DROPLET

Investigation of Biodegradable Plastic Production by an Activated Sludge Microbial Consortium Treating Dairy Industry Wastewater.

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Project Metadata ElementDetails
  Project Title Investigation of Biodegradable Plastic Production by an Activated Sludge Microbial Consortium Treating Dairy Industry Wastewater.
Research Area Sustainability
Project Acronym
  Principal Investigator or Lead Irish Partner Niall O' Leary
  Lead Institution or Organisation University College Cork (UCC)
 Lead Country Ireland
 Latitude, Longitude (of Lead Institution) 51.89348, -8.49206
  Lead Funding Entity Environmental Protection Agency
  Approximate Project Start Date
  Approximate Project Finishing Date
  Project Website (if any)
  Links to other Web-based resources
 Project Keywords Biodegradable polyesters; Wastewater; Dairy processing; Sludge microbes
  Project Abstract Polyhydroxyalkanoates, (PHAs), are biodegradable polyesters which are synthesised intracellularly by a number of microbial species when they encounter an excess of carbon substrate, offset by an inorganic nutrient limitation. The production of these "bioplastics" has received significant, global research interest as they offer a potential replacement polymer for environmentally recalcitrant petrochemical plastics. However, fermentation costs coupled with additional downstream processing have thus far hampered the economic competitiveness of PHAs produced from pure cultures. The use of mixed microbial cultures for PHA synthesis offers a possible solution as they can utilise a range of carbon substrates and do not require aseptic fermentation equipment/handling. The current research project seeks to investigate the potential for stable PHA accumulation by an enriched, activated sludge microbial consortium utilising dairy processing wastewater as feed stock.