Recover ferric sulfate or ferric chloride from pickle liquor through crystallization. Employ the use of a spray roaster, a fluid bed, or a sliding bed to separate hydrochloric acid from iron oxide in spent pickle liquor. Recover sulfuric acid using low temperature separation of acid and metal crystals. This fact sheet should only be considered an introduction to pollution prevention, Since new ideas are always being developed, it cannot include every existing pollution prevention practice. Mention of a specific practice should not be considered an unqualified endorsement, and not every practice is suitable for every facility.
Pollution prevention requires a new attitude about pollution control.
Traditional thinking places all the responsibility on a few environmental experts in charge of treatment. The new focus makes pollution prevention everyone's responsibility. Preventing pollution may be a new role for production-oriented managers and workers, but their cooperation is crucial. It will be the workers themselves who must make pollution prevention succeed in the workplace. Management commitment and employee participation are vital to a successful pollution prevention program.