CN108500034A - A kind of antibiotic bacterium residues processing technique - Google Patents
A kind of antibiotic bacterium residues processing technique Download PDFInfo
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- CN108500034A CN108500034A CN201810258435.4A CN201810258435A CN108500034A CN 108500034 A CN108500034 A CN 108500034A CN 201810258435 A CN201810258435 A CN 201810258435A CN 108500034 A CN108500034 A CN 108500034A
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- antibiotic bacterium
- antibiotic
- processing technique
- electron beam
- dregs
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- 230000003115 biocidal effect Effects 0.000 title claims abstract description 99
- 241000894006 Bacteria Species 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000012545 processing Methods 0.000 title claims abstract description 28
- 238000010894 electron beam technology Methods 0.000 claims abstract description 22
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000005855 radiation Effects 0.000 claims abstract description 12
- 230000029087 digestion Effects 0.000 claims description 11
- 239000002361 compost Substances 0.000 claims description 9
- 230000035515 penetration Effects 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 231100000987 absorbed dose Toxicity 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000011172 small scale experimental method Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 108090000623 proteins and genes Proteins 0.000 abstract description 8
- 239000003242 anti bacterial agent Substances 0.000 abstract description 4
- 229940088710 antibiotic agent Drugs 0.000 abstract description 4
- 239000002245 particle Substances 0.000 abstract description 4
- 238000004332 deodorization Methods 0.000 abstract description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 abstract description 2
- -1 hydroxyl radical free radical Chemical class 0.000 abstract description 2
- 239000011164 primary particle Substances 0.000 abstract description 2
- 230000001954 sterilising effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 235000012539 Bacterium linens Nutrition 0.000 description 1
- 244000177578 Bacterium linens Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of antibiotic bacterium residues processing techniques, it uses electron beam to carry out radiation treatment to antibiotic bacterium dregs, wherein electron beam directly acts on antibiotic molecule and/or antibiotic resistance gene, destroy its structure, most of electron beam is acted on the hydrone in antibiotic bacterium dregs simultaneously, generates hydroxyl radical free radical (OH), hydrogen peroxide (H2O2) etc. Strong oxdiatives particle, while generating the aqueous electron (e of almost equivalentaq ‑) and hydrogen atom (H) etc. go back primary particle by force, the structure and antibiotics resistance gene of antibiotic are destroyed using free particle, while realizing the purpose that sterilizing, deodorization and flco crack.
Description
Technical field
The present invention relates to a kind for the treatment of process of antibiotic bacterium dregs, especially one kind may be implemented antibiotic bacterium dregs entirely without
The technique of evilization processing.
Background technology
China is antibiotics production and uses big country, ends 2015, and Chinese antibiotic annual output reaches 210,000 tons, outlet
Antibiotic accounts for about the 70% of international market share.A large amount of antibiotic bacterium dregs are will produce in the production process of antibiotic, according to system
It counts, often the antibiotic of 1 ton of production will produce 10 tons of antibiotic bacterium dregs.Contain remaining antibiotic and antibiosis in antibiotic bacterium dregs
Plain resistant gene, the antibiotic bacterium dregs without being effectively treated are directly discharged into environment, seriously destroy ecological environment.2008, resist
Raw element bacteria residue (fermentation class pharmacy residue) is put into《National Hazard waste register》, it is necessary at the management method of hazardous waste
Reason, disposition.
Currently, antibiotic bacterium dregs treatment technology includes mainly high temperature pyrolysis and anaerobic digestion, method of disposal mainly includes
Machine compost, burning and landfill etc., but the requirement of relevant technology and regulation and indefinite, utilization rate is low, most antibiotic
Bacteria residue and without being effectively treated, is directly discharged in environment.
As described above, antibiotic bacterium Slag treatment main method is high temperature pyrolysis and anaerobic digestion now, pyrohydrolysis is a kind of
Effective antibiotic bacterium dregs preconditioning technique, reaction temperature control between 160~180 DEG C, reaction time about 60min.With it is normal
The heat drying ratio of rule, avoids the loss of the latent heat of vaporization, has apparent power savings advantages.But pyrohydrolysis needs the anti-of high temperature and pressure
Condition is answered, therefore to equipment requirement height, security risk is big, exists simultaneously Maillard reaction (Maillard), generates difficult to degrade
Poly ammonia is unfavorable for the post-processing of antibiotic bacterium dregs filtrate.Anaerobic digestion generally has mesophilic digestion (about 35 DEG C) and high temperature to disappear
Change (about 55 DEG C), but China's anaerobic digestion techniques are not completely ripe at present, the utilization rate of technology is not high, most of anaerobism dress
Non- normal operation is set, processing capacity is well below demand.
Main disposal options include organic compost, landfill and burning to antibiotic bacterium dregs at present, but there is certain disadvantage
End.Burning is most thorough in method of disposal, but since antibiotic bacterium dregs moisture content is high (about 70% or more), calorific value is low, needs
Additional addition fuel adjunct, burning is of high cost, has exceeded the acceptable range in market.Organic compost uses the mode pair of microorganism
Organic substance in antibiotic bacterium dregs carries out oxidation and mineralising, forms organic fertilizer.But the megathermal period reaction temperature of organic compost
Generally at 80 DEG C or so, it is difficult to effectively destroy remaining antibiotic composition in antibiotic bacterium dregs, therefore certain ring is still had
Border risk.Landfill only shifts pollutant, and is not implemented and destroys or remove, and needs by certain pretreatment, simultaneously
Present soil is in short supply, and landfill method is gradually eliminated.Therefore a kind of effective, economic, the high antibiotic of feasibility is needed
Treatment technology is conducive to the further disposition in later stage, eliminates safety hazard of the antibiotic to environment.
Antibiotic bacterium dregs are mainly derived from the production process of antibiotic, therefore contain residual antibiosis in antibiotic bacterium dregs
Element is such as put into nature without processing, be easy to cause resistance accumulation, is formed " superbacteria ", endanger public health
Safety.The difficult point of antibiotic bacterium Slag treatment is the antibiotic resistance base that thoroughly removes its remaining titer of antibodies and may contain
Cause.Problem to be solved by this invention is to destroy antibiotic molecule structure and antibiotics resistance gene structure, removal antibiotic effect
Valence, to realize the innoxious of antibiotic bacterium dregs.
Invention content
Place against the above deficiency, the purpose of the present invention is to provide a kind of effective, economic, the high antibiosis of feasibility
Plain treatment technology is conducive to the further disposition in later stage, eliminates safety hazard of the antibiotic to environment.
The technical solution adopted by the present invention is：A kind of antibiotic bacterium residues processing technique at normal temperatures uses antibiotic bacterium dregs
Electron beam carry out radiation treatment, first passed through before processing small-scale experiment determine processing antibiotic bacterium dregs corresponding to absorbed dose of radiation and
Treatment process, lab scale are mainly carried out in laboratory, by comparing the execution of antibiotic bacterium dregs under different absorbents amount, are obtained
Optimal absorption dosage.Since the type of antibiont is more, need to use no treatment process for different antibiotic bacterium dregs.
Further, the moisture control of the antibiotic bacterium dregs is 85%~95%.Moisture content is by being added tap water
It is diluted, the additive amount of tap water is calculated by the moisture content analysis of original mud amount.
Further, oxidant is heat-treated or added in the antibiotic bacterium dregs.Due to antibiont type compared with
It is more, it needs to use no treatment process for different antibiotic bacterium dregs, for the isostructural antibiotic of heterocycle, it is more difficult to realize
The destruction of molecular structure, it is sometimes desirable to carry out cooperateing with processing with pyrohydrolysis or oxidant.
Further, the oxidant is hydrogen peroxide, and additive amount is stirred evenly to be placed under beam and be transmitted 5~15%
In system.
Further, the pyrohydrolysis reaction temperature control is between 80~180 DEG C.
Further, the dosage of the radiation treatment is 5~50kGy.
Further, the electron beam treatment rate is 5~60m/min.
Further, according to the energy of electron accelerator, using formulaIt is calculated
The optimal penetration thickness of electron beam, and then determine the bacteria residue thickness for the antibiotic bacterium dregs for carrying out radiation treatment, wherein RopT is most
Good penetration thickness is equal to the dosage (cm) at surface in the depth absorbed dose of radiation；E0 is beam energy (MeV)；D is to be illuminated
Density (the g/cm of bacteria residue3), the electron beam is generated by electron accelerator.
Further, the control errors of the thickness of the antibiotic bacterium dregs are within -5%, the form that sludge passes through extrusion
It is expressed into pallet, in the top of pallet, there are one scraping blades, can adjust scraping blade at a distance from tray bottom, it is convenient to will surpass
The bacteria residue for going out design value is wiped off, and is stored in new pallet.
Further, the antibiotic bacterium dregs are used for organic compost or anaerobic digestion after electron beam irradiation is handled,
The antibiotic residue and resistant gene crossed electron beam irradiation treated in antibiotic bacterium dregs are destroyed, and bacteria residue is realized innoxious.
Antibiotic after innoxious can be used for organic compost, it can also be used to which the recycling of antibiotic bacterium dregs is really realized in anaerobic digestion.
The beneficial effects of the invention are as follows：
1, it uses electronic beam irradiation technology as antibiotic bacterium dregs processing method, destroys the antibiotic residue in antibiotic bacterium dregs
And antibiotics resistance gene, carry out harmless treatment.
2, electron beam is combined into the antibiotic bacterium dregs for cooperateing with processing structure more complex with hydrogen peroxide, does not generate secondary pollution.
3, it can be carried using electron beam processing technology as the organic compost of antibiotic bacterium dregs or the preconditioning technique of anaerobic digestion
High efficiency, it is ensured that the safety of product.
4, it is handled together together with the antibiotic composition in waste water during handling bacteria residue, does not influence the place of later stage filtrate
Reason.
Specific implementation mode
With reference to embodiment, the present invention is described in further detail, to enable those skilled in the art with reference to specification
Word can be implemented according to this.
The principle of electron beam treatment antibiotic bacterium dregs includes two parts, and for a part directly to act on, high-power electron beam is direct
Antibiotic molecule and/or antibiotic resistance gene are acted on, its structure is destroyed.And most of electron beam and the moisture in antibiotic bacterium dregs
Son effect, generates hydroxyl radical free radical (OH), hydrogen peroxide (H2O2) etc. Strong oxdiatives particle, while generating the hydration of almost equivalent
Electronics (eaq-) and hydrogen atom (H) etc. go back primary particle by force, utilize free particle to destroy the structure and antibiotic resistance base of antibiotic
Cause, while realizing the purpose that sterilizing, deodorization and flco crack, be conducive to dehydration or the anaerobic digestion in later stage.Specifically
Embodiment is as follows：
1) moisture control of antibiotic bacterium dregs is easy to the transmission of system under beam 85%~95% or so；
2) absorbed dose of radiation and treatment process corresponding to the antibiotic bacterium dregs of small-scale experiment determination processing should be first passed through；
3) it is directed to antibiotic structure difficult to degrade, hydrogen peroxide collaboration processing can be used, the additive amount of hydrogen peroxide is in 5%-
15%, it stirs evenly and is placed under beam in Transmission system；
4) according to the energy of electron accelerator, using formulaElectron beam is calculated
Optimal penetration thickness, and then determine carry out radiation treatment antibiotic bacterium dregs bacteria residue thickness, wherein RoptFor optimal penetration
Thickness is equal to the dosage (cm) at surface in the depth absorbed dose of radiation；E0For beam energy (MeV)；D is to be illuminated bacteria residue
Density (g/cm3)；
5) thickness control system of antibiotic bacterium dregs under beam, control errors are designed according to the penetration thickness of electron accelerator
Within -5%；
6) speed is required evenly to pass through electron beam, the dosage of general antibiotic bacterium dregs according to the First Astronautic Research Institute for Measurement and Test of setting is corresponding
In 5~50kGy, preferably 5~30kGy；Speed control is in 5~60m/min；Preferably 5~20m/min；
7) antibiotic residue and resistant gene passed through in electron beam irradiation treated antibiotic bacterium dregs is destroyed, bacteria residue
It realizes innoxious.Antibiotic after innoxious can be used for organic compost, it can also be used to which antibiotic bacterium dregs are really realized in anaerobic digestion
Recycling.
Embodiment
For antibiotic bacterium dregs, we are tested by above-mentioned parameter, and the experimental data obtained is as follows：
Wherein the treatment conditions of the red bacteria residue of sulphur are irradiation+hydrogen peroxide oxidant, about 20kGy+6% hydrogen peroxide；Cephalo bacterium
The treatment process of slag is individually 40~50kGy of irradiation, and treatment effect is as shown in the table, is handled with general using after electron beam treatment
Technique is compared, and pollutant load has 50% or more decline, with obvious effects.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (10)
1. a kind of antibiotic bacterium residues processing technique, which is characterized in that at normal temperatures, antibiotic bacterium dregs are irradiated with electron beam
Processing first passes through absorbed dose of radiation and treatment process corresponding to the antibiotic bacterium dregs of small-scale experiment determination processing before processing.
2. antibiotic bacterium residues processing technique as described in claim 1, which is characterized in that the moisture content control of the antibiotic bacterium dregs
System is 85%~95%.
3. antibiotic bacterium residues processing technique as described in claim 1, which is characterized in that the antibiotic bacterium dregs are carried out hot water
Solution or addition oxidant.
4. antibiotic bacterium residues processing technique as claimed in claim 3, which is characterized in that the oxidant is hydrogen peroxide, is added
Dosage is 5~15%.
5. antibiotic bacterium residues processing technique as claimed in claim 3, which is characterized in that the pyrohydrolysis reaction temperature control exists
Between 80~180 DEG C.
6. such as Claims 1 to 5 any one of them antibiotic bacterium residues processing technique, which is characterized in that the electron beam irradiation
The dosage of processing is 5~50kGy.
7. such as Claims 1 to 5 any one of them antibiotic bacterium residues processing technique, which is characterized in that the electron beam treatment
Rate is 5~60m/min.
8. antibiotic bacterium residues processing technique as claimed in claim 7, which is characterized in that according to the energy of electron accelerator, adopt
Use formulaThe optimal penetration thickness of electron beam is calculated, and then determination carries out at irradiation
The bacteria residue thickness of the antibiotic bacterium dregs of reason, wherein RoptFor optimal penetration thickness, it is equal at surface in the depth absorbed dose of radiation
Dosage (cm)；E0For beam energy (MeV)；D is the density (g/cm for being illuminated bacteria residue3)。
9. antibiotic bacterium residues processing technique as claimed in claim 8, which is characterized in that the mistake of the thickness of the antibiotic bacterium dregs
Difference control is within -5%.
10. antibiotic bacterium residues processing technique as described in claim 1, which is characterized in that the antibiotic bacterium dregs pass through electronics
After beam radiation treatment, it to be used for organic compost or anaerobic digestion.
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| CN201810258435.4A CN108500034A (en) | 2018-03-27 | 2018-03-27 | A kind of antibiotic bacterium residues processing technique |
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| CN201810258435.4A CN108500034A (en) | 2018-03-27 | 2018-03-27 | A kind of antibiotic bacterium residues processing technique |
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| CN108500034A true CN108500034A (en) | 2018-09-07 |
Family
ID=63378644
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604313A (en) * | 2019-01-22 | 2019-04-12 | 北京三强核力辐射工程技术有限公司 | A method of antibiotic in heat treatment collaboration irradiation-induced degradation feces of livestock and poultry |
| CN109824391A (en) * | 2019-03-26 | 2019-05-31 | 北京科技大学 | A kind of tylosin dreg compost method of resource |
| CN112108503A (en) * | 2020-09-27 | 2020-12-22 | 中广核达胜加速器技术有限公司 | Electron beam irradiation innocent treatment device |
| CN113354490A (en) * | 2021-07-21 | 2021-09-07 | 清华大学 | Method for improving aerobic composting effect of cephalosporin fermentation bacteria residues by using electron beam irradiation |
| CN114949720A (en) * | 2022-06-09 | 2022-08-30 | 清华大学 | Antibiotic fungi residue treatment method and system |
| CN115581886A (en) * | 2021-07-06 | 2023-01-10 | 中核第四研究设计工程有限公司 | Novel harmless treatment method for oxytetracycline bacterial residues by irradiation of electron beams |
| CN116213434A (en) * | 2023-03-31 | 2023-06-06 | 中广核达胜加速器技术有限公司 | Treatment method of erythromycin thiocyanate fungus residues |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604313A (en) * | 2019-01-22 | 2019-04-12 | 北京三强核力辐射工程技术有限公司 | A method of antibiotic in heat treatment collaboration irradiation-induced degradation feces of livestock and poultry |
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| CN109824391A (en) * | 2019-03-26 | 2019-05-31 | 北京科技大学 | A kind of tylosin dreg compost method of resource |
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| CN115581886A (en) * | 2021-07-06 | 2023-01-10 | 中核第四研究设计工程有限公司 | Novel harmless treatment method for oxytetracycline bacterial residues by irradiation of electron beams |
| CN113354490A (en) * | 2021-07-21 | 2021-09-07 | 清华大学 | Method for improving aerobic composting effect of cephalosporin fermentation bacteria residues by using electron beam irradiation |
| CN114949720A (en) * | 2022-06-09 | 2022-08-30 | 清华大学 | Antibiotic fungi residue treatment method and system |
| CN116213434A (en) * | 2023-03-31 | 2023-06-06 | 中广核达胜加速器技术有限公司 | Treatment method of erythromycin thiocyanate fungus residues |
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Application publication date: 20180907 |