CN103145239A - Quick enriching reaction equipment for anammox - Google Patents
Quick enriching reaction equipment for anammox Download PDFInfo
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- CN103145239A CN103145239A CN201310077372XA CN201310077372A CN103145239A CN 103145239 A CN103145239 A CN 103145239A CN 201310077372X A CN201310077372X A CN 201310077372XA CN 201310077372 A CN201310077372 A CN 201310077372A CN 103145239 A CN103145239 A CN 103145239A
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Abstract
The invention belongs to the field of water pollution control, and particularly relates to quick enriching reaction equipment for anammox. The reaction equipment comprises a reactor, a peristaltic pump and a water inlet box, wherein the reactor is a continuous stirring tank type reactor; a water inlet and a mud pipe are arranged at the bottom part of the reactor; the water inlet box is connected with the water inlet by the peristaltic pump; the top part of the reactor is provided with a thermometer probe, a gas collecting tube and a stirrer shaft seal, so as to ensure that the anaerobic environment is at a strictly-sealed state; and a gas-liquid-solid three-phase separator is arranged in the reactor. By adopting the quick enriching reaction equipment for the anammox, the anammox can be quickly enriched for the anaerobic ammonia oxidizing water treatment technology, the concentration of a substrate in the reactor can be decreased, and therefore, the operating yield and the selectivity of a target product of the reactor can be effectively improved.
Description
Technical field
The invention belongs to the water pollution control field, relate in particular to a kind of anaerobic ammonia oxidizing bacteria (
Anammox) the fast enriching conversion unit.
Background technology
In recent years, along with expanding economy, in industry, agricultural and city domestic sewage, the content of nitrogen phosphoric (especially ammonia nitrogen) is more and more higher.A large amount of nitrogen phosphorus waste water directly enters water body without suitable processing, severe contamination water body environment, cause the serious eutrophication in a large amount of rivers and lakes, coastal red tide frequently occurs, human health has also been brought serious harm, further aggravate the contradiction of China's shortage of water resources, seriously restricted the enforcement of the strategy of sustainable development.Most important pollutent ammonia nitrogen wide material sources wherein, content is large, except sanitary sewage, livestock breeding wastewater, a large amount of trade effluents, all contain a large amount of ammonia nitrogens as refinery water, food industrial wastewater, percolate from garbage filling field and sludge liquor etc., the waste water of many types not only nitrogen content is high, and in most cases C/N is lower than very, has brought a lot of difficulties for the harmless treatment of ammonia nitrogen.
Traditional biological denitrification method has played certain effect aspect waste water control, but still has a lot of defectives.As: complete nitrated need of ammonia nitrogen consumes a large amount of oxygen, increased power consumption; The waste water lower to C/N need add organic carbon source; Whole processing technological flow is longer, and floor space is large and initial cost is high.
The research that deepens continuously along with sewage disposal, several novel biological denitrification process were developed in recent years and used, anaerobic ammonia oxidation process wherein need not aeration because of its less energy-consumption, saves carbon source, sludge yield is few, take up an area little advantage and just receiving increasing concern, but this technique still exists some problems to need to be resolved hurrily, as: the anaerobic ammonia oxidizing bacteria generation cycle is long, be difficult to enrichment, cause the reactor start-up overlong time; Anaerobic ammonia oxidizing bacteria is harsh to the waste water quality conditional request, and is responsive to changes in environmental conditions; The operation of conversion unit is more complicated, and the biological volume of holding is lower, fluctuation of service etc., and wherein, anaerobic ammonia oxidizing bacteria is difficult to enrichment and causes anaerobic ammonia oxidation reactor long having become start time to limit the bottleneck that anaerobic ammonia oxidation process is applied.Therefore, be difficult to the situation of enrichment for present anaerobic ammonia oxidizing bacteria, research and develop new installation and new technology that rational in infrastructure, anaerobic ammonia oxidizing bacteria is held that rate is high, enrichment fast and had higher position reason ability, become the inevitable approach that sewage water denitrification is processed development.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of patent of the present invention is to provide a kind of anaerobic ammonia oxidizing bacteria fast enriching conversion unit, this equipment can be Anammox water technology fast enriching anaerobic ammonia oxidizing bacteria, concentration of substrate in reactor be can reduce, thereby purpose product operational yield and the selectivity of reactor effectively improved.
In order to realize above-mentioned purpose, the present invention has adopted following technical scheme:
a kind of anaerobic ammonia oxidizing bacteria fast enriching conversion unit, this conversion unit comprises reactor, peristaltic pump and inlet chest, reactor adopts continuous stirred tank reactor, and the bottom of reactor is provided with water-in and shore pipe, and inlet chest is connected with water-in by peristaltic pump, reactor head guarantees the anaerobic environment strict seal, is provided with thermometer probe, effuser, agitator shaft seal at the top, be provided with gas-liquid-solid triphase separator in reactor, gas-liquid-solid triphase separator comprises annular gas skirt and ring baffle, the top of annular gas skirt is connected with the reactor cavity top, on the annular gas skirt from top to bottom has, lower two staged enlargings, the top of described ring baffle arranges in annular gas skirt, upper, the corresponding position of lower two staged enlargings has the first enlarging and the second enlarging, make and form the first backflow seam between ring baffle and described annular gas skirt, the bottom of ring baffle is vertical baffle, the suitable formation of the bottom of vertical baffle and reactor wall is closed up, form the second backflow seam between closing in and reactor wall, described ring baffle inboard is reaction zone, be provided with mechanical stirrer in reaction zone, mechanical stirrer top and reactor joint portion guarantee the stopping property of reaction zone by described agitator shaft seal, described water-in and shore pipe are arranged on the bottom of reaction zone, the top of reaction zone is provided with effuser, effuser is connected with water seal arrangement, and water seal arrangement is connected with wet flow indicator, the space that described annular gas skirt, ring baffle and reactor wall form is the settling region, and along highly on average being provided with stopple coupon, the top of settling region is provided with rising pipe on the sidewall of settling region.
As preferably, this conversion unit also comprises heating unit, and heating unit is contained on the outside surface of reactor.As preferred again, described heating unit is connected with temperature controller.
As preferably, described mechanical stirrer adopts fan-shaped turbine agitator.
The integral structure that the present invention adopts hybrid reaction district and depositing separation area to build jointly, in establish gas-liquid-solid three-phase separating device; Stir by agitator, make the interior mixed solution of reaction zone be in turbulent state, reduce interfacial layer thickness and the thermograde of flocs unit particle, improve rate of mass transfer; Employing has the fan-shaped turbine agitator of certain load-carrying capacity and the ability of mixing, impels mud to reflux through the seam that refluxes; The reaction zone inwall is established vertical baffle plate, can avoid because stirring causes the mixed solution swirling flow.Patent of the present invention can effectively improve the Anammox mud volume of holding, and is beneficial to the cultivation granule sludge, thereby realizes the fast enriching of Anammox, finally makes system reach good denitrification effect, has absolute predominance than other treatment facilities.It is high, rational in infrastructure, stable that patent of the present invention has a processing efficiency, flexible operation, and capacity utilization is high, the advantage such as the high and working cost of the biological volume of holding is lower.
Patent of the present invention is set to cylindrical with minimizing waterpower dead band, installs the top for guaranteeing the anaerobic environment strict seal, and the top is provided with agitator shaft seal, effuser, thermometer probe.Device inside is provided with gas-liquid-solid three-phase separating device, is reaction zone and settling region integral structure.Reactor is provided with whipping appts, and agitator top and reactor joint portion guarantee the stopping property of reaction zone by shaft seal, and in conversion unit, the volume ratio of reaction zone and settling region is arranged in the scope of 1.5-2.0.Patent of the present invention is provided with water inlet pipe and shore pipe bottom reaction zone, the reaction zone inwall arranges vertical baffle plate, can avoid the mixed solution swirling flow that causes due to stirring.Mud passes back into the settling region through the seam that refluxes, on the settling region sidewall, the edge highly on average is provided with stopple coupon, water leg place on top, settling region is provided with rising pipe, and the bottom, settling region is set to taper and is beneficial to sludge reflux and can holds back aging mud, optimizes outlet effect.Whole reaction unit outside is equipped with heating unit, and is controlled at 35 ± 1 ℃ by temperature controller.Manual simulation's waste water pumps into reactor from distribution reservoir, controls flow by regulating peristaltic pump.
The slave part of patent of the present invention
1. collection and confinement of gases and transmitting device
The gas that produces in treating processes for the assurance system can be able to discharge timely smoothly, simultaneously can guarantee the anaerobic condition of conversion unit again, so a water seal arrangement should be arranged between gas purging mouth and wet test meter, the caliber of gas should be enough large, avoids the solid (or foam) of gas entrainment to produce obstruction.Experience shows the accumulation that has water of condensation in water seal.Therefore, it is essential that an outlet of getting rid of water of condensation is arranged in water seal, to keep certain water level in tank.
2. mud discharging device
Generally along with the increase of sludge concentration in reactor, treatment effect can improve, but mud surpasses certain concentration, should get rid of unnecessary mud to optimize outlet effect.Therefore, the reaction zone in equipment is answered spoil disposal every the corresponding time.General mud discharging should be followed the scale of prior foundation, and at the mud of certain time interval (as every first quarter moon) discharging certain volume, this volume should equal the amount that accumulates during this.The spoil disposal frequency also can determine according to the treatable amount of sludge treatment equipment, and method is the curve spoil disposal that distributes according to the sludge concentration of determining more reliably.It should be discharge SA mud and best high-activity particle mud is retained in reaction zone.Patent of the present invention is established a shore pipe in the bottom of reaction zone, also can be used as the sample stopple coupon simultaneously.
3. gas-liquid-solid three-phase separating device
Patent of the present invention inside is provided with gas-liquid-solid three-phase separating device, this device can effectively be realized the delay of mud in reaction zone, realized sludge retention time (SRT)＞hydraulic detention time (HRT), thereby improved the sludge concentration in reactor, effectively improved the biological volume of holding of patent of the present invention.
4. whipping appts
The churned mechanically mode of patent utilization of the present invention makes anaerobic ammonia oxidizing bacteria fully mix with substrate, while is for hydraulic flow state good in assurance equipment and impel sludge reflux, and agitator adopts the fan-shaped turbine agitator with certain load-carrying capacity and the ability of mixing.This agitator can effectively impel mud to pass back into reaction zone through the seam that refluxes, and guarantees good hydraulic flow state in reactor.
5. Material selection
In test and actual production, can select as the case may be corresponding material: the laboratory bench scale can be selected material, pilot scale or more extensive steel and concrete structure or the brick mix structures etc. of adopting such as synthetic glass or PVC sheet material.
6. heat and lagging facility
Treatment effect is better under mesophilic condition to consider anaerobic ammonia oxidizing bacteria in patent of the present invention, so by be entangled in the surface heated mode of equipment reactor with heating wire, keep the temperature of whole treatment system in the scope of 35 ± 1 ℃ with temperature controller.
The startup of patent of the present invention and steady running part
1. the assembling of equipment
In order to obtain high processing efficiency, must couple together this equipment and some other affiliated facilities, form the complete technique of cover.These affiliated facilities comprise itself, again itself and temperature controller are coupled together to guarantee that the homo(io)thermism of whole system is at 35 ± 1 ℃ such as being wound around in its surface nichrome wire.Also having some is beyond equipment, as with pipeline, distribution reservoir, water inlet peristaltic pump, wet test meter being coupled together, overlaps complete water technology thereby these enclosure group have been consisted of one together.To pass through a water-sealed drainage bottle in the middle of when venting port is connected with the gas quantifier, be filled with the clear water of certain water level in water-sealed drainage bottle.
2. the startup of equipment
After the work such as device assembles are completed, can prepare to start reactor.The startup of reactor is mainly the certain density anaerobic sludge of inoculation, then water inlet operation.The appropriate to the occasion employing of device start manual simulation waste water to be to reduce the impact of other factors, guarantees anaerobic ammonia oxidizing bacteria population advantage when verifying the key parameter control condition that realizes the anaerobic ammonia oxidizing bacteria fast enriching when patent of the present invention starts and steady running, keeps the key parameter control condition of anaerobic ammonia oxidizing bacteria activity.
3. the definite and engineering regulation and control of the monitoring processing parameter of effluent index in equipment running process
In equipment running process, some pollutent indexs such as COD, NH
4 +-N, NO
3 --N, NO
2 -The parameters such as-N, TN and aerogenesis total amount can reflect that patent of the present invention is to treatment effect and the running status of waste water, by monitoring can be from macroscopical judgment device the enrichment condition of anaerobic ammonia oxidizing bacteria, pollutent (particularly ammonia nitrogen) and with the changing conditions of control condition.MLSS, SV, SVI tentatively in judgment device the settling property of mud form with the variation of control condition and form and the structure of anaerobic ammonia oxidizing bacteria mud under enrichment condition.By optimizing the running status of conversion unit to pH value, basicity, redox potential (ORP) and the isoparametric regulation and control of DO, guarantee the efficient removal of ammonia nitrogen.
4. the steady running of equipment
After the reactor start-up success, by stablizing maintenance operation, guarantee that various operating parameters are stable.Can investigate patent of the present invention application in practice by pumping into the water outlet of short distance nitration pilot scale reaction unit afterwards.
Patent of the present invention compared with prior art has the following advantages:
1. realize the fast enriching of anaerobic ammonia oxidizing bacteria, thereby realized processing quick startup and the steady running of the novel anaerobic ammonia oxidation process (as Canon technique) of low-carbon (LC) ratio wastewater.The present invention can reduce concentration of substrate in reactor, thereby effectively improves purpose product operational yield and the selectivity of reactor; The integral structure that adopts hybrid reaction district and depositing separation area to build jointly, in establish gas-liquid-solid three-phase separating device; Stir by agitator, make the interior mixed solution of reaction zone be in turbulent state, reduce interfacial layer thickness and the thermograde of flocs unit particle, improve rate of mass transfer; Employing has the fan-shaped turbine agitator of certain load-carrying capacity and the ability of mixing, impels mud to reflux through the seam that refluxes; The reaction zone inwall is established vertical baffle plate, can avoid because stirring causes the mixed solution swirling flow.Patent of the present invention can effectively improve the Anammox mud volume of holding, and is beneficial to the cultivation granule sludge, thereby realizes the fast enriching of Anammox, finally makes system reach good denitrification effect.
2. save organic carbon source and aeration rate, need not additionally to add acid-base neutralisation reagent, the excess sludge discharge amount is few, and working cost is low.Patent utilization anaerobic ammonia oxidizing bacteria of the present invention carries out nitrogen and removes, and therefore anaerobic ammonia oxidizing bacteria can not need to add in addition carbon source directly with the electron donor of ammonia nitrogen as anti-nitration reaction in reaction process, need not the oxygen supply energy consumption yet.Because one step of ammonia oxidation in anaerobic ammonium oxidation process completes, produce the acid amount and greatly descend, produce alkali number and be down to zero, thereby saved the considerable expense that additionally adds acid-base neutralisation reagent.And because the anaerobic ammonia oxidizing bacteria generation cycle is long, the excess sludge discharge amount of conversion unit is less.
3. the biological volume of holding is high.Patent of the present invention has effectively realized the delay of mud in reaction zone by the gas-liquid-solid triphase separator that inside arranges, and has realized sludge retention time (SRT)＞hydraulic detention time (HRT), thereby has improved the sludge concentration in reactor, and passes through N
2Shearing and the stirring action of fan-shaped turbine agitator form sludge retention amount in the further enhanced system of granule sludge, and the Anammox function of reinforcing particle mud, thus further strengthen the treatment effect of patent of the present invention.
Description of drawings
Fig. 1 is the structural representation of patent of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is made a detailed explanation.
A kind of anaerobic ammonia oxidizing bacteria fast enriching conversion unit as shown in Figure 1, this conversion unit comprises reactor 1, heating unit 15, peristaltic pump 3 and inlet chest 2, reactor 1 adopts continuous stirred tank reactor 1, the bottom of reactor 1 is provided with water-in 9 and shore pipe 10, and inlet chest 2 is connected with water-in 9 by peristaltic pump 3.Described heating unit 15 is contained on the outside surface of reactor 1, heating unit 15 is connected with temperature controller 16, consider the anaerobic ammonia oxidizing bacteria good characteristics for the treatment of effect under mesophilic condition, control the temperature variation of heating unit 15 with temperature controller 16, keep the temperature of reactor 1 in 35 ± 1 ℃ of scopes.reactor 1 top guarantees the anaerobic environment strict seal, is provided with thermometer probe, effuser 15, agitator shaft seal at the top, be provided with gas-liquid-solid triphase separator in reactor 1, gas-liquid-solid triphase separator comprises annular gas skirt 5 and ring baffle 6, top and the reactor 1 cavity top of annular gas skirt 5 is connected, on annular gas skirt 5 from top to bottom has, lower two staged enlargings 51, 52, the top of described ring baffle 6 arranges in annular gas skirt 5, upper, lower two staged enlargings 51, 52 corresponding position has the first enlarging 61 and the second enlarging 62, make and form the first backflow seam 11 between ring baffle 6 and described annular gas skirt 5, the bottom of ring baffle 6 is vertical baffle 63, the bottom of vertical baffle 63 and the reactor 1 suitable formation of inwall close up 64, form the second backflow seam 12 between closing in 64 and reactor 1 inwall.Described ring baffle 6 inboards are reaction zone 7, are provided with mechanical stirrer 4 in reaction zone 7, and mechanical stirrer 4 adopts fan-shaped turbine agitator.Mechanical stirrer 4 tops and reactor 1 joint portion guarantee the stopping property of reaction zone 7 by described agitator shaft seal, described water-in 9 and shore pipe 10 are arranged on the bottom of reaction zone 7, the top of reaction zone 7 is provided with effuser 15, effuser 15 is connected with water seal arrangement 17, and water seal arrangement 17 is connected with wet flow indicator 18.Described annular gas skirt 5, ring baffle 6 are settling region 8 with the space that reactor 1 inwall forms, and along highly on average being provided with stopple coupon 19, the top of settling region 8 is provided with rising pipe 13 on the sidewall of settling region 8.
This equipment is in operational process, accurately substrate (ammonia nitrogen and nitrite ratio are manual simulation's waste water or the water outlet of short distance nitration system of 1:1.2) is pumped into the water-in 9 of this device bottom from distribution reservoir by peristaltic pump 3, waste water effect by mechanical stirrer 4 in the reaction zone 7 of device interior fully mixes with Anammox mud, then pass back into the settling region by the first backflow seam 11, finally discharge from the shore pipe 10 of this equipment.The gas of reaction zone 7 interior generations from device top venting hole 14 discharges, then passes through the gas production rate of wet test meter 18 measurable systems by gas-liquid-solid triphase separator.
Claims (4)
1. anaerobic ammonia oxidizing bacteria fast enriching conversion unit, it is characterized in that: this conversion unit comprises reactor (1), peristaltic pump (3) and inlet chest (2), reactor (1) adopts continuous stirred tank reactor (1), the bottom of reactor (1) is provided with water-in (9) and shore pipe (10), and inlet chest (2) is connected with water-in (9) by peristaltic pump (3), reactor (1) top guarantees the anaerobic environment strict seal, is provided with thermometer probe, agitator shaft seal at the top, reactor is provided with gas-liquid-solid triphase separator in (1), gas-liquid-solid triphase separator comprises annular gas skirt (5) and ring baffle (6), the top of annular gas skirt (5) is connected with reactor (1) cavity top, on annular gas skirt (5) from top to bottom has, lower two staged enlargings (51, 52), the top of described ring baffle (6) arranges in annular gas skirt (5), upper, lower two staged enlargings (51, 52) corresponding position has the first enlarging (61) and the second enlarging (62), make and form the first backflow seam (11) between ring baffle (6) and described annular gas skirt (5), the bottom of ring baffle (6) is vertical baffle (63), the suitable formation closing in of the bottom of vertical baffle (63) and reactor (1) inwall (64), form the second backflow seam (12) between closing in (64) and reactor (1) inwall, described ring baffle (6) inboard is reaction zone (11), be provided with mechanical stirrer (4) in reaction zone (11), mechanical stirrer (4) top and reactor (1) joint portion guarantee the stopping property of reaction zone (11) by described agitator shaft seal, described water-in (9) and shore pipe (10) are arranged on the bottom of reaction zone (11), the top of reaction zone (11) is provided with effuser (14), effuser (14) is connected with water seal arrangement (17), and water seal arrangement (17) is connected with wet flow indicator (18), described annular gas skirt (5), ring baffle (6) are settling region (8) with the space that reactor (1) inwall forms, along highly on average being provided with stopple coupon (19), the top of settling region (8) is provided with rising pipe (13) on the sidewall of settling region (8).
2. a kind of anaerobic ammonia oxidizing bacteria fast enriching conversion unit according to claim 1, it is characterized in that: this conversion unit also comprises heating unit (15), heating unit (15) is contained on the outside surface of reactor (1).
3. a kind of anaerobic ammonia oxidizing bacteria fast enriching conversion unit according to claim 1, it is characterized in that: heating unit (15) is connected with temperature controller (16).
4. a kind of anaerobic ammonia oxidizing bacteria fast enriching conversion unit according to claim 1, it is characterized in that: mechanical stirrer (4) adopts fan-shaped turbine agitator.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310077372.XA CN103145239B (en) | 2013-03-11 | 2013-03-11 | Quick enriching reaction equipment for anammox |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310077372.XA CN103145239B (en) | 2013-03-11 | 2013-03-11 | Quick enriching reaction equipment for anammox |
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| CN103145239A true CN103145239A (en) | 2013-06-12 |
| CN103145239B CN103145239B (en) | 2014-10-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396096A (en) * | 2016-11-04 | 2017-02-15 | 苏州依斯倍环保装备科技有限公司 | Method and device for culturing anaerobic granular sludge |
| CN108358312A (en) * | 2018-03-29 | 2018-08-03 | 安徽省天虹绿洲环保科技有限公司 | A kind of anaerobic reactor for sewage disposal |
| CN108928919A (en) * | 2018-09-20 | 2018-12-04 | 苏州清然环保科技有限公司 | Anammox water treatment facilities |
| CN110734132A (en) * | 2019-08-28 | 2020-01-31 | 天津大学 | Short-term rapid enrichment reaction device for anaerobic ammonium oxidation bacteria |
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| CN201058827Y (en) * | 2007-06-05 | 2008-05-14 | 浙江大学 | Highly effective anaerobic ammonia oxidation reactor |
| CN101195803A (en) * | 2007-12-25 | 2008-06-11 | 浙江大学 | Anaerobic ammonoxidation bacterium concentrating device |
| JP2008290026A (en) * | 2007-05-25 | 2008-12-04 | Aisin Seiki Co Ltd | Cultivation composition |
| JP2011240327A (en) * | 2010-04-20 | 2011-12-01 | Kojima Kagaku Yakuhin Kk | Treatment method for wastewater containing nitrate nitrogen |
| CN102531161A (en) * | 2010-12-13 | 2012-07-04 | 中国科学院城市环境研究所 | Rapid enrichment reaction device for denitrifying phosphorus removing bacteria |
| CN203112585U (en) * | 2013-03-11 | 2013-08-07 | 丽水学院 | Anammox quick enrichment and reaction equipment |
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2013
- 2013-03-11 CN CN201310077372.XA patent/CN103145239B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008290026A (en) * | 2007-05-25 | 2008-12-04 | Aisin Seiki Co Ltd | Cultivation composition |
| CN201058827Y (en) * | 2007-06-05 | 2008-05-14 | 浙江大学 | Highly effective anaerobic ammonia oxidation reactor |
| CN101195803A (en) * | 2007-12-25 | 2008-06-11 | 浙江大学 | Anaerobic ammonoxidation bacterium concentrating device |
| JP2011240327A (en) * | 2010-04-20 | 2011-12-01 | Kojima Kagaku Yakuhin Kk | Treatment method for wastewater containing nitrate nitrogen |
| CN102531161A (en) * | 2010-12-13 | 2012-07-04 | 中国科学院城市环境研究所 | Rapid enrichment reaction device for denitrifying phosphorus removing bacteria |
| CN203112585U (en) * | 2013-03-11 | 2013-08-07 | 丽水学院 | Anammox quick enrichment and reaction equipment |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106396096A (en) * | 2016-11-04 | 2017-02-15 | 苏州依斯倍环保装备科技有限公司 | Method and device for culturing anaerobic granular sludge |
| CN108358312A (en) * | 2018-03-29 | 2018-08-03 | 安徽省天虹绿洲环保科技有限公司 | A kind of anaerobic reactor for sewage disposal |
| CN108358312B (en) * | 2018-03-29 | 2024-06-07 | 安徽久吾天虹环保科技有限公司 | Anaerobic reactor for sewage treatment |
| CN108928919A (en) * | 2018-09-20 | 2018-12-04 | 苏州清然环保科技有限公司 | Anammox water treatment facilities |
| CN110734132A (en) * | 2019-08-28 | 2020-01-31 | 天津大学 | Short-term rapid enrichment reaction device for anaerobic ammonium oxidation bacteria |
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| CN103145239B (en) | 2014-10-29 |
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Granted publication date: 20141029 Termination date: 20170311 |