Novel application of biochar in stormwater harvesting

Daniel C.W. Tsang, Iris K.M. Yu, Xinni Xiong

Research output: Chapter in book / Conference proceedingChapter in an edited book (as author)Academic researchpeer-review

6 Citations (Scopus)


In order to safeguard the water security and resilience for sustainable development, there is an imminent need to develop blue-green infrastructures to cater to the environmentally friendly drainage networks. This chapter will introduce the application of a bioretention system (e.g., bioswale and biofiltration basin) as a simple and passive measure for stormwater harvesting at the source for non-potable reuse. In view of the insufficient contaminants removal in typical bioretention systems, development of engineered filter media mixed with biochar is encouraged to improve the harvested stormwater quality to meet the local/international standards and provide additional removal capacity. Recent advances in biochar-assisted removal of organic/inorganic contaminants, including biochar modification, process design, aging effects, etc., will be summarized and discussed. In addition, this chapter provides suggestions for flow attenuation, design, and maintenance requirements, which are important considerations in the establishment of sustainable and environmentally compatible pilot-/field-scale bioretention systems.

Original languageEnglish
Title of host publicationBiochar from Biomass and Waste
Subtitle of host publicationFundamentals and Applications
Number of pages29
ISBN (Electronic)9780128117293
ISBN (Print)9780128117309
Publication statusPublished - 1 Jan 2018


  • Bioretention system
  • Engineered biochar
  • Organic contaminants
  • Passive water treatment
  • Potentially toxic elements
  • Stormwater harvesting

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)


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