New Clay Recycling Equipment Helps Hartwick Stay Green

For Stephanie Rozene sustainability is an art.

“We’ve always recycled our clay scraps,” said Rozene, professor of art and art history. “But we reconstitute our clay in these huge, 300-pound batches, so it takes a long time to build that up.”

But thanks to an anonymous donor, a new vacuum de-airing pugmill made by Peter Pugger Manufacturing Inc., a producer of vacuum mixing equipment, will allow students to recycle and reconstitute clay more efficiently.

“If a student needs red clay, they can use those scraps and reclaim a smaller amount,” she said.

In “pugging” the clay, the scrap is reconstituted with water and then the air is vacuumed out. What comes out is a smooth tube of industrial-quality clay, free of air bubbles and ready to use.

“Pugging reduces the need to wedge our clay and get the air bubbles out,” said Rozene. “We’re saving time, as well as the wear and tear on our bodies.”

The pugmill is one more piece in the College’s commitment to sustainability.

“One of the reasons we make our own clay is that it lowers our carbon footprint. If we’re buying pre-made, that’s excess cardboard for boxing and fossil fuels for shipping. Our footprint is greener.”

Stephanie Rozene

Professor of Art

Hartwick College Professor of Art and Art History Stephanie Rozene loading clay and water into pugmill for recycling
Hartwick College Professor of Art and Art History Stephanie Rozene loading clay and water into pugmill for recycling
recycled clay being produced by pugmill
Hartwick College Professor of Art and Art History Stephanie Rozene with recycled clay from pugmill

It also gives students the opportunity to learn and practice how the clay – and the machines – work. “Most professional ceramics studios have these machines,” she said. “We’re sending them out into the world knowing how to work with the equipment they’ll find in those spaces, as well as the materiality of clay and how to design clay bodies for different projects.”

October 26, 2023
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