Corroded ???? ?????????? ????? ??????? ??????? ??????????.????? ??????????? ???? ????? ????? ???? ???? ???????????? ?????????????? ???? ???????? ??? ??????? ??????, ?????, ?????-???????????? ????? ?????.

??????? ???? ?????????? ??????? ??????????

1) ???????:

????????? ?????? ???????? ?????????? (????? ????), ?????? mm ?????????? ??? ???? ??? ????. ????? of?? ???? ???? ??????, ???? ??????????? ?????? ?????? ??? ????? ??????? ???.

?) ???? ??? ?????? ???????? ?????:

(1) ???????? ?????????

?.?--4 ??????? ???????? ?????? ???? ?????????????? ????? ???? ???. ???????? ??? 300-350 ???????? ???? ??? ??????, ?? ????????: 2000-3000 ?????? / ????? ????.

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

10-30 ???????????? 65-85 of ???? ???? ???????????? 10-15% ?????? ??????????????? ?????? ????? ?????, ???? ?????? ???????? ???? ??? ???????? acid??????? 5% ???? ???????????? ???????? ???.

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

?????? ????? (??? ?????) ????? ????????? ???? ??????, ?????? ????? ???????????? ????????? ????? ????? ???????????? ??????? ????? ???????????? ???? ?????? ???? ??? ??? ???? 5% ???????? ?????????? ????????? ??? ???.

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

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