Matches in SemOpenAlex for { <https://semopenalex.org/work/W4386056852> ?p ?o ?g. }
- W4386056852 endingPage "594" @default.
- W4386056852 startingPage "580" @default.
- W4386056852 abstract "Activated Carbon (AC) derived from low-priced biomass materials has been identified as the efficient and cost-effective candidate for low-temperature CO2 adsorption technique performed, though suffering from limited CO2 capture capacity and heterogeneous fluidization in fluidized-bed systems have remained the main challenges for the industrialization of carbonaceous sorbents. Herein, for the first time, the novel, low-cost, and highly fluidizable carbonaceous sorbent derived from waste-based oleaster seed (OS) has been developed through mixing with cost-effective coarse fluid catalytic cracking (FCC) particles. Hydrophobic SiO2 nanoparticles (NPs) which are well-known as highly efficient assistant materials for enhanced fluidization of hard-to-fluidize particles was also tested for the comparison. To determine the best activator and activator/precursor weight ratio, AC sorbent obtained from the pyrolysis of OS was prepared with two disparate activators of KOH and ZnCl2, and the activator/precursor weight ratios of 2, 3, 4, and the outcomes reveal the highest average CO2 capture capacity of 2.78 mmol/g over three successive cycles for KOH-activated sorbent with activator/precursor weight ratio of 2/1. This great OS-derived sorbent was mixed with different wt.% of coarse FCC and SiO2 NPs to boost its fluidity; for which, the bed expansion reached from 1.6 to 3.5, at the gas velocity of 5 cm/s by mixing with 2.5 wt.% FCC, similar to 2.5 wt.% SiO2 NPs-assisted sample. In addition to homogeneous fluidizability, a superior multicyclic stability of 95.5% during 25 multiple adsorption/desorption cycles was also assessed. The highly cost-effective FCC-mixed OS-derived activated carbon with both enhanced fluidity and multicyclic CO2 capture activity is introduced as the low-temperature CO2 capture candidate." @default.
- W4386056852 created "2023-08-23" @default.
- W4386056852 creator A5000742520 @default.
- W4386056852 creator A5038720016 @default.
- W4386056852 creator A5083105413 @default.
- W4386056852 creator A5087441657 @default.
- W4386056852 creator A5092809091 @default.
- W4386056852 date "2023-10-01" @default.
- W4386056852 modified "2023-10-17" @default.
- W4386056852 title "Waste oleaster seed-derived activated carbon mixed with coarse particles of fluid catalytic cracking as a highly-efficient CO2 adsorbent at low temperatures" @default.
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