2018
DOI: 10.1016/j.colsurfa.2018.09.054
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Magnetic lignin-based carbon nanoparticles and the adsorption for removal of methyl orange

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Cited by 105 publications
(24 citation statements)
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“…The maximum adsorption capacity determined from the Langmuir model was 1189.29 mg/g for a temperature of 303 K. It is known that the constant R L in the Langmuir equation is an important index for measuring the stability of the adsorbent/adsorbate complex. R L = 1 represents linear behavior; 0 < R L < 1, favorable to adsorption; R L = 0, irreversible [ 38 ]. In this study, the separation factor R L of the adsorption was found to be over a range of rather low values (max.…”
Section: Resultsmentioning
confidence: 99%
“…The maximum adsorption capacity determined from the Langmuir model was 1189.29 mg/g for a temperature of 303 K. It is known that the constant R L in the Langmuir equation is an important index for measuring the stability of the adsorbent/adsorbate complex. R L = 1 represents linear behavior; 0 < R L < 1, favorable to adsorption; R L = 0, irreversible [ 38 ]. In this study, the separation factor R L of the adsorption was found to be over a range of rather low values (max.…”
Section: Resultsmentioning
confidence: 99%
“…To enable applications of carbonized lignin as a substitute for carbon black from other sources, detailed knowledge of its properties is required. Lignin-based carbons are often characterized chemically or by spectroscopical means only [ 15 ], but little has been reported about morphology, including porosity [ 16 , 17 ]. The pore size in the nm range was, e.g., measured for activated carbons derived from lignin by N 2 and CO 2 sorption [ 18 ].…”
Section: Introductionmentioning
confidence: 99%
“…Core–shell nanohybrids comprising a lignin-derived carbon external layer have been also developed for other applications. Microporous magnetic carbon materials derived from lignin were fabricated by coating lignin onto iron oxide NPs via precipitation and subsequent calcination of the complex under a nitrogen atmosphere at 500 °C for 3 h. 358 Such carbonization conditions do not remove the O–H groups and C–C bonds of the native lignin from the surface and allow the formation of amorphous carbon with abundant pores of 77 nm in average, providing suitable supports for the removal of pollutants ( e.g. , adsorption of methyl orange of 113 mg g −1 ).…”
Section: Lignin-based Nanohybridsmentioning
confidence: 99%