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Systematic Review and Meta-analysis on the Application of Bacteria for the Biodegradation of Plastics

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

The accumulation of plastic waste is a problem that affects terrestrial and marine ecosystems, in addition to altering the quality of life of humans. The purpose of this research was to evaluate, through a systematic review and meta-analysis, the biodegradation of plastics using different species of bacteria. The study had a quantitative approach, applied type, non-experimental design of documentary review and descriptive-explanatory level. A total of 502 studies were collected from Scopus and Web of Science databases, in the period from January 2012 to September 2021. The results showed that Pseudomona sp. bacteria biodegraded low-density polyethylene (LDPE) by 1.8%, while Pseudomona AK31 reduced the mass of polystyrene (PS) by 19.9%. Regarding colonial growth, a bacterial consortium had a growth of 1.9E+06 CFU/mL and the bacterium Bacillus paralicheniformis had a growth of 6E+5 CFU/mL, both on polyurethane films for 30 days. Finally, it is concluded that bacterial strains can degrade plastics and for the evaluation it is necessary to know their bacterial population and the mass reduction of the polymer.

Original languageEnglish
Title of host publicationProceedings of the 22nd LACCEI International Multi-Conference for Engineering, Education and Technology
Subtitle of host publicationSustainable Engineering for a Diverse, Equitable, and Inclusive Future at the Service of Education, Research, and Industry for a Society 5.0., LACCEI 2024
PublisherLatin American and Caribbean Consortium of Engineering Institutions
ISBN (Electronic)9786289520781
DOIs
StatePublished - 1 Jan 2024
Event22nd LACCEI International Multi-Conference for Engineering, Education and Technology, LACCEI 2024 - Hybrid, San Jose, Costa Rica
Duration: 17 Jul 202419 Jul 2024

Publication series

NameProceedings of the LACCEI international Multi-conference for Engineering, Education and Technology
ISSN (Electronic)2414-6390

Conference

Conference22nd LACCEI International Multi-Conference for Engineering, Education and Technology, LACCEI 2024
Country/TerritoryCosta Rica
CityHybrid, San Jose
Period17/07/2419/07/24

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 14 - Life Below Water
    SDG 14 Life Below Water
  2. SDG 15 - Life on Land
    SDG 15 Life on Land

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