Title:
METHOD FOR PRODUCING A SORBENT AND DEVICE FOR CARRYING OUT SAID METHOD
Document Type and Number:
WIPO Patent Application WO/2003/055596
Kind Code:
A1
Abstract:
The invention relates to the production of polymeric biodegradable adsorbents for cleaning water and soil from petrol and petroleum products. The inventive method for producing a sorbent consists in mixing the emulsions of carbamide-formaldehyde resin with a surface active substance and an acidic-type hardening catalyst, foaming, forming and hardening. The tanning bark extract of coniferous trees and carbon oxidising microorganisms are introduced during the mixing. The inventive device for producing a sorbent comprises series arranged foaming and hardening chambers, provided with a package of calibrating grids and a socket for introducing initial reagents, said chambers being separated by a set of calibrating grids. Said device is also provided with a pipeline for supplying gas to the foaming chamber. Said foaming chamber is provided with a discharge conduit which connects the chamber to the gas supplying pipeline and supplies initial reagents to the sockets. The package of calibrating grids in the foaming chamber is provided with a diffusing reflector, the socket for supplying a reagent inside the hardening chamber being provided with a perforation embodied along the hardening flow of mixed reagents. Said invention makes it possible to produce a highly porous biodegradable sorbent having a high oil capacity.
Inventors:
OLEINIK VALERY VIKTOROVICH (RU)
MELKOZEROV VLADIMIR MAKSIMOVIC (RU)
NAGORNY LEONID DMITRIEVICH (RU)
MELKOZEROV VLADIMIR MAKSIMOVIC (RU)
NAGORNY LEONID DMITRIEVICH (RU)
Application Number:
PCT/RU2002/000254
Publication Date:
July 10, 2003
Filing Date:
May 27, 2002
Export Citation:
Assignee:
OLEINIK VALERY VIKTOROVICH (RU)
MELKOZEROV VLADIMIR MAKSIMOVIC (RU)
NAGORNY LEONID DMITRIEVICH (RU)
MELKOZEROV VLADIMIR MAKSIMOVIC (RU)
NAGORNY LEONID DMITRIEVICH (RU)
International Classes:
B01J20/26; B01J20/30; B29C67/20; (IPC1-7): B01J20/26; B01J20/30; B29C67/20
Foreign References:
| RU2107543C1 | 1998-03-27 | |||
| US5264128A | 1993-11-23 | |||
| US5580770A | 1996-12-03 | |||
| US5492881A | 1996-02-20 | |||
| RU94032413A | 1996-07-27 | |||
| RU2167060C2 | 2001-05-20 | |||
| RU2139191C1 | 1999-10-10 | |||
| RU2163504C1 | 2001-02-27 |
Attorney, Agent or Firm:
Furman, Ivan Vasilievich (8-86 Moscow, 1, RU)
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