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Application

93032351/26, 1993-06-21

(22)

Actual filing date

1993-06-21

(45)

Published

1995-09-27

(72)

Inventor

Chupalov V.S.Tereshchenko L.Ja.Ukhanova E.I.Fisenko V.V.Razguljaev Ju.V.Zabojkin I.A.

(73)

Holder

Sankt-Peterburgskij Gosudarstvennyj Universitet Tekhnologii I Dizajna

FILTERING CHARGE TO PURIFY WATER FROM HEAVY METALS AND MECHANICAL IMPURITIES Russian patent published in 1995 - IPC

Abstract RU 2044556 C1

FIELD: production of composition of filtering charges for waste waters purification. SUBSTANCE: chips produced during shaving of chrome tanning leather with chrome oxide share of 1.5-3.5 mass EFFECT: increased quality of waste waters purification. 1 tbl

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RU 2 044 556 C1

Authors

Chupalov V.S.

Tereshchenko L.Ja.

Ukhanova E.I.

Fisenko V.V.

Razguljaev Ju.V.

Zabojkin I.A.

Dates

1995-09-27—Published

1993-06-21—Filed

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