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391978

Are Normal and N-doped Hydrochars Efficient Enough for Removal of Pb(II) from Contaminated Waters?

Article

Last updated: 01 Jan 2025

Subjects

-

Tags

Soil degradation control, remediation and reclamation

Abstract

WATER pollution possesses a potential threat to the surrounding ecosystem. Thus, the current study investigates the efficiency of using two safe organic products, named hydrochar and N-doped hydrocar for removal of Pb(II) from contaminated waters. To attain this aim, sugarcane bagasse was collected then pyrolyzed (+/-NH3) in an electric furnace at 200 ̊C for 24 h. Thereafter, the efficiency of each organic product for removal of Pb(II) from a water artificially polluted with Pb(II) (55 mg Pb L-1) was tested individually. These hydrochars were added at a rate of 0.25g to purify 500 mL of contaminated water. Throughout the experimental period, water samples were collected periodically at 13 time periods starting from the zero time up to 360 min of contact with 30 min time intervals. Key results indicate that application of hydrochar remarkably diminished soluble Pb(II) concentrations. In this concern, Pb(II) sorption occurred from the beginning of contact with experiment up to 150 min of contact, recording approximately 70% Pb(II) removal efficiency. Thereafter significant increases in soluble Pb(II) occurred, which accounted for about 50% of the sorbed Pb(II) amount. On the other hand, N-doped hydrochar lessened considerably Pb sorption (≈3 folds) and, at the same time, accelerated its desorption. Kinetics of Pb(II) desorption by using both types of hydrochars followed the inverse third-order model. These results supported our main hypothesis, while raises doubts about the feasibility of using hydrochars for successful decontamination of waters polluted with Pb(II). Future perspectives are needed to find out better modifications of hydrochar for effective removal of contaminants from wastewaters and investigate the mechanisms beyond their modes of action.

DOI

10.21608/ejss.2024.319772.1855

Keywords

Hydrochar, N-dopped hydrochar, lead contamionation, Pb desorption kinetics

Authors

First Name

Amany

Last Name

Gameel

MiddleName

-

Affiliation

An independent researcher

Email

mo.abbas.2025@gmail.com

City

-

Orcid

-

First Name

Hossam

Last Name

Jahin

MiddleName

-

Affiliation

Central Laboratory for Environmental Quality Monitoring, National Water Research Center, Cairo, Egypt.

Email

dr.hossam.jahin@gmail.com

City

-

Orcid

0000-0002-9891-2694

First Name

Ihab

Last Name

Farid

MiddleName

Mohamed

Affiliation

Soils and water department, Agriculture Faculty, Benha University

Email

ehab.farid@fagr.bu.edu.eg

City

-

Orcid

-

First Name

Mohamed

Last Name

Abbas

MiddleName

H.H.

Affiliation

Benha University, Faculty of Agriculture, Soils and Water department

Email

mohamed.abbas@fagr.bu.edu.eg

City

Benha

Orcid

0000-0002-1905-1241

First Name

Mohamed

Last Name

Bassouny

MiddleName

Ahmed

Affiliation

Department of Soil and Water, Faculty of Agriculture, Benha University, Egypt

Email

mohamed.bassuony@fagr.bu.edu.eg

City

https://scholar.google.com.eg/citations?hl=en&user=vyqv-fIAAAAJ

Orcid

https://orcid.org/00

Volume

65

Article Issue

1

Related Issue

51049

Issue Date

2025-03-01

Receive Date

2024-09-10

Publish Date

2025-03-01

Page Start

45

Page End

57

Print ISSN

0302-6701

Online ISSN

2357-0369

Link

https://ejss.journals.ekb.eg/article_391978.html

Detail API

https://ejss.journals.ekb.eg/service?article_code=391978

Order

391,978

Type

Original Article

Type Code

19

Publication Type

Journal

Publication Title

Egyptian Journal of Soil Science

Publication Link

https://ejss.journals.ekb.eg/

MainTitle

Are Normal and N-doped Hydrochars Efficient Enough for Removal of Pb(II) from Contaminated Waters?

Details

Type

Article

Created At

23 Dec 2024