Читать книгу Industrial Environmental Management - Tapas K. Das - Страница 179

A parts manufacturer uses a solvent degreaser for cleaning parts. The solvent used in the degreaser is a suspected carcinogen. The manufacturer reduces the amount of solvent it disposes of by filtering dirty solvent and returning it to the degreaser. This pollution prevention strategy is known as

1 source reduction

2 in‐process recycling

3 out‐of‐process recycling

4 end‐of‐pipe treatment