NO174706C - Device for treating water for biological filtration - Google Patents
Device for treating water for biological filtrationInfo
- Publication number
- NO174706C NO174706C NO894854A NO894854A NO174706C NO 174706 C NO174706 C NO 174706C NO 894854 A NO894854 A NO 894854A NO 894854 A NO894854 A NO 894854A NO 174706 C NO174706 C NO 174706C
- Authority
- NO
- Norway
- Prior art keywords
- treating water
- biological filtration
- filtration
- biological
- treating
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D19/00—Degasification of liquids
- B01D19/0005—Degasification of liquids with one or more auxiliary substances
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
- A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Environmental Sciences (AREA)
- Marine Sciences & Fisheries (AREA)
- Biodiversity & Conservation Biology (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Animal Husbandry (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Farming Of Fish And Shellfish (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Biological Treatment Of Waste Water (AREA)
- Physical Water Treatments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8804422A SE465724B (en) | 1988-12-07 | 1988-12-07 | Device for pretreating water in association with water purification |
Publications (4)
Publication Number | Publication Date |
---|---|
NO894854D0 NO894854D0 (en) | 1989-12-05 |
NO894854L NO894854L (en) | 1990-06-08 |
NO174706B NO174706B (en) | 1994-03-14 |
NO174706C true NO174706C (en) | 1994-06-22 |
Family
ID=20374168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO894854A NO174706C (en) | 1988-12-07 | 1989-12-05 | Device for treating water for biological filtration |
Country Status (3)
Country | Link |
---|---|
DK (1) | DK172942B1 (en) |
NO (1) | NO174706C (en) |
SE (1) | SE465724B (en) |
-
1988
- 1988-12-07 SE SE8804422A patent/SE465724B/en not_active IP Right Cessation
-
1989
- 1989-12-05 NO NO894854A patent/NO174706C/en not_active IP Right Cessation
- 1989-12-06 DK DK198906134A patent/DK172942B1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK613489D0 (en) | 1989-12-06 |
SE465724B (en) | 1991-10-21 |
NO174706B (en) | 1994-03-14 |
NO894854D0 (en) | 1989-12-05 |
DK172942B1 (en) | 1999-10-11 |
SE8804422L (en) | 1990-06-08 |
DK613489A (en) | 1990-06-18 |
NO894854L (en) | 1990-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |