Aduro Clean Technologies said Friday it priced a $20 million offering of about 1.7 million common shares and warrants to purchase around 870,000 shares.

The shares are being sold in combination with an accompanying half warrant, with each whole warrant exercisable at$16.00 per share for three years, the company said.

The offering is expected to close on or about Dec. 22, Aduro said.

The company said it plans to use the proceeds to advance the construction of its demonstration-scale plant and for ongoing research and development, general corporate purposes, and working capital.