Exhibit 23.1

Hudson Technologies, Inc.
Pearl River, New York

We hereby consent to the use in the Prospectus constituting a part of this
Registration Statement of our report dated March 7, 2003, relating to the
consolidated financial statements of Hudson Technologies, Inc., which is
contained in that Prospectus, and of our report dated March 7, 2003, relating to
the consolidated financial statements of Hudson Technologies, Inc., included
herein. Our report contains an explanatory paragraph regarding the Company's
ability to continue as a going concern.


BDO Seidman, LLP
Valhalla, New York
May 8, 2003