CN100345776C - Highly effective methane-producing device for high concentration waste water treatment - Google Patents
Highly effective methane-producing device for high concentration waste water treatment Download PDFInfo
- Publication number
- CN100345776C CN100345776C CNB2005100944841A CN200510094484A CN100345776C CN 100345776 C CN100345776 C CN 100345776C CN B2005100944841 A CNB2005100944841 A CN B2005100944841A CN 200510094484 A CN200510094484 A CN 200510094484A CN 100345776 C CN100345776 C CN 100345776C
- Authority
- CN
- China
- Prior art keywords
- reactor
- biogas
- tank
- highly effective
- hot water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 17
- 239000002351 wastewater Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 239000000523 sample Substances 0.000 claims description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- 238000007667 floating Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000010815 organic waste Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 210000001624 Hip Anatomy 0.000 claims description 3
- 230000003139 buffering Effects 0.000 claims description 3
- 238000006477 desulfuration reaction Methods 0.000 claims description 3
- 230000003009 desulfurizing Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000008187 granular material Substances 0.000 description 3
- 238000011068 load Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000027455 binding Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000000969 carrier Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The present invention relates to a high concentration wastewater treatment device producing biogas in high efficiency, which belongs to equipment device used for environmental engineering. The present invention is a device which produces biogas in high efficiency in a full automation mode, and treats organic wastewater in an anaerobic mode, and the device is mainly composed of a novel expanded granular sludge bed(EGSB for short)reactor and a computer monitor system. The present invention can effectively treat organic wastewater, and simultaneously, can produce biogas in high efficiency; the present invention provides an ideal environmental engineering equipment device for the high efficiency treatment of organic wastewater, and biogas scale production.
Description
Technical field
The present invention relates to a kind of new and effective product biogas wastewater treatment equipment, belong to environmental engineering equipment used device.
Background technology
The existing traditional reactor of anaerobic reactor had modern high efficiency reactor again, and anaerobic technique has developed into the multiple reactor types of CGSB (EGSB and IC) of anaerobic filter (AF), anaerobic fluidized bed reactor (AFB), up-flow anaerobic sludge blanket (UASB) and the third generation of the s-generation from the anaerobic digester of the initial first-generation through the development in over one hundred year.Along with industrialized propelling, energy dilemma and problem of environmental pollution are more and more outstanding, and this requires reactor can effectively handle high concentrated organic wastewater, can high-efficiency automatic produce biogas again simultaneously, and existing reactors can not well meet the demands.
Summary of the invention
Purpose of the present invention: provide a kind of new and effective product biogas wastewater treatment equipment, be applied to handle industrial organic waste water and produce the biogas field, can accomplish modularization, automatization, the efficient factor of created gase of biogas production.
Technical scheme of the present invention: the device of the anaerobic treatment organic waste water of the full-automatic highly effective methane-producing that is assembled into by novel expanded granular sludge bed (Expanded Granular Sludge Bed, be called for short EGSB) reactor and computer supervisory control system.Described device is by data handler 1, online biogas detector 2, digester 3, scrubber tank 4, gas meter 5, floating gas tank 6, EGSB reactor 7, the temperature panel shows 8, the pH panel shows 9, temperature overheating control 10, control data cabinet 11, terminal controller 12, charging stock tank 13, low liquid level warning 14, fresh feed pump 15, surge tank 16, recycle pump 17, heat pump 18, well heater 19, computer data line 20 constitutes, charging stock tank 13 connects fresh feed pump 15, fresh feed pump 15 connects surge tank 16, surge tank 16 is connected with EGSB reactor 7, waste water comes out to squeeze into reactor bottom waste water import 24 through recycle pump 17 from surge tank 16, get back to surge tank by the wastewater outlet 22 on reactor top and form a circulation line, after wastewater treatment is up to standard, discharge from buffering pot bottom discharge outlet, in the reactor the biogas that produces draw by the methane outlet 21 of reactor head, biogas is by the floating gas tank 6 of pipeline process successively, gas meter 5, send the user to use behind scrubber tank 4 and the digester 3, this device is equipped with online biogas detector 2 and data handler 1, irritates to join with desulfurization biogas is carried out online detection; By the adding hot water inlet 30, add hot water outlet 23 and form a heating cycle pipeline of well heater 19, heat pump 18 and EGSB reactor 7, hot water heats reactor by reactor jacket; Temperature overheating control 10 is housed on well heater, in reactor head temp probe 25 and pH probe 26 are housed, temp probe 25 and temperature panel show that 8 bindings, pH probe 26 and pH panel show that 9 link, design has a control data cabinet 11, with gas meter, temperature panel show, the pH panel shows, temperature overheating control and the demonstration and/or the operation control of floating low alarm device, fresh feed pump, recycle pump and the heat pump of gas tank, charging stock tank all operate by the control data cabinet, the control data cabinet is connected by computer data line 20 and terminal controller 12.
CGSB is that cylindrical structural is vertically placed, comprise reaction zone 29, triphase separator 28, side opening respectively is waste water import 24, wastewater outlet 22, adds hot water inlet 30, adds hot water outlet 23, reactor top be methane outlet 21, in establish temp probe 25 and pH probe 26, stainless steel tightness system 27 is taked on the top, and base 31 is fixed by nut.
The installation of CGSB, reactor is vertically placed, and base is fixed by nut, and outer wall is fixed by the waist hoop, and nut seal is passed through by the stainless steel sealing cover in the top.
CGSB volume 5 * 10
-3m
3-2000m
3, aspect ratio H: D is 10: 1-2: 1, and material is glass or iron and steel, upper and lower opening is connected with steel flange.
Surge tank is cylindrical, and volume is 3.5 * 10
-3m
3-300m
3, material is glass or iron and steel.
Floating gas tank is for the bulbus cordis back-off is in cylindrical vessel in midair, and material is glass or iron and steel.
Temperature and pH in the reactor add the liquid level of hot water, and the biogas amount is by computer system control and detecting automatically.
Beneficial effect of the present invention: adopted new E GSB reactor to have higher organic loading, hydraulic load can meet the demands; The impact capacity of the anti-unfavourable condition of reactor is strengthened; Has higher upflow velocity, especially granule sludge EGSB reactor is because the density of granule sludge is less, in the hydraulic load scope of appropriateness, can lean on the gas that produces in the reactor to realize the thorough mixing of mud and matrix and contact, improve the efficient of reactor greatly; Gu be provided with on reactor top gas--the liquid triphase separator, to the good mud of sedimentation or granule sludge separate and subside and Returning reactor main body voluntarily, must not set up precipitation separation device, auxiliary de-gassing vessel and returned sluge equipment, simplify technology, saved investment and working cost; In reactor, need not add filler and carrier, improve capacity utilization, avoid blockage problem.
Be connected with computer by data line simultaneously, temperature and pH in the reactor add the hot water liquid level, and the biogas amount is by computer system control and detection automatically.Level of automation is very high, greatly reduces hand labor intensity.
This device both can effectively be handled industrial organic waste water, reduced environmental pollution, can also replenish the cities and towns energy resource supply, made more contribution in the biogas production field for the environmental protection cause of country.
Still do not have in the world now and to be similar to design of the present invention, it is in structure and use unique principle is arranged, and its field of using is anaerobic treatment industrial organic waste water High-efficient Production biogas.
Description of drawings
The wastewater treatment equipment of Fig. 1 highly effective methane-producing constitutes synoptic diagram.
Fig. 2 CGSB synoptic diagram.
1. data handler, 2, online biogas detector, 3, digester, 4, scrubber tank, 5, gas meter, 6, floating gas tank, 7, the EGSB reactor, 8, the temperature panel shows, 9, the pH panel shows, 10, temperature overheating control, 11, the control data cabinet, 12, terminal controller, 13, charging stock tank, 14, low liquid level warning, 15, fresh feed pump, 16, surge tank, 17, recycle pump, 18, heat pump, 19, well heater, 20, computer data line.
Relative configurations on the reactor is: 21, methane outlet, 22, wastewater outlet, 23, add hot water outlet, 24, the waste water import, 25, temp probe, 26, pH probe, 27, tightness system, 28, triphase separator, 29, reaction zone, 30, add hot water inlet, 31, base.
Embodiment
The device of the anaerobic treatment organic waste water of the full-automatic highly effective methane-producing that a kind of wastewater treatment equipment of highly effective methane-producing is made up of CGSB and computer supervisory control system, described device is by data handler 1, online biogas detector 2, digester 3, scrubber tank 4, gas meter 5, floating gas tank 6, EGSB reactor 7, the temperature panel shows 8, the pH panel shows 9, temperature overheating control 10, control data cabinet 11, terminal controller 12, charging stock tank 13, low liquid level warning 14, fresh feed pump 15, surge tank 16, recycle pump 17, heat pump 18, well heater 19, computer data line 20 constitutes, charging stock tank 13 connects fresh feed pump 15, fresh feed pump 15 connects surge tank 16, surge tank 16 is connected with EGSB reactor 7, waste water comes out to squeeze into reactor bottom waste water import 24 through recycle pump 17 from surge tank 16, get back to surge tank by the wastewater outlet 22 on reactor top and form a circulation line, after wastewater treatment is up to standard, discharge from buffering pot bottom discharge outlet, in the reactor the biogas that produces draw by the methane outlet 21 of reactor head, biogas is by the floating gas tank 6 of pipeline process successively, gas meter 5, send the user to use behind scrubber tank 4 and the digester 3, this device is equipped with online biogas detector 2 and data handler 1, irritates to join with desulfurization biogas is carried out online detection; By the adding hot water inlet 30, add hot water outlet 23 and form a heating cycle pipeline of well heater 19, heat pump 18 and EGSB reactor 7, hot water heats reactor by reactor jacket; Temperature overheating control 10 is housed on well heater, in reactor head temp probe 25 and pH probe 26 are housed, temp probe 25 and temperature panel show that 8 bindings, pH probe 26 and pH panel show that 9 link, design has a control data cabinet 11, with gas meter, temperature panel show, the pH panel shows, temperature overheating control and the demonstration and/or the operation control of floating low alarm device, fresh feed pump, recycle pump and the heat pump of gas tank, charging stock tank all operate by the control data cabinet, the control data cabinet is connected by computer data line 20 and terminal controller 12.
CGSB is that cylindrical structural is vertically placed, comprise reaction zone 29, triphase separator 28, side opening respectively is waste water import 24, wastewater outlet 22, adds hot water inlet 30, adds hot water outlet 23, reactor top be methane outlet 21, in establish temp probe 25 and pH probe 26, stainless steel tightness system 27 is taked on the top, and base 31 is fixed by nut.
The installation of EGSB reactor, reactor is vertically placed, and base is fixed by nut, and outer wall is fixed by the waist hoop, and nut seal is passed through by the stainless steel sealing cover in the top.
Claims (7)
1, a kind of wastewater treatment equipment of highly effective methane-producing, it is characterized in that the device of the anaerobic treatment organic waste water of the full-automatic highly effective methane-producing be made up of CGSB and computer supervisory control system, described device is by data handler (1), online biogas detector (2), digester (3), scrubber tank (4), gas meter (5), floating gas tank (6), CGSB (7), the temperature panel shows (8), the pH panel shows (9), temperature overheating control (10), control data cabinet (11), terminal controller (12), charging stock tank (13), low liquid level warning (14), fresh feed pump (15), surge tank (16), recycle pump (17), heat pump (18), well heater (19), computer data line (20) constitutes; Charging stock tank (13) connects fresh feed pump (15), fresh feed pump (15) connects surge tank (16), surge tank (16) is connected with CGSB (7), waste water comes out to squeeze into reactor bottom waste water import (24) through recycle pump (17) from surge tank (16), get back to surge tank by the wastewater outlet (22) on reactor top and form a circulation line, after wastewater treatment is up to standard, discharge from buffering pot bottom discharge outlet; In the reactor the biogas that produces draw by the methane outlet (21) of reactor head, biogas send the user to use after floating gas tank (6), gas meter (5), scrubber tank (4) and digester (3) by pipeline successively, this device is equipped with online biogas detector (2) and data handler (1), irritates to join with desulfurization biogas is carried out online detection; By the adding hot water inlet (30), add hot water outlet (23) and form one and add hot water circulating pipeline of well heater (19), heat pump (18) and CGSB (7), hot water heats reactor by reactor jacket; Temperature overheating control (10) is housed on well heater, in reactor head temp probe (25) and pH probe (26) are housed, temp probe (25) and temperature panel show that (8) link, pH probe (26) and pH panel show that (9) link, design has a control data cabinet (11), with gas meter, the temperature panel shows, the pH panel shows, gas tank is controlled and floated to temperature overheating, the low alarm device of charging stock tank, fresh feed pump, the demonstration of recycle pump and heat pump and/or operation control all operate by the control data cabinet, and the control data cabinet is connected by computer data line (20) and terminal controller (12).
2. the wastewater treatment equipment of highly effective methane-producing according to claim 1, it is characterized in that CGSB is that cylindrical structural is vertically placed, comprise reaction zone (29), triphase separator (28), side opening respectively is waste water import (24), wastewater outlet (22), adds hot water inlet (30), adds hot water outlet (23), reactor top be methane outlet (21), in establish temp probe (25) and pH probe (26), stainless steel tightness system (27) is taked on the top, and base (31) is fixed by nut.
3. the wastewater treatment equipment of highly effective methane-producing according to claim 1, it is characterized in that the installation of CGSB, reactor is vertically placed, and base is fixed by nut, outer wall is fixed by the waist hoop, and nut seal is passed through by the stainless steel sealing cover in the top.
4. the wastewater treatment equipment of highly effective methane-producing according to claim 1 is characterized in that CGSB volume 5 * 10
-3m
3-2000m
3, aspect ratio H: D is 10: 1-2: 1, and material is glass or iron and steel, upper and lower opening is connected with steel flange.
5. the wastewater treatment equipment of highly effective methane-producing according to claim 1 is characterized in that surge tank is cylindrical, and volume is 3.5 * 10
-3m
3-300m
3, material is glass or iron and steel.
6. the wastewater treatment equipment of highly effective methane-producing according to claim 1 is characterized in that floating gas tank for the bulbus cordis back-off is in cylindrical vessel in midair, and material is glass or iron and steel.
7. the wastewater treatment equipment of highly effective methane-producing according to claim 1 is characterized in that temperature and pH in the reactor, adds the liquid level of hot water, and the biogas amount is by computer system control and detection automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100944841A CN100345776C (en) | 2005-09-19 | 2005-09-19 | Highly effective methane-producing device for high concentration waste water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100944841A CN100345776C (en) | 2005-09-19 | 2005-09-19 | Highly effective methane-producing device for high concentration waste water treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1769209A CN1769209A (en) | 2006-05-10 |
| CN100345776C true CN100345776C (en) | 2007-10-31 |
Family
ID=36750805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100944841A Expired - Fee Related CN100345776C (en) | 2005-09-19 | 2005-09-19 | Highly effective methane-producing device for high concentration waste water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100345776C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805066B (en) * | 2010-04-20 | 2011-12-21 | 上海大学 | Method and device for preventing scaling of reactor and simultaneously purifying biogas |
| CN110862143A (en) * | 2018-08-27 | 2020-03-06 | 中国石油化工股份有限公司 | Automatic oxygen-deficient expansion bed device for high-concentration nitrate-nitrogen wastewater treatment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000263084A (en) * | 1999-03-16 | 2000-09-26 | Sumitomo Heavy Ind Ltd | Waste water treatment equipment and waste water treatment method |
| CN2598997Y (en) * | 2003-01-24 | 2004-01-14 | 天津清华德人环境工程有限公司 | Expansion particle sludge bed organic waste water anaerobic reactor |
| CN1526661A (en) * | 2003-09-25 | 2004-09-08 | 江南大学 | Intermediate water reusing technology with combined reactor system for treating domestic sewage |
| JP2004358391A (en) * | 2003-06-05 | 2004-12-24 | Kurita Water Ind Ltd | Treatment method and treatment apparatus of organic waste |
| CN2844107Y (en) * | 2005-09-19 | 2006-12-06 | 江南大学 | High-concentration waste-water treater of high-efficient marsh gas generator |
-
2005
- 2005-09-19 CN CNB2005100944841A patent/CN100345776C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000263084A (en) * | 1999-03-16 | 2000-09-26 | Sumitomo Heavy Ind Ltd | Waste water treatment equipment and waste water treatment method |
| CN2598997Y (en) * | 2003-01-24 | 2004-01-14 | 天津清华德人环境工程有限公司 | Expansion particle sludge bed organic waste water anaerobic reactor |
| JP2004358391A (en) * | 2003-06-05 | 2004-12-24 | Kurita Water Ind Ltd | Treatment method and treatment apparatus of organic waste |
| CN1526661A (en) * | 2003-09-25 | 2004-09-08 | 江南大学 | Intermediate water reusing technology with combined reactor system for treating domestic sewage |
| CN2844107Y (en) * | 2005-09-19 | 2006-12-06 | 江南大学 | High-concentration waste-water treater of high-efficient marsh gas generator |
Non-Patent Citations (1)
| Title |
|---|
| 膨胀颗粒污泥床(E G S B)反应器的研究进展 左剑恶，王妍春，陈浩，中国沼气，第18卷第4期 2000 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1769209A (en) | 2006-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100376492C (en) | Waste water treatment apparatus for generating firedamp and self-circulating anaerobic reactor thereby | |
| CN101597562B (en) | Secondary anaerobic fermentation and power generation system for large-middle scale biogas engineering | |
| Mahmudul et al. | A comprehensive review of the recent development and challenges of a solar-assisted biodigester system | |
| CN201334394Y (en) | Full-automatic internal and external circulation PEIC anaerobic reactor | |
| CN102874921B (en) | Up-flow anaerobic sludge bed reactor and operation method | |
| CN110468033B (en) | Anaerobic digestion device for strengthening methane production by utilizing self-sustaining air flotation | |
| CN105693045B (en) | Intelligent distributed sewage recycling system | |
| CN100345776C (en) | Highly effective methane-producing device for high concentration waste water treatment | |
| CN2844107Y (en) | High-concentration waste-water treater of high-efficient marsh gas generator | |
| CN200943057Y (en) | Waste water treating apparatus for generating marsh gas and self-circulating anaerobic reactor | |
| CN105032885A (en) | Anaerobic-aerobiotic integrated treatment device and treatment method of town household garbage | |
| CN102491598B (en) | Sewage disposal system | |
| CN202369475U (en) | Sewage treatment system | |
| Dölle et al. | From fossil fuels to renewable biogas production from biomass based feedstock—a review of anaerobic digester systems | |
| CN203284246U (en) | Anaerobic reactor for landfill leachate treatment | |
| CN203382611U (en) | Treatment device for wastewater from production of purified terephthalic acid | |
| CN203212380U (en) | Anaerobic bioreactor for treating organic wastewater with high solid content | |
| KR101286072B1 (en) | Two-phase anaerobic digestion apparatus | |
| CN101597561A (en) | A kind of biogas-lift reinforced anaerobic reactor and application thereof | |
| CN205133231U (en) | Livestock -raising waste water upflow anaerobic sludge blanket | |
| CN206127088U (en) | Be used for high solid -state anaerobic fermentation processing apparatus of cities and towns mud | |
| CN202539174U (en) | Garbage treatment device | |
| CN203794819U (en) | PET (Polyethylene Glycol Terephthalate) production system capable of recycling acetaldehyde and reducing ethanediol content at process tower top | |
| CN103334861A (en) | Power generation system applied to pharmaceutical chemical sewage treatment anaerobic tower and working method thereof | |
| CN103214089B (en) | Anaerobic bioreactor for treating organic waste water with high solid content and operating method of anaerobic bioreactor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jiangsu Dingze Environmental Engineering Co., Ltd. Assignor: Jiangnan University Contract fulfillment period: 2007.11.5 to 2012.11.5 contract change Contract record no.: 2008320000431 Denomination of invention: Highly effective methane-producing device for high concentration waste water treatment Granted publication date: 20071031 License type: Exclusive license Record date: 2008.9.26 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENCE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.11.5 TO 2012.11.5 Name of requester: JIANGSU DING ZE ENVIRONMENTAL ENGINEERING CO. Effective date: 20080926 |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |