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    • 20. 发明公开
    • Process for recovering noble metals from electric and electronic wastes
    • 过程贵金属的电气和电子废物中回收
    • EP1964936A1
    • 2008-09-03
    • EP08425087.7
    • 2008-02-13
    • Sardegna Ricerche
    • Deplano, PaolaMercuri, Maria LauraPilia, LucaSerpe, AngelaVanzi, Massimo
    • C22B11/00C22B3/00C22B3/20C22B7/00C22B15/00
    • C22B11/042C22B3/0029C22B3/0031C22B3/0035C22B3/205C22B11/046Y02P10/214Y02P10/234
    • The invention relates to a process for recovering noble metals from electric and electronic waste by means of
      a) adducts with alogens of cyclic dithioxamides of formula (1)

               R,R' dazdt·nX 2      (1)

      wherein:
      R and R' are the same or different alkyls,
      X 2 are the same alogen or inter-alogen, and
      N is 1 or 2;

      b) adducts with alogens of non cyclic dithioxiamides of formula (2)

               R,R'DTO·nX 2      (2)

      wherein:
      R and R' are the same or different alkyls or aryls,
      X 2 are the same alogen or inter-alogen, and
      N is 1 or 2;

      c) adducts with alogens of tetralkylthiuram disulphide (Bis(diethylthiocarbamoyl)disulphyde) of formula (3)

      wherein:
      R and R' are the same or different alkyls or aryls, and
      X 2 are the same alogen or inter-alogen; and

      d) adducts with alogens of dimorpholinthiuram disulphyde (Bis(morpholinthiocarbamoyl) disulphyde) with morpholine as the only substituent of the nitrogens, having formula (4)


      wherein X 2 are the same alogen or inter-alogen.
    • 本发明涉及一种通过的手段)与ƒR,R的式(1)€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€的环状dithioxamides的alogens加合物回收来自电气和电子废物贵金属 'dazdt·NX 2€ƒ€ƒ€ƒ€ƒ€ƒ(1)worin:R和R' 是相同或不同的烷基,X 2是相同的或alogen-alogen间,而N是1或2; b)用式非环状dithioxiamides的alogens加合物(2)€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR,R'DTO·NX 2€ƒ€ƒ€ƒ€ƒ€ƒ(2 )其中:R和R“是相同或不同的烷基或芳基,X 2是相同的或alogen-alogen间,而N是1或2; c)与式四烷基二硫化物alogens(双(diethylthiocarbamoyl)disulphyde)加合物(3)worin:R和R“是相同或不同的烷基或芳基,和X 2是相同的或alogen-alogen间; 和d)加合物与dimorpholinthiuram disulphyde(双(morpholinthiocarbamoyl)disulphyde)与吗啉作为氮的唯一取代基的alogens,其具有式(4)worin X 2是相同的或alogen-alogen间。