COMPOSITION FOR TREATING INDUSTRIAL SEWAGE CONTAINING IMPREGNATING MELAMINE-FORMALDEHYDE RESINS Russian patent published in 2001 - IPC

Abstract RU 2177455 C2

FIELD: chemical clearing of sewage, particularly, clearing of industrial sewage containing impregnating melamine formaldehyde resins. SUBSTANCE: composition comprises mineral or organic acid, water and carbamide, ratios being as follows, wt.%: mineral or organic acid, 10-38, carbamide, 5-55; and water, the balance. Invention makes it possible to improve efficiency in clearing industrial sewage and prepare readily separable deposit of fine-grained structure, thus facilitating separation of said deposit more fully from production equipment and making operation of equipment more reliable. EFFECT: improved properties of the composition. 2 cl, 2 tbl

Similar patents RU2177455C2

Title	Year	Author	Number
CHEMICAL AGENT FOR CLEANING SURFACES FROM MINERAL DEPOSITS OF VARIOUS NATURE	1999	Il'Jasov S.G. Lobanova A.A. Manevich B.V.	RU2160307C1
COMPOSITION FOR MANUFACTURING LOW-TOXIC WALLBOARDS	2000	Nikolaev N.E. Strelkov V.P. Shalashov A.P.	RU2170749C1
METHOD FOR PRODUCING ORGANO-MINERAL FERTILIZERS	1997	Sokolova I.V. Shchupljak A.A. Petrova L.A. Ivanova R.G. Gladkov O.A. Rits V.A.	RU2108995C1
FORMALDEHYDE ACCEPTOR	1999	Puchkov B.V. Strelkov V.P. Belopukhova V.G. Krotova S.A. Dovgopolaja M.V.	RU2148067C1
EPOXY BINDER FOR REINFORCED PLASTIC MATERIALS	2000	Murashov B.A. Kul'Kov A.A.	RU2178430C2
IMPREGNATING COMPOSITION FOR THE FIRE-PROTECTION AND THE BIO-PROTECTION OF THE TIMBER AND MATERIALS ON ITS BASE	2006	Averina Elena Borisovna Godunov Igor' Andreevich Kuznetsova Tamara Stepanovna Avdeev Viktor Vasil'Evich	RU2306219C1
METHOD OF PREPARING CARBAMIDO-FORMALDEHYDE FILLER	1999	Jankovskij Nikolaj Andreevich Perepad'Ja Nikolaj Petrovich Stepanov Valerij Andreevich Kravchenko Boris Vasil'Evich Ostrovskaja Alina Ivanovna Rodygin Mikhail Jur'Evich Ivanov Jurij Ivanovich Emchuk Bogdan Bogdanovich Zolotareva Tamara Nikolaevna Chepeleva Anna Ivanovna Starchenko Leonid Viktorovich Zaugol'Nikova Evgenija Anatol'Evna	RU2150478C1
SORBENT FOR REMOVING INJURIOUS IMPURITIES FROM MEDIA CONTAINING THESE IMPURITIES, PREFERABLY FOR REMOVING CRUDE OIL AND HIGHER HYDROCARBONS	1999	Barelko V.V. Kuznetsova N.P. Bal'Zhinimaev B.S. Kil'Djashev S.P. Makarenko M.G. Chumachenko V.A.	RU2169612C2
METHOD OF PREVENTING SCALE FORMATION OF HEAT-EXCHANGE SURFACES	1997	Kamaleev S.Kh. Davydova P.A. Timin K.I.	RU2120916C1
PRESS-COMPOSITION FOR HEAT-INSULATING MATERIAL MAKING	1999	Nikolaev N.E. Strelkov V.P. Shalashov A.P.	RU2148064C1

RU 2 177 455 C2

Authors

Ivanov B.K.

Bazhanov E.A.

Matjushin I.T.

Dates

2001-12-27—Published

2000-03-14—Filed