CN110316824A - A kind of marine exhaust scrub raffinate cooperates with processing unit and cooperative processing method with Sewage from Ships - Google Patents
A kind of marine exhaust scrub raffinate cooperates with processing unit and cooperative processing method with Sewage from Ships Download PDFInfo
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- CN110316824A CN110316824A CN201910726317.6A CN201910726317A CN110316824A CN 110316824 A CN110316824 A CN 110316824A CN 201910726317 A CN201910726317 A CN 201910726317A CN 110316824 A CN110316824 A CN 110316824A
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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
- C02F3/28—Anaerobic digestion processes
- C02F3/286—Anaerobic digestion processes including two or more steps
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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
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/345—Biological treatment of water, waste water, or sewage characterised by the microorganisms used for biological oxidation or reduction of sulfur compounds
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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
- C02F2101/101—Sulfur compounds
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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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- 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
- C02F2101/166—Nitrites
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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
- C02F2101/30—Organic compounds
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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
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
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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
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/004—Apparatus and plants for the biological treatment of water, waste water or sewage comprising a selector reactor for promoting floc-forming or other bacteria
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/06—Nutrients for stimulating the growth of microorganisms
Abstract
Processing unit and cooperative processing method are cooperateed with the present invention relates to marine exhaust scrub raffinate and Sewage from Ships.Boat diesel engine exhuast gas desulfurization scrub raffinate and sanitary sewage are pumped by the present invention with water pump from heterotrophism reaction zone bottom, the degradation reaction of sulfate reduction and the organic matter based on protein occurs in heterotrophism reaction zone, buffer area is overflowed to from top after reaction, marine exhaust denitration scrub raffinate is pumped into from buffer area upper end water inlet simultaneously, autotrophy reaction zone is entered jointly from buffer area bottom after mixing with the water outlet in previous region, it is come into full contact with again with the activated sludge in autotrophy region, the association response of autotrophy desulfurization denitrification and Anammox occurs, it is discharged afterwards from upper end water outlet.Method of the invention makes reaction unit stable operation under high-load condition, can be realized the high efficiency synchronous removal of organic matter in sulfate, nitrite and sanitary sewage in marine exhaust scrub raffinate.
Description
Technical field
The present invention relates to a kind of apparatus and method for handling boat diesel engine exhuast gas desulfurization and denitration scrub raffinate, specifically relate to
And marine exhaust scrub raffinate and Sewage from Ships cooperate with processing unit and cooperative processing method.
Background technique
With the development of international trade, boat diesel engine harmful exhaust emissions are on the rise, and therefore, are badly in need of research, exploitation
Marine exhaust treatment process copes with such pollution.Wet processed is mostly used in boat diesel engine exhuast gas desulfurization, denitration technology
Open method in method contains sulfate, Asia to generate that is, using the sulfur and nitrogen oxides in Absorption by Sea Water exhaust gas
The scrub raffinate of sulfate, NO3-N and NO2-N, salt content are high.According to pertinent regulations, this kind of scrub raffinate needs
It is stored on ship, is focused on after pulling in shore.And the waste liquid amount that marine exhaust open type washing method generates is huge, need to largely occupy ship
The limited space resources of oceangoing ship.Therefore, the research and technological development of the in-situ treatment method of marine exhaust scrub raffinate are extremely urgent,
To solve the problems, such as that a large amount of marine exhaust scrub raffinates can not quickly be handled on ship.
The physical chemistry processing method investment operation of boat diesel engine exhaust gas scrub raffinate is costly, energy consumption is high, will cause
Secondary pollution, and bioanalysis has many advantages, such as small investment, low energy consumption and removal rate is high, is a kind of economically viable method.It is conventional
Biological desulphurization facture in using sulfate reduction technique as representative, the process requirement additionally add organic matter supply sulfate also
Opportunistic pathogen is significantly increased as carbon source, operating cost；In conventional biological denitrificaion facture based on heterotrophic denitrification, heterotrophism
NO3-N and NO2-N is reduced to nitrogen under the conditions of denitrifying bacterium is existing for the organic matter, which still needs to add greatly
The organic carbon of amount is as carbon source.Therefore, the addition of Additional carbon sources has become the master that limitation anaerobic organism method is applied on ship
Want factor.
It can be the anaerobism of sulfate reducing bacteria containing the largely organic matter based on protein in Sewage from Ships
Metabolism provides carbon source and the energy.According to autotrophy desulfurization denitrification, the process integration of Anammox and sulfate reduction, not only
The nitrite in scrub raffinate can be removed, and a large amount of sulfide and ammonia generated in sulfate-reducing process can also be handled
Nitrogen.Therefore, marine exhaust scrub raffinate is carried out cooperateing with processing with sanitary sewage, carbon source is not during both can solving biological desulphurization
The problem of foot also can remove the organic matter of sewage middle and high concentration, achieve the purpose that the treatment of wastes with processes of wastes against one another, save ship space and operation
Cost.
Summary of the invention
In order to solve the above technical problems, boat diesel engine exhaust gas scrub raffinate and ship are lived the present invention provides a kind of
The device and cooperative processing method of sewage collaboration processing can reach a large amount of sulfate of synchronous removal in the first stage and organic
Object removes the purpose of nitrite, sulfide and ammonia nitrogen in second stage.
For achieving the above object, the invention adopts the following technical scheme:
What one aspect of the present invention provided a kind of boat diesel engine exhaust gas scrub raffinate and Sewage from Ships cooperates with processing
Device, including reactor shell, reactor shell are equipped with inlet I, inlet II and liquid outlet, are equipped in reactor enclosure body
Be sequentially connected logical heterotrophism reaction zone, buffer area and autotrophy reaction zone, inlet I is connected to heterotrophism reaction zone, inlet II with
Buffer area connection, liquid outlet are connected to autotrophy reaction zone；Blender is respectively equipped in heterotrophism reaction zone and in autotrophy reaction zone；It is different
It supports reaction zone and autotrophy reaction zone inner wall two sides is respectively fixed with sloping baffle；The collaboration processing unit further includes feed liquor case I
With feed liquor case II, liquid flows into inlet I through water pump I in feed liquor case I, and liquid flows into inlet through water pump II in feed liquor case II
Ⅱ；The upper end of the heterotrophism reaction zone and autotrophy reaction zone is equipped with venthole；The top of the reactor shell corresponds to heterotrophism
The side of reaction zone is equipped with sludge-filled mouth I, and the side of corresponding autotrophy reaction zone is equipped with sludge-filled mouth II.
The processing unit that cooperates with of above-mentioned a kind of marine exhaust scrub raffinate and Sewage from Ships, heterotrophism reaction zone top are set
There is overflow port to communicate with buffer area, buffer area lower part is communicated with autotrophy reaction zone；The vertical height of overflow port is 1.0-
2.0cm。
The processing unit that cooperates with of above-mentioned a kind of marine exhaust scrub raffinate and Sewage from Ships, the sloping baffle is in water
Square same upward-inclination angle degree is 50-60 °, and vertical height is 10-15cm, and baffle bottom is spaced in the horizontal direction with device inner wall
0.5-1.5cm。
The processing unit that cooperates with of above-mentioned a kind of marine exhaust scrub raffinate and Sewage from Ships, the blender include stirring
Motor and agitating paddle are mixed, agitating paddle lower part is apart from reactor bottom 5.0cm-8.0cm.
The processing unit that cooperates with of above-mentioned a kind of marine exhaust scrub raffinate and Sewage from Ships, I axis of inlet
Linear distance reactor lower surface 1.0-2.0cm；Liquid outlet central axes are apart from reactor upper surface 1.0-2.5cm.
The processing unit that cooperates with of above-mentioned a kind of marine exhaust scrub raffinate and Sewage from Ships, the collaboration processing unit
It further include liquid outlet tank.
Another aspect of the present invention provides the cooperative processing method of a kind of marine exhaust scrub raffinate and Sewage from Ships,
The method are as follows:
By Heterotrophic activity sludge seeding to heterotrophism reaction zone, by autotrophy activity sludge seeding to autotrophy reaction zone；Ship is useless
Desulfurization scrub raffinate and Sewage from Ships are placed in feed liquor case I and are entered by water pump I from reactor bottom end inlet I different
Reaction zone is supported, is sufficiently mixed under the action of blender with the Heterotrophic activity sludge based on sulfate reducing bacteria, sulfuric acid occurs
The degradation reaction of salt reduction reaction and the organic matter based on protein, the mud-water separation under sloping baffle effect；Treated
Water overflows to buffer area from heterotrophism reaction zone top overflow port, meanwhile, the marine exhaust denitration scrub raffinate warp in feed liquor case II
Water pump II is pumped into inlet II and flows into buffer area, enters autotrophy reaction from buffer area bottom together with the water outlet of heterotrophism reaction zone
Area, it is sufficiently mixed with the autotrophy activity sludge based on autotrophy desulfurization denitrifying bacterium and anaerobic ammonia oxidizing bacteria under blender effect
It closes, the association response of autotrophy desulfurization denitrification and Anammox occurs, the mud-water separation under sloping baffle effect, treated
Water is discharged from the top liquid outlet of autotrophy reaction zone.
The cooperative processing method of upper a kind of marine exhaust scrub raffinate and Sewage from Ships, the Heterotrophic activity sludge are
Heterotrophic activity sludge after domestication, the acclimation method of Heterotrophic activity sludge are as follows: anaerobic activated sludge is put into and continuously stirs reaction
In device, it is passed through the ship flue gas desulfurization scrub raffinate of manual simulation and the composite waste of Sewage from Ships, using continuum micromeehanics
Mode, reactor temperature are set as 25-35 DEG C, mixing speed 15-25r/min, hydraulic detention time 8-36h, SO4 2-
Concentration is calculated as 900-1000mg/L with S, and organic matter is calculated as 250-310mg/L, pH value 7.0-7.8, hydraulic detention time with N
8h-36h works as SO4 2-Removal rate is different based on sulfate reducing bacteria when sulfide production rate is up to 70% or more up to 90% or more
Activated sludge acclimatization is supported to complete；
The autotrophy activity sludge is the autotrophy activity sludge after domestication, the acclimation method of autotrophy activity sludge are as follows: will detest
Oxygen activity sludge is put into continuous-stirring reactor, is passed through the marine exhaust denitration scrub raffinate of manual simulation, using continuously into
Water mode, reactor temperature are set as 25 DEG C -35 DEG C, mixing speed 15-25r/min, S in water inlet2-Concentration is calculated as with S
250-300mg/L, NO2 -200-300mg/L, NH are calculated as with N4 +It is calculated as 150-200mg/L, hydraulic detention time 8-36h with N,
Work as NO2 -And S2-Removal rate respectively reach 90% or more, NH4 +When the removal rate of-N reaches 70% or more, with the anti-nitre of autotrophy desulfurization
Autotrophy activity sludge acclimatization based on change bacterium and anaerobic ammonia oxidizing bacteria is completed.
Further, the Heterotrophic activity sludge more preferably acclimation conditions are as follows: SO4 2-Concentration is calculated as 900-950mg/L with S,
Organic matter is calculated as 270-290mg/L, pH value 7.6-7.8 with N, and hydraulic detention time is for 24 hours, temperature to be arranged when continuous flow is intake
It is 35 ± 0.5 DEG C, mixing speed 15r/min；
The autotrophy activity sludge more preferably acclimation conditions are as follows: S2-Concentration is calculated as 200-230mg/L, NH with S4 +It is calculated as with N
160-170mg/L, NO2 -Concentration is calculated as 250-270mg/L, pH value 7.6-7.8, hydraulic detention time when continuous flow is intake with N
For for 24 hours, setting temperature is 35 ± 0.5 DEG C, mixing speed 20r/min.
The cooperative processing method of above-mentioned a kind of marine exhaust scrub raffinate and Sewage from Ships, the anaerobism activity are dirty
Mud is derived from the anaerobic processing devices such as anaerobic fermentation tank or sludge concentration tank.
The cooperative processing method of above-mentioned a kind of marine exhaust scrub raffinate and Sewage from Ships, the Heterotrophic activity sludge
Domestication uses artificial distribution, and artificial distribution's ingredient is natural clean seawater, peptone and NaHCO3；The autotrophic denitrification activity
Sludge acclimatization uses artificial distribution, and artificial distribution's ingredient is natural clean seawater, NaNO2、Na2S、NH4Cl and NaHCO3。
The cooperative processing method of above-mentioned a kind of marine exhaust scrub raffinate and Sewage from Ships is with sulfate reducing bacteria
Main Heterotrophic activity sludge seeding to heterotrophism reaction zone (12) inoculum density are as follows: 20-40gMLVSS/L.
Autotrophy activity sludge seeding based on autotrophy desulfurization denitrifying bacterium and anaerobic ammonia oxidizing bacteria is to autotrophy reaction zone
(14) inoculum density are as follows: 25-45gMLVSS/L.
The cooperative processing method of above-mentioned a kind of marine exhaust scrub raffinate and Sewage from Ships, which is characterized in that described
The service condition of heterotrophism reaction zone (12) are as follows: SO4 2-Concentration is calculated as 900-1000mg/L with S, and organic matter is calculated as 270- with N
310mg/L, pH value 7.0-7.8, mixing speed 10-20r/min, continuous flow water inlet, hydraulic detention time 8-36h；
The service condition of the autotrophy reaction zone (14) are as follows: NO in water inlet2 -200-300mg/L, pH value 7.0- are calculated as with N
7.8, mixing speed 10-20r/min, continuous flow water inlet, hydraulic detention time 8h-36h.
The present invention also provides application of the above-mentioned collaboration processing unit in vessel Waste processing.
The method that the present invention is separately tamed using activated sludge, waste water segmented is handled: being respectively sulfate reducing bacteria, de-
The major functions bacterium such as sulphur denitrifying bacterium and anaerobic ammonia oxidizing bacteria provides suitable environmental condition, so that autotrophy early period and heterotroph are micro-
The fast-growth of biology is subsequent realization SO4 2-, organic matter, NO2 -Synchronous high-efficiency removal provide microorganism basis；Waste water segmentation
Formula processing, processing method is divided into the heterotrophism stage of reaction and the autotrophy stage of reaction, and the heterotrophism stage of reaction is placed on autotrophy reaction
Before stage, first is that NO can be prevented2 -The suppression of inhibition and high-enriched organics to autotrophic type microorganism to sulfate reducing bacteria
System, second is that a large amount of S that heterotrophism reaction zone sulfate reduction generates2-And NH4 +It can be in autotrophy reaction zone and NO2 -It is anti-that autotrophy occurs
Secondary pollution should be prevented to be completely removed.
It is the key reaction occurred in heterotrophism reaction zone below:
Org-C+SO4 2-→S2-+CO2↑+NH4 + (1)
It is the key reaction occurred in autotrophy reaction zone below:
NH4 ++NO2 -→N2↑+2H2O (2)
3S2-+2NO2 -+8H+→3S0+N2↑+4H2O (3)
Beneficial effects of the present invention:
1. Sewage from Ships is added to boat diesel engine exhuast gas desulfurization washing and given up by apparatus of the present invention and its processing method
In liquid, 95% or more can reach in heterotrophism reaction zone sulfate removal rate, sulfide production rate can reach 70% or more, organic matter
Removal rate can reach 100%, can reach 90% or more in autotrophy reaction zone nitrite removal rate, sulfide removal rate is reachable
To 90% or more, ammonia nitrogen removal frank can reach 80% or more, and it is insufficient to not only solve carbon source in heterotrophism sulfate-reducing process
Problem, and the treatment of wastes with processes of wastes against one another may be implemented, save ship space and operating cost.
2. apparatus of the present invention and its processing method give up Sewage from Ships, boat diesel engine exhuast gas desulfurization waste liquid and denitration
Liquid, which is placed in same deinstall, carries out collaboration processing, uses three sets of processing units to handle three kinds of differences respectively with previous technique
The case where waste liquid, is compared, and set of device, which is used only, in the present invention can be realized sulfate, nitrite and organic matter in three kinds of waste liquids
High efficiency synchronous removal, save operating cost and space resources.
3. the present invention can be effectively prevented from nitrite to sulfate reducing bacteria using the method for waste water segmented processing
Inhibiting effect, and sulfate reduction generate sulfide can be utilized by the desulfurization anti-nitration reaction of next stage, reach
To synchronize denitrogenate, the purpose of amounts of sulphur contaminants.
4. sludge acclimatization of the present invention uses seawater, sulfate reducing bacteria, desulfurization denitrification are tamed directly under hypersaline environment
Bacterium and anaerobic ammonia oxidizing bacteria promote the quick formation of halophilic microbial flora, are conducive to desulfurization removing nitric technique in high load capacity, height
Efficient operation under the conditions of salt.Meanwhile sludge acclimatization can carry out in advance by land, tame successful activated sludge and be directly inoculated into
In reaction unit on ship, the starting time of device on ship is substantially reduced, is suitable for shipping transport environment, and without occupying
Limited space resources is used for sludge acclimatization on ship.
5. the organic matter that the domestication stage of the present invention uses uses peptone, simulation is rich in the ship of a large amount of macromolecule organics
Sanitary sewage, conducive to the sulfate reducing bacteria for the degradable larger molecular organics for taming out high activity.The water inlet of domestication stage is alkali
Property, conducive to the high activity sulfate reducing bacteria tamed out under the meta-alkali environment of ocean, and alkaline environment greatly reduces stink damp
The generation of body, in order to avoid cause secondary pollution.
Detailed description of the invention
Collaboration processing unit schematic diagram Fig. 1 of the invention；
Stage SO is tamed in Fig. 2 embodiment 14 2-Removal effect and S2-Generation effect picture；
Stage NO is tamed in Fig. 3 embodiment 12 -、NH4 +、S2-Removal effect figure；
Heterotrophism reaction zone SO in Fig. 4 embodiment 14 2-Removal effect and S2-Generation effect picture；
Autotrophy reaction zone NO in Fig. 5 embodiment 12 -、NH4 +、S2-Removal effect figure；
Heterotrophism reaction zone SO in Fig. 6 embodiment 24 2-Removal effect and S2-Generation effect picture；
Autotrophy reaction zone NO in Fig. 7 embodiment 22 -、NH4 +、S2-Removal effect figure；
In figure, 1. inlet tanks II, 2. inlets II, 3. ventholes, 4. agitating paddle motors, 5. water pump Is, 6. liquid outlets, 7.
Inlet tank I, 8. inlets I, 9. agitating paddles, 10. water tanks, 11. sloping baffles, 12. heterotrophism reaction zones, 13. buffer areas, 14.
Autotrophy reaction zone, 15. water pump IIs, 16. overflow ports, 17. reactor shells, 18. sludge-filled mouths I, 19. sludge-filled mouths II.
Specific embodiment
Embodiment 1
Present embodiment provide a kind of marine exhaust scrub raffinate and Sewage from Ships cooperate with processing unit with
Method.Collaboration processing unit includes reactor shell 17, and reactor shell 17 is equipped with inlet I 8, inlet II 2 and liquid out
Mouth 6, interior be equipped with of reactor shell 17 are sequentially connected logical heterotrophism reaction zone 12, buffer area 13 and autotrophy reaction zone 14, and heterotrophism is anti-
Answer area 12 identical with the volume of autotrophy reaction zone 14,12 top of heterotrophism reaction zone is equipped with overflow port 16 and communicates with buffer area 13, overflows
The vertical height of head piece 16 is 1.5cm, and 13 lower part of buffer area is communicated with autotrophy reaction zone 14, heterotrophism reaction zone 12 and autotrophy reaction zone
14 upper end is equipped with venthole 3；Inlet I 8 is connected to heterotrophism reaction zone 12, and inlet II 2 is connected to buffer area 13, out liquid
Mouth 6 is connected to autotrophy reaction zone 14；I 8 central axes of inlet are apart from reactor lower surface 1.5cm；6 central axes of liquid outlet distance is anti-
Answer device upper surface 2.0cm；Blender is respectively equipped in heterotrophism reaction zone 12 and in autotrophy reaction zone 14, blender includes stirring electricity
Machine 4 and agitating paddle 9, mixing speed 20r/min, 9 lower part of agitating paddle prevent stirring from causing anti-apart from reactor bottom 8.0cm
Answering device top sludge settling property to die down causes activated sludge to be lost；Heterotrophism reaction zone 12 and 14 inner wall two sides of autotrophy reaction zone point
It is not fixed with sloping baffle 11, inclination angle is 60 ° to sloping baffle 11 in the horizontal direction, and vertical height is 10.0cm, inclination
11 bottom of baffle and device inner wall are spaced 1.0cm in the horizontal direction；Cooperateing with processing unit further includes feed liquor case I 7 and feed liquor case
II 1, liquid flows into inlet I 8 through water pump I 5 in feed liquor case I 7, and liquid flows into inlet II through water pump II 15 in feed liquor case II 1
2, water pump uses peristaltic pump in the present embodiment；Cooperateing with processing unit further includes liquid outlet tank 10, and the top of the reactor shell is right
The side of heterotrophism reaction zone 12 is answered to be equipped with sludge-filled mouth I 18, the side of corresponding autotrophy reaction zone 14 is equipped with sludge-filled mouth II
19；Feed liquor case I 7 is connected with the outlet pipe of marine exhaust desulfurization scrub raffinate and Sewage from Ships outlet pipe, feed liquor case II 1 with
The outlet pipe of marine exhaust denitration scrub raffinate is connected；Water pump can also be replaced using peristaltic pump.
Marine exhaust scrub raffinate and Sewage from Ships cooperative processing method the following steps are included:
(1) acclimated activated sludge: the anaerobic activated sludge for being derived from Dalian Xia Jiahe sewage treatment plant anaerobic fermentation tank is connect
In kind to continuous-stirring reactor, the acclimation conditions of Heterotrophic activity sludge are as follows: SO4 2-Concentration is calculated as 900mg/L with S, and protein has
Machine object is calculated as 270mg/L with N, and pH value 7.6, continuous flow water inlet, hydraulic detention time is that for 24 hours, setting temperature is 35 ± 0.5
DEG C, mixing speed 15r/min.Work as SO4 2-Removal rate is up to 90% or more, S2-Production rate is up to 70% or more, with sulfate reducing bacteria
Based on Heterotrophic activity sludge acclimatization complete, see Fig. 2.Meanwhile Dalian Xia Jiahe sewage treatment plant anaerobic fermentation tank will be derived from
Anaerobic activated sludge is inoculated into another independent continuous-stirring reactor, the acclimation conditions of autotrophy activity sludge are as follows: SO4 2-It is dense
Degree is calculated as 900mg/L, S with S2-Concentration is calculated as 200mg/L, NH with S4 +160mg/L, NO are calculated as with N2 -Concentration is calculated as 250mg/ with N
L, pH value 7.6, continuous flow water inlet, hydraulic detention time are that for 24 hours, setting temperature is 35 ± 0.5 DEG C, mixing speed 15r/
min.Work as NO2 -And S2-Removal rate respectively reach 90% or more, NH4 +When the removal rate of-N reaches 70% or more, with autotrophy desulfurization
Autotrophy activity sludge acclimatization based on denitrifying bacterium and anaerobic ammonia oxidizing bacteria is completed, and sees Fig. 3.Wherein, Heterotrophic activity sludge acclimatization
When artificial distribution's ingredient be natural pure seawater, peptone and NaHCO3；It is artificial when autotrophic denitrification activated sludge acclimatization
It is natural clean seawater, NaNO with water constituent2、Na2S、NH4Cl and NaHCO3。
(2) the Heterotrophic activity sludge tamed and autotrophy activity sludge are inoculated into the heterotrophism reaction zone of reaction unit respectively
With autotrophy reaction zone.The service condition of heterotrophism reaction zone are as follows: Heterotrophic activity sludge concentration is 30.5gMLVSS/L in reactor,
SO4 2-Concentration is calculated as 900mg/L with S, and organic matter is calculated as 270mg/L with N, pH value 7.6, mixing speed 15r/min, continuously
Water is flowed into, hydraulic detention time is for 24 hours；SO4 2-Concentration, pH value with organic matter are to enter giving up in inlet tank I by adjusting
The relative volume of desulfurization scrub raffinate, sanitary sewage and seawater controls.The service condition of autotrophy reaction zone are as follows: reactor
Interior autotrophy activity sludge concentration is 32.3gMLVSS/L, NO in water inlet2 -It is calculated as 200mg/L, pH value 7.6 with N, mixing speed is
15r/min, continuous flow water inlet, hydraulic detention time are for 24 hours；NO2 -Concentration, pH value be by adjust enter in inlet tank II
Exhaust gas denitration scrub raffinate and the relative volume of seawater control.
(3) treatment process: marine exhaust desulfurization scrub raffinate and Sewage from Ships are placed in feed liquor case I 7 and pass through water pump I
5 enter heterotrophism reaction zone 12 from reactor bottom end inlet I 8, under the action of blender and based on sulfate reducing bacteria
Heterotrophic activity sludge be sufficiently mixed, the degradation reaction of sulfate reduction and the organic matter based on protein occurs,
Sloping baffle 11 acts on lower sludge and is blocked in sloping baffle lower part, realizes mud-water separation；Treated water is from heterotrophism reaction zone 12
The overflow port 16 on top overflows to buffer area 13, meanwhile, the marine exhaust denitration scrub raffinate 1 in feed liquor case II 1 is through water pump II
15, which are pumped into inlet II 2, flows into buffer area 13, and it is anti-from 13 bottom of buffer area to enter autotrophy together with the water outlet of heterotrophism reaction zone 12
Area 14 is answered, under blender effect, is filled with the autotrophy activity sludge based on autotrophy desulfurization denitrifying bacterium and anaerobic ammonia oxidizing bacteria
Divide mixing, the association response of autotrophy desulfurization denitrification and Anammox occurs, the mud-water separation under the effect of sloping baffle 11, place
Water after reason is discharged from the top liquid outlet 6 of autotrophy reaction zone flows into water tank 10.
Sulfate reduction mainly occurs in heterotrophism reaction zone, the protein-based organic matter in sanitary sewage can help
Sulfate reducing bacteria resists the inhibition of hypersaline environment, and shortens the starting time, while sulfate and organic matter are by Efficient Conversion
Sulfide and carbon dioxide, protein-based organic matter release ammonia nitrogen.Autotrophy conversion zone mainly occur desulfurization denitrification with
Anammox reaction, nitrite can occur autotrophy with a large amount of ammonia nitrogens and sulfide generated in previous region and react, most
It is converted into nitrogen eventually, sulfide is eventually converted to elemental sulfur and completely removes from reaction system.
To the SO of heterotrophism reaction zone in present embodiment4 2-Removal effect, NH4 +-N、S2-Generation effect carry out respectively
Monitoring, is as a result shown in Fig. 4, SO4 2-Removal rate up to 95% or more, S2-Production rate up to 70% or more, NH4 +The maximum of-N
Concentration is 560mg/L.To the NO of autotrophy reaction zone2-、S2-、NH4 +The removal effect of-N is also monitored respectively, as a result sees Fig. 5,
NO2 -、S2-、NH4 +The removal rate of-N is respectively up to 95%, 95%, 90% or more.Treatment effect is stablized during operation, reaction system
Capacity of resisting impact load is strong.
Embodiment 2
Present embodiment provide a kind of marine exhaust scrub raffinate and Sewage from Ships cooperate with processing unit and
Method.Collaboration processing unit includes reactor shell 17, and reactor shell 17 is equipped with inlet I 8, inlet II 2 and liquid out
Mouth 6, interior be equipped with of reactor shell 17 are sequentially connected logical heterotrophism reaction zone 12, buffer area 13 and autotrophy reaction zone 14, and heterotrophism is anti-
Answer area 12 identical with the volume of autotrophy reaction zone 14,12 top of heterotrophism reaction zone is equipped with overflow port 16 and communicates with buffer area 13, overflows
The vertical height of head piece 16 is 1.5cm, and 13 lower part of buffer area is communicated with autotrophy reaction zone 14, heterotrophism reaction zone 12 and autotrophy reaction zone
14 upper end is equipped with venthole 3；Inlet I 8 is connected to heterotrophism reaction zone 12, and inlet II 2 is connected to buffer area 13, out liquid
Mouth 6 is connected to autotrophy reaction zone 14；I 8 central axes of inlet are apart from reactor lower surface 1.5cm；6 central axes of liquid outlet distance is anti-
Answer device upper surface 2.0cm；Blender is respectively equipped in heterotrophism reaction zone 12 and in autotrophy reaction zone 14, blender includes stirring electricity
Machine 4 and agitating paddle 9, mixing speed 15r/min, 9 lower part of agitating paddle prevent stirring from causing anti-apart from reactor bottom 5.0cm
Answering device top sludge settling property to die down causes activated sludge to be lost；Heterotrophism reaction zone 12 and 14 inner wall two sides of autotrophy reaction zone point
It is not fixed with sloping baffle 11, inclination angle is 50 ° to sloping baffle 11 in the horizontal direction, and vertical height is 15.0cm, inclination
11 bottom of baffle and device inner wall are spaced 1.5cm in the horizontal direction；Cooperateing with processing unit further includes feed liquor case I 7 and feed liquor case
II 1, liquid flows into inlet I 8 through water pump I 5 in feed liquor case I 7, and liquid flows into inlet II through water pump II 15 in feed liquor case II 1
2, water pump uses metering pump in the present embodiment；；Cooperateing with processing unit further includes liquid outlet tank 10, and the top of reactor shell corresponds to different
The side for supporting reaction zone 12 is equipped with sludge-filled mouth I 18, and the side of corresponding autotrophy reaction zone 14 is equipped with sludge-filled mouth II 19；；
Feed liquor case I 7 is connected with the outlet pipe of marine exhaust desulfurization scrub raffinate and Sewage from Ships outlet pipe, feed liquor case II 1 and ship
The outlet pipe of oceangoing ship exhaust gas denitration scrub raffinate is connected；Metering pump can also be replaced using peristaltic pump.
Marine exhaust scrub raffinate and Sewage from Ships cooperative processing method the following steps are included:
(1) acclimated activated sludge: the anaerobic activated sludge for being derived from Dalian Xia Jiahe sewage treatment plant anaerobic fermentation tank is put
Enter in continuous-stirring reactor, the acclimation conditions of Heterotrophic activity sludge are as follows: SO4 2-Concentration is calculated as 900mg/L with S, and organic matter is with N
It is calculated as 310mg/L, pH value 7.8, hydraulic detention time is 18h when continuous flow is intake, and setting temperature is 35 ± 0.5 DEG C, stirring
Speed is 20r/min.Work as SO4 2-Up to 90% or more, sulfide production rate is removal rate up to 70% or more, with sulfate reducing bacteria
Main Heterotrophic activity sludge acclimatization is completed.Meanwhile the anaerobism activity that Dalian Xia Jiahe sewage treatment plant anaerobic fermentation tank will be derived from
In sludge seeding to another continuous-stirring reactor, the acclimation conditions of autotrophy activity sludge are as follows: SO4 2-Concentration is calculated as 900mg/ with S
L, S2-Concentration is calculated as 250mg/L, NH with S4 +160mg/L, NO are calculated as with N2 -Concentration is calculated as 200mg/L with N, and pH value 7.8 connects
Hydraulic detention time is 18h when afterflow is intake, and setting temperature is 35 ± 0.5 DEG C, mixing speed 20r/min.Work as NO2 -And S2-
Removal rate respectively reach 90% or more, NH4 +When the removal rate of-N reaches 70% or more, with autotrophy desulfurization denitrifying bacterium and anaerobism
Autotrophy activity sludge acclimatization based on ammonia oxidation bacteria is completed.Wherein, artificial distribution's ingredient when Heterotrophic activity sludge acclimatization is day
Right pure seawater, peptone and NaHCO3；Artificial distribution's ingredient when autotrophic denitrification activated sludge acclimatization is natural clean sea
Water, NaNO2、Na2S、NH4Cl and NaHCO3。
(2) heterotrophism for the Heterotrophic activity sludge tamed and autotrophy activity activated sludge being inoculated into reaction unit respectively is anti-
Answer area and autotrophy reaction zone.The service condition of heterotrophism reaction zone are as follows: Heterotrophic activity sludge concentration is 27.6gMLVSS/ in reactor
L, SO4 2-Concentration is calculated as 920mg/L with S, and organic matter is calculated as 310mg/L, pH value 7.8 with N, and mixing speed 20r/min connects
Afterflow water inlet, hydraulic detention time 18h；SO4 2-Concentration, pH value with organic matter are entered in inlet tank I by adjusting
The relative volume of exhuast gas desulfurization scrub raffinate, sanitary sewage and seawater controls.The service condition of autotrophy reaction zone are as follows: reaction
Autotrophy activity sludge concentration is 31.7gMLVSS/L, NO in water inlet in device2 -200mg/L, pH value 7.8, mixing speed are calculated as with N
For 20r/min, continuous flow water inlet, hydraulic detention time 18h；NO2 -Concentration, pH value be by adjust enter inlet tank II
In exhaust gas denitration scrub raffinate and the relative volume of seawater control.
(3) treatment process: marine exhaust desulfurization scrub raffinate and Sewage from Ships are placed in feed liquor case I 7 and pass through water pump I
5 enter heterotrophism reaction zone 12 from reactor bottom end inlet I 8, under the action of blender and based on sulfate reducing bacteria
Heterotrophic activity sludge be sufficiently mixed, the degradation reaction of sulfate reduction and the organic matter based on protein occurs,
Sloping baffle 11 acts on lower mud-water separation；Treated water overflows to buffer area 13 from 12 top overflow port 16 of heterotrophism reaction zone,
Meanwhile the marine exhaust denitration scrub raffinate 1 in feed liquor case II 1 is pumped into inlet II 2 through water pump II 15 and flows into buffer area 13, with
The water outlet of heterotrophism reaction zone 12 enters autotrophy reaction zone 14 from 13 bottom of buffer area together, under blender effect, and with autotrophy
Autotrophy activity sludge based on desulfurization denitrifying bacterium and anaerobic ammonia oxidizing bacteria is sufficiently mixed, and autotrophy desulfurization denitrification and anaerobism occurs
The association response of ammoxidation, under the effect of sloping baffle 11, sludge is blocked in sloping baffle lower part, realizes mud-water separation, processing
Water afterwards is discharged from the top liquid outlet 6 of autotrophy reaction zone and flows into water tank 10.
Sulfate reduction mainly occurs in heterotrophism reaction zone, the protein-based organic matter in sanitary sewage can help
Sulfate reducing bacteria resists the inhibition of hypersaline environment, and shortens the starting time, while sulfate and organic matter are by Efficient Conversion
Sulfide and carbon dioxide, protein-based organic matter release ammonia nitrogen.Autotrophy conversion zone mainly occur desulfurization denitrification with
Anammox reaction, nitrite can occur autotrophy with a large amount of ammonia nitrogens and sulfide generated in previous region and react, most
It is converted into nitrogen eventually, sulfide is eventually converted to elemental sulfur and completely removes from reaction system.To different in present embodiment
Support the SO of reaction zone4 2-Removal effect, NH4 +-N、S2-Generation effect monitored respectively, as a result see Fig. 6, SO4 2-Go
Except rate is up to 80% or more, S2-Production rate up to 60% or more, NH4 +The maximum concentration of-N is 520mg/L.Autotrophy is reacted
The NO in area2 -、S2-、NH4 +The removal effect of-N is also monitored respectively, as a result sees Fig. 7, NO2 -、S2-、NH4 +The removal rate of-N is distinguished
Up to 80%, 80%, 70% or more.Treatment effect is stablized during operation, but reaction system capacity of resisting impact load is compared with embodiment 1
It is slightly weak.
For any person skilled in the art, without departing from the scope of the technical proposal of the invention, all
Many possible changes and modifications are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as equivalent
The equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention, according to the technical essence of the invention to
Any simple modifications, equivalents, and modifications that upper embodiment is done should all still fall within the range of technical solution of the present invention protection
It is interior.
Claims (10)
1. a kind of marine exhaust scrub raffinate cooperates with processing unit with Sewage from Ships, which is characterized in that including reactor
Shell (17), reactor shell (17) are equipped with inlet I (8), inlet II (2) and liquid outlet (6), reactor shell (17)
Interior be equipped with is sequentially connected logical heterotrophism reaction zone (12), buffer area (13) and autotrophy reaction zone (14), inlet I (8) and heterotrophism
Reaction zone (12) connection, inlet II (2) are connected to buffer area (13), and liquid outlet (6) is connected to autotrophy reaction zone (14)；Heterotrophism
Blender is respectively equipped in reaction zone (12) and in autotrophy reaction zone (14)；In heterotrophism reaction zone (12) and autotrophy reaction zone (14)
Wall two sides are respectively fixed with sloping baffle (11)；The collaboration processing unit further includes feed liquor case I (7) and feed liquor case II (1), into
The interior liquid of liquid case I (7) flows into inlet I (8) through water pump I (5), and the interior liquid of feed liquor case II (1) flows into feed liquor through water pump II (15)
II (2) of mouth；The upper end of the heterotrophism reaction zone (12) and autotrophy reaction zone (14) is equipped with venthole (3)；The reactor enclosure
The side that the top of body corresponds to heterotrophism reaction zone (12) is equipped with sludge-filled mouth I (18), the side of corresponding autotrophy reaction zone (14)
Equipped with sludge-filled mouth II (19).
2. a kind of marine exhaust scrub raffinate according to claim 1 cooperates with processing unit with Sewage from Ships,
Be characterized in that, heterotrophism reaction zone (12) top be equipped with overflow port (16) communicated with buffer area (13), buffer area (13) lower part and oneself
Reaction zone (14) are supported to communicate；The vertical height of the overflow port (16) is 1.0-2.0cm；Inlet I (8) the central axes distance is anti-
Answer device lower surface 1.0-2.0cm；Liquid outlet (6) central axes are apart from reactor upper surface 1.0-2.5cm.
3. a kind of marine exhaust scrub raffinate according to claim 1 cooperates with processing unit with Sewage from Ships,
It is characterized in that, inclination angle is 50-60 ° to the sloping baffle (11) in the horizontal direction, and vertical height is 10-15cm, described
Sloping baffle (11) bottom and device inner wall are spaced 0.5-1.5cm in the horizontal direction.
4. a kind of marine exhaust scrub raffinate according to claim 1 cooperates with processing unit with Sewage from Ships,
It is characterized in that, the blender includes stirring motor (4) and agitating paddle (9), and agitating paddle (9) lower part is apart from reactor bottom
5.0cm-8.0cm。
5. a kind of marine exhaust scrub raffinate according to claim 1 cooperates with processing unit with Sewage from Ships,
It is characterized in that, the collaboration processing unit further includes liquid outlet tank (10).
6. a kind of cooperative processing method of boat diesel engine exhaust gas scrub raffinate and Sewage from Ships, which is characterized in that described
Method are as follows:
By Heterotrophic activity sludge seeding to heterotrophism reaction zone, by autotrophy activity sludge seeding to autotrophy reaction zone；Marine exhaust is de-
Sulfur scrubber waste liquid and Sewage from Ships are placed in feed liquor case I (7) and pass through water pump I (5) from reactor shell (17) bottom end feed liquor
I (8) of mouth enter heterotrophism reaction zone (12), are sufficiently mixed under the action of blender with Heterotrophic activity sludge, and sulfate occurs
The degradation reaction of reduction reaction and the organic matter based on protein, the mud-water separation under sloping baffle (11) effect；After processing
Water overflowed to buffer area (13) from heterotrophism reaction zone (12) top overflow port (16), meanwhile, ship in feed liquor case II (1) is useless
Qi exhaustion nitre scrub raffinate (1) is pumped into inlet II (2) through water pump II (15) and flows into buffer area (13), with heterotrophism reaction zone (12)
Water outlet enters autotrophy reaction zone (14) from buffer area (13) bottom together, abundant with autotrophy activity sludge under blender effect
The association response of autotrophy desulfurization denitrification and Anammox occurs for mixing, the mud-water separation under sloping baffle (11) effect, place
Water after reason is discharged from the top liquid outlet (6) of autotrophy reaction zone.
7. the cooperative processing method of a kind of marine exhaust scrub raffinate and Sewage from Ships according to claim 6,
It is characterized in that,
The Heterotrophic activity sludge is the Heterotrophic activity sludge after domestication, the acclimation method of Heterotrophic activity sludge are as follows: anaerobism is living
Property sludge is put into continuous-stirring reactor, is passed through the ship flue gas desulfurization scrub raffinate and Sewage from Ships of manual simulation
Composite waste, using continuum micromeehanics mode, reactor temperature is set as 25 DEG C -35 DEG C, mixing speed 15-25r/min, water
The power residence time is 8h-36h, SO4 2-Concentration is calculated as 900-1000mg/L with S, and organic matter is calculated as 250-310mg/L, pH value with N
Work as SO for 7.0-7.8, hydraulic detention time 8h-36h4 2-Removal rate is up to 90% or more, when sulfide production rate is up to 70% or more,
Heterotrophic activity sludge acclimatization based on sulfate reducing bacteria is completed；
The autotrophy activity sludge is the autotrophy activity sludge after domestication, the acclimation method of autotrophy activity sludge are as follows: anaerobism is living
Property sludge is put into continuous-stirring reactor, the ship desulfurization waste liquor, sanitary sewage after being passed through the Anaerobic Treatment of manual simulation
The mixed liquor of water outlet and marine exhaust denitration scrub raffinate, using continuum micromeehanics mode, reactor temperature is set as 25 DEG C -35
DEG C, mixing speed 15-25r/min, S in water inlet2-Concentration is calculated as 250-300mg/L, NO with S2 -200-300mg/ is calculated as with N
L, NH4 +It is calculated as 150-200mg/L with N, hydraulic detention time 8h-36h works as NO2 -And S2-Removal rate respectively reach 90% with
On, NH4 +The autotrophy activity when removal rate of-N reaches 70% or more, based on autotrophy desulfurization denitrifying bacterium and anaerobic ammonia oxidizing bacteria
Sludge acclimatization is completed；
The anaerobic activated sludge is derived from the anaerobic processing devices such as anaerobic fermentation tank or sludge concentration tank.
8. the cooperative processing method of a kind of marine exhaust scrub raffinate and Sewage from Ships according to claim 7,
Be characterized in that, the Heterotrophic activity sludge acclimatization uses artificial distribution, artificial distribution's ingredient be natural clean seawater, peptone and
NaHCO3；The autotrophic denitrification activated sludge acclimatization uses artificial distribution, artificial distribution's ingredient be natural clean seawater,
NaNO2、Na2S、NH4Cl and NaHCO3。
9. a kind of boat diesel engine exhaust gas scrub raffinate according to claim 6 cooperates with processing side with Sewage from Ships
Method, which is characterized in that
Heterotrophic activity sludge seeding to heterotrophism reaction zone (12) inoculum density are as follows: 20-40gMLVSS/L；
Autotrophy activity sludge seeding to autotrophy reaction zone (14) inoculum density are as follows: 25-45gMLVSS/L.
10. a kind of boat diesel engine exhaust gas scrub raffinate according to claim 6 cooperates with processing with Sewage from Ships
Method, which is characterized in that the service condition of the heterotrophism reaction zone (13) are as follows: SO4 2-Concentration is calculated as 900-1000mg/L with S, has
Machine object is calculated as 270-310mg/L, pH value 7.0-7.8, mixing speed 10-20r/min, continuous flow water inlet, hydraulic retention with N
Time is 8h-36h；
The service condition of the autotrophy reaction zone (14) are as follows: NO in water inlet2 -200-300mg/L, pH value 7.0- are calculated as with N
7.8, mixing speed 10-20r/min, continuous flow water inlet, hydraulic detention time 8h-36h.
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