KR940020702U - Aeration device to increase the dissolved amount of oxygen - Google Patents
Aeration device to increase the dissolved amount of oxygenInfo
- Publication number
- KR940020702U KR940020702U KR2019930001740U KR930001740U KR940020702U KR 940020702 U KR940020702 U KR 940020702U KR 2019930001740 U KR2019930001740 U KR 2019930001740U KR 930001740 U KR930001740 U KR 930001740U KR 940020702 U KR940020702 U KR 940020702U
- Authority
- KR
- South Korea
- Prior art keywords
- oxygen
- increase
- aeration device
- dissolved amount
- dissolved
- Prior art date
Links
- 238000005273 aeration Methods 0.000 title 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title 1
- 229910052760 oxygen Inorganic materials 0.000 title 1
- 239000001301 oxygen Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/14—Activated sludge processes using surface aeration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019930001740U KR950009969Y1 (en) | 1993-02-10 | 1993-02-10 | Aeration device to increase dissolved oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019930001740U KR950009969Y1 (en) | 1993-02-10 | 1993-02-10 | Aeration device to increase dissolved oxygen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR940020702U true KR940020702U (en) | 1994-09-17 |
| KR950009969Y1 KR950009969Y1 (en) | 1995-11-23 |
Family
ID=19350582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019930001740U KR950009969Y1 (en) | 1993-02-10 | 1993-02-10 | Aeration device to increase dissolved oxygen |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR950009969Y1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020024964A (en) * | 2000-09-27 | 2002-04-03 | 한민수 | Device melting oxygen and air by pipe form |
-
1993
- 1993-02-10 KR KR2019930001740U patent/KR950009969Y1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020024964A (en) * | 2000-09-27 | 2002-04-03 | 한민수 | Device melting oxygen and air by pipe form |
Also Published As
| Publication number | Publication date |
|---|---|
| KR950009969Y1 (en) | 1995-11-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19930210 |
|
| UA0201 | Request for examination |
Patent event date: 19930210 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
| UG1501 | Laying open of application | ||
| E902 | Notification of reason for refusal | ||
| UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19950905 |
|
| UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19951028 |
|
| E701 | Decision to grant or registration of patent right | ||
| UE0701 | Decision of registration |
Patent event date: 19960205 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
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| REGI | Registration of establishment | ||
| UR0701 | Registration of establishment |
Patent event date: 19960217 Patent event code: UR07011E01D Comment text: Registration of Establishment |
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| UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19960217 |
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| UR1001 | Payment of annual fee |
Payment date: 19980911 Start annual number: 4 End annual number: 4 |
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| UR1001 | Payment of annual fee |
Payment date: 19990909 Start annual number: 5 End annual number: 5 |
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| UR1001 | Payment of annual fee |
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| FPAY | Annual fee payment |
Payment date: 20050928 Year of fee payment: 11 |
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| UR1001 | Payment of annual fee |
Payment date: 20050928 Start annual number: 11 End annual number: 11 |
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| LAPS | Lapse due to unpaid annual fee | ||
| UC1903 | Unpaid annual fee |
Termination date: 20071010 Termination category: Default of registration fee |