?? ??? ?????? ?? ???? ???? ???? ??? ?? ??? ??? ???????? ??? ???? ?? process? ?? ????????, ?? ??? ?????? (???????? ?? ???? ?? .? ?????? ???????) ??????? ????? ???? ?? ????? ????????? ?? ???? ??????? ???????? ?? ???? ?? products? ??? ???? ??????? ?? ????? ????? ????.

1. ?????? ????

(?????? ??????? ???????? ?????? ?? ????? ???????? ??)

(1) ??????:

???? ???? ??? ???? ??? ?????? ?????? ?? ??????, ??? ??? ????? ?????????? ?? ???? ????? ?? ???? ???, ??? ???? ????? ??? ?? ???? ??????? ??? ??? ???.

(2) ????? ????:

??? ??????? ?????? ??????? ??? ?????? ???????? ?? ?????? ????? ???? ???? ???? ?????? ????? ??, ??? ????? ?????? ????????? ??? ????? ??? ???????? ??? ???? ????? ????????? ?? ????? ??????????? effectively?? ??? ??? ????? ????? ??.

(3) ???????:

????? ??? ???????? ??? ??led? ???? ????? ?? ??? ??? ??? cast??? ???? ??????? ?? ???? ????? ????? ??? ??????? ??????? ????? ??? ??? ???????????? ???? ??? ???? ???? ?????? ????? ??.

2. ???? ?? :??:

???? ???? ??????? ????? ?? ???? ??. ?? ??? ??????, ???????? ????? ?? ??? ?? ??????? ?? ??????, ??? ???? ???? ???, ???????? ?? ????? ???? ?????? ???? ????? ???? ??? ???? ??? ??????usion??? ???? ??? ????.

?? ??? '?? ???? ??? ???? 6063 ????? ??? ???-?? .? ??en? ?? ???????? ??? ???? ?? ???? ??? ???? ??? ?? ?? ???? ?? aging??? ?? ???????? ??? ???? ?? .?? ????? ??. ????? ??????? ?? ???-???????? ???? ?? ???? ?? ???? ??????? ????? ??.

3. ???

(???? ???? ???? ??? ?? ??????? ???? ??? ???? ???), ??????? ???????? ????? ????????, ???? ??? ??? ???????? ?????? ?????? ?????, ???????? ?? ??? ???????? ??? ?????, ????? ?? ????? ??? ????? ????? ?? ???? ??? ????? ?? ??? ?? ???? ?? ????????? ???? ?????? ??.

???? ???????? ????? ????? ??:

(1) ??? pretreatment:

?????? ??? ????? methods???? ?? ????? ????? ?????? ??? ?????? ??? ?? ???????? ?? ??? ??? ??? ??? ?? ???? ????? ??, ??? ?? ?? ?????? ??? ????? ???? ????? ???? ?????? ???? ?? ???. ???? ??? ??? ??? ?? ??????? ically?? ??? ?????? ???? ?? ???? ??.

(2) ?????? ???????:

??? pretreatment ?? ????, ??? ?????? ????? ?? ????, anodic ??????? ?????? ??? '?? ?????? ??, ??? ?????, pores ??? ?????? ??adsorption AL2O3 ???? ??? ?? ????? ????.

(3) ???? ??????:

?????? ????????? ??? ???? ????? ???? ?????? ???? ?? ???? ????????, ????-??? ??? ?????? ???? ?? ???????? ??? ????? ?? ??? ?? ????? ?? ??. ?????? ???? ?????? ??? ???????? ??, ??? ??? ??? ?????? ????????? ???? ?? ???? ?????? ?? ?????, ??? ??? ?? ??? ?? ???? ??? ???? ????? ????, ???????? ???? ??? ?? ????? ??? ????? ?????? (????? ?? ?????) ???? ???? ??, ????? ??: ????, ?????, ???? ??? ???? ???.