Desalination Concentrate Quantification and Management Through Multi-Stage Biomass Production: A Conceptual Framework for Further Research

Rahul Hampaul, Bhaskar Sen Gupta

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Abstract

Global population growth and climate change are adding pressure on
conventional water sources to meet the rising demand. Reliance on
unconventional water sources utilizing desalination technologies is
increasing to ensure water security. A major economic and environmental
challenge in the sustainable adoption of desalination is the hypersaline
concentrate that is generated as a byproduct. Brine quantification
estimation process and disposal strategies along with the associated costs
are provided. Brine re-use for biomass production offers a promising
solution to help mitigate the environmental and economic challenges related
to brine disposal. Soil salinization is a key issue with the land application of
brine impacting its sustainability and applicability in the long run. The
paper proposes a methodology for multi-stage biomass production using
desalination brine. Added advantage of the proposed methodology is the
potential to manage soil salinization, adopt sustainable agricultural
practices such as crop rotation and enhancing biodiversity through
inclusion of marshlands and wetlands as part of the brine disposal strategy.
The paper also proposes an experimental setup for lab scale
experimentation and identifies research priorities and provides
recommendations for further evaluation.
Original languageEnglish
Number of pages6
JournalEuropean Journal of Environment and Earth Sciences
Volume2
Issue number3
DOIs
Publication statusPublished - 11 May 2021

Keywords

  • Climate adaptation
  • climate emergency
  • brine management
  • halophyte
  • macroalgae
  • reject brine

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