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Eco coffee ashtray maker / Ashtray maker

Eco coffee ashtray maker
Eco coffee ashtray maker

Since the consumption of coffee beans is increased, coffeegorunds
amount is increased. This leads to environmental pollution and
economic loss. this problem is resolved that eco ashtray is made
in simplified solidification methods and odor adsorption component
of coffee grounds.


Jeju National University

Jeju National University
Jeju City, South Korea

Seunghee Yang,
Jeju National University