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| 1 | Carbonation of calcium-containing mineral and industrial by-products显示文摘The use of carbon dioxide(CO_(2))and calciumcontaining by-products from industrial activities is receiving increasing interest as a route to valuable carbonate materials while reducing CO_(2) emissions and saving natural resources.In this work,wet-chemical experimental data was assessed,which involved the carbonation of three types of materials in aqueous solutions,namely,1)wollastonite,a calcium silicate mineral,2)steelmaking slag,a by-product of steel production,and 3)paper bottom ash(PBA)from waste paper incineration.Aims were to achieve either a high carbonation degree and/or a pure carbonate product with potential commercial value.Producing a pure precipitated calcium carbonate(PCC)material that may find use in paper industry products puts strong requirements on purity and brightness.The parameters investigated were particle size,CO_(2)pressure,temperature,solid/liquid ratio,and the use of additives that affect the solubilities of CO_(2)and/or calcium carbonate.Temperatures and pressures were varied up to 180℃and 4 MPa.Data obtained with the wollastinite mineral allowed for a comparison between natural resources and the industrial by-product materials,the latter typically being more reactive.With respect to temperature and pressure trends reported by others were largely confirmed,with temperatures above 150℃introducing thermodynamic limitations depending on CO_(2)pressure.The influence of additives showed some promise,although costs may make recycling and reuse of additives a necessity for a largescale process.When using steelmaking slag,magnetic separation may remove some iron-containing material from the process(although this is far from perfect),while the addition of bicarbonate supported the removal of phosphorous,aside from improving calcium extraction.The experiments with paper bottom ash(PBA)gave new data,showing that its reactivity resembles that of steelmaking slag,while its composition results in relatively pure carbonate product.Also,with PBA no additives were needed to achieve this. | Ron ZEVENHOVEN Anders WIKLUND Johan FAGERLUND Sanni ELONEVA Ben IN’T VEEN Hans GEERLINGS Gert VAN MOSSEL Harold BOERRIGTER | 2010 | Frontiers of Chemical Science and Engineering2010，4，2： | 2 |
| 2 | Sulfuric acid leaching kinetics of South African chromite显示文摘The sulfuric acid leaching kinetics of South African chromite was investigated. The negative influence of a solid product layer constituted of a silicon-rich phase and chromium-rich sulfate was eliminated by crushing the chromite and by selecting proper leaching conditions. The dimensionless change in specific surface area and the conversion rate of the chromite were observed to exhibit a proportional relationship. A modified shrinking particle model was developed to account for the change in reactive surface area, and the model was fitted to experimental data. The resulting model was observed to describe experimental findings very well. Kinetics analysis revealed that the leaching process is controlled by a chemical reaction under the employed experimental conditions and the activation energy of the reaction is 48 kJ ·mol–1. | Qing Zhao Cheng-jun Liu Pei-yang Shi Bo Zhang Mao-fa Jiang Qing-song Zhang Ron Zevenhoven Henrik Saxén | 2015 | International Journal of Minerals,Metallurgy and Materials2015，22，3： | 2 |
| 3 | The Nspla and nspl显示文摘 | KROESE M V ZEVENHOVEN D J C BOS D R J N | 2008 | J Gen Virol2008，89，2： | 1 |
| 4 | Emission from large scale medium speed diesel engines: influence of fuel type and operating mode显示文摘 | Sarvi A Fogelholm C J Zevenhoven R | 2008 | Fuel Processing Technology2008，89，： | 1 |
| 5 | Suppression of anoikis and induction of metastasis by the neurotrophic receptor TrkB 显示文摘 | Douma S Van-Laar T Zevenhoven J | 2004 | Nature2004，430，7003： | 1 |
| 6 | Suppression of anoikis and induction of metastasis by the neurotrophic receptor TrkB显示文摘 | Douma S Van Laar T Zevenhoven J | 2004 | Nature2004，430，7003： | 1 |
| 7 | Modeling of sulfided zinc titanate regeneration in a fluidized-bed reactor:1 Determination of the solid conversion rate model parameters显示文摘 | KONTTINEN J T ZEVENHOVEN C A P YRJAS K P HUPA M M | 1997 | Ind Eng Chem Res1997，36，12： | 1 |
| 8 | Pyrolysis of wastederived fuel mixtures containing PVC显示文摘 | Zevenhoven R Axelsen E P Hupa M | 2002 | Fuel2002，81，4： | 1 |
| 9 | Pim1 regulates androgen-dependent survival signaling in prostate cancer cells显示文摘 | van der Poel HG Zevenhoven J Bergman AM | | 0，，02： | 1 |
| 10 | The prediction of behavior of ashes from five different solid fuels in fluidized bed combustion显示文摘 | Zevenhoven M | 2000 | Fuel2000，，79： | 1 |
| 11 | Pyrolysis of waste-derived fuel mixtures containing PVC显示文摘 | Zevenhoven R Axelsen E P Hupa M | 2002 | Fuel2002，81，4： | 1 |
| 12 | Suppression of anoikis and induction of metastasis by the neurotrophic receptor TrkB 显示文摘 | Douma S Vanlaar T Zevenhoven J | 2004 | Nature2004，430，7003： | 1 |
| 13 | Production of precipitated calcium carbonate from calcium silicates and carbon dioxide显示文摘 | Sebastian Teir Sanni Eloneva Ron Zevenhoven | 2005 | Energy Conversion and Management2005，46，1819： | 1 |
| 14 | Sulfur Dioxide Capture under PFBC conditions:the influence of sorbent particle structure显示文摘 | Ron Zevenhoven etc | 1998 | Fuel1998，77，4： | 1 |
| 15 | Mercury flow via coal and coal utilization byproducts: a global perspective显示文摘 | Mukherjee A B Zevenhoven R Bhattaeharya P | 2008 | Resources Conservation and Recycling2008，52，： | 1 |
| 16 | Pyrolysis of waste-derived fuel mixtures containing PVC 显示文摘 | Zevenhoven R Axelsen E P Hupa M | 2002 | Fuel2002，81，4： | 1 |
| 17 | Chemical fixation of CO2 in carbonates: Routes to valuable products and long-term storage显示文摘 | Zevenhoven R Eloneva S Teir S | 2006 | Catalysis Today2006，115，1： | 1 |
| 18 | The relative contribution of waste heat from power plants to global warming显示文摘 | Zevenhoven R Beyene A | 2011 | Energy2011，36，： | 1 |
| 19 | Production of precipitated calcium carbonate from calcium silicates and carbon dioxide显示文摘 | Sebastian Teir Sanni Eloneva Ron Zevenhoven | 2005 | Energy Conversion and Management2005，46，： | 1 |
| 20 | Suppression of anoikis and induction of metastasis by the neurotrophic receptor TrkB显示文摘 | Douma S Van Laar T Zevenhoven J | 2004 | Nature2004，430，7003： | 1 |
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