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| 1 | Reaction kinetics modeling for lithium and cobalt recovery from spent lithium-ion batteries using acetic acid显示文摘Lithium and cobalt recovery from spent lithium-ion batteries(LIBs) is a major focus because of their increased production and usage. The conventional method for recycling spent LIBs using inorganic acids produces harmful byproducts. In this work, the leaching agent was substituted with a less expensive and more environmentally friendly alternative—acetic acid—and a mathematical model was developed to describe the kinetics of the recovery process. The variables used were the pH value, temperature, H_2O_2 concentration, and the solid-to-liquid(S/L) ratio. The mathematical model used was the shrinking core model, which was modified to accommodate an equilibrium reaction. The experimental results show that the rate of recovery of Li and Co over time was only affected by temperature. The leaching behaviors of Li and Co were found to oppose each other. An increase in temperature resulted in increased recovery of Li but decreased recovery of Co because of the product-favoring endothermic reaction of Li and the reactant-favoring exothermic reaction of Co. The product of Li has a lower entropy value than the reactant as a free-moving ion, whereas the product of Co leaching has a higher entropy value as a stiff crystal complex. Thus, temperature conditioning is a pivotal factor in the leaching of spent LIBs. | Hendrik Setiawan Himawan Tri Bayu Murti Petrus Indra Perdana | 2019 | International Journal of Minerals,Metallurgy and Materials2019，26，1： | 9 |
| 2 | Dynamic modeling and simulation of eutectic freeze crystallization显示文摘 | Himawan C Vaessen R J C Kramer H J M | 2002 | Journal of Crystal Growth2002，239，4： | 1 |
| 3 | Thermodynamic and kinetic aspects of fat crystallization显示文摘 | HIMAWAN C STAROV V M STAPLEY A G F | | 0，，1： | 1 |
| 4 | Thermodynamic and kinetic aspects of fat crystallization显示文摘 | HIMAWAN C STAROVV M STAPLEY A G F | 2006 | Advances in Colloid and Interface Science2006，122，： | 1 |
| 5 | Demand elasticities of tourism in Singapore显示文摘 | Himawan Gunadhi Chow Kit Boey | 1986 | Tourism Management1986，7，4： | 1 |
| 6 | Basement lithology and its control on sedimentation,trap formation,hydrocarbon migration in Widuri-Intan oilfields,SE Sumatra显示文摘 | Himawan R | 1999 | Journal ofPetroleum Geology1999，22，2： | 1 |
| 7 | A differential scanning calorimetry study of the crystallization kinetics of tristearin-tripalmitin mixtures显示文摘 | W. MacNaughtan I. A. Farhat C. Himawan V. M. Starov A. G. F. Stapley | 2006 | Journal of the American Oil Chemists’ Society2006，，1： | 1 |
| 8 | Thermodynamic and kinetic aspects of fat crystallization 显示文摘 | Himawan C Starovv M Stapley A G F | 2006 | Advances in Colloid and Interface Science2006，122，： | 1 |
| 9 | Study on the re- covery of purified MgSO4 7HzO crystals from indus- trial solution by eutectic freezing 显示文摘 | Himawan C Kramer H Witkamp G | 2006 | Sep Purif Techn- oi2006，50，2： | 1 |
| 10 | Basement lithology and its control on sedimentation,trap formation,hydrocarbon migration in Widuri-Intan oilfields,SE Sumatra显示文摘 | Tonkin P C Himawan R | | 0，，： | 1 |
| 11 | Thermodynamic and kinetic aspects of fat crystallization显示文摘 | HIMAWAN C STAROV V M STAPLEY A G F | 2006 | Advances in Colloid and Interface Science2006，122，13： | 1 |
| 12 | Clustered blind beamforming from Ad-hoc microphone arrays显示文摘 | Himawan I McCowan I and Sridharan S | 2011 | IEEE Trasactions on Audio Speech atd Language Pr''ocessmg2011，19，4： | 1 |
| 13 | Automatic Region-of-Interest Detection and Prioritisation for Visually Optimised Coding of Low Bit Rate Videos显示文摘 | Ivan Himawan Wei Song Dian Tjondronegoro | 2013 | Applications of Computer Vision(WACV) IEEE Conference2013，13，9： | 1 |
| 14 | Thermodynamic and kinetic aspects of fat crystallization 显示文摘 | HIMAWAN C STAROV V M STAPLEY A G F | 2006 | Advances in Colloid and Interface Science2006，122，： | 1 |
| 15 | Thermodynamic and kinetic aspects of fat crystallization 显示文摘 | Himawan C Starov V M Stapley A G | 2006 | Adv Colloid Interface Sci2006，122，13： | 1 |
| 16 | Thermodynamic and kinetic aspects of fat crystallization 显示文摘 | HIMAWAN C STAROV V STAPLEY A | 2006 | Adv Colloid Interface Sci2006，122，1： | 1 |
| 17 | UV-Vis Spectrophotometry and AFM Observation of Diethyl Dithiophosphate Adsorption on Chalcopyrite at Varied pHs显示文摘 | Himawan T. B. M. Petrus Tsuyoshi Hirajima Keiko Sasaki Hideyuki Okamoto | 2011 | Journal of Chemistry and Chemical Engineering2011，5，11： | 1 |
| 18 | Thermodynamic and kinetic aspects of fat crystallization 显示文摘 | Himawan C Starov M Stapley A G F | 2006 | Advances in Colloid and Interface Science2006，122，： | 1 |
| 19 | Characterization and mode of occurrence of rare earth elements and yttrium in fly and bottom ash from coal-fired power plants in Java,Indonesia显示文摘Fly and bottom ash(FABA)produced primarily from coal combustion in a coal-fred power plant consists of fne particles of the organic and inorganic mixture and trace elements.Eight FABA samples from coal-fred power plants in Java,Indonesia,had been collected for composition and rare earth element and Yttrium(REY)mode of occurrence identifcation.The geochemical composition of both major and trace elements was determined by inductively coupled plasma-mass spectrometry/atomic emission spectrometry(ICP-MS/AES).Furthermore,the composition of FABA was identifed by petrography with refected light microscopy and X-ray difraction(XRD)analysis.Simultaneously,scanning electron microscope determines the mode of occurrence of REY with an energy-dispersive X-ray(SEM–EDX).The study fnds that the inorganic component of FABA consists of glass,Fe–Mg spinel,mullite,quartz,Fe-oxide mineral,and K-feldspar.In contrast,the organic component is dominated by unburned coal.Glass is the most abundant component with cenospheres as major and pleiospheres as minor constituents.Trace elements analysis indicates REY concentration with heavy REY(HREY)distribution pattern.Moreover,SEM–EDX analysis results show that Yttrium(Y)occurs in glass and has a low concentration in spinel.From the mode occurrence of REY,in particular Yttrium,it can be predicted that alkaline fusion followed by acid leaching will be the most appropriate extraction method to extract REY from Indonesian FABA. | Dea Anisa Ayu Besari Ferian Anggara Widya Rosita Himawan T.B.M.Petrus | 2022 | International Journal of Coal Science & Technology2022，9，2： | 0 |
| 20 | Age as a predictor of clinical outcomes and determinant of therapeutic measures for emergency medical services treated cardiogenic shock显示文摘BACKGROUND The impact of age on outcomes in cardiogenic shock(CS)is poorly described in the pre-hospital setting.We assessed the impact of age on outcomes of patients treated by emergency medical services(EMS).METHODS This population-based cohort study included consecutive adult patients with CS transported to hospital by EMS.Successfully linked patients were stratified into tertiles by age(18-63,64-77,and>77 years).Predictors of 30-day mortality were assessed through regression analyses.The primary outcome was 30-day all-cause mortality.RESULTS A total of 3523 patients with CS were successfully linked to state health records.The average age was 68±16 years and 1398(40%)were female.Older patients were more likely to have comorbidities including pre-existing coronary artery disease,hypertension,dyslipidemia,diabetes mellitus,and cerebrovascular disease.The incidence of CS was significantly greater with increasing age(incidence rate per 100,000 person years 6.47[95%CI:6.1-6.8]in age 18-63 years,34.34[32.4-36.4]in age 64-77 years,74.87[70.6-79.3]in age>77 years,P<0.001).There was a step-wise increase in the rate of 30-day mortality with increasing age tertile.After adjustment,compared to the lowest age tertile,patients aged>77 years had increased risk of 30-day mortality(adjusted hazard ratio=2.26[95%CI:1.96-2.60]).Older patients were less likely to receive inpatient coronary angiography.CONCLUSION Older patients with EMS-treated CS have significantly higher rates of short-term mortality.The reduced rates of invasive interventions in older patients underscore the need for further development of systems of care to improve outcomes for this patient group. | Xiaoman Xiao Jason E Bloom Emily Andrew Luke P Dawson Ziad Nehme Michael Stephenson David Anderson Himawan Fernando Samer Noaman Shelley Cox William Chan David M Kaye Karen Smith Dion Stub | 2023 | Journal of Geriatric Cardiology2023，20，1： | 0 |
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