Anaerobically-digested brewery wastewater as a nutrient solution for substrate-based food production

Ignasi Riera-Vila, Neil O Anderson, Claire Flavin Hodge, Mary A Rogers

Research output: Contribution to journalArticle

Abstract

Urban agriculture, due to its location, can play a key role in recycling urban waste streams, promoting nutrient recycling, and increasing sustainability of food systems. This research investigated the integration of brewery wastewater treatment through anaerobic digestion with substrate-based soilless agriculture. An experiment was conducted to study the performance of three different crops (mustard greens (Brassica juncea), basil (Ocimum basilicum), and lettuce (Lactuca sativa) grown with digested and raw brewery wastewater as fertilizer treatments. Mustard greens and lettuce grown in digested wastewater produced similar yields as the inorganic fertilizer control treatment, while basil had slightly lower yields. In all cases, crops in the digested wastewater treatments produced higher yields than raw wastewater or the no fertilizer control, indicating that nutrients in the brewery wastewater can be recovered for food production and diverted from typical urban waste treatment facilities.

Original languageEnglish (US)
Article number43
JournalHorticulturae
Volume5
Issue number2
DOIs
StatePublished - Jun 1 2019

Fingerprint

brewing industry
food production
nutrient solutions
wastewater
mustard greens
basil
wastewater treatment
lettuce
recycling
urban agriculture
waste treatment
Ocimum basilicum
anaerobic digestion
nutrients
Lactuca sativa
Brassica juncea
crops
mineral fertilizers
fertilizer application
fertilizers

Keywords

  • Brassica juncea
  • Brewery
  • Controlled environment agriculture
  • Lactuca sativa
  • Ocimum basilicum
  • Reclaimed wastewater
  • Soilless production
  • Urban agriculture

Cite this

Anaerobically-digested brewery wastewater as a nutrient solution for substrate-based food production. / Riera-Vila, Ignasi; Anderson, Neil O; Hodge, Claire Flavin; Rogers, Mary A.

In: Horticulturae, Vol. 5, No. 2, 43, 01.06.2019.

Research output: Contribution to journalArticle

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