New Study: Non-Recycled Plastics Could Contribute Significant Supply of Alternative Energy to U.S. Economy
Scientists at Columbia University Say Energy Potential is at Least Enough to Fuel 6 Million Cars or Power 5.2 Million Homes Annually
WASHINGTON, Oct. 12, 2011 /PRNewswire-USNewswire/ -- A new study conducted by the Earth Engineering Center (EEC) of Columbia University and sponsored by the American Chemistry Council has found that if all of the non-recycled plastics that are currently put into landfills each year in the United States were converted to energy using currently available technologies, they could provide at least enough energy to fuel six million cars annually.
"Plastics have a significantly higher energy value than coal," said Prof. Marco J. Castaldi of the Earth and Environmental Engineering Department of Columbia University and Associate Director of EEC. "Capturing the energy value of non-recycled plastics – and municipal solid waste in general – makes good sense because it provides a good domestic form of energy while minimizing impacts on the environment."
The study also estimated that if all the non-recycled plastics discarded in the United States annually were diverted to modern waste-to-energy facilities, they could produce 52 million MWh of electricity, or enough to power 5.2 million households per year. Similarly, if all the municipal solid waste produced in the United States was diverted from landfills to waste-to-energy facilities, it could produce 162 MWh of electricity, or enough to power 16.2 million households every year.
"As the United States seeks alternative fuel sources, research like this is crucial to helping identify alternative fuel sources for policy makers," noted Dr. Nickolas Themelis, Director of the Earth Engineering Center at Columbia University.
"Even after use, plastics continue to be a valuable resource," said Steve Russell, vice president of plastics for the American Chemistry Council. "Whenever possible, plastics should be recycled," Russell said, "But when plastics aren't recycled, there is still a tremendous opportunity to recover this abundant energy source to power our homes, vehicles and businesses."
Although in the United States plastics are made primarily from natural gas, a growing number of innovative technologies are effectively turning non-recycled plastics into crude oil, electricity and other fuels. Many of these technologies are already being implemented on a commercial scale in Europe, Canada and Asia.
The full study, "Energy and Economic Value of Non-Recycled Plastics (NRP) and Municipal Solid Wastes (MSW) that are Currently Landfilled in the Fifty States," summarizes information on non-recycled plastics and total municipal solid waste in each of the 50 states and quantifies the potential energy and economic value of recovering this material.
Given that the study looked exclusively at municipal solid waste, the actual amount of recoverable materials in the United States and the energy values associated with them are likely greater than those included in the scope of this study.
The American Chemistry Council (ACC) represents the leading companies engaged in the business of chemistry. ACC members apply the science of chemistry to make innovative products and services that make people's lives better, healthier and safer. ACC is committed to improved environmental, health and safety performance through Responsible Care®, common sense advocacy designed to address major public policy issues, and health and environmental research and product testing. The business of chemistry is a $720 billion enterprise and a key element of the nation's economy. It is one of the nation's largest exporters, accounting for ten cents out of every dollar in U.S. exports. Chemistry companies are among the largest investors in research and development. Safety and security have always been primary concerns of ACC members, and they have intensified their efforts, working closely with government agencies to improve security and to defend against any threat to the nation's critical infrastructure.
SOURCE American Chemistry Council
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