CN105692874B - A kind of method of half short-cut nitrification technology of quick startup - Google Patents

A kind of method of half short-cut nitrification technology of quick startup Download PDF

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Publication number
CN105692874B
CN105692874B CN201610040175.4A CN201610040175A CN105692874B CN 105692874 B CN105692874 B CN 105692874B CN 201610040175 A CN201610040175 A CN 201610040175A CN 105692874 B CN105692874 B CN 105692874B
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concentration
roxithromycin
cut nitrification
half short
water
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CN105692874A (en
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金仁村
郭琼
史志坚
许轶群
徐嘉丽
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Hangzhou Normal University
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Hangzhou Normal University
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    • 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
    • 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

Abstract

The invention discloses a kind of method of quick half short-cut nitrification technology of startup, the method is：Using airlift bioreactor, using the sludge containing nitrobacteria as seed sludge, using simulated wastewater as water inlet, be protected from light, 30~32 DEG C, 0.3~0.5mgL of dissolved oxygen concentration‑1, pH7.0~7.9 under conditions of hydraulic detention time is 40~16h, adjust the operation of reactor, as NO in reactor water outlet by adding roxithromycin into water inlet3 ‑N concentration is less than 1/3 water inlet NH4 +N concentration, while 0.75 in water outlet<NH4 +‑N/NO2 ‑‑N<When 1.3, adding for roxithromycin is terminated, half short-cut nitrification technology successfully starts up；Half short-cut nitrification technology that the method for the present invention starts has both operation stability, and agents useful for same source is wide, and operating method is simple, the startup time can be made to shorten 1/3 1/2, stability is good.

Description

A kind of method of half short-cut nitrification technology of quick startup
(1) technical field
The present invention relates to a kind of wastewater denitrification process, and in particular to a kind of half short-cut nitrification technology quick start method.
(2) background technology
The excess load discharge of nitrogen phosphorus causes body eutrophication getting worse in sewage, triggers water environment degradation.To be effective Contain body eutrophication, a variety of biological denitrification process play immeasurable effect.However, existing sewage disposal work Skill -- nitration denitrification belongs to energy consumption rich and influential family, under the background constantly highlighted in energy crisis, seeks to reduce while efficient denitrification It is great for the Significance of Sustainable Development for realizing sewage disposal to reduce processing cost for water process energy consumption.
At the same time, with the raising of China's Living consumption, the increase of water consumption, the low COD of municipal sewage water quality, The features such as high N and low C/N ratios are more apparent, and urban organic concentration is even lower than 200mgL-1.Furthermore such as livestock and poultry Other high NH such as waste water, pharmacy waste water and landfill leachate4 +- N, low organic wastewater processing in, handled using traditional biological Method is difficult to ensure that denitrification effect or even more to the demand of additional carbon.To solve the problems, such as addition carbon source, novel biological dinitrification Half short distance nitration-anaerobic ammoxidation technique of technique is come into being.The reaction of half short distance nitration can not only be by NH4 +- N is converted into NO2 -- N, while it is able to maintain that NH in water outlet4 +- N and NO2 -The amount of the substance of-N is than stablizing 1:0.8~1:After 1.32 with satisfaction Continuous Anammox reaction condition.Prerequisite of half short distance nitration as the group technology successful operation successfully starts up outstanding To be important.When the startup of first half short distance nitration is mainly realized by control operation condition, such as control aeration quantity maintains suitable temperature The methods of spending, stepping up substrate concentration and intermittent aerating.But the startup of these conventional methods is time-consuming longer, fails to solve The key problem that half short distance nitration quickly starts.Therefore, how quickly to start half stable short-cut nitrification technology to ask as breakthrough The key of topic.
(3) content of the invention
The present invention seeks to be directed to half short distance nitration to start the problem of difficult, provide a kind of quick startup half short-cut nitrification technology Method, i.e., using method that roxithromycin is added into bioreactor, the quick mesh for starting half short distance nitration can be reached 's.
The technical solution adopted by the present invention is：
The present invention provides a kind of method of quick half short-cut nitrification technology of startup, and the method is：Using gas-lifting type biology Reactor, using the sludge containing nitrobacteria as seed sludge, using simulated wastewater as water inlet, be protected from light, 30~32 DEG C, dissolved oxygen it is dense Spend 0.3~0.5mgL-1, pH 7.0~7.9, under conditions of hydraulic detention time is 40~16h, by adding sieve into water inlet Erythromycin adjusts the operation of reactor, as NO in reactor water outlet3 -- N concentration is less than 1/3 water inlet NH4 +- N concentration, goes out simultaneously 0.75 in water<NH4 +-N/NO2 --N<When 1.3, adding for roxithromycin is terminated, half short-cut nitrification technology successfully starts up；Sieve Erythromycin dosage is 50-100mgL-1。
Further, the simulated wastewater composition is：NH4 +200~900mgL of-N-1, KH2PO40.27g·L-1, MgSO4·7H2O 0.30g·L-1, CaCl20.14g·L-1, solvent is water.
Further, the roxithromycin dosage is 80-100mgL-1, more preferable roxithromycin dosage is 100mg L-1(roxithromycin containing 100mg/L in referring into water has the roxithromycin of such concentration always during adding in water inlet).
The method recommendation of half short-cut nitrification technology of quick startup of the present invention carries out as follows：It is given birth to using gas-lifting type Object reactor, using the sludge containing nitrobacteria as seed sludge, seed sludge concentration MLSS is 3500mgL-1, with simulated wastewater For water inlet, be protected from light, 30~32 DEG C, 0.3~0.5mgL of dissolved oxygen concentration-1, pH 7.0~7.9, hydraulic detention time 39h Under conditions of run, at 0~21 day, water outlet NH4 +- N concentration is in 59.9-39.0mgL-1Between, NO2 -- N concentration 10.9~ 22.6mg·L-1Between, NO3 -- N concentration maintains 220~203mgL-1；100mgL was persistently added from the 22nd day-1Luo Hong Mycin, NH in water outlet4 +- N concentration is from 42.0mgL-1It is gradually increased to 115mgL-1, while NO2 -- N concentration is from 21.5mg L-1Increase to 122mgL-1, and NO3 -- N concentration is reduced to 98.0mgL-1, less than water inlet NH4 +The 1/3 of-N concentration, goes out at this time Water NH4 +-N/NO2 -- N stopped adding roxithromycin for the 0.90, the 37th day, stopped adding 20 days continued to run with after roxithromycin It is interior, NH4 +-N/NO2 -Between-N maintains 0.83~1.12 always, meanwhile, NO3 -- N concentration maintains 102mgL-1Hereinafter, half Short-cut nitrification technology successfully starts up；The simulated wastewater forms：NH4 +-N 350mg·L-1, KH2PO40.27g·L-1, MgSO4·7H2O0.30g·L-1, CaCl20.14g·L-1, solvent is water.
Compared with prior art, advantageous effect of the present invention is mainly reflected in：The present invention is by by the extensive antibiotic in source Roxithromycin is added into half short distance nitration reactor, can be fast based on roxithromycin to the inhibition difference of AOB and NOB Speed starts half short-cut nitrification technology.Experiment proves to have both operation stability by half short-cut nitrification technology that the method starts；This Inventive method agents useful for same source is wide, and operating method is simple, and the startup time can be made to shorten 1/3-1/2, and stability is good.
(4) illustrate
Fig. 1 is reactor start-up stage running effect curve figure.
(5) specific embodiment
With reference to specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in This：
Embodiment 1：Quick the step of starting half short distance nitration, mainly includes following aspect：
1) seed sludge that will be enriched in nitrobacteria is imported in the airlift bioreactor that effective volume is 3.8L, inoculation Sludge is municipal sewage plant's secondary settling tank returned sludge；Seed sludge concentration MLSS is 3500mgL-1；
2) bioreactor is placed in thermostatic chamber, and reaction condition is arranged to：It is protected from light, 32 DEG C of constant temperature room temperature, in reactor Dissolved oxygen concentration is 0.4~0.5mgL-1, NaHCO3It is 7.5~7.9 to adjust pH, and the simulated wastewater that tap water is prepared is water inlet, Wherein NH4 +- N concentration 350mgL-1, HRT 39h；Other elements content：0.27g·L-1KH2PO4, 0.30gL-1MgSO4· 7H2O, 0.14gL-1CaCl2；
3) Fig. 1 is operational effect of the airlift bioreactor when adding roxithromycin and quickly starting, can from Fig. 1 Go out, when not adding roxithromycin (0~20d), NO in reactor water outlet3 -- N concentration maintains 200mgL always-1More than, NO2 -- N concentration is less than 25mgL-1, illustrate the NH intake4 +- N is largely converted into NO3 -- N, without NO2 -The accumulation of-N. A certain concentration (100mgL is added into water inlet within 22nd day-1) roxithromycin, wherein roxithromycin be commercial standard, then go out NO in water3 -- N concentration continues to decline, while NH4 +- N and NO2 -- N concentration raises steadily, this is mainly inhibited by roxithromycin Caused by the most NOB and AOB of a part.At the 37th day, adding for roxithromycin is cancelled, reactor is still continual and steady Operation.Specifically, at 0~21 day, water outlet NH4 +- N concentration is in 59.9-39.0mgL-1Between, NO2 -- N concentration 10.9~ 22.6mg·L-1Between, NO3 -- N concentration maintains 220~203mgL-1；100mgL was persistently added from the 22nd day-1Luo Hong (roxithromycin containing 100mg/L in referring into water also has the Luo Hong of such concentration mould to mycin always during adding in water inlet Element), NH in water outlet4 +- N concentration is from 42.0mgL-1It is gradually increased to 115mgL-1, while NO2 -- N concentration is from 21.5mgL-1Increase to 122mgL-1, and NO3 -- N concentration is reduced to 98.0mgL-1, less than water inlet NH4 +The 1/3 of-N concentration, goes out at this time Water NH4 +-N/NO2 -- N is 0.90, that is, meets water outlet NH4 +-N/NO2 -For-N between 0.75~1.3, stopping in the 37th day adds Luo Hong Mycin.And stop adding in 20 days continued to run with after roxithromycin, NH4 +-N/NO2 -- N maintain always 0.83~1.12 it Between, meanwhile, NO3 -- N concentration maintains 102mgL-1Hereinafter, show to continue after the adding of System undoes roxithromycin steady Fixed operation.

Claims (5)

  1. A kind of 1. method of half short-cut nitrification technology of quick startup, it is characterised in that the method is：It is anti-using gas-lifting type biology Answer device, using the sludge containing nitrobacteria as seed sludge, using simulated wastewater as water inlet, be protected from light, 30~32 DEG C, dissolved oxygen concentration 0.3~0.5mgL-1, pH 7.0~7.9, under conditions of hydraulic detention time is 40~16h, by adding Luo Hong into water inlet Mycin adjusts the operation of reactor, as NO in reactor water outlet3 -- N concentration is less than 1/3 water inlet NH4 +- N concentration, while water outlet In 0.75<NH4 +-N/NO2 --N<When 1.3, adding for roxithromycin is terminated, half short-cut nitrification technology successfully starts up；The Luo Hong Mycin dosage is 50-100mgL-1。
  2. 2. the quick method for starting half short-cut nitrification technology as described in claim 1, it is characterised in that the simulated wastewater composition For：NH4 +200~900mgL of-N-1, KH2PO4 0.27g·L-1, MgSO4·7H2O 0.30g·L-1, CaCl2 0.14g·L-1, solvent is water.
  3. 3. the quick method for starting half short-cut nitrification technology as described in claim 1, it is characterised in that the roxithromycin adds It measures as 80-100mgL-1。
  4. 4. the quick method for starting half short-cut nitrification technology as described in claim 1, it is characterised in that the roxithromycin adds It measures as 100mgL-1。
  5. 5. the quick method for starting half short-cut nitrification technology as described in claim 1, it is characterised in that the method is：Using gas Lift-type bioreactor, using the sludge containing nitrobacteria as seed sludge, seed sludge concentration MLSS is 3500mgL-1, with mould Intend waste water for water inlet, be protected from light, 30~32 DEG C, 0.3~0.5mgL of dissolved oxygen concentration-1, pH 7.0~7.9, during hydraulic retention Between to run under conditions of 39h, at 0~21 day, water outlet NH4 +- N concentration is in 59.9-39.0mgL-1Between, NO2 -- N concentration exists 10.9~22.6mgL-1Between, NO3 -- N concentration maintains 220~203mgL-1；100mg was persistently added from the 22nd day L-1Roxithromycin, NH in water outlet4 +- N concentration is from 42.0mgL-1It is gradually increased to 115mgL-1, while NO2 -- N concentration from 21.5mg·L-1Increase to 122mgL-1, and NO3 -- N concentration is reduced to 98.0mgL-1, less than water inlet NH4 +The 1/ of-N concentration 3, water outlet NH at this time4 +-N/NO2 -- N stopped adding roxithromycin for the 0.90, the 37th day, and stopping adds the follow-up reforwarding of roxithromycin In capable 20 days, NH4 +-N/NO2 -Between-N maintains 0.83~1.12 always, meanwhile, NO3 -- N concentration maintains 102mgL-1 Hereinafter, half short-cut nitrification technology successfully starts up；The simulated wastewater forms：NH4 +-N 350mg·L-1, KH2PO4 0.27g· L-1, MgSO4·7H2O 0.30g·L-1, CaCl2 0.14g·L-1, solvent is water.
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CN110759467B (en) * 2019-11-21 2022-01-28 北京工业大学 Device and method for quickly starting and maintaining shortcut nitrification of municipal sewage based on parachlorometadimethylphenol
CN116395854B (en) * 2023-05-25 2024-02-06 广东工业大学 Device and method for self-induced shortcut nitrification-denitrification of waste water anaerobic digestion liquid

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2215021A1 (en) * 2007-11-16 2010-08-11 Javel Limited Wastewater treatment process and plant comprising controlling the dissolved oxygen concentration
CN102101746A (en) * 2011-01-11 2011-06-22 彭永臻 Low-carbon urban sewage biological phosphorus removal and autotrophic biological nitrogen removal device and method
CN103214103A (en) * 2013-03-23 2013-07-24 北京工业大学 Method for realizing semi-nitrosation of domestic sewage by gallery push flow type reactor
CN104556356A (en) * 2014-12-29 2015-04-29 中南大学 Method for quickly starting shortcut nitrification reactor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2215021A1 (en) * 2007-11-16 2010-08-11 Javel Limited Wastewater treatment process and plant comprising controlling the dissolved oxygen concentration
CN102101746A (en) * 2011-01-11 2011-06-22 彭永臻 Low-carbon urban sewage biological phosphorus removal and autotrophic biological nitrogen removal device and method
CN103214103A (en) * 2013-03-23 2013-07-24 北京工业大学 Method for realizing semi-nitrosation of domestic sewage by gallery push flow type reactor
CN104556356A (en) * 2014-12-29 2015-04-29 中南大学 Method for quickly starting shortcut nitrification reactor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Effects of roxithromycin on ammonia-oxidizing bacteria and nitrite-oxidizing bacteria in the rhizosphere of wheat;Binbin Yu 等;《Appl Microbiol Biotechnol》;20141231;第263页第1段-第268页第1段 *

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