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Abstract
The rising CO2 concentration has prompted the quest of innovative tools to reduce its effect on the environment. A comparative adsorption study using sustainable low-cost date pits-derived activated carbon and molecular sieve has been carried out for CO2 separation. The adsorb ents were characterized for surface area and morphological properties. The outcomes of flow rate, temperature and initial adsorbate concentration on adsorption performance were examined. The process effectiveness was investigated by breakthrough time, adsorbate loading, efficiency, utilized bed height, mass transfer zone and utilization factor. The immensely steep adsorption response curves demonstrate acceptable utilization of adsorbent capability under breakthrough condition. The adsorbate loading 73.08 mg/g is achieved with an 0.938 column efficiency for developed porous activated carbon at 298 K. The reduced 1.20 cm length of mass transfer zone with enhanced capacity utilization factor equal 0.97 at 298 K with Cin = 5% signifies better adsorption performance for date pits-derived adsorbent. The findings recommend that produced activated carbon is greatly promising to adsorb CO2 in fixed bed column under continuous mode.
Highlights
CO2 ’s increasing volume in the atmosphere is extremely causative to the rise inEarth’s average surface temperature
It was clearly demonstrated that exhaustion and breakthrough longer for produced carbon from date stones compared to that for MS-3Å under different spans longerconditions
The best 13.83 mg/g CO2 loading was achieved at 4 lpm with T = 298 K and Cin = 5% for condition
Summary
CO2 ’s increasing volume in the atmosphere is extremely causative to the rise inEarth’s average surface temperature. CO2 ’s increasing volume in the atmosphere is extremely causative to the rise in. The utmost overbearing problem is the alarming pace by which the CO2 volume in the atmosphere is accelerating [1]. An adsorption is considered a prominent technology to separate CO2 from emissions through a post-combustion process [5,6]. Achievable porous adsorbents were examined extensively to analyze an adsorption performance [8,9,10,11,12,13]. A number of biomass-derived adsorbents have been transformed into porous carbons for CO2 separation by adsorption. Porous fiber was synthesized from biomass waste and reported a good adsorbate loading equal to 1.3 mmol/g [15]. An adsorbent developed by impregnating coal with KOH predicted an adsorbate capacity of 9.1 mmol/g [16]
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