CN105330057A - Method for removing residual high-concentration tetracycline in pharmaceutical wastewater - Google Patents
Method for removing residual high-concentration tetracycline in pharmaceutical wastewater Download PDFInfo
- Publication number
- CN105330057A CN105330057A CN201510718036.8A CN201510718036A CN105330057A CN 105330057 A CN105330057 A CN 105330057A CN 201510718036 A CN201510718036 A CN 201510718036A CN 105330057 A CN105330057 A CN 105330057A
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- waste water
- tsiklomitsin
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- tetracycline
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
- C02F2103/343—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the pharmaceutical industry, e.g. containing antibiotics
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a method for removing residual high-concentration tetracycline in pharmaceutical wastewater. The method includes the steps that firstly, aluminium polychlorid and polymeric ferric sulfate are added to the pharmaceutical wastewater with residual tetracycline being 400-600 mg/kg in concentration according to the mass ratio of wastewater, namely 0.3-0.4%, stirring is conducted for 2-4 minutes at a room temperature, then a flocculation reaction is conducted for 30-50 minutes at the rotating speed of 40-60 r/min, then sedimentation is conducted for 30-60 minutes, and solid-liquid phase separation is conducted; by mass, 0.5-1% of copper-bearing montmorillonite is added to the obtained liquid, an adsorption reaction is conducted for 25-40 minutes at a room temperature, and then solid separation is conducted for 30-50 minutes after sedimentation. It is detected that the removal rate of the tetracycline in the wastewater reaches 96-98%. The method is novel and unique, simple and convenient to operate, low in cost of adopted raw materials and applicable to high-concentration tetracycline remaining in the pharmaceutical wastewater obtained after industrialized treatment.
Description
Technical field
The present invention relates to sewage disposal control engineering field, be specifically related to a kind of method removing residual high density tsiklomitsin in pharmacy waste water.
Background technology
Along with antibiotic a large amount of production with widely use, antibiotic environmental risk has caused the very big concern of people.In the waters in the many places of China, all detect residual microbiotic in recent years, and its kind and content are also in the trend increased and raise.Research shows, Environmental Residues microbiotic mainly comes from animal excrements, hospital waste, pharmacy corporation waste water and dregs etc.
Tetracycline antibiotics is the antibacterials that current world usage quantity is in second, and therefore they also become one of several microbiotic that in environment, recall rate is the highest.The waste water produced in fermentative Production tsiklomitsin process, because of the residual tsiklomitsin do not extracted, the more important thing is, the residual tetracycline concentration of institute is higher.And the microorganism of high density tsiklomitsin to wastewater biochemical process has very strong suppression and killing action.Therefore, before tetracycline wastewater enters biochemical treatment system, first need to eliminate its high density tsiklomitsin that remains.
In recent years, traditional aerobic, anaerobism or the method that the two combines, all be difficult to tsiklomitsin in biological degradation waste water, after having scholar to adopt the method for flocculation to carry out pre-treatment to waste water, carry out bio-oxidation process again, but limited for the treatment effect of high density tetracycline wastewater; Also scholar is had to adopt the materials such as soil, gac, biomass charcoal, clay mineral class to adsorb tsiklomitsin, but in actual mechanical process, only adsorb for the tetracycline of single low, middle concentration, be not added in the tetracycline wastewater of high density and process.Therefore, develop the method for residual high density tsiklomitsin in a kind of efficient, economic, simple removal pharmacy waste water, the Sustainable development of relevant enterprise and environment protection are had important practical significance.
Summary of the invention
The clearance existed for the method for wastewater treatment at present containing high density tsiklomitsin is low, cost is high, complicated operation, easily bring the shortcomings such as secondary pollution, the invention provides a kind of method removing residual high density tsiklomitsin in pharmacy waste water, the method is good, easy and simple to handle to the removal effect of tsiklomitsin in waste water, cost is lower, effect stability, is easy to enterprise's commercial application.
For achieving the above object, the technical scheme that the present invention takes is:
Remove a method for residual high density tsiklomitsin in pharmacy waste water, comprise the steps:
S1, polymerize aluminum chloride and bodied ferric sulfate are joined in the pharmacy waste water remaining 400 ~ 600mg/kg tsiklomitsin by the amount of wastewater quality per-cent 0.3 ~ 0.4% respectively;
S2, the waste water of step S1 gained is stirred 2 ~ 4min under normal temperature, 150 ~ 300r/min rotating speed after, flocculation reaction 30 ~ 50min under 40 ~ 60r/min rotating speed, then sedimentation 30 ~ 60min;
S3, the solidliquid mixture of step S2 gained to be dropped in solid-liquid separating equipment, carry out solid-liquid two-phase laminated flow;
S4, the liquid of step S3 gained is added copper-loaded montmorillonite by the amount of its mass percent 0.5 ~ 1%, under normal temperature, 40 ~ 60r/min condition, after absorption reaction 25 ~ 40min, sedimentation 30 ~ 50min;
S5, the solidliquid mixture after the absorption of step S4 gained to be dropped in solid-liquid separating equipment, carry out solid separation.In waste water, the clearance of tsiklomitsin reaches 96 ~ 98% after testing.
Wherein, in described step S1, the ratio that adds of polymerize aluminum chloride and bodied ferric sulfate is 1: 1, adds 3 ~ 4g polymerize aluminum chloride and bodied ferric sulfate respectively in per kilogram pharmacy waste water.
Wherein, described copper-loaded montmorillonite is obtained by following methods:
In the suspension liquid of 100g ca-montmorillonite, add 18g Salzburg vitriol, 50 DEG C, under 150r/min condition, after constant temperature oscillation 8h, by water filtering and washing 3 ~ 5 times, dry 12h at 105 DEG C, pulverizes and crosses 200 mesh sieves, to obtain final product.
The present invention has following beneficial effect:
Can in pharmacy waste water the high density Fourth Ring that remains have good clearance, its method is novel, easy, and cost is lower, effect stability, and all applicable to the residual high density tetracycline wastewater produced in any production tsiklomitsin technological process.After testing, through the inventive method process containing 400 ~ 600mg/kg high density tetracycline wastewater, tsiklomitsin clearance reaches 96 ~ 98%.
Embodiment
In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In the embodiment of the present invention, copper-loaded montmorillonite preparation method is: in the suspension liquid of 100g ca-montmorillonite, add 18g Salzburg vitriol, 50 DEG C, under 150r/min condition, after constant temperature oscillation 8h, by water filtering and washing 3 ~ 5 times, dry 12h at 105 DEG C, pulverize and cross 200 mesh sieves, to obtain final product.
Embodiment 1
Get the tetracycline wastewater that tsiklomitsin manufacturing enterprise produces, after measured, its pH is 4.8, and tsiklomitsin content is 425mg/kg.Its treating processes is: the waste water getting residual 425mg/kg tsiklomitsin, and the amount being respectively 0.32% by wastewater quality per-cent adds polymerize aluminum chloride and bodied ferric sulfate.Under normal temperature, 150r/min rotating speed, stir 4min, flocculation reaction 50min under 40r/min rotating speed, then sedimentation 40min afterwards, make the non-solubility materials such as the suspended substance in waste water, colloid, throw out generate the good floss of dehydration property.Afterwards reacted suspension liquid is put in solid-liquid separating equipment, remove solid part.The amount being 0.6% by its mass percent in liquid after separate solid adds copper-loaded montmorillonite, absorption reaction 40min under normal temperature, 40r/min condition, then sedimentation 35min.Solidliquid mixture after absorption is carried out solid-liquid separation.After separate solid, in waste water, the clearance of tsiklomitsin is 98% after testing.
Embodiment 2
Get the tetracycline wastewater that tsiklomitsin manufacturing enterprise produces, after measured, its pH is 4.8, and tsiklomitsin content is 462mg/kg.Its treating processes is: the waste water getting residual 462mg/kg tsiklomitsin, and the amount being respectively 0.35% by wastewater quality per-cent adds polymerize aluminum chloride and bodied ferric sulfate.Under normal temperature, 200r/min rotating speed, stir 3min, flocculation reaction 40min under 50r/min rotating speed, then sedimentation 50min afterwards, make the non-solubility materials such as the suspended substance in waste water, colloid, throw out generate the good floss of dehydration property.Afterwards reacted suspension liquid is put in solid-liquid separating equipment, remove solid part.The amount being 0.7% by its mass percent in liquid after separate solid adds copper-loaded montmorillonite, absorption reaction 30min under normal temperature, 50r/min condition, then sedimentation 40min.Solidliquid mixture after absorption is carried out solid-liquid separation.After separate solid, in waste water, the clearance of tsiklomitsin is 97% after testing.
Embodiment 3
Get the tetracycline wastewater that tsiklomitsin manufacturing enterprise produces, after measured, its pH is 4.8, and tsiklomitsin content is 570mg/kg.Its treating processes is: the waste water getting residual 570mg/kg tsiklomitsin, and the amount being respectively 0.4% by wastewater quality per-cent adds polymerize aluminum chloride and bodied ferric sulfate.Under normal temperature, 300r/min rotating speed, stir 2min, flocculation reaction 30min under 60r/min rotating speed, then sedimentation 60min afterwards, make the non-solubility materials such as the suspended substance in waste water, colloid, throw out generate the good floss of dehydration property.Afterwards reacted suspension liquid is put in solid-liquid separating equipment, remove solid part.The amount being 1% by its mass percent in liquid after separate solid adds copper-loaded montmorillonite, absorption reaction 25min under normal temperature, 60r/min condition, then sedimentation 50min.Solidliquid mixture after absorption is carried out solid-liquid separation.After separate solid, in waste water, the clearance of tsiklomitsin is 96% after testing.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. remove a method for residual high density tsiklomitsin in pharmacy waste water, it is characterized in that, comprise the steps:
S1, polymerize aluminum chloride and bodied ferric sulfate are joined in the pharmacy waste water remaining 400 ~ 600mg/kg tsiklomitsin by the amount of wastewater quality per-cent 0.3 ~ 0.4% respectively;
S2, the waste water of step S1 gained is stirred 2 ~ 4min under normal temperature, 150 ~ 300r/min rotating speed after, flocculation reaction 30 ~ 50min under 40 ~ 60r/min rotating speed, then sedimentation 30 ~ 60min;
S3, the solidliquid mixture of step S2 gained to be dropped in solid-liquid separating equipment, carry out solid-liquid two-phase laminated flow;
S4, the liquid of step S3 gained is added copper-loaded montmorillonite by the amount of its mass percent 0.5 ~ 1%, under normal temperature, 40 ~ 60r/min condition, after absorption reaction 25 ~ 40min, sedimentation 30 ~ 50min;
S5, the solidliquid mixture after the absorption of step S4 gained to be dropped in solid-liquid separating equipment, carry out solid separation.
2. a kind of method removing residual high density tsiklomitsin in pharmacy waste water according to claim 1, it is characterized in that, in described step S1, the ratio that adds of polymerize aluminum chloride and bodied ferric sulfate is 1: 1, adds 3 ~ 4g polymerize aluminum chloride and bodied ferric sulfate respectively in per kilogram pharmacy waste water.
3. a kind of method removing residual high density tsiklomitsin in pharmacy waste water according to claim 1, it is characterized in that, described copper-loaded montmorillonite is obtained by following methods:
In the suspension liquid of 100g ca-montmorillonite, add 18g Salzburg vitriol, 50 DEG C, under 150r/min condition, after constant temperature oscillation 8h, by water filtering and washing 3 ~ 5 times, dry 12h at 105 DEG C, pulverizes and crosses 200 mesh sieves, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510718036.8A CN105330057A (en) | 2015-10-23 | 2015-10-23 | Method for removing residual high-concentration tetracycline in pharmaceutical wastewater |
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| CN201510718036.8A CN105330057A (en) | 2015-10-23 | 2015-10-23 | Method for removing residual high-concentration tetracycline in pharmaceutical wastewater |
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| CN105330057A true CN105330057A (en) | 2016-02-17 |
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| CN201510718036.8A Pending CN105330057A (en) | 2015-10-23 | 2015-10-23 | Method for removing residual high-concentration tetracycline in pharmaceutical wastewater |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107459114A (en) * | 2017-09-25 | 2017-12-12 | 吉林大学 | A kind of method of pecan shell electric flocculation coupling processing Tetracyclines simulated wastewater |
| CN107792911A (en) * | 2017-11-03 | 2018-03-13 | 宁夏大学 | A kind of method for going in water removal to remain tetracycline using absorption method |
| CN108262018A (en) * | 2018-01-25 | 2018-07-10 | 宁夏大学 | A kind of method of tetracycline in two-dimensional slice structure Adsorption water using foliaceous |
| CN108993390A (en) * | 2018-08-10 | 2018-12-14 | 宁夏大学 | A method of utilizing residual tetracycline in pharmacy waste water after ZnO support type expanded graphite removal flocculation treatment |
| CN108993389A (en) * | 2018-08-10 | 2018-12-14 | 宁夏大学 | It is a kind of to utilize MnO2The method of tetracycline is remained after the removal flocculation of support type graphene in pharmacy waste water |
| CN113044940A (en) * | 2021-03-10 | 2021-06-29 | 中国药科大学 | Method for treating tetracycline-containing wastewater |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107459114A (en) * | 2017-09-25 | 2017-12-12 | 吉林大学 | A kind of method of pecan shell electric flocculation coupling processing Tetracyclines simulated wastewater |
| CN107792911A (en) * | 2017-11-03 | 2018-03-13 | 宁夏大学 | A kind of method for going in water removal to remain tetracycline using absorption method |
| CN108262018A (en) * | 2018-01-25 | 2018-07-10 | 宁夏大学 | A kind of method of tetracycline in two-dimensional slice structure Adsorption water using foliaceous |
| CN108993390A (en) * | 2018-08-10 | 2018-12-14 | 宁夏大学 | A method of utilizing residual tetracycline in pharmacy waste water after ZnO support type expanded graphite removal flocculation treatment |
| CN108993389A (en) * | 2018-08-10 | 2018-12-14 | 宁夏大学 | It is a kind of to utilize MnO2The method of tetracycline is remained after the removal flocculation of support type graphene in pharmacy waste water |
| CN108993390B (en) * | 2018-08-10 | 2021-10-22 | 宁夏大学 | Method for removing residual tetracycline in pharmaceutical wastewater after flocculation treatment by using ZnO-loaded expanded graphite |
| CN113044940A (en) * | 2021-03-10 | 2021-06-29 | 中国药科大学 | Method for treating tetracycline-containing wastewater |
| CN113044940B (en) * | 2021-03-10 | 2023-06-20 | 中国药科大学 | Method for treating tetracycline-containing wastewater |
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Application publication date: 20160217 |
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