited amount of them can be reused, with an efficiency of about 7% [6] The stacking of phosphate tailings will bring heavy metals into the soil or water source and threaten human physical health Research from K Research on Recycling of Phosphorus Tailings Powder in Open 2023年11月26日 The feasibility of dephosphorization using the flotation process and its mechanism of highphosphorus oolitic hematite were discussed in this paper The results showed that phosphorus minerals mainly exist in the form of collophane, which can be divided into three types Block collophane and band collophane could be effectively removed through flotation, Flotation Dephosphorization of HighPhosphorus Oolitic Ore
Fragmented limestone wastes as a constructed wetland substrate
2012年4月1日 The use of fragmented Moleanos limestone as substrate in constructed wetlands can be used to remove PO43from surface water, resulted in 61% ± 7 of the removal efficiency (Mateus et al, 2012)2017年8月2日 The major use of phosphate is to supply phosphorus, one of the three essential plant foods—nitrogen, phosphorus, and potassium Single superphosphate, a mixture of monocalcium monohydrate and gypsum formed by the reaction of sulfuric acid with phosphate rock, has been used as a fertilizer since the mid1800sPhosphorus and Phosphates SpringerLink2021年3月1日 Nurse [4] uses phosphorous limestone in Uganda area as raw material to prepare cement clinker The results show that for every 10% increase in P 2 O 5 content, C 3 S content decreases by 99%, and C 2 S content increases by 109% When P 2 O 5 content is 70%, No C 3 S is formed in the clinker When Halicz and Nathan [17] used phosphorous oil shale in the The effect of fluorapatite in limestones on the mineral compositions 2023年12月15日 A novel approach to “treating waste with waste” was proposed to prepare porous ceramsite for the treatment of sewage containing Ag+ with total phosphorus tailings as raw material The porous ceramsite with bulk density of 111 g/cm3 was fabricated via rotary granulation technique, followed by sintering at 1085 °C, whose compressive strength, water Adsorption of Ag+ with NaCl Modified Ceramsite Prepared from
(PDF) Mineralogical Characteristics of Phosphate
2021年4月1日 The mineralogical characteristics of a phosphate tailing were studied, and the occurrence state, mineral types, and embedded characteristics of phosphorus in the phosphate tailings were ascertained2023年12月1日 Phosphate tailings are typically comprised of dolomite, fluorapatite, and quartz (Wang et al, 2022) Since fluorapatite is one of the most significant mineral phases containing rareearth elements (Soltani et al, 2017; Banihashemi et al, 2021), the extraction of rareearth elements from fluorapatite has been a pivotal research area (Liang et al, 2018; Banihashemi Leaching of phosphorus from phosphate tailings and extraction 2024年10月15日 The gelation mechanism of phosphorus tailings foamed ceramics was the formation of a threedimensional network space structure by the esterification reaction between –COOH of IB and –OH of CMC, and the –COOH and –NH 2 groups crosslinked with the phosphorus tailings particles via van der Waals forcesEffect of green gel system upon the properties of phosphorus tailings phosphate tailings make it promising to be used as filler in cement Compared with limestone, phosphate tailings need less or even no extra energy to reduce their particles size into a desirable level The influences of phosphate tailings on the properties of Portland cement need to be understood fully for the potential utiInfluences of phosphate tailings on hydration and properties of
Influences of phosphate tailings on hydration and properties of
2015年11月15日 The influences of phosphate tailings on the properties of Portland cement need to be understood fully for the potential utilization in cement, especially, those arise from the possible dissolution of phosphorus from the tailings for the relatively high P 2 O 5 content and the potential reaction between alkali and dolomite contained in phosphate tailings2007年4月1日 Release of phosphorus from Silver Lake sediment under aerobic conditions Sediment samples (filled squares) and sediment mixed in a ratio of 1:1 (w/w) with iron mine tailings (open triangles) were Phosphorus Sequestration in Lake Sediment with Iron Mine Tailings2018年6月1日 The extraction and beneficiation of phosphates is the dominated mining activity in Morocco About twothirds of the world's total reserves are localized in the area and it remains the largest producer of phosphate, with a total production of 30,000 Mt in 2016 (Jasinski, 2017; Pufahl and Groat, 2016)It is expected that processing plants will triple in capacity by 2018 (Pufahl Recycling of phosphate mine tailings for the production of 2023年10月12日 Recent studies have shown that the phosphate tailings had accumulated over 12 billion tones in China [23] Although the extensive use of phosphorus tailings has been continuously explored, the utilization rate is only 17%, which does not allow for highvalue use [24], [25], [26], [27]Preparation of C/M−S−H cementitious materials from phosphate
Preparation of C/M−S−H cementitious materials from phosphate
2023年10月1日 Revolutionizing Construction: Harnessing Phosphorus Tailings for Lightweight, High‐Strength Wall Materials Haiyang Wang Hao Zhang +4 authors Jizhou Jiang Materials Science, Highefficiency utilization of limestone tailings: Used as cementitious materials and fine aggregate to prepare karst structure filling material