Chromium(VI) Removal Using Activated Thuja Occidentalis Leaves Carbon Powder – Adsorption Isotherms and Kinetic Studies

Simple item page
dc.citation.epage371
dc.citation.issue3
dc.citation.spage362
dc.contributor.affiliationGMR Institute of Technology
dc.contributor.affiliationAndhra Polytechnic
dc.contributor.authorRao, Vaddi Dhilleswara
dc.contributor.authorRao, Mushini Venkata Subba
dc.contributor.authorM. P. S. Murali Krishna
dc.coverage.placenameЛьвів
dc.coverage.placenameLviv
dc.date.accessioned2024-01-09T08:54:32Z
dc.date.available2024-01-09T08:54:32Z
dc.date.created2020-03-16
dc.date.issued2020-03-16
dc.description.abstractДосліджено адсорбційну здатність карбонового порошку з листя туї західної (Thuja occidentalis) для витіснення хрому(VI) з водних розчинів. Встановлено, що кількість видаленого Cr(VI) залежить від рН, часу встановлення рівноваги, кількості адсорбенту і концентрації Cr(VI). За допомогою методів Фур‘є-спектроскопії, скануючої електронної мікроскопії та енергодисперсійної рентгенівської спектроскопії визначено характеристики адсорбенту до і після адсорбції Cr(VI). Одержаним ізотермам адсорбції найбільше відповідає модель Ленгмюра. Згідно кінетичних досліджень, найкращою є модель псевдо-другого порядку. Показана можливість легкої регенерації адсорбенту та його використання для кількох циклів адсорбції/десорбції.
dc.description.abstractThis study investigates the capability of Thuja occidentalis leaves carbon powder (TOLC) as a viable adsorbent for the expulsion of chromium(VI) from aqueous solutions. By batch mode, the removal percentage of Cr(VI) is observed to be pH perceptive and furthermore relies upon the time of equilibration, amount of the TOLC adsorbent and Cr(VI) concentration. TOLC adsorbent before and after adsorption of Cr(VI) was characterized with FTIR, SEM and EDX. Adsorption isotherm results divulge that the Langmuir model was a better fit. The kinetic studies divulge that the pseudosecondorder model was the best fit. TOLC adsorbent can be easily regenerated and utilised for several adsorption/desorption cycles.
dc.format.extent362-371
dc.format.pages10
dc.identifier.citationRao V. D. Chromium(VI) Removal Using Activated Thuja Occidentalis Leaves Carbon Powder – Adsorption Isotherms and Kinetic Studies / Vaddi Dhilleswara Rao, Mushini Venkata Subba Rao, M. P. S. Murali Krishna // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2020. — Vol 14. — No 3. — P. 362–371.
dc.identifier.citationenRao V. D. Chromium(VI) Removal Using Activated Thuja Occidentalis Leaves Carbon Powder – Adsorption Isotherms and Kinetic Studies / Vaddi Dhilleswara Rao, Mushini Venkata Subba Rao, M. P. S. Murali Krishna // Chemistry & Chemical Technology. — Lviv : Lviv Politechnic Publishing House, 2020. — Vol 14. — No 3. — P. 362–371.
dc.identifier.doidoi.org/10.23939/chcht14.03.362
dc.identifier.urihttps://ena.lpnu.ua/handle/ntb/60667
dc.language.isoen
dc.publisherВидавництво Львівської політехніки
dc.publisherLviv Politechnic Publishing House
dc.relation.ispartofChemistry & Chemical Technology, 3 (14), 2020
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dc.rights.holder© Національний університет “Львівська політехніка”, 2020
dc.rights.holder© Rao VD, Rao MVS, Krishna M., 2020
dc.subjectлистя Thuja оccidentalis
dc.subjectадсорбція Cr(VI)
dc.subjectізотерми адсорбції
dc.subjectкінетика
dc.subjectThuja occidentalis leaves
dc.subjectCr(VI) adsorption
dc.subjectadsorption isotherm
dc.subjectkinetics
dc.titleChromium(VI) Removal Using Activated Thuja Occidentalis Leaves Carbon Powder – Adsorption Isotherms and Kinetic Studies
dc.title.alternativeВидалення хрому(VI) з використанням карбонового порошку з листя thuja occidentalis – ізотерми адсорбції та кінетичні дослідження
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Chemistry & Chemical Technology. – 2020. – Vol. 14, No. 3