CN105174492B - A kind of nitrifier fast quick-recovery promotor after being inhibited by heavy metal - Google Patents
A kind of nitrifier fast quick-recovery promotor after being inhibited by heavy metal Download PDFInfo
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- CN105174492B CN105174492B CN201510647109.9A CN201510647109A CN105174492B CN 105174492 B CN105174492 B CN 105174492B CN 201510647109 A CN201510647109 A CN 201510647109A CN 105174492 B CN105174492 B CN 105174492B
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- nitrifier
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- 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
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Abstract
Fast quick-recovery promotor after being inhibited the invention discloses a kind of nitrifier by heavy metal includes following components: 1-7 parts of biotin, 0-8 parts of lysine by weight, 2-17 parts of aspartic acid, 0-6 parts of tryptophan, 0.5-3 parts of 6- benzyl purine, 0-2 parts of zeatin, 2-20 parts of iron, 4-16 parts of zinc, 4-12 parts of magnesium, 0-10 parts of copper, 4-8 parts of manganese, 2-6 parts of cobalt, the lysine, tryptophan, zeatin and copper are not 0 simultaneously.Raw material of the present invention is easy to get, cheap；Nontoxic, environmental sound, carbon source content is few, is conducive to nitrifier fast quick-recovery after suppressed；It prepares and uses the process of promotor of the invention simple, no capital cost, non-power consumption；It can be widely used used in situation about living and Industrial Waste Water Treatments factory nitrifier is suppressed.
Description
Technical field
The invention belongs to field of biotechnology, more particularly, are related to a kind of suppressed rear fast quick-recovery of nitrifier and promote
Into agent.
Background technique
Wastewater biological denitrificaion process is that the removal of nitrogen is realized by ammonification, nitrification, anti-nitration reaction.Due to nitrobacteria compared with
Low rate of rise and the sensitivity high to pH, dissolved oxygen concentration, temperature, toxic chemical etc., nitrification is always
The rate-limiting step being considered as in denitrification process.In recent years, with the rapid development of industry, the industries such as plating, metallurgy, chemical industry generate
A large amount of heavy metal ion-containing waste water.Some urban wastewater treatment firms can receive industrial wastewater simultaneously, when heavy metal in water inlet
Ion concentration increases suddenly when forming impact load, and nitrification will receive strong inhibition, and nitrification efficiency is then by 80%-90% urgency
Play drops to 10%-20%.And it there is no the technology of the nitrification activity of a large amount of activated sludge in fast quick-recovery biological reaction pool at present
Method can only lean on microorganism spontaneous recovery, and required time is extremely long, bring to sewage plant ammonia nitrogen, the operation of total nitrogen stably reaching standard huge
Challenge.
Chinese patent CN102198980A discloses a kind of preparation method of Biostimulation agent, it is intended to improve indigenous in sewage
Beneficial microorganism activity, but the Biostimulation agent is directed to the microorganism not inhibited by heavy metal, and is rich in the patent
Carbon source, is unfavorable for the enrichment and growth of nitrifier, and then is unfavorable for the efficient removal of nitrogen.Therefore, a kind of biological wastewater treatment is developed
With nitrobacteria growth promoter, the promotor of fast quick-recovery is very necessary after being inhibited especially for nitrifier by heavy metal.
Summary of the invention
It is quickly extensive after being inhibited it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of nitrifier by heavy metal
Multiple promotor.
Technical solution of the present invention is summarized as follows:
A kind of nitrifier fast quick-recovery promotor after being inhibited by heavy metal, includes following components: biotin 1-7 by weight
Part, 0-8 parts of lysine, 2-17 parts of aspartic acid, 0-6 parts of tryptophan, 0.5-3 parts of 6- benzyl purine, 0-2 parts of zeatin, iron 2-20
Part, 4-16 parts of zinc, 4-12 parts of magnesium, 0-10 parts of copper, 4-8 parts of manganese, 2-6 parts of cobalt, the lysine, tryptophan, zeatin and copper are not
It is simultaneously 0.
It is preferred that: biotin is 7 parts, and lysine is 8 parts, and aspartic acid is 17 parts, and tryptophan is 0 part, and 6- benzyl purine is 3
Part, zeatin is 0 part, and iron is 20 parts, and zinc is 16 parts, and magnesium is 12 parts, and copper is 0 part, and manganese is 8 parts, and cobalt is 6 parts.
The invention has the following advantages that
(1) promotor raw material of the present invention is easy to get, cheap；
(2) nontoxic, environmental sound, carbon source content is few, is conducive to nitrifier fast quick-recovery after suppressed；
(3) it prepares and uses the process of promotor simple, no capital cost, non-power consumption；
(4) it can be widely used used in situation about living and Industrial Waste Water Treatments factory nitrifier is suppressed.
Specific embodiment
Technical solution of the present invention is further illustrated combined with specific embodiments below.
Embodiment 1- embodiment 3 is shown in Table 1.
The weight (number) of each component in table 1:
A kind of preparation of the nitrifier of embodiment 4 fast quick-recovery promotor aqueous solution after being inhibited by heavy metal:
Each component raw material (unit is in terms of milligram) is weighed by the formula of each embodiment of table 1, adds pure water to 10L, is heated to 40
DEG C, stirring is completely dissolved to solution, and 2h is stood in room temperature, is sealed.
Embodiment 5
Effect experiment:
(1) heavy metal Cu2+Recovery experiment after inhibiting nitrifier
Run parallel 4 groups of sbr reactor devices, cycle of operation 2h, wherein 2min of intaking, is aerated 80min, quiet heavy 35min, out
Water 3min.Each cycle of operation processing water is 0.80L.Using manually from water distribution, water inlet NH4 +- N concentration is 80.00mg/L,
COD concentration is 120.00mg/L.Seed sludge is derived from Tianjin sewage treatment plant A2The aeration tank O.In experiment temperature be 25 ±
0.1 DEG C, DO >=2mg/L in control reactor when aeration, regular spoil disposal guarantees that MLSS is 2000mg/L or so.
NH is discharged in each reactor4 +When-N concentration maintains 0.10mg/L or less, add Cu2+Make into Cu in water2+Concentration is
50.00mg/L working as Cu2+When reaching 80% or more to the inhibiting rate of ammonia nitrogen removal, the reality of the method preparation of embodiment 4 is added respectively
Apply a 1-3 a kind of nitrifier inhibited by heavy metal after fast quick-recovery accelerator solution, do not add the reaction of promotor of the present invention
Device is as blank control group.NH4 +-N、NO2 -- N and NO3 -The test of-N concentration is according to " water and effluent monitoring analysis method " the (the 4th
Version).
Stopping adding Cu2+After 7 days and 13 days, reactor is discharged NH4 +-N、NO2 -- N and NO3 -- N concentration is shown in Table 2, table 3:
Each embodiment of table 2 is stopping adding Cu2+Ammonia nitrogen removal effect after 7 days
Each embodiment of table 3 is stopping adding Cu2+Ammonia nitrogen removal effect after 13 days
As shown in data in table, the type of nutriment is added to Cu2+Ammonia nitrogen removal frank recovery after inhibition has an impact, in each embodiment
Ammonia nitrogen removal frank be above blank control group.Be conducive to it can be seen that adding fast quick-recovery promotor after nitrifier is inhibited by heavy metal
Nitrifier is by Cu2+Fast quick-recovery after inhibition.
(2) heavy metal Cd2+Recovery experiment after inhibiting nitrifier
Run parallel 4 groups of sbr reactor devices, cycle of operation 2h, wherein 2min of intaking, is aerated 80min, quiet heavy 35min, out
Water 3min.Each cycle of operation processing water is 0.80L.Using manually from water distribution, water inlet NH4 +- N concentration is 80.00mg/L,
COD concentration is 120.00mg/L.Seed sludge is derived from Tianjin sewage treatment plant A2The aeration tank O.In experiment temperature be 25 ±
0.1 DEG C, DO >=2mg/L in control reactor when aeration, regular spoil disposal guarantees that MLSS is 2000mg/L or so.
NH is discharged in each reactor4 +When-N concentration maintains 0.10mg/L or less, 50.00mg/L Cd is added in water inlet2+,
Work as Cd2+When reaching 80% or more to the inhibiting rate of ammonia nitrogen removal, stopping adds Cd2+, add the reality of the method preparation of embodiment 4
Apply a 1-3 a kind of nitrifier inhibited by heavy metal after fast quick-recovery accelerator solution (1 group of reactor does not add any promotion
Agent, as a control group).NH4 +-N、NO2 -- N and NO3 -The test of-N concentration is according to " water and effluent monitoring analysis method " the (the 4th
Version).
Stopping adding Cd2+After 7 days and 13 days, the reactor water outlet NH of each embodiment promotor is added4 +-N、NO2 -- N and
NO3 -- N concentration is shown in Table 4 and table 5:
Each embodiment of table 4 is stopping adding Cd2+Ammonia nitrogen removal effect after 7 days
Each embodiment of table 5 is stopping adding Cd2+Ammonia nitrogen removal effect after 13 days
As shown in data in table, fast quick-recovery promotor is added after nitrifier is inhibited by heavy metal to Cd2+Ammonia after inhibition
Nitrogen removal efficiency recovery equally has good facilitation.
Illustrative description has been done to the present invention above, it should explanation, the case where not departing from core of the invention
Under, any simple formula combination changes or other skilled in the art can not spend the equivalent replacement of creative work
Each fall within protection scope of the present invention.
Claims (1)
1. a kind of nitrifier fast quick-recovery promotor after being inhibited by heavy metal, it is characterized in that being grouped as by weight by following groups:
7 parts of biotin, 8 parts of lysine, 17 parts of aspartic acid, 3 parts of 6-benzyladenine, 20 parts of iron, 16 parts of zinc, 12 parts of magnesium, 8 parts of manganese,
6 parts of cobalt.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510647109.9A CN105174492B (en) | 2015-10-09 | 2015-10-09 | A kind of nitrifier fast quick-recovery promotor after being inhibited by heavy metal |
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| CN201510647109.9A CN105174492B (en) | 2015-10-09 | 2015-10-09 | A kind of nitrifier fast quick-recovery promotor after being inhibited by heavy metal |
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| CN105174492A CN105174492A (en) | 2015-12-23 |
| CN105174492B true CN105174492B (en) | 2019-07-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109354184B (en) * | 2018-11-02 | 2021-06-01 | 东南大学 | Method for improving heavy metal pollution impact load resistance of sewage biological denitrification system |
| CN110357248B (en) * | 2019-07-12 | 2021-10-22 | 吉林建筑大学 | Water treatment filler and preparation method thereof |
| CN110550734A (en) * | 2019-08-30 | 2019-12-10 | 天津大学 | Biological promoter and application thereof |
| CN113087142A (en) * | 2021-04-16 | 2021-07-09 | 北京涞澈科技发展有限公司 | Rapid start accelerator for sulfur autotrophic microorganisms in high-nitrogen domestic sewage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004101449A2 (en) * | 2003-05-14 | 2004-11-25 | Commissariat A L'energie Atomique | Method of degrading tbp using a photosynthetic bacterial strain |
| CN102198980A (en) * | 2010-03-24 | 2011-09-28 | 同济大学 | Biostimulation agent and preparation method thereof |
| CN104711213A (en) * | 2015-03-13 | 2015-06-17 | 中国海洋石油总公司 | Accelerant facilitating growth of salt-resistive nitrifying bacteria in high-salt wastewater |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004101449A2 (en) * | 2003-05-14 | 2004-11-25 | Commissariat A L'energie Atomique | Method of degrading tbp using a photosynthetic bacterial strain |
| CN102198980A (en) * | 2010-03-24 | 2011-09-28 | 同济大学 | Biostimulation agent and preparation method thereof |
| CN104711213A (en) * | 2015-03-13 | 2015-06-17 | 中国海洋石油总公司 | Accelerant facilitating growth of salt-resistive nitrifying bacteria in high-salt wastewater |
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