High-performance asparagine-modified graphene oxide membranes for organic dyes and heavy metal ion separation

Author:

Jatoi Ashique Hussain1,Ali Akbar23,Nadeem Ahmed4,Phulpoto Shah Nawaz5,Iqbal Muzaffar6,Memon Ayaz Ali7,Yang Jun23ORCID,Thebo Khalid Hussain8ORCID

Affiliation:

1. Department of Chemistry, Shaheed Benazir Bhutto University, Shaheed Benazirabad (67480), Pakistan

2. State Key Laboratory of Multi-phase Complex Systems, Institute of Process Engineering (IPE), Chinese Academy of Sciences, Beijing 100F190, China

3. University of the Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China

4. Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia

5. Department of Molecular Biology & Genetics, Shaheed Benazir University, Shaheed Benazirabad 67480, Pakistan

6. Department of Chemistry, Faculty of Physical and Applied Sciences, The University of Haripur (22620), KPK, Pakistan

7. National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, Pakistan

8. Institute of Metal Research (IMR), Chinese Academy of Sciences, Shenyang (110016), China

Abstract

Asparagine-modified GO membranes are prepared to efficiently reject rhodamine B dye up to 99.9%, along with a water permeability of ∼1740 ± 10 L m−2 h−1 bar−1. Further, such membranes are stable in water up to 34 days.

Funder

National Natural Science Foundation of China

State Key Laboratory of Multi-phase Complex Systems, Chinese Academy of Sciences

King Saud University

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry,Catalysis

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