Goodyear using rice husk ash in tyre manufacturing

Tuesday, September 30, 2014 - 09:13
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fleetTyre’d of rubber?

Innovation is the key for tyre company

Rice husk waste once headed for landfills is now contributing to an innovative new concept in fuel efficiency from the Goodyear Tyre & Rubber Company – using the ash left over from the burning of rice husks to produce electricity as an environmentally friendly source of silica for use in its tyres based on previous research by Pirelli.

Goodyear has tested silica derived from rice husk ash over the past two years at its Innovation Center in Akron and found its impact on tyre performance to be equal to traditional sources and they are currently negotiating with potential suppliers to purchase rice husk ash silica for use in its tyres.

“The use of rice husk ash will provide Goodyear an alternative source of silica while helping reduce the amount of rice husk waste being landfilled,” said Joseph Zekoski, Interim Chief Technical Officer. “This illustrates Goodyear’s commitment to innovation and to the environment.”

Each year, more than 700 million tons of rice is harvested worldwide, according to the Food and Agricultural Organization of the United Nations, and disposing of the rice husks is an environmental challenge. As a result, husks are often burned to generate electricity and reduce the amount of waste shipped to landfills.

Silica is mixed with rubber in tyre treads to increase the rubber’s strength and help reduce rolling resistance, which improves fuel economy. It also can have a positive impact on a tyre’s traction on wet surfaces.

“Goodyear’s innovation efforts are focused on making tyres more environmentally friendly – in their materials, in their performance and in the manufacturing process,” said Zekoski. “For example, we continue to explore ways to increase the fuel efficiency of tyres. We strive to help consumers keep their tyres operating optimally, through innovations such as Air Maintenance Technology (AMT). And we look to renewable resources, including soy bean oil, to replace petroleum-based materials in tyres.”

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