摘要 |
PCT No. PCT/FR97/01909 Sec. 371 Date Jul. 27, 1999 Sec. 102(e) Date Jul. 27, 1999 PCT Filed Oct. 24, 1997 PCT Pub. No. WO98/18715 PCT Pub. Date May 7, 1998The invention concerns a method for regenerating a working solution for producing hydrogen peroxide 30%, in which the working solution is contacted with alumina at a temperature of approximately 40-160 DEG C. |