Comprehensive utilization of industrial byproduct gypsum

Application of the Industrial Byproduct Gypsum in Building MDPI

2024年4月16日  According to statistics, China’s annual industrial byproduct gypsum emissions are approximately 280 million tons, with a utilization of approximately 142 million tons and an overall comprehensive utilization rate of approximately 51%Data analysis revealed that an appropriate amount of BPG can enhance the Effect of Industrial Byproduc2021年11月1日  Flue gas desulfurized gypsum mainly comes from thermal power plants, smelters, and largeenterprise boilers, and contains industrial byproducts produced through a Production and resource utilization of flue gas desulfurized 2021年6月21日  Industrial byproduct gypsum (IBG), including desulphursation gypsum (DG), phosphogypsum, Fluor gypsum (FG), and desulphursation ash (DA), is produced during flue Activation mechanisms of three types of industrial byproduct

(PDF) Application of the Industrial Byproduct Gypsum

2024年4月16日  The industrial byproduct gypsum refers to the byproduct or waste residue generated by chemical reactions in industrial production with calcium sulfate as the main component2023年8月22日  Flue Gas Desulphurized Gypsum (FGDG) is a byproduct generated by the thermal power industry to remove sulfur dioxide (SO 2) from flue gas emissions This paper A comprehensive review of flue gas desulphurized gypsum: 摘要 介绍了我国工业副产石膏的主要来源及资源化利用途径。 截至2020年底,我国累积堆存石膏量已超过1100 Mt,2020年我国工业副产石膏排放总量约为200 Mt,天然石膏开采量约为16 Mt。 从循环经济角度看工业副产石膏的资源化利用【维普 According to statistics, China s annual industrial byproduct gypsum emissions are approximately 280 million tons, with a utilization of approximately 142 million tons and an overall1 1,2, 1,* , Chao Wei 1 and Jiarui Gu 1 ResearchGate

Basic characteristics and comprehensive utilization of FGD gypsum

2020年6月1日  Firstly the basic characteristics of Fluegasdesulfurization gypsum (FGD gypsum) is described in this paper Then the research status of FGD gypsum is introduced, 2024年8月23日  Data analysis revealed that an appropriate amount of BPG can enhance the mechanical properties of cementitious materials, with compressive strength increasing by an average of 7–30% The mechanical properties and Effect of Industrial Byproduct Gypsum on the 2021年1月29日  This paper summarizes the application and technology development status of domestic industrial gypsum in the fields of cement， building materials， agriculture， Resource utilization of Industrial gypsum and its prospect12 Industrial byproduct gypsum Industrial byproduct gypsum is the chemical end product of industrial processing plants, consisting primarily of calcium sulfate dihydrate, CaSO 4×2H 2O (Pressler, 1984) Among industrial byproduct gypsum, flue gas desulfurization (FGD) gypsum and phosphogypsum (PG) have the largest outputPreparation of αcalcium sulfate hemihydrate from industrial by

Environmental risk assessment of industrial byproduct gypsum

2022年8月8日  In response to the basic policy of green and lowcarbon circular development to solve resource, environmental and ecological problems, gypsum is considered to be a filling material for mine backfilling To explore the potential risks of gypsum to the groundwater environment due to the backfilling of abandoned mines, a sequential batch leaching 2023年6月9日  This study summarized industrial byproduct gypsum into eight types (flue gas desulphurization gypsum especially the comprehensive utilization of FGD gypsum Finally, A comprehensive review of flue gas desulphurized gypsum: 2021年9月1日  They are inexpensive, nutrientrich, and vary widely in chemical composition such as proteins, oils, carbohydrates, and minerals In an increasingly resourceconstrained modern world, the utilization approach of these byproducts for nonstarch industrial processing is attractive widely considering both nutritive value and economic prehensive utilization of corn starch processing by 2024年6月21日  With the rapid advancement of industrial production, the substantial accumulation of industrial byproduct gypsum containing high salinity, acidity/alkalinity, and heavy metals are currently causing widespread ecological damage on a global scale Based on the different industrial production processes, industrial byproduct gypsum can be divided into Recycling, reusing and environmental safety of industrial byproduct

Resource utilization of Industrial gypsum and its prospect

2021年1月29日  A large amount of byproduct gypsum is produced in the process of industrial production， such as electric power， iron and steel， phosphate fertilizer， etc2023年8月22日  Next, a study about the industrial byproduct gypsum's recycling and reusing was carried out in the realm of construction and building materials (building materials, filling materials and soil conditioners) Then, the influence of the type and content of industrial byproduct gypsum on key properties indicators was conductedA comprehensive review of flue gas desulphurized gypsum: comprehensive utilization of FGD gypsum Finally, some suggestions are put forward to solve the problems existing in the application of FGD gypsum, which provides a reference for further research and development 1 Definition and generation of FGD gypsum Fluegasdesulfurization gypsum (FGD gypsum) is an industrial byproduct gypsum obtained byBasic characteristics and comprehensive utilization of FGD gypsum2024年8月12日  Industrial byproduct gypsum is a highly productive solid waste consisting mainly of calcium sulfate dihydrate (CaSO 4 2H 2 O), which is generated in the production of phosphoric acid, flue gas desulfurization process, etc [1, 2]In China alone, the annual output of IBG exceeds 200 million tons, predominantly in the form of phosphogypsum (PG, from the phosphoric acid Recycling industrial byproduct gypsum for use as plastering

Production and resource utilization of flue gas desulfurized gypsum

2021年7月1日  Industrial byproduct gypsum was mainly composed of CaSO 4 • 2H 2 O [12], which has reached a discharge of 212 million tons a year in China, but the comprehensive utilization rate is only 40% 2023年8月22日  Flue Gas Desulphurized Gypsum (FGDG) is a byproduct generated by the thermal power industry to remove sulfur dioxide (SO 2) from flue gas emissionsThis paper provides a comprehensive review of flue gas desulphurized (FGD) gypsum production, property, and applications in the construction industryA comprehensive review of flue gas desulphurized gypsum: 2024年3月24日  Abstract The largescale accumulation of industrial byproduct gypsum has led to land embezzlement and serious environmental pollution Meanwhile, as a predominantly used nitrogen fertilizer, Utilization of industrial byproduct gypsum to prepare urea gypsum cocrystals as a sustained release fertilizer: A review Jiang Zhao,Utilization of industrial by‐product gypsum to prepare urea gypsum 2024年2月26日  Phosphogypsum (PG) is a byproduct produced during the wet process of phosphoric acid (H3PO4) production from natural phosphate rocks Approximately 4–6 tons of PG is produced per ton of phosphoric acid production, where worldwide PG generation exceeds 300 million tons annually The vast majority of produced PG is discarded irresponsibly, leading to Properties, Purification, and Applications of Phosphogypsum: A

Killing three birds with one stone: A novel valorization strategy for

2024年9月1日  As an industrial byproduct of flue gas desulfurization, flue gas desulfurization gypsum (FGD gypsum), whose main component is CaSO 4 2H 2 O, is an ideal raw material for mineralization2018年2月1日  Therefore, the comprehensive utilization rate of gypsum byproducts is still relatively low [3,[5][6][7] industrial byproduct gypsum is frequently utilized as a soil acidbase regulatorPotential flue gas desulfurization gypsum utilization in griculture2023年10月1日  Lactic acid gypsum (LAG), a kind of calcium sulfate dihydrate crystal with large particles, high grade, and high whiteness, is the industrial byproduct of lactic acid production by biological fermentation [13], [14]LAG is the ideal raw material to replace natural gypsum to produce hemihydrate gypsum (HHG) whiskers, realizing the highvalue utilization of industrial Facile preparation of αcalcium sulfate hemihydrate whisker from 2018年11月20日  Present situation of comprehensive utilization of phosphorus gypsum is summarized The clean production technology for comprehensive utilization of industrial byproduct phosphorus gypsum is Clean technology for comprehensive utilizations of industrial byproduct

Resource utilization of flue gas calciumbased desulfurization ash:

2023年2月11日  Calciumbased desulfurization ash (CDA) is mainly produced in dry and semidry flue gas desulfurization processes The property of CDA is extremely unstable because its main component, calcium sulfite, makes it difficult to be directly applied to the field of building materials The modification of desulfurization ash can be realized by hightemperature 2024年3月24日  The sustainable method of using industrial byproduct gypsum to synthesize urea gypsum cocrystals is a promising way to solve above challenges The synthesized urea gypsum shows low aqueous solubility and hygroscopicity, which can be used as sustained release fertilizerUtilization of industrial by‐product gypsum to prepare urea gypsum 12 Industrial byproduct gypsum Industrial byproduct gypsum is the chemical end product of industrial processing plants, consisting primarily of calcium sulfate dihydrate, CaSO 4×2H 2O (Pressler, 1984) Among industrial byproduct gypsum, flue gas desulfurization (FGD) gypsum and phosphogypsum (PG) have the largest outputPreparation of αcalcium sulfate hemihydrate from industrial by 2024年4月28日  Phosphogypsum (PG), a byproduct during the phosphoric acid production process, also known as the wet process, contains complex and diverse impurities, resulting in low utilization and considerable accumulation The Impurity Removal and Comprehensive Utilization

Collaborative Utilization Status of Red Mud and Phosphogypsum:

2022年9月29日  Abstract Red mud and phosphogypsum are staple solid wastes, with considerably large annual emissions Improving their comprehensive utilization is the key to addressing the large accretion of both red mud and phosphogypsum They have great utilization potential and can be collectively modified to expand the utilization field and increase the 2024年1月12日  Industrial byproduct gypsum is a waste residue with CaSO 4 2H 2 O as the main component [1] At present, the annual emission of industrial byproduct gypsum in China is approximately 200 million tons [2], but its comprehensive utilization rate is still at a relatively low level, and its accumulated stockpile has been evaluated to exceed 11 billion tons by 2020 [2]Reuse of byproduct gypsum with solid wastesderived 2022年5月9日  Fluegas desulphurization (FGD) gypsum is a highly prevalent industrial byproduct worldwide, which can be an excellent alternative to natural gypsum due to its high content of CaSO42H2O The preparation of αcalcium sulfate hemihydrate is a highvalue pathway for the efficient use of FGD gypsum Here, a dynamic method, or an improved autoclaved Experimental Study and Mechanism Analysis of Preparation of2024年1月17日  The synthesis of αcalcium sulfate hemihydrate (αCSH) from flue gas desulfurization (FGD) gypsum is a good way to realize the comprehensive utilization of FGD gypsum To obtain αCSH with the satisfactory performances, a facile hydrothermalaging pretreatment process for FGD gypsum raw materials was proposed, where FGD gypsum was Preparation of αHigh Strength Gypsum from Flue Gas

Comprehensive Utilization of Carbide Slag SpringerLink

2019年5月23日  If gypsum is not sold well, it will cause the problem of stacking of the solid effluent, resulting in secondary pollution Aiming at certain specific projects, various conditions such as field conditions, absorbent and treatment, and comprehensive utilization of byproducts should be considered to select the best desulfurization scheme 22020年6月1日  [4] Dongxu Li 2013 Comprehensive utilization of industrial byproduct gypsum resources and related technologies[M] (Beijing: China construction industry press) Go to reference in article Google Scholar [5] Yi Zhao, Zhuokun Wang et al 2007 Environmental protection technology of electric power industry[M] (Beijing: China electric power press)Basic characteristics and comprehensive utilization of FGD gypsum2020年6月1日  Basic characteristics and comprehensive utilization of FGD gypsum Zhang Yichao 1, Wang Ying 1, Zhou Jinghai 1, Liu Jiaxi 1 and Li Tong 1 Published under licence by IOP Publishing Ltd IOP Conference Series: Earth and Environmental Science, Volume 510, 4 Civil Engineering and Construction Engineering Citation Zhang Yichao et al 2020 IOP Conf Ser: Basic characteristics and comprehensive utilization of FGD gypsum2021年11月1日  Flue gas desulfurized gypsum (FGD gypsum), mainly originates from thermal power plants, smelters, and largescale enterprise boilersThis article reviews the production in China and the latest beneficial utilizations of FGD gypsum China is a large coalconsuming country and has always had serious SO 2 emissions Therefore, the Chinese government has Production and resource utilization of flue gas desulfurized gypsum

Effect of Industrial Byproduct Gypsum on the

2024年8月23日  Industrial byproduct gypsum (BPG) is a secondary product that is mainly composed of calcium sulfate discharged during industrial production BPG primarily consists of desulfurized gypsum, phosphogypsum, and titanium 2024年4月24日  The utilization of desulfurized building gypsum as raw material for gypsumbased selfleveling mortar (GSL) is limited by its low strength and poor water resistance The objective of this study is to enhance comprehensive properties of GSL and prepare qualified desulfurized building gypsumbased selfleveling mortar that can be effectively applied in High valueadded utilization of desulfurized building gypsum as industrial byproduct gypsum is proposed, and some suggestions are given It can be helpful for researchers in the future to realize the disposal and utilization of the industrial byproduct gypsum 21 1,2, 1,* , Chao Wei 1 and Jiarui Gu 1 ResearchGate2020年6月25日  Phosphogypsum is a byproduct of phosphoric acid industrial production, and its stacking volume is increasing year by year, which brings a great threat to the environment and agricultural safety The way of comprehensive utilization of phosphogypsum was described, and the mechanism of phosphogypsum producing cement, preparing ammonium sulfate, Comprehensive Utilization of Phosphogypsum and Research

Production, characterisation, and application of titanium gypsum:

2024年1月1日  Titanium gypsum (TG) is a industrial gypsum produced during the manufacture of titanium dioxide (TiO 2) by the sulphuric acid process, after neutralisation of the acid waste solution with lime or calcium carbide slag (ZapataCarbonell et al, 2019, Zhai et al, 2020)At present, every 1 ton of TiO 2 produced in China generates about 6 ton of TG (Ma, 2022a, Su 2020年8月20日  Based on the current research, the coproduction of CSA cement and sulfuric acid developed through the mass utilization of industrial byproduct gypsum was proven to be feasible As a result of this study, the mass utilization of IBP gypsum and the coproduction of CSA cement and sulfuric acid using IBP gypsum decomposition can be achievedCopreparation of calcium sulfoaluminate cement and sulfuric 2021年3月24日  In 2019, the comprehensive utilization rate of bulk solid waste reached 55%, an increase of 5 percentage points over 2015 Among them, the comprehensive utilization rate of coal gangue, fly ash, industrial byproduct gypsum Guidance on the Comprehensive Utilization of bulk solid wastes 2023年3月8日  The search for ways to utilize and recycle industrial byproducts is the basic principle that governs rational environmental management, synthesis of “green” materials, and appears as one of the main criteria for sustainable development in most countries of the world Gypsumcontaining waste (GCW) derived from industries, represents a largetonnage productThe Production of Gypsum Materials with Recycled Citrogypsum

Utilization of Desulfurization Gypsum to Producing SO

2012年1月1日  Feng J, Jiang S The discussion of desulfurization gypsum and its comprehensive utilization[J] Nonmet Mine 2000;23(6):18–20 MATH Google Scholar Hou K Using flue gas desulfurization gypsum in power plant as cement retard replacing natural gypsum [J] Cement 2005;10:21–3 Google ScholarA large amount of byproduct gypsum is produced in the process of industrial production, comprehensive and highquality utilization has become topical focus in industrial development This paper summarizes the application and technology development status of domestic industrial gypsum in the fields of cement, building materials Resource utilization of Industrial gypsum and its prospect

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