CN104986853B - Method for treating spiramycin fermentation wastewater - Google Patents
Method for treating spiramycin fermentation wastewater Download PDFInfo
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- CN104986853B CN104986853B CN201510372917.9A CN201510372917A CN104986853B CN 104986853 B CN104986853 B CN 104986853B CN 201510372917 A CN201510372917 A CN 201510372917A CN 104986853 B CN104986853 B CN 104986853B
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Abstract
The invention discloses a method for treating spiramycin fermentation wastewater containing high-concentration organic solvents effectively, fast and continuously. According to the method, market anaerobic sludge is pretreated specially; treatment is carried out for a certain time in an anaerobic reactor under a specific first pH condition; the spiramycin fermentation wastewater containing the high-concentration organic solvents is continuously treated under a specific second pH condition, so as to greatly shorten the wastewater treatment time, ensure that the treatment effect is very high, and efficiently reduce the COD value of wastewater. The method is simple and efficient, and has an excellent market promotion prospect.
Description
Technical field
A kind of the present invention relates to field of waste water treatment, in particular it relates to method for processing ferment of spiramycin waste water.
Background technology
Spiramycin is clinically conventional macrolide antibiotics, at home and abroad has a large amount of productions.Therefore, spiral is mould
How the bulk fermentation waste water produced in plain production process is processed, and is the significant problem for being related to environment optimization.
It is only capable of processing in currently available technology and gives up without the relatively low ferment of spiramycin of organic solvent or organic solvent content
Water；Method as disclosed in document [1], [2], [3]：[1] Chen Daijie, Li Jian, Zhu Pei etc..It is a kind of to process ferment of spiramycin
The method of bacteria residue：China, 201210520982 [P] .2014-06-11；[2]：Zhu Pei, Zhang Jianbin, Li Jian etc..Multistage anaerobic
Method processes the research [J] of spiramycin industrial fermentation bacteria residue effect. environmental project journal, 2014,8 (2)：703-708；[3] Liu
Wen Bin, Zhang Jianbin, Li Jian etc. ferment of spiramycin bacteria residue studies [J] with process for treating waste liquor.Environmental science and technology,
2014,37 (6N)：150-153+162.
Wherein method [1] [2] is same process, and the object of process is bacteria residue+clear water, without organic solvent, mainly
Step is：
Organic solvent is not contained in the object of the method process, for the middle Antimicrobial detrimental effect of anaerobic sludge
It is less；
In document [3], the object of the disposal methods of report is bacteria residue+raffinate heavy-fluid, wherein contains organic solvent,
Step a kind of ibid method substantially, using bricklayer's's skill is mended, occurs in that the suppression of organic solvent, have impact in the method
COD clearances.
As can be seen here, if containing high concentration (such as >=6000mg/L), organic solvent is (such as butyl acetate, just in pending thing
Butanol etc.), obvious inhibitory action can be produced to anaerobic sludge, cause the COD clearances of anaerobic reactor drastically to decline；And
In actual production, the fermentation waste water containing high levels of organic solvents in a large number is often produced.
Therefore, this area is needed exploitation badly and is capable of the effective process ferment of spiramycin waste water that contains high levels of organic solvents
Method.
The content of the invention
It is an object of the invention to provide a kind of effective process contains the ferment of spiramycin waste water of high levels of organic solvents
Method.
In a first aspect of the present invention, there is provided a kind of method of process ferment of spiramycin waste water, methods described include
Following steps：
A () adds preprocessed in single-stage or multistage anaerobic reactor in pending ferment of spiramycin waste water
Anaerobic sludge, formed containing the anaerobic sludge waste water mixture, described in wherein described waste water mixture, pretreatment detests
First sludge concentration of oxygen sludge is 5～50g/L, preferably 10～40g/L, is more preferably 10～20g/L；
B () maintains the first sludge of the anaerobic sludge of pretreatment in the waste water mixture in the anaerobic reactor
Concentration, carries out anaerobic treatment 1-5 days under the first pH value；With
C () intermittently or continuously adds pending ferment of spiramycin waste water in the anaerobic reactor, and
The draining that the waste water of Jing anaerobic treatment is processed as Jing is discharged from the anaerobic reactor, it is wherein pre- in maintenance waste water mixture
The concentration of the anaerobic sludge of process be the second sludge concentration, second sludge concentration be 5～100g/L, preferably 5～
50g/L, is more preferably 10～20g/L, and carries out anaerobic treatment under the second pH value；
Wherein, step (a) and the pending ferment of spiramycin waste water COD >=10000mg/L described in (c), organic
Solvent strength >=6000mg/L.
In another preference, the anaerobic sludge of described pretreatment is to carry out pretreatment with the method for comprising the following steps
's：
(a1) anaerobic sludge is mixed with 20-100mg/L spiramycin solution, forms preconditioned mixture, and in anaerobism
Under conditions of 30-40 DEG C, preconditioned mixture is placed 10-50 days；With
(a2) the pretreated mixture is directly used as into pretreated anaerobic sludge, or from the Jing in advance from
The mixture of reason isolates sludge, used as pretreated anaerobic sludge.
In another preference, in step (a1), daily the preconditioned mixture is stirred 1-5 time.
In another preference, in step (a1), the time of the preconditioned mixture stirring is that 5-60 minutes are (preferable
Ground 10-50 minutes), it is common 1-5 time, or total mixing time is 30-90 minutes daily.
In another preference, in step (a1), the mixing speed of the preconditioned mixture stirring is 50-
200rpm, preferably 80-150rpm.
In another preference, in step (a1), 37 DEG C of insulation closed standings are included in 25-35 days, wherein stir daily
Twice, the rotating speed of stirring is 80-120rpm, and each mixing time is 10-60 minutes.
In another preference, described anaerobic reactor is multistage anaerobic reactor, preferably 2,3,4,5 or 6 grades
Anaerobic reactor.
In another preference, one or more or each reaction tank volume of the multistage anaerobic reactor is 10-
100L, preferably 15-50L.
In another preference, each reaction tank volume of the multistage anaerobic reactor is identical or essentially identical.
In another preference, the multistage anaerobic reactor is made up of the connection of four retort, respectively No. 1, No. 2,3
Number and No. 4 retort.
In another preference, the first described pH value is 6.8-8.5, preferably 7.0-8.0.
In another preference, the second described pH value is 6.0-7.5, preferably 6.2-6.9.
In another preference, described the first pH value (pH1) is more than the second pH value (pH2), preferably pH1-pH2=
0.2-1.0。
In another preference, methods described includes：In step (c), by the first class reaction pot of multistage anaerobic reactor
The pH value of middle spiramycin waste water is adjusted to 6.2～6.9, so as to control the second pH value in whole anaerobic reactor.
In another preference, spiramycin in the pending ferment of spiramycin waste water described in step (a) and (c)
Concentration be 10-150mg/L, preferably 40-70mg/L.
In another preference, described anaerobic reactor is multistage anaerobic reactor, and in step (c), from many
The first order reaction pot bottom of level anaerobic reactor fills into described ferment of spiramycin waste water, adjusts pH value and controls anaerobic sludge
Concentration, carries out continuous processing to ferment of spiramycin waste water.
In another preference, in described ferment of spiramycin waste water, organic solvent total concentration is 6000mg/L.
In another preference, the COD value scope of the ferment of spiramycin waste water is 12000mg/L-15000mg/L.
In another preference, in step (c), the anaerobic sludge concentration in the anaerobic reactor is monitored, and works as sludge
When concentration is less than predetermined value, the pretreated anaerobic sludge is added in reactor.
In another preference, the first described sludge concentration C1 with the ratio (C1/C2) of second sludge concentration C2 is
1-2。
In another preference, in step (a), the inoculum concentration of pretreated anaerobic sludge is the anaerobic reactor
The 30-50% of cumulative volume.
In another preference, in step (b), also with one or more technical characteristics being selected from the group：
First pH value is 7.0-8.0；
37 DEG C are incubated closed standing；
Stirring 1-2 time daily；
The rotating speed of stirring is 50-200rpm, preferably 80-120rpm；
Mixing time is 0.5-1.5 hours every time；
Continue 2-4 days.
In another preference, in step (c), spiramycin is filled into from the first order reaction pot bottom of multistage anaerobic reactor
Fermentation waste water, while discharge the spiramycin Jing after processing of same volume from last retort of multistage anaerobic reactor
Waste water is used as water outlet.
In another preference, in step (c), the amount of filling into daily of the pending spiramycin waste water is detested for described
The 1/9～1/15 of oxygen reactor cumulative volume.
In another preference, the step (c) at least continues 30-360 days, preferably 60-200 days.
In another preference, the pending ferment of spiramycin COD value of waste water scope >=10000mg/L, and institute
COD value scope≤2500mg/L in the draining that the Jing for stating is processed.
In another preference, COD value V2 and the pending ferment of spiramycin in the draining that described Jing is processed
Ratio≤20% of COD value of waste water V1, preferably≤15%, it is more preferably 5-15%.
It should be understood that within the scope of the present invention, above-mentioned each technical characteristic of the present invention and have in below (eg embodiment)
Can be combined with each other between each technical characteristic of body description, so as to constitute new or preferred technical scheme.As space is limited, exist
This no longer tires out one by one states.
Description of the drawings
During Fig. 1 shows an example of the invention, multistage anaerobic reactor assembly schematic diagram.
Fig. 2 shows the technological process of multistage anaerobic reactor for treatment spiramycin waste water of the present invention.
Specific embodiment
The present inventor develops a kind of energy through long-term extensively in-depth study by screening in a large number and testing first
The method that effectively and rapidly continuous processing contains the ferment of spiramycin waste water of high levels of organic solvents.In the method, by city
Selling anaerobic sludge carries out specific pretreatment, and when in anaerobic reactor, under the conditions of a specific pH, startup processes one section
Between, then under the conditions of specific 2nd pH, continuous processing contains the ferment of spiramycin waste water of high levels of organic solvents again, greatly
Shorten the wastewater treatment time, and have extraordinary treatment effect to the fermentation waste water containing high levels of organic solvents, can be high
Effect reduces the COD value of waste water.The present invention is completed on this basis.
The pretreatment of anaerobic sludge
Present invention method first there is provided anaerobic sludge pretreatment.The method comprising the steps of：
(a1) anaerobic sludge is mixed with 20-100mg/L spiramycin solution, forms preconditioned mixture, and in anaerobism
Under conditions of 30-40 DEG C, preconditioned mixture is placed 10-50 days；With
(a2) the pretreated mixture is directly used as into pretreated anaerobic sludge, or from the Jing in advance from
The mixture of reason isolates sludge, used as pretreated anaerobic sludge.
In another preference, in step (a1), daily the preconditioned mixture is stirred 1-5 time.
In another preference, in step (a1), the time of the preconditioned mixture stirring is that 5-60 minutes are (preferable
Ground 10-50 minutes), it is common 1-5 time, or total mixing time is 30-90 minutes daily.
In another preference, in step (a1), the mixing speed of the preconditioned mixture stirring is 50-
200rpm, preferably 80-150rpm.
In another preference, in step (a1), 37 DEG C of insulation closed standings are included in 25-35 days, wherein stir daily
Twice, the rotating speed of stirring is 80-120rpm, and each mixing time is 10-60 minutes.
The processing method of the ferment of spiramycin waste water containing high levels of organic solvents
The invention provides a kind of processing method of the ferment of spiramycin waste water containing high levels of organic solvents, it mainly wraps
Include following steps：
A () adds preprocessed in single-stage or multistage anaerobic reactor in pending ferment of spiramycin waste water
Anaerobic sludge, formed containing the anaerobic sludge waste water mixture, described in wherein described waste water mixture, pretreatment detests
First sludge concentration of oxygen sludge is 5～50g/L, preferably 10～40g/L, is more preferably 10～20g/L；
B () maintains the first sludge of the anaerobic sludge of pretreatment in the waste water mixture in the anaerobic reactor
Concentration, carries out anaerobic treatment 1-5 days under the first pH value；With
C () intermittently or continuously adds pending ferment of spiramycin waste water in the anaerobic reactor, and
The draining that the waste water of Jing anaerobic treatment is processed as Jing is discharged from the anaerobic reactor, it is wherein pre- in maintenance waste water mixture
The concentration of the anaerobic sludge of process be the second sludge concentration, second sludge concentration be 5～100g/L, preferably 5～
50g/L, is more preferably 10～20g/L, and carries out anaerobic treatment under the second pH value；
Wherein, step (a) and the pending ferment of spiramycin waste water COD >=10000mg/L described in (c), organic
Solvent strength >=6000mg/L.
In another preference, described anaerobic reactor is multistage anaerobic reactor, preferably 2,3,4,5 or 6 grades
Anaerobic reactor.
In another preference, one or more or each reaction tank volume of the multistage anaerobic reactor is 10-
100L, preferably 15-50L.
In another preference, each reaction tank volume of the multistage anaerobic reactor is identical or essentially identical.
In another preference, the multistage anaerobic reactor is made up of the connection of four retort, respectively No. 1, No. 2,3
Number and No. 4 retort.
In another preference, the first described pH value is 6.8-8.5, preferably 7.0-8.0.
In another preference, the second described pH value is 6.0-7.5, preferably 6.2-6.9.
In another preference, described the first pH value (pH1) is more than the second pH value (pH2), preferably pH1-pH2=
0.2-1.0。
In another preference, methods described includes：In step (c), by the first class reaction pot of multistage anaerobic reactor
The pH value of middle spiramycin waste water is adjusted to 6.2～6.9, so as to control the second pH value in whole anaerobic reactor.
In another preference, spiramycin in the pending ferment of spiramycin waste water described in step (a) and (c)
Concentration be 10-150mg/L, preferably 40-70mg/L.
In another preference, described anaerobic reactor is multistage anaerobic reactor, and in step (c), from many
The first order reaction pot bottom of level anaerobic reactor fills into described ferment of spiramycin waste water, adjusts pH value and controls anaerobic sludge
Concentration, carries out continuous processing to ferment of spiramycin waste water.
In another preference, in described ferment of spiramycin waste water, organic solvent total concentration is 6000mg/L.
In another preference, the COD value scope of the ferment of spiramycin waste water is 12000mg/L-15000mg/L.
In another preference, in step (c), the anaerobic sludge concentration in the anaerobic reactor is monitored, and works as sludge
When concentration is less than predetermined value, the pretreated anaerobic sludge is added in reactor.
In another preference, the first described sludge concentration C1 with the ratio (C1/C2) of second sludge concentration C2 is
1-2。
In another preference, in step (a), the inoculum concentration of pretreated anaerobic sludge is the anaerobic reactor
The 30-50% of cumulative volume.
In another preference, in step (b), also with one or more technical characteristics being selected from the group：
First pH value is 7.0-8.0；
37 DEG C are incubated closed standing；
Stirring 1-2 time daily；
The rotating speed of stirring is 50-200rpm, preferably 80-120rpm；
Mixing time is 0.5-1.5 hours every time；
Continue 2-4 days.
In another preference, in step (c), spiramycin is filled into from the first order reaction pot bottom of multistage anaerobic reactor
Fermentation waste water, while discharge the spiramycin Jing after processing of same volume from last retort of multistage anaerobic reactor
Waste water is used as water outlet.
In another preference, in step (c), the amount of filling into daily of the pending spiramycin waste water is detested for described
The 1/9～1/15 of oxygen reactor cumulative volume.
In another preference, the step (c) at least continues 30-360 days, preferably 60-200 days.
In another preference, the pending ferment of spiramycin COD value of waste water scope >=10000mg/L, and institute
COD value scope≤2500mg/L in the draining that the Jing for stating is processed.
In another preference, COD value V2 and the pending ferment of spiramycin in the draining that described Jing is processed
Ratio≤20% of COD value of waste water V1, preferably≤15%, it is more preferably 5-15%.
In a representative instance of the present invention, the technological process of ferment of spiramycin wastewater treatment includes：
1. anaerobic sludge pretreatment：
To in commercially available anaerobic sludge, add the spiramycin solution of 40～70mg/L, 37 DEG C of insulations to stand, stir two daily
Secondary, rotating speed 100rpm, mixing time 30min continue 30 days altogether.
2. multistage anaerobic reactor start-up：
Pretreated anaerobic sludge is inoculated in multistage anaerobic reactor, inoculum concentration for reactor cumulative volume 30～
50%, reactor residual volume is filled with spiramycin waste water (waste water contains organic solvent, similarly hereinafter), adjusts pH7～8,37 DEG C of guarantors
The closed standing of temperature, stirring 1 time daily, rotating speed 100rpm, mixing time 1 hour continue 3 days altogether, can start daily after terminating
Enter waste water operation, startup is completed.
3. multistage anaerobic reactor operation：
Spiramycin waste water is filled into from No. 1 pot bottom daily, the amount of filling into for reactor cumulative volume 1/9～1/15, by No. 1
Tank pH controls to discharge the waste water of same volume as water outlet from No. 4 tanks simultaneously at 6.2～6.9, waste filling water.Supplement waste water complete
Cheng Hou, opens corresponding internal circulation pumps at different levels and is stirred, and mixing time is 1～3 hour.It is dirty in run duration monitoring reactor
Mud concentration, if it find that sludge concentration declines, adds anaerobic sludge in reactor, and sludge concentration is controlled in 10～20g/L.
The anaerobic acclimation deadline
Unless otherwise stated, in the present invention, light from certain time, when COD clearances reach 75%, and here it
Afterwards it is sustainable maintenance 30 days clearances more than 75%, then it is assumed that the time point is considered as the anaerobic acclimation deadline, this when
Between the time required to the spent time for stabilizing it is anaerobic acclimation before point.
Main advantages of the present invention include：
1., by conditions such as the pH value in optimal startup stage and running stage, sludge concentrations, the inventive method can be notable
Improve to high organic solvent content and the treatment effect of the pending ferment of spiramycin waste water of high COD concentration.
2., the invention is characterized in that mending the technique that mud controls sludge concentration, organic solvent can be released micro- in anaerobic sludge
Biological inhibitory action, has preferable treatment effect to the ferment of spiramycin waste water containing high levels of organic solvents, reaches height
Effect removes the purpose of COD.
3. the present invention has carried out pretreatment to commercially available anaerobic sludge before commercially available anaerobic sludge is inoculated with, relative to directly making
Commercially available anaerobic sludge is used, the time of anaerobic acclimation is substantially shorter.
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the present invention.The experimental technique of unreceipted actual conditions in the following example, generally according to conventional strip
Part, or according to the condition proposed by manufacturer.Unless otherwise indicated, otherwise percentage ratio and number are percentage by weight and weight
Number.
Embodiment 1
Commercially available anaerobic sludge is taken, 50mg/L spiramycin solution is added thereto, 37 DEG C of insulations stand, and stir two daily
Secondary, rotating speed 100rpm, mixing time 30min continue 30 days altogether.
Anaerobic sludge after process is inoculated in multistage anaerobic reactor, inoculum concentration for reactor cumulative volume 40%,
Reactor residual volume spiramycin waste water is filled, and is adjusted pH for 7.5,37 DEG C and is incubated closed standing, daily stirring 1 time, turns
Fast 100rpm, mixing time 1 hour, continues 3 days altogether.Spiramycin waste water is filled into from No. 1 reaction pot bottom daily, the amount of filling into is
The control of No. 1 retort pH can be discharged same volumes from No. 4 tanks at 6.3, waste filling water by the 1/12 of reactor cumulative volume simultaneously
Waste water is used as water outlet.After the completion of supplementing waste water, open corresponding internal circulation pumps at different levels and be stirred, mixing time is 1 hour.
Run through a period of time, the anaerobic acclimation deadline is 28 days, and after reactor is stable, influent COD is
13534mg/L, water outlet COD are 2018mg/L, and COD clearances are 85.1%.
Embodiment 2
Commercially available anaerobic sludge is taken, 50mg/L spiramycin solution is added thereto, 37 DEG C of insulations stand, and stir two daily
Secondary, rotating speed 100rpm, mixing time 30min continue 30 days altogether.
The anaerobic sludge for processing is inoculated in multistage anaerobic reactor, inoculum concentration for reactor cumulative volume 40%,
Reactor residual volume spiramycin waste water is filled, and is adjusted pH for 7.5,37 DEG C and is incubated closed standing, daily stirring 1 time, turns
Fast 100rpm, mixing time 1 hour, continues 3 days altogether.After multistage anaerobic reactor start-up, fill into from No. 1 reaction pot bottom daily
Spiramycin waste water (containing organic solvent), the amount of filling into for reactor cumulative volume 1/12, by No. 1 retort pH control 6.3, are mended
After the completion of filling waste water, open corresponding internal circulation pumps at different levels and be stirred, mixing time is 1 hour.Monitor in running
Anaerobic sludge concentration, adds anaerobic sludge into tank, and sludge concentration is controlled in 12g/L.
After multistage anaerobic reactor is stable, inlet COD concentration is 13630mg/L, and effluent COD concentration is 1076mg/L, COD
Clearance is 92.1%.
Comparative example 1
Commercially available anaerobic sludge is taken, 37 DEG C of insulations stand, twice, rotating speed 100rpm, mixing time 30min are common for stirring daily
Continue 30 days.
Anaerobic sludge after process is inoculated in multistage anaerobic reactor, inoculum concentration for reactor cumulative volume 40%,
Reactor residual volume spiramycin waste water is filled, and is adjusted pH for 7.5,37 DEG C and is incubated closed standing, daily stirring 1 time, turns
Fast 100rpm, mixing time 1 hour, continues 3 days altogether.Spiramycin waste water is filled into from No. 1 reaction pot bottom daily, the amount of filling into is
No. 1 tank pH control can be discharged same volumes from No. 4 retort at 6.3, waste filling water by the 1/12 of reactor cumulative volume simultaneously
Waste water is used as water outlet.After the completion of supplementing waste water, open corresponding internal circulation pumps at different levels and be stirred, mixing time is 1 hour.
Run through a period of time, the anaerobic acclimation deadline is 64 days, and after reactor is stable, influent COD is
14094mg/L, water outlet COD are 4381mg/L, and COD clearances are 68.9%.
Comparative example 2
Commercially available anaerobic sludge is taken, 50mg/L spiramycin solution is added thereto, 37 DEG C of insulations stand, and stir two daily
Secondary, rotating speed 100rpm, mixing time 30min continue 30 days altogether.
The anaerobic sludge for processing is inoculated in multistage anaerobic reactor, inoculum concentration for reactor cumulative volume 40%,
Reactor residual volume spiramycin waste water is filled, and is adjusted pH for 7.5,37 DEG C and is incubated closed standing, daily stirring 1 time, turns
Fast 100rpm, mixing time 1 hour, continues 3 days altogether.After multistage anaerobic reactor start-up, spiral is filled into from No. 1 pot bottom daily
Mycin bacteria residue liquid (without organic solvent), enter that amount is reactor cumulative volume 1/12, by No. 1 tank pH control 6.3.Supplement waste water
After the completion of, to open corresponding internal circulation pumps at different levels and be stirred, mixing time is 1 hour.In running not in reactor
Anaerobic sludge is added, sludge concentration is 6g/L in measuring multistage anaerobic reactor.
After multistage anaerobic reactor is stable, inlet COD concentration is 13211mg/L, and effluent COD concentration is 4102mg/L, COD
Clearance is 69.0%.
The all documents referred in the present invention are all incorporated as reference in this application, independent just as each document
It is incorporated as with reference to such.In addition, it is to be understood that after the above-mentioned teachings for having read the present invention, those skilled in the art can
To make various changes or modifications to the present invention, these equivalent form of values equally fall within the model limited by the application appended claims
Enclose.
Claims (28)
1. it is a kind of process ferment of spiramycin waste water method, it is characterised in that the method comprising the steps of：
A () in single-stage or multistage anaerobic reactor is added in pending ferment of spiramycin waste water and pretreated is detested
Oxygen sludge, forms the waste water mixture containing the anaerobic sludge, and the anaerobism of pretreatment described in wherein described waste water mixture is dirty
First sludge concentration of mud is 5～50g/L；
B () maintains the first sludge concentration of the anaerobic sludge of pretreatment in the waste water mixture in the anaerobic reactor,
Anaerobic treatment 1-5 days is carried out under the first pH value；With
C () intermittently or continuously adds pending ferment of spiramycin waste water in the anaerobic reactor, and from institute
The draining that the waste water of Jing anaerobic treatment is processed as Jing is discharged in stating anaerobic reactor, pretreatment in waste water mixture is wherein maintained
The concentration of anaerobic sludge be the second sludge concentration, second sludge concentration is 5～100g/L, and is carried out under the second pH value
Anaerobic treatment；
Wherein, step (a) and the pending ferment of spiramycin waste water COD >=10000mg/L described in (c), organic solvent
Concentration >=6000mg/L；
The anaerobic sludge of described pretreatment is to carry out pretreatment with the method for comprising the following steps：
(a1) anaerobic sludge is mixed with 20-100mg/L spiramycin solution, forms preconditioned mixture, and in anaerobism and 30-
Under conditions of 40 DEG C, preconditioned mixture is placed 10-50 days；With
(a2) by placement after the preconditioned mixture be directly used as pretreated anaerobic sludge, or the institute from after placement
State preconditioned mixture and isolate sludge, as pretreated anaerobic sludge.
2. the method for claim 1, it is characterised in that the anaerobic sludge of pretreatment described in the waste water mixture
First sludge concentration is 10～40g/L, and second sludge concentration is 5～50g/L.
3. the method for claim 1, it is characterised in that in step (a1), daily the preconditioned mixture is stirred
Mix 1-5 time.
4. method as claimed in claim 3, it is characterised in that in step (a1), the preconditioned mixture stirring when
Between be 5-60 minutes, it is common 1-5 time, or daily always mixing time is 30-90 minutes.
5. method as claimed in claim 3, it is characterised in that in step (a1), the preconditioned mixture stirring are stirred
Speed is mixed for 50-200rpm.
6. the method for claim 1, it is characterised in that in step (a1), is included in closed standing 25-35 of 37 DEG C of insulations
My god, wherein twice, the rotating speed of stirring is 80-120rpm, and each mixing time is 10-60 minutes for stirring daily.
7. the method for claim 1, it is characterised in that described anaerobic reactor is multistage anaerobic reactor.
8. method as claimed in claim 7, it is characterised in that the multistage anaerobic reactor one or more or each it is anti-
Tank volume is answered to be 10-100L.
9. method as claimed in claim 7, it is characterised in that each reaction tank volume phase of the multistage anaerobic reactor
Together.
10. method as claimed in claim 7, it is characterised in that the multistage anaerobic reactor is by four retort connection groups
Into respectively No. 1, No. 2, No. 3 and No. 4 retort.
11. the method for claim 1, it is characterised in that the first described pH value is 6.8-8.5.
12. the method for claim 1, it is characterised in that the second described pH value is 6.0-7.5.
13. the method for claim 1, it is characterised in that the first described pH value is more than the second pH value.
14. the method for claim 1, it is characterised in that in step (c), will be the one-level of multistage anaerobic reactor anti-
The pH value of spiramycin waste water in tank is answered to be adjusted to 6.2～6.9, so as to control the second pH value in whole anaerobic reactor.
15. the method for claim 1, it is characterised in that the pending spiramycin described in step (a) and (c)
In fermentation waste water, the concentration of spiramycin is 10-150mg/L.
16. the method for claim 1, it is characterised in that described anaerobic reactor is multistage anaerobic reactor, and
In step (c), described ferment of spiramycin waste water is filled into from the first order reaction pot bottom of multistage anaerobic reactor, adjust pH
Value simultaneously controls anaerobic sludge concentration, carries out continuous processing to ferment of spiramycin waste water.
17. the method for claim 1, it is characterised in that in described ferment of spiramycin waste water, organic solvent is always dense
Spend for 6000mg/L.
18. the method for claim 1, it is characterised in that the COD value scope of the ferment of spiramycin waste water is
12000mg/L-15000mg/L。
19. the method for claim 1, it is characterised in that in step (c), monitor the anaerobism in the anaerobic reactor
Sludge concentration, and when sludge concentration is less than predetermined value, the pretreated anaerobic sludge is added in reactor.
20. the method for claim 1, it is characterised in that the first described sludge concentration C1 is dense with second sludge
The ratio (C1/C2) of degree C2 is 1-2.
21. the method for claim 1, it is characterised in that in step (a), the inoculation of pretreated anaerobic sludge
Measure the 30-50% for the anaerobic reactor cumulative volume.
22. the method for claim 1, it is characterised in that in step (b), also with for being selected from the group or many
Individual technical characteristic：
First pH value is 7.0-8.0；
37 DEG C are incubated closed standing；
Stirring 1-2 time daily；
The rotating speed of stirring is 50-200rpm；
Mixing time is 0.5-1.5 hours every time；
Continue 2-4 days.
23. the method for claim 1, it is characterised in that in step (c), from the first order reaction of multistage anaerobic reactor
Pot bottom fills into ferment of spiramycin waste water, while discharging same volume from last retort of multistage anaerobic reactor
Spiramycin waste water Jing after processing is used as water outlet.
24. the method for claim 1, it is characterised in that in step (c), the pending spiramycin waste water
The amount of filling into is the 1/9～1/15 of the anaerobic reactor cumulative volume daily.
25. the method for claim 1, it is characterised in that the step (c) at least continues 30-360 days.
26. the method for claim 1, it is characterised in that the pending ferment of spiramycin COD value of waste water scope
>=10000mg/L, and COD value scope≤2500mg/L in the draining that described Jing is processed.
27. the method for claim 1, it is characterised in that COD value V2 is waited to locate with described in the draining that described Jing is processed
Ratio≤20% of the ferment of spiramycin COD value of waste water V1 of reason.
28. the method for claim 1, it is characterised in that the anaerobic sludge of pretreatment described in the waste water mixture
The first sludge concentration be 10～20g/L, second sludge concentration be 10～20g/L.
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