Abstract
The sorption capability of zirconium coupled sodium alginate beads of steam activated biochar derived from date seed (Zr(DSPB)Al) was explored towards Ibuprofen (IBP) removal from simulated water solution in a static bed column. The impact of governing variables viz. column bed height (5–25 cm), influent (IBP) concentration (10–30 mg L−1) and inflow rate (2–6 mL min−1) was investigated in the present study. The column experimentation reflected that with an increase in column bed length, the breakthrough curve height was increased. The maximum sorbent uptake was found to be 23.33 mg g−1 from an optimal column bed height of 20 cm, influent (IBP) concentration of 30 mg L−1 and inflow rate of 2 mL min−1 with the achievement of 94.86% of IBP removal. The bed depth service model (BDST) was studied to examine the sorbent's efficacy and it was observed that column bed height was one of the effective factors towards effective IBP sorption. The Yoon–Nelson model and Thomas model corroborated extremely well with the experimental findings. The desorption study presented a sorbent efficiency up to 5 cycles for IBP exclusion with 37.59% regeneration of the column. The investigation indicated that the novel sorbent Zr(DSPB)Al with proficient performance could be successfully applied for IBP elimination from aqueous solutions.
Highlights
Consequent environmental degradation through pharmaceutical contaminants is considered to be one of the growing scienti c concerns in the present day
Increasing global consumption of pharmaceutical compounds shows that the existence of pharmaceutical effluent exclusively non-steroidal antiin ammatory drugs (NSAIDs) is striking a key anxiety to researchers due to their harmful effects mainly when these components exist as complex mixtures on marine ecosystems and human health.[2,3]
The performance of static bed column was designated by breakthrough volume (BV) of column which signi ed as a ratio of Ce/Ci where, Ce implies effluent concentration at function time t in min and Ci designates in uent concentration in mg LÀ1
Summary
Consequent environmental degradation through pharmaceutical contaminants is considered to be one of the growing scienti c concerns in the present day. The present exploration investigates the efficacy of date seed derived alginate beads for IBP sorption in column study which substantiates it as an innovative approach to the scienti c community towards IBP removal from simulated water. The novelty of the present research lies in the sorptive riddance of ibuprofen in a static bed column reactor employing zirconium caged date seed derived steam activated alginate beads, the efficacy assessment and the costeffectiveness of the engineered sorbent towards larger scale application. Zirconium con ned steam activated date seed biochar alginate bead (Zr(DSPB)Al) as a novel sorbent is expected to produce remarkable efficiency in IBP reduction from waste water in static bed column reactor
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