E-ISSN 2090-0503 | ISSN 1687-7497
 
2023, Vol: 19, Issue: 2
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Original Research 


BIOREMOVAL OF TOXIC HEAVY METALS FROM INDUSTRIAL EFFLUENTS BY FIXED-BED COLUMNS OF BROWN ALGAE

Ibrahim W. Mohamed Abdel-Hamid M. Ismail Azab Y. Abd El-Fatah.

Abstract
Some industrial processes result in the release of heavy metals in the natural water systems. In the present study, four dried brown algal biomasses; Colpomenia sinuosa, Cystoseira trinodis, Padina pavonica and Sargassum asperifolium were used to build up four types of fixed-bed columns for removal of toxic heavy metal ions Cd2+, Pb2+, Cu2+, Co2+, Zn2+, Mn2+, Ni2+, Fe2+, and Cr3+ from two chemical industrial effluents. The highest efficiency of metal ion bioremoval was recorded for algal column of C. sinuosa followed by S. asperifolium then C. trinodis and P. pavonica with mean metal removal values of 91%, 88%, 82% and 74%, respectively. Biological treatments of two industrial effluents with algal columns were capable to reduce effluent toxicities, using standard algal biotest of Pseudokirchneriella subcapitata, from 13% to 53% and 34% to 98%. Thus, brown algal column may be considered as an inexpensive and efficient alternative technology for sequestering heavy metal ions from industrial effluents in continuous flow processes.

Key words: Brown algae, fixed-bed columns, heavy metals, bioremoval, toxicity assessment


 
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Pubmed Style

Ibrahim W. Mohamed Abdel-Hamid M. Ismail Azab Y. Abd El-Fatah. BIOREMOVAL OF TOXIC HEAVY METALS FROM INDUSTRIAL EFFLUENTS BY FIXED-BED COLUMNS OF BROWN ALGAE. Egypt. J. Exp. Biol. (Bot.). 2011; 7(2): 203-209.

Web Style

Ibrahim W. Mohamed Abdel-Hamid M. Ismail Azab Y. Abd El-Fatah. BIOREMOVAL OF TOXIC HEAVY METALS FROM INDUSTRIAL EFFLUENTS BY FIXED-BED COLUMNS OF BROWN ALGAE. https://www.egyseb.net//?mno=186946 [Access: December 05, 2023].

AMA (American Medical Association) Style

Ibrahim W. Mohamed Abdel-Hamid M. Ismail Azab Y. Abd El-Fatah. BIOREMOVAL OF TOXIC HEAVY METALS FROM INDUSTRIAL EFFLUENTS BY FIXED-BED COLUMNS OF BROWN ALGAE. Egypt. J. Exp. Biol. (Bot.). 2011; 7(2): 203-209.


Vancouver/ICMJE Style

Ibrahim W. Mohamed Abdel-Hamid M. Ismail Azab Y. Abd El-Fatah. BIOREMOVAL OF TOXIC HEAVY METALS FROM INDUSTRIAL EFFLUENTS BY FIXED-BED COLUMNS OF BROWN ALGAE. Egypt. J. Exp. Biol. (Bot.). (2011), [cited December 05, 2023]; 7(2): 203-209.


Harvard Style

Ibrahim W. Mohamed Abdel-Hamid M. Ismail Azab Y. Abd El-Fatah (2011) BIOREMOVAL OF TOXIC HEAVY METALS FROM INDUSTRIAL EFFLUENTS BY FIXED-BED COLUMNS OF BROWN ALGAE. Egypt. J. Exp. Biol. (Bot.), 7 (2), 203-209.


Turabian Style

Ibrahim W. Mohamed Abdel-Hamid M. Ismail Azab Y. Abd El-Fatah. 2011. BIOREMOVAL OF TOXIC HEAVY METALS FROM INDUSTRIAL EFFLUENTS BY FIXED-BED COLUMNS OF BROWN ALGAE. THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany), 7 (2), 203-209.


Chicago Style

Ibrahim W. Mohamed Abdel-Hamid M. Ismail Azab Y. Abd El-Fatah. "BIOREMOVAL OF TOXIC HEAVY METALS FROM INDUSTRIAL EFFLUENTS BY FIXED-BED COLUMNS OF BROWN ALGAE." THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany) 7 (2011), 203-209.


MLA (The Modern Language Association) Style

Ibrahim W. Mohamed Abdel-Hamid M. Ismail Azab Y. Abd El-Fatah. "BIOREMOVAL OF TOXIC HEAVY METALS FROM INDUSTRIAL EFFLUENTS BY FIXED-BED COLUMNS OF BROWN ALGAE." THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany) 7.2 (2011), 203-209. Print.


APA (American Psychological Association) Style

Ibrahim W. Mohamed Abdel-Hamid M. Ismail Azab Y. Abd El-Fatah (2011) BIOREMOVAL OF TOXIC HEAVY METALS FROM INDUSTRIAL EFFLUENTS BY FIXED-BED COLUMNS OF BROWN ALGAE. THE EGYPTIAN JOURNAL OF EXPERIMENTAL BIOLOGY (Botany), 7 (2), 203-209.


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