A novel reduced graphene oxide based absorber for augmenting the water yield and thermal performance of solar desalination unit

Amrit Kumar Thakur, Ravishankar Sathyamurthy, Swellam W. Sharshir, Abd Elnaby Kabeel, Mohammad Shamsuddin Ahmed, Jang Yeon Hwang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

The absorber plate of a single basin solar still (SS) is coated by black paint doped with reduced graphene oxide (RGO) nanosheet having a mass fraction of 4–12 wt%, to augment the water yield. The RGO was prepared through hydrothermal treatment to have a specific surface area and mean pore diameter of 167.72 m2.g−1 and 22 nm, respectively. The utilization of 12 wt% RGO doped with black paint-coated absorber enhances the water and absorber temperature by 14.7 and 15.7%, respectively, as compared to only black paint-coated absorber. The accumulated water yield of the SS with (12 wt%) and without the RGO coating was found to be 5.59 and 3.96 L/m2/day, respectively.

Original languageEnglish
Article number128867
JournalMaterials Letters
Volume286
DOIs
StatePublished - 2021 Mar 1

Keywords

  • Absorber coating
  • Freshwater yield
  • Reduced graphene oxide
  • Thermal properties

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