Biodegradable plastic Recycling waste 21-12-2021 - Arhive

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Biodegradable plastic Recycling waste

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-Plant-based component could boost bacterial production of biodegradable plastic

Given that less than 10 percent of synthetic plastics are recycled, the petroleum-derived, non-biodegradable materials continue to accumulate across the planet, covering stretches of land and the ocean floor. Microplastics have been found 29,000 feet above sea level, on the peak of Mount Everest, and 36,000 feet below it, in the depths of the Mariana Trench. Biodegradable plastic Recycling waste

Some bacteria produce biodegradable plastics when deprived of nutrients or otherwise stressed, positioning them as part of a solution to the plastic pollution crisis. Unfortunately, the cost of feeding and maintaining those microbes has impeded efforts to scale up their production of biodegradable plastics. So researchers have set out to engineer microbes that yield bioplastics—especially poly-3-hydroxybutyrate, or PHB—faster, more efficiently and from renewable feedstocks.

Nebraska’s Rajib Saha and colleagues have been studying the species Rhodopseudomonas palustris for secrets to engineering a better bacterium. Their recent experiments generated a bevy of important findings. Among them? A component of decomposed lignin—a polymer found in the cell walls of nearly all land-based plants—can substantially boost R. palustris production of PHB plastic. Biodegradable plastic Recycling waste

Biodegradable plastic Recycling waste

Plant-based component could boost bacterial production of biodegradable plastic

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Biodegradable plastic Recycling waste

Recycled Polyester Sustainable Feedstocks 20-12-2021