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Cheese whey management: a review.

Ana R Prazeres1, Fátima Carvalho, Javier Rivas

  • 1Departamento de Tecnologias e Ciências Aplicadas, Escola Superior Agrária de Beja, IPBeja, Rua de Pedro Soares, Apartado 158-7801-902, Beja, Portugal. ana.prazeres@ipbeja.pt

Journal of Environmental Management
|June 23, 2012
PubMed
Summary
This summary is machine-generated.

Cheese whey, a nutrient-rich effluent, can be managed through various valorization strategies. This review analyzes biological, physicochemical, and land application methods for effective cheese whey treatment and resource recovery.

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Area of Science:

  • Environmental Science
  • Biotechnology
  • Chemical Engineering

Background:

  • Cheese whey is a significant byproduct of cheese production, posing environmental challenges due to its high organic and saline load.
  • Effective management of cheese whey is crucial for sustainable dairy processing and resource utilization.

Purpose of the Study:

  • To comprehensively review and analyze various treatment and valorization strategies for cheese whey.
  • To compare the efficacy of different approaches in terms of effluent quality and resource recovery.

Main Methods:

  • Literature review of biological treatments (aerobic/anaerobic digestion, fermentation, microbial fuel cells).
  • Analysis of physicochemical processes (precipitation, coagulation, membrane technologies).
  • Evaluation of direct land application methods and associated precautions.

Main Results:

  • Biological treatments offer valorization pathways like ethanol or lactic acid production.
  • Physicochemical methods provide effective treatment and potential resource recovery.
  • Direct land application is a common practice but requires careful management.

Conclusions:

  • Multiple viable strategies exist for cheese whey management, balancing treatment with valorization.
  • The choice of method depends on specific operational, economic, and environmental considerations.
  • Integrated treatment lines can optimize cheese whey valorization and minimize environmental impact.