CN108928909A - A kind of starting method handling ammonia-containing water biofilter with high salt - Google Patents
A kind of starting method handling ammonia-containing water biofilter with high salt Download PDFInfo
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- CN108928909A CN108928909A CN201810892680.0A CN201810892680A CN108928909A CN 108928909 A CN108928909 A CN 108928909A CN 201810892680 A CN201810892680 A CN 201810892680A CN 108928909 A CN108928909 A CN 108928909A
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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
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
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Abstract
A kind of starting method handling ammonia-containing water biofilter with high salt, is related to biological aerated filter.It takes mangrove deposition wet mud that shuck filling biological aerated filter is added, obtains mixed liquor；It takes and has been cleaned and the oyster shell that dries is added in shuck filling biological aerated filter；It takes raw water to be added at shuck filling biological aerated filter to overflow port, connects aerator, run using the bored exposure of intermittently operated, be attached to mangrove settled sludge fully in oyster shell surface and internal capillary gap as far as possible；Raw water water inlet pipe is connected after the completion of bored exposure, maintains continuum micromeehanics and continuous aeration state；Taken at regular intervals water sample and mud sample measure the indices of shuck filling biological aerated filter Inlet and outlet water, work as NH4 +- N removal rate is stablized after 80% or more, shows biofilm success, works as NH4 +- N removal rate is stablized after 90% or more, shows be that the shuck filling biological aerated filter of kind of mud starts and tames successfully with mangrove settled sludge.
Description
Technical field
The present invention relates to biological aerated filter, more particularly, to using the mangrove settled sludge to be with oyster shell for kind of a mud
Filler is process object with ammonia-containing water with high salt, starts the method for biological aerated filter and its a kind of place of microbial composition
Manage the starting method of ammonia-containing water biofilter with high salt.
Background technique
In industrial wastewater and sanitary sewage field, brine waste because its special condition of water quality-salt content is high, become compared with
Intractable one kind sewage.Brine waste main source first is that substituting water, such as power plant cooling water, seawater toilet-flushing as fresh water
The draining of purposes；Two to be generated from petroleum, process hides, papermaking, printing and dyeing, marinated, drug processing, mariculture and processing etc. industrial
Waste water, ([1] Wen Xianghua, accounts for new people to salt concentration from 1% to 6%, and Wang Jianlong waits the biological treatment of brine waste to study
Be in progress [J] environmental science, and 1999,3；[2] Zou Shiyang, Zhang Jianping, Wu Junrong wait grinding for biotechnology processing high slat-containing wastewater
Study carefully progress [J] Treatment of Industrial Water, 2008,28 (11): 1-4；[3] Hu Qing, summer cleaning politics, economics, organization, and ideology salinity contain Membrane Bioreactor for Wastewater Treatment
Salt waste water influence progress [J] environmental pollution with control, 2012,34 (1): 60-63,71；[4] Miao Yingxia, Wang Shuxun, Hao
Peace is built, thinking [J] fwaater resources protection for waiting to make laws China's seawater toilet-flushing, 2014,30 (4): 93-96).It is removed in these waste water
Contain Na+、Ca2+、Cl-Etc. except plurality of inorganic salt ion, also containing there are many pollutants such as hardly degraded organic substance and nitrogen phosphorus.
In recent years, saline sewage especially salt content increases year by year with the comparable high-salt wastewater equivalent of seawater, and waste component is gradually complicated,
And corresponding is that discharge standard is increasingly stringenter, China in 2015 promulgate that implementation is most tight in the new environmental law carried out
Enterprise wastewater ammonia nitrogen discharge standard 5~8mg/L of value of lattice, the processing up to standard of the total nitrogen of high-salt wastewater have become relevant industries, institute of enterprise
The environmentally friendly barrier that must be captured.And the oxidation of ammonia is the primary and rate-limiting step of nitration reaction in biological denitrificaion, it is with high salt
The processing of ammonia-containing water is faced with severe situation.
The main difficult technical faced in high-salt wastewater biological treatment at present is:
(1) most brine waste treatment process are based on conventional activated sludge process or combinations thereof design, and high salinity causes to give birth to
The degradation bacteria for changing unit increasess slowly, and system starting acclimation period is long, and sludge activity system is easy collapse, and most equipment are by mending
Add nutrients, biological assistant or regular replacement activated sludge, and increases SRT and HRT to maintain the stability ([5] of operation
Positive Biological Treatment of Wastewater with High Salt Concentration [J] the water supply and drainage of Liu, 2001,27 (11): 54-57；[6] Kang Qun, Marvin's minister,
Xu Jianmin waits influence research [J] the Techniques and Equipment for Environmental Pollution Control of high salt concentration to biochemical treatment of industrial wastewater,
2005,6(8):42-45)；
(2) using dilution, the preconditioning techniques such as ion exchange or even membrane technology will lead to higher with alleviating Effects of Salinity
([7] side is luxuriant, Wang Luguang, and Li Hongbo high salinity has with management cost (chemical sludge processing, resin replacement, film regeneration etc.) for operation
The Hebei machine wastewater processing technology progress [J] industrial technology, 2009,26 (3): 195-199).
Therefore, under the conditions of not desalination, few diluted, new technology is researched and developed, suitable kind of mud starting is found, tames and screen suitable
Salt microorganism obtains the high denitrification system of high treating effect, stability, is more feasible and can be generally accepted with high salt containing ammonia
Wastewater treatment method.
Mangrove settled sludge microorganism has quite high productivity and profuse diversity, they take part in solid
The nitrogen cycles process such as nitrogen, ammonification, nitrification, denitrification, Anammox, wherein being no lack of AOA (ammonia oxidizing bacteria) and AOB (ammonia oxygen
Change archaeal).Multiple pollutant from land meets at the mangrove area near land and sea junction river mouth and littoral zone, forest zone
Microorganism in settled sludge receives different degrees of pollutant domestication, bears in bio-diversity building process abundant
Tide oxygenation, seasonal temperature variation, complicated water quality the environmental changes such as change and influence.Therefore, general with sewage plant
Logical activated sludge is compared, and has better micro- life as the seed sludge of salt-containing waste water treating device using mangrove settled sludge
Object bacterium source and the degeneration-resistant sexual clorminance of environment.
Oyster shell is marine biomass, and with the rough surface that resistance to burn into high salt is suitble to microorganism to inhabit, shape is in leaf
There are a large amount of 2~10 μm of micropores in sheet, large specific surface area, inside, and the microorganism be conducive under high salt conditions is fixed.Oyster shell is filled out
Suspended sludge can be formed in material biofilter and system coexists in biomembrane, this is conducive to the biomass of raising system.In addition, oyster
In shell containing 90% or more CaCO3, NaHCO can be replaced after dissolution3Or NaOH meets the alkalinity demand of nitration reaction, reduces system
System operating cost, and containing multiple elements and a variety of amino acid such as sodium, barium, copper, iron, magnesium, be conducive to improve as biologic packing material
Stability (the ocean progress [J] the section of the oyster such as [8] Dong Xiaowei, Jiang Guoliang, Li Lide comprehensive utilization of biological treatment
It learns, 2004,28 (4): 62-65；[9] Nitrification Characteristics of Ye Zhilong, Xiong little Jing, Lu Min shell padding aeration bacteria filter are studied
[J] China water supply and drainage, 2006,22 (3): 1-3；[10] Xiong little Jing, Shen Qian, Wang Xinhong wait anoxic/aerobic oyster shell biology
Nitrogen phosphorus ligands performance study [J] the Environmental science and technology in filter tank, 2008,31 (12B): 76-79；[11] Xu Jie, Xiong little Jing,
The processing of the batch-type biological aerated filter such as Zheng Tianling is containing Nitrification [J] the environmental project journal 2015,9 in seawater sewage
(3):1062-1066)。
Summary of the invention
The purpose of the present invention is to provide a kind of starting methods for handling ammonia-containing water biofilter with high salt.
Salinity in the ammonia-containing water with high salt is 25~35g/LNaCl.
The present invention the following steps are included:
1) it takes mangrove deposition wet mud that shuck filling biological aerated filter is added, obtains mixed liquor；
2) it takes and has been cleaned and the oyster shell that dries is added in shuck filling biological aerated filter；
3) it takes raw water to be added at shuck filling biological aerated filter to overflow port, aerator is connected, using intermittently operated
Bored exposure operation, is attached to mangrove settled sludge fully in oyster shell surface and internal capillary gap as far as possible；
4) raw water water inlet pipe is connected after the completion of bored exposure, maintains continuum micromeehanics and continuous aeration state, hydraulic detention time HRT
It is set as 10~14h, 4~6mg/L of DO ≈；
5) taken at regular intervals water sample and mud sample measure the indices of shuck filling biological aerated filter Inlet and outlet water, including
NH4 +-N、N02 -- N, NO3 -- N, pH, DO, salinity etc., work as NH4 +- N removal rate is stablized after 80% or more, shows biofilm success, when
NH4 +- N removal rate stabilization shows to take mangrove settled sludge as the shuck filling aeration and biological filter for planting mud after 90% or more
Pond starting is tamed successfully.
In step 1), the mangrove deposition wet mud may be derived from the mangrove near land and sea junction river mouth and littoral zone
Forest zone；The sludge concentration MLSS of the mixed liquor can be 4800~5200mg/L.
In step 2), described take has been cleaned and the oyster shell that dries is added in shuck filling biological aerated filter
It can make the 0.10~0.15kg/L of mass concentration or oyster shell displacement of volume and shuck filling biological aerated filter of oyster shell
Dischargeable capacity is 0.08~0.12.
In step 3), the bored exposure of intermittently operated, which runs 2~3d, to stand 15min, such as to be aerated 45min in every 1h
This is reciprocal, 6~8mg/L of DO ≈.
In step 5), when acquiring water sample, stop aeration and water inlet, stand the analysis of 10min post-sampling, indices are adopted
It is analyzed with national standard；When the starting of shuck filling biological aerated filter is tamed successfully, and after stable operation for a period of time, stopping is transported
Row adopts the detection that sludge sample carries out microbial, and combines kind of a composition for the microbial of dump analysis domestication front and back.
Shuck filling biological aerated filter is after taming successfully, sustainable stable operation to 70~80d, from the oyster
The oyster shell that attachment salt tolerant biomembrane is taken out in shell padding aeration bacteria filter, displacement of volume ratio and new oyster by 1 ︰ (3~5)
Shell is fills up to new shuck filling biological aerated filter together, using ammonia-containing water starting domestication with high salt is continuously passed through, operates
Same step 3)~5).
The present invention uses mangrove settled sludge for kind of a mud first, with high salt in conjunction with the processing of shuck filling biological aerated filter
Ammonia-containing water.It is kind of a mud with mangrove settled sludge, has microorganism bacterium source abundant and the degeneration-resistant sexual clorminance of environment；Using continuous logical
Enter high salinity ammonia-containing water starting shuck filling biological aerated filter, common sludge starts when can solve high-salt wastewater processing
Longer acclimation period and the unsuccessful problem of domestication are needed in the process；Using oyster shell as bio-filter stuffing, there is impact resistance
Property strong, the advantages such as system Treatment Stability height, can also overcome needed in biological denitrificaion engineering carry out basicity accounting the shortcomings that, reach with
The two-win effect of useless pollution treatment.
Detailed description of the invention
Fig. 1 is shuck filling of embodiment of the present invention biological aerated filter structural schematic diagram.
Fig. 2 is that mangrove of embodiment of the present invention settled sludge starts shuck filling biological aerated filter Nitrification Characteristics song
Line.
Fig. 3 is that the embodiment of the present invention has salt tolerant biomembrane oyster shell inoculation starting shuck filling biological aerated filter nitrification
Characteristic curve.
Specific embodiment
Following embodiment will the invention will be further described with subordinate list in conjunction with attached drawing, but the present invention is not limited to following implementations
Example.
Mangrove settled sludge described in the embodiment of the present invention takes to mangrove sky Aegiceras corniculatum (Aegiceras
Corniculatum) the uniformly mixed settled sludge of habitat layer (0~20cm).Sample website and be N 23 ° 55 ' 51.56 ", E
117 ° 24 ' 50.46 ", deposit skin temperature is 16 DEG C.
For the acquisition of oyster shell described in the embodiment of the present invention from the Xiamen City island great Deng, apparent size is about (4~5) cm × (7~8)
Cm, it is cleaned to dry, after removing surface bulky grain sandstone impurity, go here and there one by one upper stand-by in rope.
Shuck filling biological aerated filter dischargeable capacity described in the embodiment of the present invention is 10.62L, shuck filling aeration
Bacteria filter structure schematic diagram such as Fig. 1.Shuck filling biological aerated filter is equipped with aeration tube 1, aerator 2, peristaltic pump 3, adjusts
The water inlet of fast device 4, raw water bucket 5, water inlet pipe 6, power supply 7 and organic glass slot 8, the peristaltic pump 3 is connect with raw water bucket 5, compacted
The water outlet of dynamic pump 3 is connect with water inlet pipe 6, and aeration tube 1 is connect with organic glass slot 8, aerator 2 respectively with aeration tube 1 and tune
Fast device 4 connects, and governor 4 is connect with peristaltic pump 3, is filled with shuck filling 9 in organic glass slot 8, power supply 7 respectively with governor
4 and aerator 2 connect.
Embodiment 1: mangrove settled sludge starting domestication shuck filling biological aerated filter handles ammonia-containing water with high salt
It includes following that mangrove settled sludge starting domestication shuck filling biological aerated filter, which handles ammonia-containing water with high salt,
Step:
1) take the mangrove settled sludge (wet mud) that quality is 400~500g that the filter of shuck filling aeration and biological is added
Pond；
2) taking quality is that having cleaned for 1.0~1.5kg dries string in the oyster shell on rope, by tile expansion and hang it is vertical in a manner of
It is added in shuck filling biological aerated filter, to increase the contact area of oyster shell and reaction solution, and sludge microbe is made to exist
It is evenly distributed in whole system, as shown in Figure 1；
3) it takes the raw water prepared to be added at shuck filling biological aerated filter to overflow port, aerator is connected, between
It has a rest and operates 2~3d of bored exposure operation, mangrove settled sludge microorganism is made fully to be attached to oyster shell surface or internal micro- as far as possible
In hole；
4) raw water water inlet pipe is connected after the completion of bored exposure, maintains continuum micromeehanics and continuous aeration state, hydraulic detention time HRT
It is set as 10~14h, 4~6mg/L of DO ≈；
5) taken at regular intervals water sample and mud sample measure the indices of shuck filling biological aerated filter Inlet and outlet water, including
NH4 +-N、N02 -- N, NO3 -- N, pH, DO, salinity etc., work as NH4 +- N removal rate is stablized after 80% or more, shows biofilm success, when
NH4 +- N removal rate stabilization shows to take mangrove settled sludge as the shuck filling aeration and biological filter for planting mud after 90% or more
Pond starting is tamed successfully.
In step 4), raw water quality group becomes COD ≈ 100mg/L, NH4 +- N ≈ 50mg/L, PO4 3-- P ≈ 8mg/L, pH
≈ 5.5~7.5, salinity ≈ 35g/LNaCl.
As shown in Figure 1, system biofilm success the time be 35~36d, starting tame successfully the time be 55~66d, start at
NH after function4 +- N removal rate can be stably maintained at 95% or more, until 100%.
The group of microbial before and after mangrove settled sludge of embodiment of the present invention success shuck filling biological aerated filter
At/bacterium referring to table 1, archaeal composition (do not examine by the archaeal in domesticated organism film in mangrove settled sludge of the embodiment of the present invention
Out) referring to table 2.As shown in table 1 and 2, sludge sample is tamed successfully and is acquired after stable operation 214d in system starting, is based on 16S
The high-flux sequence of rRNA analyzes to obtain mangrove seed of forest mud and the composition of sludge microbe phase after domestication 214d is as follows:
(1) bacterium, the abundance in each categorization levels are shown in Table 1.It is dirty after high-flux sequence, mangrove seed of forest mud and domestication 214d
Mud detection respectively obtains 32580,79452 tags, 274,451 OTUs.The main bacterium door composition in domestication front and back is respectively as follows: change
Shape bacterium door (Proteobacteria), nitrification spirillum door (Nitrospirae), Bacteroidetes (Bacteroidetes), unwrapping wire
Bacterium door (Actinobacteria), Firmicutes (Firmicutes), green bacterium door (Chlorobi), floating mould door
(Planctomycetes), green curved bacterium door (Chloroflexi), bud monad door (Gemmatimonadetes), acidfast bacilli door
(Acidobacteria)；Main Pseudomonas composition is respectively as follows: Photobacterium (Photobacterium), marinobacter
(Marinobacter), rhizobium (Mesorhizobium), brevibacterium/bacillus subtilis (Brevibacterium),
Rhod (Rhodococcus), Stenotrophomonas (Stenotrophomonas), the rod-shaped Pseudomonas of salt sulphur
(Halothiobacillus), acinetobacter (Acinetobacter), pseudomonas (Pseudomonas), sphingol list
Born of the same parents Pseudomonas (Sphingomonas)；Main nitrobacteria has Thermodesulfovibrionaceae, nitrification spirillum
(Nitrospiraceae), nitrosomonas section (Nitrosomonadaceae), main suitable/salt tolerant bacterium have extra large bacillus
(Marinobacter), hydrothermalis, Dehalococcoidaceae, thermophilic Halomonas (Halomonas),
Halomonadaceae, Alcanivoracaceae, ocean spirillum (Oceanospirillaceae).Mangrove after domestication 214d
Settled sludge bacterial micro-organism diversity is greatly improved.
(2) archaeal, the abundance in each categorization levels are shown in Table 2.High-flux sequence, the mangrove seed of forest obstinately follow tradition bacterial examination and measure
120400 tags, 691 OTUs.Main bacterium door composition is respectively spring archaeal door (Crenarchaeota), wide archaeal door
(Euryarchaeota), Proteobacteria (Proteobacteria), acidfast bacilli door (Acidobacteria), Bacteroidetes
(Bacteroidetes), bud monad door (Gemmatimonadetes), Firmicutes (Firmicutes), floating mould door
(Planctomycetes), wart germ door (Verrucomicrobia), VHS-B3-43；Main Pseudomonas composition difference methagen
Belong to (Methanobacterium), methane phycomycetes (Methanosaeta), ammoxidation spring archaeal category
(Nitrosopumilus), Candidatus Nitrososphaera, marinobacter (Marinobacter), methanospirillum category
(Methanospirillum), Candidatus Methanoregula, Halomonas (Halomonas),
Sulfuricurvum, Methanolinea etc.；Main nitrification archaeal has, Nitrosopumilus, Candidatus
NitrososphaeraSCA1145、Candidatus NitrososphaeraSCA1170、Candidatus
Methanoregula, gargensis, Candidatus Nitrososphaera, main suitable/salt tolerant archaeal have
Hydrothermalis, Marinobacter, pyrogen body guiding principle (ThermoplasmataDHVEG-1), Halomonas
(Halomonas).However, system starting is tamed successfully and in the acquisition sludge sample after stable operation 214d, it is micro- that archaeal is not detected
The presence of biology.
1 mangrove settled sludge of table starts composition/bacterium of microbial before and after shuck filling biological aerated filter
1 mangrove settled sludge of continued starts composition/bacterium of microbial before and after shuck filling biological aerated filter
The composition of 1 mangrove settled sludge of continued starting domestication shuck filling biological aerated filter front and back microbial/
Bacterium
Archaeal composition in 2 mangrove settled sludge of table (archaeal in domesticated organism film is not detected)
Archaeal composition in 2 mangrove settled sludge of continued (archaeal in domesticated organism film is not detected)
Embodiment 2: tool salt tolerant biomembrane oyster shell inoculation starting shuck filling biological aerated filter processing is with high salt to contain ammonia
Waste water the following steps are included:
1) shuck filling biological aerated filter is continually and steadily run after taming successfully to 70~80d, from the oyster
The oyster shell that attachment salt tolerant biomembrane is taken out in shell padding aeration bacteria filter, by the displacement of volume ratio and new oyster shell one of 1 ︰ 3
With new shuck filling biological aerated filter is fills up to, operated using ammonia-containing water starting domestication with high salt is continuously passed through.
2) other operations are with 1 step 1)~5 of embodiment).
As shown in Fig. 2, being 1 ︰ 3 by the displacement of volume ratio of tool salt tolerant biomembrane oyster shell and new oyster shell, inoculation starting is male
Oyster shell padding aeration bacteria filter processing ammonia-containing water with high salt, starting tame the successfully time and foreshorten to 16~20d.
The embodiment of the present invention has salt tolerant biomembrane oyster shell inoculation starting shuck filling biological aerated filter Nitrification Characteristics
Curve is referring to Fig. 3.
The present invention is handled with high salt useless containing ammonia by mangrove settled sludge starting domestication shuck filling biological aerated filter
Water uses mangrove settled sludge for kind of a mud, is processing with ammonia-containing water with high salt using oyster shell as filler more particularly, to a kind of
Object, the method for starting domestication shuck filling biological aerated filter and its composition of microbial.There is provided one kind can not only gram
Common sludge starting acclimation period is long when taking high-salt wastewater processing and is easy the shortcomings that failing, and can overcome biological denitrificaion engineering
In the shortcomings that need to carrying out basicity accounting, the method that can effectively promote ammonia-containing water treatment effeciency and stability with high salt, and its successfully
The composition of domestication front and back sludge microbe phase.Mangrove settled sludge and oyster shell are put into shuck filling biological aerated filter
In, it is passed through raw water and carries out bored exposure, be attached to mangrove settled sludge in oyster shell surface and internal capillary gap, connected thereafter
Continuous water inlet and continuous aeration operation, and periodic detection water sample and mud sample, as shuck filling biological aerated filter NH4 +- N removal rate
Reach 90% or more and stable operation after, show be with mangrove settled sludge plant mud shuck filling biological aerated filter open
It is dynamic tame successfully, start that tame the successfully time be 50~70d.It is mainly spring archaeal door, wide archaeal that the mangrove seed of forest, which obstinately follows tradition bacterium composition,
Door, Proteobacteria, Methanobacterium, methane phycomycetes, ammoxidation spring archaeal category, marinobacter salt, zygosaccharomyces；Starting is tamed and dociled
Bacterium composition after being melted into function is mainly Proteobacteria, nitrification spirillum door, actinomyces door, Photobacterium, rhizobium, nitre
Change spiral Pseudomonas, nitrosomonas, thermophilic Halomonas.Shuck filling biological aerated filter is continual and steady after taming successfully
Operation takes out the oyster shell of attachment salt tolerant biomembrane, by 1 ︰ 3 to 70~80d from the shuck filling biological aerated filter
The displacement of volume shuck filling biological aerated filter newer than being fills up to together with new oyster shell, using being continuously passed through with high salt contain
Ammonia waste water starting domestication operation, 16~20d can be foreshortened to by taming the successfully period.
Claims (10)
1. a kind of starting method for handling ammonia-containing water biofilter with high salt, it is characterised in that the following steps are included:
1) it takes mangrove deposition wet mud that shuck filling biological aerated filter is added, obtains mixed liquor；
2) it takes and has been cleaned and the oyster shell that dries is added in shuck filling biological aerated filter；
3) it takes raw water to be added at shuck filling biological aerated filter to overflow port, aerator is connected, using the bored exposure of intermittently operated
Operation, is attached to mangrove settled sludge fully in oyster shell surface and internal capillary gap as far as possible；
4) raw water water inlet pipe is connected after the completion of bored exposure, and continuum micromeehanics and continuous aeration state, hydraulic detention time HRT is maintained to be set as
4~6mg/L of 10~14h, DO ≈；
5) taken at regular intervals water sample and mud sample measure the indices of shuck filling biological aerated filter Inlet and outlet water, including NH4 +-
N、N02 -- N, NO3 -- N, pH, DO, salinity, work as NH4 +- N removal rate is stablized after 80% or more, shows biofilm success, works as NH4 +-N
Removal rate stabilization shows to take mangrove settled sludge as the shuck filling biological aerated filter starting for planting mud after 90% or more
It tames successfully.
2. a kind of starting method for handling ammonia-containing water biofilter with high salt as described in claim 1, it is characterised in that in step
1) in, the mangrove deposition wet mud is taken from the mangrove area near land and sea junction river mouth and littoral zone.
3. a kind of starting method for handling ammonia-containing water biofilter with high salt as described in claim 1, it is characterised in that in step
1) in, the sludge concentration MLSS of the mixed liquor is 4800~5200mg/L.
4. a kind of starting method for handling ammonia-containing water biofilter with high salt as described in claim 1, it is characterised in that in step
2) in, it is described take cleaned and the oyster shell that dries to be added in shuck filling biological aerated filter be the matter for making oyster shell
Concentration is measured as 0.10~0.15kg/L or oyster shell displacement of volume is with shuck filling biological aerated filter dischargeable capacity
0.08~0.12.
5. a kind of starting method for handling ammonia-containing water biofilter with high salt as described in claim 1, it is characterised in that in step
3) in, it is that 45min is aerated in every 1h that the bored exposure of intermittently operated, which runs 2~3d, stands 15min, and so on, DO ≈ 6~
8mg/L。
6. a kind of starting method for handling ammonia-containing water biofilter with high salt as described in claim 1, it is characterised in that in step
5) in, when acquiring water sample, stop aeration and water inlet, stand the analysis of 10min post-sampling, indices are all made of national standard analysis；When
It is out of service after the starting of shuck filling biological aerated filter is tamed successfully, it adopts sludge sample and carries out the detection of microbial, and tie
Close kind of a composition for the microbial of dump analysis domestication front and back.
7. a kind of starting method for handling ammonia-containing water biofilter with high salt, it is characterised in that the following steps are included:
1) it takes mangrove deposition wet mud that shuck filling biological aerated filter is added, obtains mixed liquor；
2) it takes and has been cleaned and the oyster shell that dries is added in shuck filling biological aerated filter；
3) it takes raw water to be added at shuck filling biological aerated filter to overflow port, aerator is connected, using the bored exposure of intermittently operated
Operation, is attached to mangrove settled sludge fully in oyster shell surface and internal capillary gap as far as possible；
4) raw water water inlet pipe is connected after the completion of bored exposure, and continuum micromeehanics and continuous aeration state, hydraulic detention time HRT is maintained to be set as
4~6mg/L of 10~14h, DO ≈；
5) taken at regular intervals water sample and mud sample measure the indices of shuck filling biological aerated filter Inlet and outlet water, including NH4 +-
N、N02 -- N, NO3 -- N, pH, DO, salinity, work as NH4 +- N removal rate is stablized after 80% or more, shows biofilm success, works as NH4 +-N
Removal rate stabilization shows to take mangrove settled sludge as the shuck filling biological aerated filter starting for planting mud after 90% or more
It tames successfully；
6) shuck filling biological aerated filter after taming successfully, fill out to 70~80d from the oyster shell by continual and steady operation
The oyster shell that attachment salt tolerant biomembrane is taken out in biological aerated filter is expected, by the displacement of volume ratio and new oyster shell one of 1 ︰ (3~5)
With new shuck filling biological aerated filter is fills up to, using ammonia-containing water starting domestication with high salt is continuously passed through, operation is synchronized
It is rapid 3)~5).
8. a kind of starting method for handling ammonia-containing water biofilter with high salt as claimed in claim 7, it is characterised in that in step
1) in, the sludge concentration MLSS of the mixed liquor is 4800~5200mg/L；
In step 2), it is described take cleaned and the oyster shell that dries to be added in shuck filling biological aerated filter be to make
The mass concentration of oyster shell is that 0.10~0.15kg/L or oyster shell displacement of volume and shuck filling biological aerated filter are effective
Volumetric ratio is 0.08~0.12.
9. a kind of starting method for handling ammonia-containing water biofilter with high salt as claimed in claim 7, it is characterised in that in step
3) in, it is that 45min is aerated in every 1h that the bored exposure of intermittently operated, which runs 2~3d, stands 15min, and so on, DO ≈ 6~
8mg/L。
10. a kind of starting method for handling ammonia-containing water biofilter with high salt as claimed in claim 7, it is characterised in that in step
5) in, when acquiring water sample, stop aeration and water inlet, stand the analysis of 10min post-sampling, indices are all made of national standard analysis；When
It is out of service after the starting of shuck filling biological aerated filter is tamed successfully, it adopts sludge sample and carries out the detection of microbial, and tie
Close kind of a composition for the microbial of dump analysis domestication front and back.
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