Title:
AID AND PROCESS FOR DEHYDRATING SLUDGE
Document Type and Number:
WIPO Patent Application WO/1985/004857
Kind Code:
A1
Abstract:
An organic fibrous material, prepared by pressure molding or moistening with water to increase the bulk density, and a high molecular flocculant are added to a sludge, and the resulting flocs are adjusted to 1 mm or less in diameter and dehydrated under vacuum or by filtration under pressure.
Inventors:
NODA KIMIHIKO (JP)
FUJIURA YOJI (JP)
HASEGAWA YOICHI (JP)
FUJIURA YOJI (JP)
HASEGAWA YOICHI (JP)
Application Number:
PCT/JP1984/000214
Publication Date:
November 07, 1985
Filing Date:
April 24, 1984
Export Citation:
Assignee:
SANYO CHEMICAL IND LTD (JP)
International Classes:
B01D37/02; C02F1/52; C02F1/54; C02F11/122; (IPC1-7): C02F11/14; B01D21/01; B01D37/02
Foreign References:
| JPS512244A | 1976-01-09 | |||
| JPS4736054A | ||||
| JPS57130599A | 1982-08-13 |
Other References:
Kobunshi Gakkai-hen "Mizu Shori no Kobunshi Kagaku to Gijutsu (Ge), Kobunshi Mizu Shorizai" 15 April 1976 (15.04.76), Chijinsho-kan Kabushiki Kaisha, page 10, the 10the line from the bottom to the last line
Oomori Eizo (author) "Kobunshi Gyoshuzai" 25 October 1977 (25.10.77) Kobunshi Kankokai Kabushiki Kaisha P. 34, 36-39, 45, 49-54, 89
Shadan Hojin Kagaku Kyokai-hen "Suishitsu Odaku Boshi Gijutsu to Sochi 6, Sludge no Shori Gijutsu to Sochi" 20 October 1978 (20.10.78) Baifukan Kabushiki Kaisha P. 121
Oomori Eizo (author) "Kobunshi Gyoshuzai" 25 October 1977 (25.10.77) Kobunshi Kankokai Kabushiki Kaisha P. 34, 36-39, 45, 49-54, 89
Shadan Hojin Kagaku Kyokai-hen "Suishitsu Odaku Boshi Gijutsu to Sochi 6, Sludge no Shori Gijutsu to Sochi" 20 October 1978 (20.10.78) Baifukan Kabushiki Kaisha P. 121
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