CN104193104B - Method for treating pharmaceutical wastewater through immobilized biological activated carbon fibers - Google Patents
Method for treating pharmaceutical wastewater through immobilized biological activated carbon fibers Download PDFInfo
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- CN104193104B CN104193104B CN201410462091.0A CN201410462091A CN104193104B CN 104193104 B CN104193104 B CN 104193104B CN 201410462091 A CN201410462091 A CN 201410462091A CN 104193104 B CN104193104 B CN 104193104B
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- waste water
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Abstract
The invention discloses a method for treating pharmaceutical wastewater through immobilized biological activated carbon fibers, and belongs to the field of wastewater treatment. According to the invention, the immobilized biological activated carbon fibers are used in the treatment of pharmaceutical wastewater; removal rates of two important indexes which are turbidity and chemical oxygen demand (COD) are used for evaluating the treatment effect of the pharmaceutical wastewater through the immobilized biological activated carbon fibers. The method comprises the traditional pretreatment, such as coagulation, sand filtration and aeration in a middle pool carried on pharmaceutical wastewater, and pretreated water samples pass through an immobilized biological activated carbon fiber column. Pharmaceutical wastewater is treated through the immobilized biological activated carbon fibers, so that the treatment cost is lowered, and the treatment effect is further improved.
Description
Technical field
The present invention relates to field of waste water treatment, particularly to a kind of immobilized biological activated carbon fiber treatment pharmacy waste water
Method.
Background technology
Developing with medical industry, the development of health care aspect is advanced by leaps and bounds, the demand to medication for the people
Also greatly increase.Pharmacy waste water complicated component, the main synthetic drug that includes produces waste water, antibiotic production wastewater, and Chinese patent medicine is given birth to
Produce washings four big class of waste water and all kinds of formulation manufacturing processes.It is characterized in: complicated component, content of organics is high, toxicity
Greatly, colourity is deep and salinity is high, and particularly biochemical is very poor, and intermittent discharge, belongs to intractable industrial wastewater.
At present Physical, physical-chemical process, traditional biological method etc. are included to the main method adopting that processes of pharmacy waste water.
Physical can only remove the oleaginous material in water, unsatisfactory to the removal effect of other Organic substances；Traditional biological treatment side
Method running and comparing is stable, high treating effect, but floor space is big, the time of staying is long, there is also the secondary pollution of mud simultaneously
Problem.Therefore, should find that a kind of floor space is little, small investment, pollution is little, operating cost is low method Pharmaceutical Wastewater Treatment.
Absorption method is always a kind of more common processing method, and activated carbon is a kind of more common adsorbent.Activated carbon
Specific surface area is big, and porosity is high, so having good absorption property, and chemical stability is good, is a kind of porous thin
Aqueous sorbent.It has good removal effect to inorganic matters, Organic substance.But, when processing waste water with activated carbon, activity
The service life of charcoal is short, and regeneration is difficult it is impossible to continuous use, and the limited mechanical strength of granular active carbon, easily produces in use
Raw fine particle or powder, reduce effect of activated carbon.
Content of the invention
In order to solve problem of the prior art, embodiments provide a kind of immobilized biological activated carbon fiber treatment
The method of pharmacy waste water.
The concrete technical scheme that the present invention realizes that above-mentioned purpose taken is:
A kind of method of immobilized biological activated carbon fiber treatment pharmacy waste water, methods described is in conventional pretreating process
On carried out as follows using a kind of immobilized biological activated carbon fiber treatment pharmacy waste water, methods described:
(1) pretreatment of pharmacy waste water: take the pharmacy waste water of 500～1000ml to sequentially pass through coagulation, sand filtration and middle water
Pond aeration, with the clearance of turbidity and COD cod as index.Coagulant wherein needed for the coagulation stage be aluminum sulfate and
Polyacrylamide, its dosage is respectively 3.6～5.6ml/l and 0.6～2.0ml/l, and the filtrate in sand filtration pretreatment is quartz
Sand, filtering velocity and filter height are respectively 15～60ml/min and 15～35cm.
(2) preparation of immobilized biological activated carbon fiber: by the culture of engineering bacteria, domestication and fixation, prepare immobilization
Biological activated carbon fiber.
(3) the immobilized biological activated carbon fiber treatment of pharmacy waste water: the water outlet after aeration enters immobilized biological activated
Carbon fibe, with the clearance of turbidity and COD cod as index.Wherein the time of staying and charcoal post be highly respectively 15～
45min and 15～25cm.
Preferably, in described step (1) pharmacy waste water turbidity scope 60～275, the unit of described pharmacy waste water turbidity
Ntu, COD cod scope 804～5400, unit mg/l of described COD cod.
Preferably, the dosage of the aluminum sulfate coagulant in described step (1) and polyacrylamide be respectively 4.4ml/l and
1.0ml/l.
Preferably, the filtering velocity in described step (1) and filter height are respectively 30ml/min and 25cm.
Preferably, the culture of the engineering bacteria in described step (2) is that through flat board, one ring bacteria suspension is cultivated 24 at 30 DEG C
Cultivation results are observed, selection advantage strain is pseudomonass, capsule bacterium, bacillus, coccus after hour.Then picking list in flat board
Individual bacterium colony dislocation 30 DEG C on the inclined-plane at culture observe cultivation results after 24 hours.Finally use on inoculating loop picking slant medium
Strain one ring send into fluid medium in, make to be uniformly distributed in thalline liquid medium within, carry out shaken cultivation 37 DEG C,
Cultivate 48 hours under conditions of 160r/min.
Preferably, the domestication of the engineering bacteria in described step (2) is to be come using the method being stepped up pharmacy waste water concentration
Tame each bacterial strain, improve the ability of the tolerance to waste water for the microorganism and its degrading waste water.
Preferably, the fixation of the engineering bacteria in described step (2) is to the waste water water sample containing microorganism for the mix homogeneously
Carry out aeration, water outlet accesses biological activity charcoal post, effluent recycling two hours, stops a hour, flow back five times altogether.
Preferably, in described step (3), the time of staying and charcoal post are highly respectively 30min and 20cm.
Beneficial effect:
Method of the present invention has the advantages that floor space is little, small investment.By immobilized biological activated carbon fiber
Pharmaceutical Wastewater Treatment, reduces pharmacy wastewater treatment expense, improves pharmacy wastewater treatment effect.
Brief description
Fig. 1 is a kind of method flow of immobilized biological activated carbon fiber treatment pharmacy waste water provided in an embodiment of the present invention
Figure；
Fig. 2 is the method stream of another kind immobilized biological activated carbon fiber treatment pharmacy waste water provided in an embodiment of the present invention
Cheng Tu；
Fig. 3 is COD cod content design sketch provided in an embodiment of the present invention；
Fig. 4 is COD cod clearance design sketch provided in an embodiment of the present invention；
Fig. 5 is turbidity design sketch provided in an embodiment of the present invention；
Fig. 6 is turbidity removal rate design sketch provided in an embodiment of the present invention.
Specific embodiment
With specific embodiment, the present invention is further illustrated below in conjunction with the accompanying drawings, to be better understood from the present invention.
Embodiment 1
The embodiment of the present invention provides a kind of method of immobilized biological activated carbon fiber treatment pharmacy waste water, with reference to Fig. 1 institute
Show, specifically, the method includes:
101st, the pretreatment of pharmacy waste water
(1) coagulation: take pharmacy waste water 500ml respectively, this pharmacy waste water turbidity scope is in 60～275 (ntu), chemical oxygen demand
Amount cod scope is in 804～5400mg/l.Design two groups of experiments, respectively dosing coagulant aluminum sulfate and polyacrylamide, analysis is not
With the impact to pharmacy waste water turbidity and COD cod clearance for the dosage, determine optimum reaction condition, result such as table 1
With shown in table 2.4.4ml/l and 1.0ml/l is respectively by the optimum dosage understanding aluminum sulfate and polyacrylamide in table.
The impact to turbidity and cod for the table 1 aluminum sulfate coagulant dosage
The impact to turbidity and cod for the table 2 polyacrylamide dosage
(2) sand filtration: filtered using quartz sand as filtrate, the different filtering velocity of analysis, filter height are to turbidity in water and change
Learn the impact of oxygen demand cod clearance, determine optimum reaction condition.Result is as shown in Table 3 and Table 4.Optimal filter knowable in table
Speed and filter height are respectively 30ml/min and 25cm.
The impact to turbidity and cod clearance for table 3 filtering velocity
The impact to turbidity and cod clearance for table 4 filter height
(3) intermediate pool: aeration is carried out to sand filtration water outlet using aeration head.
102nd, the preparation of immobilized biological activated carbon fiber
1st, the culture of engineering bacteria
(1) flat board culture: sterilized culture medium is cooled to 45 DEG C about and is down flat plate, horizontal rest is waited to coagulate.To inoculate
Ring through flame sterilization and cools down, and dips in a ring bacteria suspension in flat lining out, notes not making inoculating loop scratch flat board.Rule
Finish, culture dish is inverted in electro-heating standing-temperature cultivator, 30 DEG C culture 24 hours after observe cultivation results.With the training of micro- sem observation
The antibacterial selection advantage strain raising is pseudomonass, pod membrane bacterium, bacillus, coccus.
(2) slant culture: by the sterilized test tube equipped with culture medium take out, tilting while hot on wooden stick, make in test tube
Medium slant length be test tube length 1/3～1/2 between, after culture medium solidifying inclined-plane.Picking in flat board
Single bacterium colony dislocation is cultivated on inclined-plane.Inclined-plane is placed in electro-heating standing-temperature cultivator, 30 DEG C culture 24 hours after observe culture
Result.
(3) shaken cultivation: sent in fluid medium with strain one ring on inoculating loop picking slant medium, make ring exist
Liquid surface is contacted with tube wall and is lightly ground, and strain in ring is all washed in fluid medium.Test tube is gently clashed into palm
Make to be uniformly distributed in thalline liquid medium within.It is positioned in shaken cultivation case, cultivate 48 under conditions of 37 DEG C, 160r/min
Hour.
2nd, the domestication of engineering bacteria
Each bacterial strain is tamed using the method being stepped up pharmacy waste water concentration, improve microorganism to the tolerance of waste water and
The ability of its degrading waste water.Will be enlarged by cultured microorganism to be uniformly mixed in waste water water sample together with fluid medium, waste water
The concentration of water sample is followed successively by and dilutes 1000 times, 500 times, 250 times, 100 times, 50 times, 5 times and raw water.
3rd, the fixation of engineering bacteria
The waste water water sample containing microorganism for the mix homogeneously is carried out with aeration, water outlet accesses biological activity charcoal post, water outlet is returned
Stream two hours, stops a hour, flows back five times altogether.Through biological activated carbon physical absorption fixation of microbe, can put into after stablizing
Experiment runs.
103rd, the immobilized biological activated carbon fiber treatment of pharmacy waste water
Water outlet after aeration enters immobilized biological activated carbon fiber, studies the different time of staying, charcoal post highly to water
In body, the impact of turbidity and COD cod removal effect, determines optimum reaction condition.Result is as shown in table 5 and table 6.By
Understand in table that most optimal retention time and optimal carbon pillar height degree are respectively 30min and 20cm.
Table 5 time of staying is to the impact to turbidity and cod clearance
Table 6 charcoal post is highly to the impact to turbidity and cod clearance
Under the optimum reaction condition that above-described embodiment draws, the steady statue of test immobilized biological activated carbon fiber,
Result is as shown in Figures 3 to 6.Biological activated carbon fiber post can reach steady statue after running 8 days as can be seen from Figure.
After stable operation, the clearance average out to 45.4% of COD cod, turbidity average removal rate after coagulation
For 83.7%；It is 62.7% through the COD cod average removal rate of sand filtration, turbidity average removal rate is 95.3%；Warp
The COD cod average removal rate crossing bio-active carbon fibre post is 75%, and turbidity average removal rate is 97.9%；
Aperiodically the biofacies in biological activated carbon fiber post are observed during test, to understand life at any time
The operation conditions of thing NACF post.After biological activated carbon fiber post biofilm formation is stable, its biofacies is seen
Survey.Biophasic observation adopts 10 × 10 low power optical microscopes.Before observation, first carbon sample in post is taken out and be placed in beaker, with less
Permitted distilled water flushing, then stirred, finally take out water sample and be observed.Observed in microscopy tired branch worm, campanularian, roaming worm,
The protozoacidies such as nematicide and metazoa, in this explanation active carbon biomembrane, biology is compared relatively many, protozoacide and rear life
Animal is also the good mark of water quality.
Exemplary, a kind of method of immobilized biological activated carbon fiber treatment pharmacy waste water provided in an embodiment of the present invention
Flow chart can also as shown in Figure 2.
Method of the present invention has the advantages that floor space is little, small investment.By immobilized biological activated carbon fiber
Carry out pharmacy wastewater treatment, reduce pharmacy wastewater treatment expense, improve pharmacy wastewater treatment effect.
The above is only the present invention preferably specific embodiment.It should be pointed out that the common skill for the art
For art personnel, the present invention is not limited only to this, on the premise of without departing from technical solution of the present invention, can also make some improvement
And retouching, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of method of immobilized biological activated carbon fiber treatment pharmacy waste water is it is characterised in that methods described is conventional
A kind of immobilized biological activated carbon fiber treatment pharmacy waste water is adopted on pretreating process, methods described is carried out as follows:
(1) pretreatment of pharmacy waste water: take the pharmacy waste water of 500～1000ml, sequentially pass through coagulation, sand filtration and intermediate pool and expose
Gas, with the clearance of turbidity and COD cod as index；Coagulant wherein needed for the coagulation stage is aluminum sulfate and poly- third
Acrylamide, its dosage is respectively 3.6～5.6ml/l and 0.6～2.0ml/l, and the filtrate in sand filtration pretreatment is quartz sand, filter
Speed and filter height are respectively 15～60ml/min and 15～35cm；
(2) preparation of immobilized biological activated carbon fiber: by the culture of engineering bacteria, domestication and fixation, prepare immobilization biological
NACF；
(3) the immobilized biological activated carbon fiber treatment of pharmacy waste water: it is fine that the water outlet after aeration enters immobilized biological activated carbon
Dimension, with the clearance of turbidity and COD cod as index；Wherein the time of staying and charcoal post are highly respectively 15～45min
With 15～25cm.
2. method according to claim 1 it is characterised in that in described step (1) pharmacy waste water turbidity scope 60～
275, unit ntu of described pharmacy waste water turbidity, COD cod scope 804～5400, described COD cod
Unit mg/l.
3. method according to claim 1 is it is characterised in that the aluminum sulfate coagulant in described step (1) and polypropylene
The dosage of amide is respectively 4.4ml/l and 1.0ml/l.
4. method according to claim 1 is it is characterised in that the filtering velocity in described step (1) and filter height are respectively
30ml/min and 25cm.
5. method according to claim 1 is it is characterised in that the culture of engineering bacteria in described step (2) is by a ring
Bacteria suspension observes cultivation results after cultivating 24 hours through flat board at 30 DEG C, and selection advantage strain is pseudomonass, pod membrane bacterium, bar
Bacterium and coccus；Then in flat board, picking single bacterium colony dislocation is 30 DEG C on the inclined-plane, culture observed cultivation results after 24 hours；
Finally use strain one ring on inoculating loop picking slant medium to send in fluid medium, make in thalline liquid medium within all
Even distribution, carries out shaken cultivation and cultivates 48 hours under conditions of 37 DEG C, 160r/min.
6. method according to claim 1 it is characterised in that the domestication of engineering bacteria in described step (2) be using by
Step increases the method for pharmacy waste water concentration to tame each bacterial strain, improves the energy of the tolerance to waste water for the microorganism and its degrading waste water
Power.
7. method according to claim 1 is it is characterised in that the fixation of engineering bacteria in described step (2) is to mixing
The uniform waste water water sample containing microorganism carries out aeration, and water outlet accesses biological activity charcoal post, effluent recycling two hours, stops one
Hour, flow back five times altogether.
8. method according to claim 1 is it is characterised in that in described step (3) time of staying and charcoal post be highly respectively
For 30min and 20cm.
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| CN105217777A (en) * | 2015-11-05 | 2016-01-06 | 江苏天伦活性炭有限公司 | A kind of water treatment biological activated carbon preparation technology flow process |
| CN107058281A (en) * | 2016-12-20 | 2017-08-18 | 广东韩研活性炭制造有限公司 | A kind of biological activated carbon and preparation method thereof for the COD of sewage that is used to degrading |
| CN111995171A (en) * | 2020-07-10 | 2020-11-27 | 广西夏阳环保科技有限公司 | Composite treatment agent for medical wastewater and treatment method thereof |
| CN113526722A (en) * | 2021-06-29 | 2021-10-22 | 上海化工研究院有限公司 | Penicillin production wastewater treatment method based on activated carbon fiber adsorption |
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| CN1433976A (en) * | 2002-01-25 | 2003-08-06 | 中国石油天然气股份有限公司 | Process for regenerating and treating refining sewage |
| CN101734821A (en) * | 2008-11-24 | 2010-06-16 | 中国石油天然气股份有限公司 | Method for treating atrazine-containing pesticide wastewater |
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| CN1433976A (en) * | 2002-01-25 | 2003-08-06 | 中国石油天然气股份有限公司 | Process for regenerating and treating refining sewage |
| CN101734821A (en) * | 2008-11-24 | 2010-06-16 | 中国石油天然气股份有限公司 | Method for treating atrazine-containing pesticide wastewater |
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| 固定化生物活性炭处理炼油废水;丛俏等;《石油炼制与化工》;20100212;第41卷(第2期);第73页摘要，第73-75页第1-4节，第74页图2，第75页图4 * |
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