Breakthrough in Photocatalytics: New Research Highlights Potential of Biochar and GO-Doped Biochar for Water Pollution Remediation

A recent study published in the Journal of Water Process Engineering has shed light on the potential of biochar and GO-doped biochar as a solution for water pollution remediation in developing countries. The research, conducted by a team of scientists from the Government College University of Lahore, Pakistan, found that these materials exhibit excellent photocatalytic activity, efficient adsorption, and latent fingermark visualization capabilities.

Key Takeaways:

  • The study found that biochar powder shows a hexagonal structure with a 6.54 nm crystallite size and a rhombohedral structure of GO-doped biochar with a 10.5 nm crystallite size, exhibiting excellent photocatalytic activity against methylene blue (MB) with 88% and crystal violet (CR) with 74% removal rates.
  • The reusability of biochar powder in photocatalysis was observed for MB and CR dyes after 4 cycles, indicating its potential for multiple use.
  • The study also found that GO-doped biochar powder exhibited low photocatalytic activity compared to pristine biochar, but still showed good efficiency in latent fingermark enhancement.
  • Biochar powder showed good efficiency in latent fingermark enhancement up to the 3rd level of fingermark enhancement detail.
  • The research demonstrated the potential of biochar and GO-doped biochar for the remediation of water pollution in developing countries.

Statistics:

  • 88% removal rate of methylene blue (MB) using pristine biochar.
  • 74% removal rate of crystal violet (CR) using pristine biochar.
  • 6.54 nm crystallite size of biochar.
  • 10.5 nm crystallite size of GO-doped biochar.
  • 4 cycles of reusability of biochar powder.

Sources:

  • NewsRx. Findings on Photocatalytics Reported by Investigators at Government College University of Lahore (Biochar and Go Doped Biochar Powder for Photocatalysis, Adsorption, and Latent Fingermark Detection). Nanotechnology Weekly. October 20, 2025; p 494.
  • Journal of Water Process Engineering. Biochar and Go Doped Biochar Powder for Photocatalysis, Adsorption, and Latent Fingermark Detection. 2025; 78.