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Home > News > Recycling

New catalytic process converts waste plastics to jet fuel in an hour

Source：Adsale Plastics Network Date ：2021-06-02 Editor ：JK

Washington State University (WSU) researchers have developed an innovative way to convert plastics to ingredients for jet fuel and other valuable products, making it easier and more cost effective to reuse plastics.

 

The researchers in their reaction were able to convert 90% of plastic to jet fuel and other valuable hydrocarbon products within an hour at moderate temperatures and to easily fine-tune the process to create the products that they want.

 

Led by graduate student Jia Chuhua and Lin Hongfei, associate professor in the Gene and Linda Voiland School of Chemical Engineering and Bioengineering, they report on their work in the journal of Chem Catalysis.

 

Plastic recycling has been problematic. The most common mechanical recycling methods melt the plastic and re-mold it, but that lowers its economic value and quality for use in other products.

 

Also, chemical recycling can produce higher quality products, but it has required high reaction temperatures and a long processing time, making it too expensive and cumbersome for industries to adopt. Because of its limitations, only about 9% of plastic in the U.S. is recycled every year.


1_web.jpg

The WSU researchers have developed a new process to convert waste plastics to jet fuel.


In their work, the WSU researchers have developed a catalytic process to efficiently convert polyethylene to jet fuel and high-value lubricants.

 

Polyethylene is the most commonly used plastic, used in a huge variety of products from plastics bags, plastic milk jugs and shampoo bottles to corrosion-resistant piping, wood-plastic composite lumber and plastic furniture.

 

For the process, the researchers used a ruthenium on carbon catalyst and a commonly used solvent. They were able to convert about 90% of the plastic to jet fuel components or other hydrocarbon products within an hour at a temperature of 220°C, which is more efficient and lower than temperatures that would be typically used.

 

Adjusting processing conditions, such as the temperature, time or amount of catalyst used, provided the critically important step of being able to fine-tune the process to create desirable products, added Lin Hongfei.

 

“Depending on the market, they can tune to what product they want to generate,” said Lin Hongfei. “They have flexibility. The application of this efficient process may provide a promising approach for selectively producing high-value products from waste polyethylene.”

 

With support from the Washington Research Foundation, the researchers are working to scale up the process for future commercialization. They also believe their process could work effectively with other types of plastics.

 

The work was done in collaboration with researchers from the University of Washington and Pacific Northwest National Laboratory, including Professor Jim Pfaendtner, and was funded by the Washington State Research Foundation and the National Science Foundation.

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Source：Adsale Plastics Network Date ：2021-06-02 Editor ：JK

Washington State University (WSU) researchers have developed an innovative way to convert plastics to ingredients for jet fuel and other valuable products, making it easier and more cost effective to reuse plastics.

 

The researchers in their reaction were able to convert 90% of plastic to jet fuel and other valuable hydrocarbon products within an hour at moderate temperatures and to easily fine-tune the process to create the products that they want.

 

Led by graduate student Jia Chuhua and Lin Hongfei, associate professor in the Gene and Linda Voiland School of Chemical Engineering and Bioengineering, they report on their work in the journal of Chem Catalysis.

 

Plastic recycling has been problematic. The most common mechanical recycling methods melt the plastic and re-mold it, but that lowers its economic value and quality for use in other products.

 

Also, chemical recycling can produce higher quality products, but it has required high reaction temperatures and a long processing time, making it too expensive and cumbersome for industries to adopt. Because of its limitations, only about 9% of plastic in the U.S. is recycled every year.


1_web.jpg

The WSU researchers have developed a new process to convert waste plastics to jet fuel.


In their work, the WSU researchers have developed a catalytic process to efficiently convert polyethylene to jet fuel and high-value lubricants.

 

Polyethylene is the most commonly used plastic, used in a huge variety of products from plastics bags, plastic milk jugs and shampoo bottles to corrosion-resistant piping, wood-plastic composite lumber and plastic furniture.

 

For the process, the researchers used a ruthenium on carbon catalyst and a commonly used solvent. They were able to convert about 90% of the plastic to jet fuel components or other hydrocarbon products within an hour at a temperature of 220°C, which is more efficient and lower than temperatures that would be typically used.

 

Adjusting processing conditions, such as the temperature, time or amount of catalyst used, provided the critically important step of being able to fine-tune the process to create desirable products, added Lin Hongfei.

 

“Depending on the market, they can tune to what product they want to generate,” said Lin Hongfei. “They have flexibility. The application of this efficient process may provide a promising approach for selectively producing high-value products from waste polyethylene.”

 

With support from the Washington Research Foundation, the researchers are working to scale up the process for future commercialization. They also believe their process could work effectively with other types of plastics.

 

The work was done in collaboration with researchers from the University of Washington and Pacific Northwest National Laboratory, including Professor Jim Pfaendtner, and was funded by the Washington State Research Foundation and the National Science Foundation.

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New catalytic process converts waste plastics to jet fuel in an hour

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