Bioplastics Biogas

Bioplastics and biogas are bio-based products that use biological resources to provide alternatives to conventional plastics and fossil-derived energy. Bioplastics can be produced from renewable biomass or synthesized by microorganisms, while biogas forms when microbes break down organic matter without oxygen through anaerobic digestion, releasing methane and carbon dioxide. These processes connect biology with waste management, renewable energy, and sustainable materials research. Their applications include biodegradable packaging, agricultural products, wastewater treatment, and energy generation, although performance, biodegradability, feedstock availability, and emissions management remain important considerations for large-scale use.

Bioplastics Biogas - Related Videos

Research

JoVE EoE - Bacterial Growth and Techniques

Anaerobic Digestion of Bioplastics for Biogas Production

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2025

Begin with an anaerobic digester, a sealed, oxygen-free reactor seeded with a synthetic sludge that mimics the settled solids from wastewater.The sludge contains mesophilic anaerobic microbes, a mixed microbial community.These microbes thrive at moderate temperatures and drive the digestion of the sludge’s organic matter.Continuously mix the sludge to sustain the bacterial activity and promote digestion.Later, add bioplastics, which are biodegradable polymers, into the sludge.During incubation,...

Education

JoVE Core - Microbiology

Bioplastics

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2026

Bioplastics derived from microbial processes present a sustainable alternative to conventional petroleum-based plastics. Among these, polyhydroxyalkanoates (PHAs), particularly polyhydroxybutyrates (PHBs), have emerged as prominent candidates due to their biodegradability and biocompatibility. These polymers are synthesized by a variety of bacteria, such as Cupriavidus necator and Pseudomonas putida, which naturally accumulate PHAs as intracellular carbon and energy reserves, especially under...

Scalable Step-by-Step Approach of Sustainable Bioplastic Production from Food Waste

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2025

This protocol presents a scalable method for converting food waste into biodegradable polyhydroxyalkanoate (PHA) bioplastics. It utilizes arrested anaerobic digestion for food waste pretreatment, halophilic microbial fermentation for PHA biosynthesis, and a chemical-free downstream process for PHA recovery.

Continuously-stirred Anaerobic Digester to Convert Organic Wastes into Biogas: System Setup and Basic Operation

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Cited by 34 •

2012

Laboratory-scale anaerobic digesters allow scientists to research new ways of optimizing existing applications of anaerobic biotechnology and to evaluate the methane producing potential of various organic wastes. This article introduces a generalized model for the construction, inoculation, operation, and monitoring of a laboratory-scale continuously stirred anaerobic digester.

Biogas Purification through the use of a Microalgae-Bacterial System in Semi-Industrial High Rate Algal Ponds

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Cited by 1 •

2024

Air pollution impacts the quality of life of all organisms. Here, we describe the use of microalgae biotechnology for the treatment of biogas (simultaneous removal of carbon dioxide and hydrogen sulfide) and the production of biomethane through semi-industrial open high-rate algal ponds and subsequent analysis of treatment efficiency, pH, dissolved oxygen, and microalgae growth.

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