CLEANING workpieces WITH ORGANIC RESIDUES

摘要

PCT No. PCT/EP92/00322 Sec. 371 Date Dec. 30, 1993 Sec. 102(e) Date Dec. 30, 1993 PCT Filed Feb. 14, 1992 PCT Pub. No. WO92/14558 PCT Pub. Date Sep. 3, 1992The process concerns the cleaning of workpieces exhibiting organic residues, with the use of a fluid introduced under pressure into a pressure tank loaded with the workpieces. According to the invention, the fluid is circulated during the cleaning step, using preferably liquefied gases, e.g. carbon dioxde, as the fluid. By the use of a heat exchanger, the temperature of the fluid can be regulated during the process.