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Performance of packed bed column using Chara aculeolata biomass for removal of Pb and Cd ions from wastewater
Sooksawat N. - ไม่ระบุหน่วยงาน
ชื่อเรื่อง (EN): Performance of packed bed column using Chara aculeolata biomass for removal of Pb and Cd ions from wastewater
ผู้แต่ง / หัวหน้าโครงการ (EN): Sooksawat N.
บทคัดย่อ (EN): Biosorption of Pb and Cd from aqueous solution by biomass of Chara aculeolata was studied in a continuous packed bed column. C. aculeolata in the fixed bed column is capable of decreasing Pb and Cd concentrations from 10 mg/L to a value below the detection limit of 0.02 mg/L. Selective uptake of Pb and Cd in a binary solution resulted in Pb having much higher relative affinity than Cd. The experiments were conducted to study the effects of column design parameters, bed depth, and flow rate on the metal biosorption. Pb uptake capacity of C. aculeolata increased with increased bed depth and decreased flow rate, while Cd uptake capacity increased with increased bed depth but remained constant at any flow rate. The Thomas model was found in a suitable fitness with the experiment data for Pb and Cd (R2> 0.90). The efficiency of biosorbent regeneration achieved by 0.1 M HCl was very high, that was, 98% for Pb and 100% for Cd in the third reused cycle. It can be concluded that C. aculeolata is a good biosorbent for treating wastewater having low concentrations of Pb and Cd contamination. © 2017 Taylor & Francis Group, LLC.
บทคัดย่อ: ไม่พบข้อมูลจากหน่วยงานต้นทาง
ภาษา (EN): en
เอกสารแนบ (EN): https://www.scopus.com/inward/record.uri?eid=2-s2.0-85013356893&doi=10.1080%2f10934529.2017.1282774&partnerID=40&md5=b96f5eac7e319443089ff9ed9151d274
เผยแพร่โดย (EN): มหาวิทยาลัยมหิดล
คำสำคัญ (EN): Water Pollutants, Chemical
เจ้าของลิขสิทธิ์ (EN): มหาวิทยาลัยมหิดล
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Performance of packed bed column using Chara aculeolata biomass for removal of Pb and Cd ions from wastewater
Sooksawat N.
มหาวิทยาลัยมหิดล
ไม่ระบุวันที่เผยแพร่
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