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
Calcium sulfate whisker environmental assessment
纤维素纳米晶和硫酸钙晶须的清洁生产：工艺设计和
2023年7月18日 Here, a combined process integrating the production of CNCs and calcium sulfate whiskers (CSWs) was proposed to achieve complete utilization of the waste acid, and 2021年3月25日 Calcium sulfate whiskers were prepared under hydrothermal conditions by a onestep method using semidry flue gas desulfurization ash with iron ore sintering as the raw Calcium sulfate whisker onestep preparation using semidry flue 2024年3月2日 The crystalline nature of calcium sulfate whiskers contributes to their impressive chemical stability, rendering them resistant to degradation when exposed to diverse Calcium Sulphate Whiskers (CSW) an innovative material for civil 2023年7月18日 Here, a combined process integrating the production of CNCs and calcium sulfate whiskers (CSWs) was proposed to achieve complete utilization of the waste acid, and Cleaner production of cellulose nanocrystals and calcium sulfate
Preparation of Calcium Sulfate Whisker by Atmospheric
2016年1月1日 In this paper, calcium sulfate whisker (CSW) was synthesized from flue gas desulfurization (FGD) gypsum using atmospheric acidification method The influence of the This study investigated the feasibility of using anhydrous calcium sulfate whiskers (ACSW) and waste cooking oil (WCO), two types of recycled waste, to improve the properties of compound Experimental Investigation of EcoFriendly Anhydrous Calcium 2023年7月18日 Semantic Scholar extracted view of "Cleaner production of cellulose nanocrystals and calcium sulfate whiskers: Process design and life cycle assessment" by Lei Cleaner production of cellulose nanocrystals and calcium sulfate 2021年12月28日 In this study, anhydrous calcium sulfate nanowhiskers were obtained by calcium carbonate and mixed acid in the microemulsion solution at room temperature The Onestep synthesis of nanoscale anhydrous calcium sulfate
Application of Calcium Sulfate Whiskers to CementBased
In recent years, significant attention has been paid to the use of calcium sulfate whiskers (CSWs) to enhance the performance of cementbased materials (CBM) This technology has attracted 2024年3月2日 Dong et al studied calcium sulfate hemihydrate (HH) whiskers prepared from phosphogypsum (PG) in a hydrothermal system They found that surface treatment with stearic acid (SA) and silane coupling agent (SCA) improved whiskermatrix adhesion in PP composites Adding 10 wt% calcium sulfate whiskers (CSW) to PP composites maximized tensile strengthCalcium Sulphate Whiskers (CSW) an innovative material for civil 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 Resource utilization of flue gas calciumbased desulfurization ash: 2023年10月1日 Environmental risk assessment of industrial byproduct gypsum utilized for filling abandoned mines Int J Coal Sci Technol (2022) Surface modification of calcium sulfate whisker prepared from flue gas desulfurization gypsum Applied Surface Science, Volume 360, Part A, 2016, pp 263269Facile preparation of αcalcium sulfate hemihydrate whisker
Hydrothermal synthesis of calcium sulfate whisker from flue gas
Key words: Calcium sulfate whisker, Hydrothermal, Synthesis, Environment 摘要： Plenty of flue gas desulfurization (FGD) gypsum generated from coalfired power plants for sulfur dioxide sequestration caused many environmental issuesPreparing calcium sulfate whisker (CSW) from FGD gypsum by hydrothermal synthesis is considered to be a promising approach to solve 2017年9月4日 As a recycled material, flue gas desulfurization gypsum has been used to prepare calcium sulfate hemihydrate whisker (CSHW) through hydrothermal synthesis for several decadesCalcium Sulfate Hemihydrate Whiskers Obtained from Flue Gas 2020年8月1日 In this paper, the solid waste desulfurization gypsum produced by coalfired power plants was used as a raw material to prepare calcium sulfate whiskers with high application prospects Calcium sulfate whiskers with uniform morphology and high aspect ratio can be prepared by hydrothermal method in sulfuric acid solution A new process of desulfurization Calcium sulfate whisker prepared by flue gas desulfurization 2023年6月14日 Calcium sulfate whiskers (CSWs) were synthesized using purified fluegas desulfurization (FGD) gypsum as raw materials using a hydrothermal method, where the filtrate was recycled back to the reaction slurry The study investigated the impact of pH and Cu2+ concentration in the reaction solution with or without reagent compensation The effects of A Feasible Route for Preparation of Calcium Sulfate Whiskers
Cleaner production of cellulose nanocrystals and calcium sulfate
2023年7月18日 Preparing calcium sulfate whisker The environmental assessment of such methods is important to continually improve the performance of new nanomaterials throughout the innovation process, 2024年3月15日 The αcalcium sulfate hemihydrate whiskers (αCSHWs) were first prepared using phosphogypsum (PG) and electrolytic manganese residue (EMR) as raw materials for coating urea, demonstrating Synergistic preparation and application in PCU of αcalcium sulfate 2023年10月1日 Facile preparation of αcalcium sulfate hemihydrate whisker from byproduct gypsum in chloridefree salt solution system Author links open overlay panel Wei Wang a b, Baolin Integrated assessment of the environmental and economic effects of resource utilization process for lime/gypsum flue gas desulfurization collaborative Facile preparation of αcalcium sulfate hemihydrate whisker 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 Environmental risk assessment of industrial byproduct gypsum
Progress in the preparation and application of calcium
The calcium sulfate whiskers(CSW), made from gypsum mine or desulfurized gypsum, are a kind of industrial byproduct They are subnanofibrous materials used as the modifying agents, with good shape, large lengthdiameter ratio, Lactic acid gypsum (LAG), the byproduct from lactic acid preparation, has caused land occupation and environmental pollution Herein, hemihydrate gypsum (HHG) whisker, an inorganic material with excellent performance, prepared using LAG as the raw material via atmospheric pressure salt solution method was investigated Nitrate enhanced the salt effect Facile preparation of αcalcium sulfate hemihydrate whisker 2020年8月1日 Calcium sulfate whisker is a kind of inorganic nonmetallic material with highly ordered atoms and relatively complete crystal structure [13]The excellent physical and chemical properties of calcium sulfate whiskers make it suitable for many applications [14]Calcium sulfate whiskers have excellent mechanical properties and can be used as reinforcing components of Calcium sulfate whisker prepared by flue gas desulfurization DOI: 101016/JPROENV201602112 Corpus ID: ; Preparation of Calcium Sulfate Whisker by Atmospheric Acidification Method from Flue Gas Desulfurization Gypsum @article{Sun2016PreparationOC, title={Preparation of Calcium Sulfate Whisker by Atmospheric Acidification Method from Flue Gas Desulfurization Gypsum}, author={Hongjuan Sun and [PDF] Preparation of Calcium Sulfate Whisker by Atmospheric
(PDF) Preparation of Calcium Sulfate Whisker by Atmospheric
2016年12月31日 PDF In this paper, calcium sulfate whisker concentration on CSHW morphology were also studied by environmental scanning a thorough assessment and comparison with 2021年12月5日 A convenient and effective method was developed to fabricate zirconiumbased calcium sulfate whiskers (ZrCSWs), an environmentally friendly adsorption material designed to clean excessive fluoride from wastewater ZrCSWs, which potentially provide high adsorption activity toward fluoride in wastewater, overcome an aggregation problem typical of Zrbased Efficient removal of fluoride from neutral wastewater by green 2 Preparation Methods and Basic Properties of Calcium Sulfate Whisker Materials 21 Preparation Methods of CSWs CSWs preparation involves the conversion of granular gypsum (calcium sulfate dihydrate) into fibrous, anhydrous calcium sulfate Equations (1)–(4) represent the process of solution dissolution and dissociation equilibrium [16]Application of Calcium Sulfate Whiskers to CementBased 2020年2月16日 Abstract In order to investigate the influence of calcium sulfate whisker (CSW) on the high temperature performance of asphalt binder, two types of CSW, calcium sulfate hemihydrates whisker (HCSW) and calcium sulfate anhydrous whisker (ACSW), were used The rheological properties and thermal stability performance of CSW modified asphalt were studied Influence of calcium sulfate whisker on the high temperature
Facile preparation of αcalcium sulfate hemihydrate whisker
2023年10月1日 @article{Wang2023FacilePO, title={Facile preparation of $\alpha$calcium sulfate hemihydrate whisker from byproduct gypsum in chloridefree salt solution system}, author={Wen Wang and Baolin Xia and Xinyan Suo and Weijun Peng and Ling Zhang and Yijun Cao and Yukun Huang and Guixia Fan}, journal={Journal of Environmental Chemical 2021年3月25日 Calcium sulfate whiskers were prepared under hydrothermal conditions by a onestep method using semidry flue gas desulfurization ash with iron ore sintering as the raw material The effects of temperature, time, speed, and other factors on the calcium sulfate whiskers morphology and growth rule were systematically studied in a highpressure Calcium sulfate whisker onestep preparation using semidry 2015年8月4日 For example, the calcium sulfate whiskers with a diameter of 10–30 μm, a length of 20–80 μm, and an aspect ratio of 10–50 were prepared from the nonsintered raw material, while calcium sulfate whiskers with a diameter of 02–08 μm, a length of 30–240 μm, and an aspect ratio of 180–360 were produced from sintered raw materialSynthesis of calcium sulfate hemihydrate whiskers using oyster The addition of Calcium Sulfate Whisker as an activator enhances the binder's properties by increasing its strength, durability, resistance to environmental factors, and overall structural integrity The effects of different reaction parameters on the properties and microstructure of CSW have been studiedSynthesis of calcium sulfate whiskers via acidification exploiting
Calcium Sulfate Hemihydrate Whiskers Obtained from Flue
2017年9月4日 Abstract: As a recycled material, flue gas desulfurization gypsum has been used to prepare calcium sulfate hemihydrate whisker (CSHW) through hydrothermal synthesis for several decades However, the subsequent utilization of this resultant material has not yet received considerable attention In the present research, CSHW was successfully synthesized 2018年7月4日 Calcium sulfate whisker (CSW) is a singlecrystal fiber with an aspect ratio of 30–80 μm [1–3], and it has wide applications as insulating [], abrasive [5, 6], adsorbent [], coating [] and biomedical materials [9–11] due to its excellent properties such as high strength, nontoxicity, high chemical resistance, good thermal stability, low cost, and almost no internal In situ synthesis of hydrophobic calcium sulfate IOPscienceFigure 20 shows radiographic assessment of OsteoSet® resorbable beads filled in the bone void of 40yearold female resulting from osteomyelitis taken at: (a) Modified calcium sulfate whisker (CSW) was prepared from flue gas desulfurization This combination makes them useful environmental dosimeters, Calcium Sulfate an overview ScienceDirect TopicsDownload Citation On Jun 1, 2023, Wei Wang and others published Facile preparation of αcalcium sulfate hemihydrate whisker from byproduct gypsum in chloridefree salt solution system Find Facile preparation of αcalcium sulfate hemihydrate whisker
土木工程学院
近年来主要论文 【41】 Similarity analysis of randomness in instantaneous chloride diffusion coefficient of concrete under different environmental exposures [J] Case Studies in Construction Materials,2024,21:e03430 【40】 Effects of calcium sulfate whiskers and basalt fiber on gas permeability and microstructure of concrete[J]Construction and Building 2020年7月2日 Methods obtaining gypsum whiskers via calcining dihydrate or hemihydrate gypsum perform high energy consumption It also performs potential environmental impacts New methods with energysaving, highefficiency, and environmentally friendly perform great challenges, which aim at fabricating gypsum whiskers even nanowhiskers In this study, we Microemulsion synthesis of anhydrous calcium sulfate DOI: 101016/jjobe2022 Corpus ID: ; Effect of mixed basalt fiber and calcium sulfate whisker on chloride permeability of concrete @article{Zhang2022EffectOM, title={Effect of mixed basalt fiber and calcium sulfate whisker on chloride permeability of concrete}, author={Junzhi Zhang and Jiayi Jin and Baoling Guo and Jiandong Wang and Chuanqing Fu Effect of mixed basalt fiber and calcium sulfate whisker on 2024年3月2日 Dong et al studied calcium sulfate hemihydrate (HH) whiskers prepared from phosphogypsum (PG) in a hydrothermal system They found that surface treatment with stearic acid (SA) and silane coupling agent (SCA) improved whiskermatrix adhesion in PP composites Adding 10 wt% calcium sulfate whiskers (CSW) to PP composites maximized tensile strengthCalcium Sulphate Whiskers (CSW) an innovative material for civil
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 2023年10月1日 Environmental risk assessment of industrial byproduct gypsum utilized for filling abandoned mines Int J Coal Sci Technol (2022) Surface modification of calcium sulfate whisker prepared from flue gas desulfurization gypsum Applied Surface Science, Volume 360, Part A, 2016, pp 263269Facile preparation of αcalcium sulfate hemihydrate whisker Key words: Calcium sulfate whisker, Hydrothermal, Synthesis, Environment 摘要： Plenty of flue gas desulfurization (FGD) gypsum generated from coalfired power plants for sulfur dioxide sequestration caused many environmental issuesPreparing calcium sulfate whisker (CSW) from FGD gypsum by hydrothermal synthesis is considered to be a promising approach to solve Hydrothermal synthesis of calcium sulfate whisker from flue gas 2017年9月4日 As a recycled material, flue gas desulfurization gypsum has been used to prepare calcium sulfate hemihydrate whisker (CSHW) through hydrothermal synthesis for several decadesCalcium Sulfate Hemihydrate Whiskers Obtained from Flue Gas
Calcium sulfate whisker prepared by flue gas desulfurization
2020年8月1日 In this paper, the solid waste desulfurization gypsum produced by coalfired power plants was used as a raw material to prepare calcium sulfate whiskers with high application prospects Calcium sulfate whiskers with uniform morphology and high aspect ratio can be prepared by hydrothermal method in sulfuric acid solution A new process of desulfurization 2023年6月14日 Calcium sulfate whiskers (CSWs) were synthesized using purified fluegas desulfurization (FGD) gypsum as raw materials using a hydrothermal method, where the filtrate was recycled back to the reaction slurry The study investigated the impact of pH and Cu2+ concentration in the reaction solution with or without reagent compensation The effects of A Feasible Route for Preparation of Calcium Sulfate Whiskers2023年7月18日 Preparing calcium sulfate whisker The environmental assessment of such methods is important to continually improve the performance of new nanomaterials throughout the innovation process, Cleaner production of cellulose nanocrystals and calcium sulfate 2024年3月15日 The αcalcium sulfate hemihydrate whiskers (αCSHWs) were first prepared using phosphogypsum (PG) and electrolytic manganese residue (EMR) as raw materials for coating urea, demonstrating Synergistic preparation and application in PCU of αcalcium sulfate
Facile preparation of αcalcium sulfate hemihydrate whisker
2023年10月1日 Facile preparation of αcalcium sulfate hemihydrate whisker from byproduct gypsum in chloridefree salt solution system Author links open overlay panel Wei Wang a b, Baolin Integrated assessment of the environmental and economic effects of resource utilization process for lime/gypsum flue gas desulfurization collaborative