Global population growth and better quality of life will increase waste generation. Converting plastic waste into value-added products is an effective way to manage waste and achieve a circular economy.
FREMONT, CA: Waste management using blockchains and circular economies are emerging concepts aimed at reducing waste production and resource fluctuations. Blockchain facilitates information transparency, reliability, and automation, which can support a circular economy. Plastics will be kept in an infinite loop through molecular tagging and will facilitate closed-loop recycling by redesigning them with molecular tags. Incorporating closed-loop recycling into corporate product development and development has resulted in several successful green chemical approaches. Policies and legislation are increasingly supporting plastic redesign to improve the circular economy. For circular economy initiatives to be effective, however, a systematic approach must consider blockchain technology and plastic redesigning.
The issue of plastic pollution is not new, but with the increasing usage and disposal of plastic, it is becoming a growing concern. In marine and terrestrial environments, plastic occurs in organisms of different trophic levels, including humans. Plastic pollution has spread to every part of the world.
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The current disposal methods for plastic waste are not very environmentally friendly due to consumers' attitudes. Most plastic waste disposed of in landfills is recycled, while 20–30 percent of it burns, and only 10–20 percent disposes of in landfills. It is preferred to burn plastic waste because it produces energy, but this approach leads to a higher level of pollution by releasing greenhouse gases and destroying valuable feedstocks. It leads to the introduction of virgin feedstocks derived primarily from fossil fuel-derived sources into the ecosystem, increasing the risk of environmental pollution.
Research is constantly underway on biodegradable and edible alternatives to plastic. However, an in-depth research is necessary to match the low price of production and the synthetic properties of plastic. The preference is to stop plastic production completely. However, this is unrealistic since there is a continual demand for lightweight, flexible, sterile, and cost-effective packaging, especially due to the recent pandemic.
Recycling is the most efficient strategy for reducing plastic waste, as it limits biomass demand and keeps renewable energy consumption low. The current waste disposal and management system still lags behind recycling and reusing plastic waste. This is despite a significant increase in public awareness of the harmful effects of plastic pollution. Plastic recycling and reusing are limited by consumer behavior, are highly dependent on sorting and identification, and involve various recycling processes.
The environment urgently needs novel solutions that utilize the latest technologies to minimize the generation of new plastic waste and prevent the pollution of current plastic waste. AI, IoT, robotics, big data, blockchain, 5G communications, and big data are all part of digital transformation. It has led to better sourcing of valuable material in waste streams, a safer, more transparent, more efficient, more economical, and more resource-efficient process, and an effective link with other sectors. Digital transformation has played a pivotal role in every aspect of society and economics in the 21st century. The best way to achieve positive change in the future is to incorporate the latest developments in recycling plastic waste.
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