CN105036473A - Pharmacy sewage treatment method - Google Patents
Pharmacy sewage treatment method Download PDFInfo
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- CN105036473A CN105036473A CN201510472686.9A CN201510472686A CN105036473A CN 105036473 A CN105036473 A CN 105036473A CN 201510472686 A CN201510472686 A CN 201510472686A CN 105036473 A CN105036473 A CN 105036473A
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Abstract
The invention discloses a pharmacy sewage treatment method. According to the technical scheme, the method comprises chemical precipitation and adsorption. According to the pharmacy sewage treatment method, a chemical method, a biological method and a physical method are combined, organic matter pollutants, antibiotics and drug residues in sewage are effectively removed, harm to human bodies and environment is lowered to the maximum extent, the removal rate is high, and the cost is low; reeds and cyperus alternifolius are planted in an artificial wetland pool, and therefore not only can the pollutants be removed, but also the environment is beautified and air is purified; Angel saccharomyces cerevisiae can perform fermentation with sugar in the sewage to degrade organic matter, a function of adsorbing toxic substances can be achieved after thalli are inactivated, waste materials are changed into things of value, the fermentation waste thalli are fully utilized, and the cost is saved; after being adsorbed by macroporous resin, the toxic substances can be recovered and treated, and the resin can be recycled; secondary pollution cannot be generated, the cost is low, the effect is significant, and the sustainable development concept is achieved.
Description
Technical field
The present invention relates to a kind of sewage water treatment method, particularly relate to a kind of pharmacy sewage treatment process.
Background technology
Along with the development of pharmaceutical industry, pharmacy sewage has become one of serious source of pollution.Pharmaceutical industry waste water mainly comprises four kinds: antibiotic industrial sewage; Synthetic drugs production waste; Chinese patent medicine production waste; The washing water of all kinds of formulation manufacturing processes and flushing sewage.Because types of drugs is various, in medicine production process, need use plurality of raw materials, production technique is more complicated again, and thus sewage composition is also very complicated.Put into effect in conjunction with national policies such as energy-saving and emission-reduction, pharmacy sewage comprehensive regulation day is aobvious outstanding, should strengthen the improvement to this type of sewage, thus reduces the harm to water surrounding and the mankind.
Pharmaceutical industry sewage mainly contains antibiotics sewage, Chinese medicine sewage and chemical pharmacy sewage.The sewage pollution substrate concentration that production of antibiotics process produces is high, the water yield is large, composition contained by sewage is mainly fermentation residues, emulsion splitter and residual antibiotic and tires and degradation product, also has various organic solvent residual in microbiotic leaching process and some inorganic salt etc.Its waste water complicated, functional leaves are out of proportion, and containing a large amount of vitriol, waste water is with heavier color and smell, suspension content is high, easily produces foam, containing hard-degraded substance and the microbiotic having bacteriostatic action, and toxic etc., this kind of waste water bio-refractory.The water quality characteristics of Chinese medicine sewage is containing gas chromatographies such as carbohydrate, glycoside, organic pigment class, anthraquinone, phlobaphinite, alkaloid, Mierocrystalline cellulose, xylogen; Sewage SS is high, containing silt and the dregs of a decoction many, also containing a large amount of floating matter; COD change in concentration is large; Colourity is high, at about 500 times; Water temperature 25 ~ 60 DEG C.Chemical pharmacy sewage composition is complicated, except containing except antibiotic residues, production of antibiotics intermediate, unreacted raw material, also containing the organic solvent used in a small amount of building-up process.COD concentration is large, generally between 4000 ~ 4500mg/L.
Summary of the invention
The object of the invention is to solve the problem, providing a kind of pharmacy sewage treatment process.
A kind of pharmacy sewage treatment process, technical scheme comprises the following steps:
(1) through 4 order stainless steel filter screen, sewage is concentrated in collecting tank, regulates pH to 6 ~ 8, irradiate by UV-light, irradiation dose 30 ~ 40mJ/cm
2, each irradiation 5 minutes, stops 15 minutes, adds the ozone that concentration is 10 ~ 15mg/L, process 20 minutes;
(2) sewage flow to settling tank through 10 order stainless steel filter screen, adjusts pH to 9 ~ 11, add the aluminium iron polychloride of 80 ~ 85mg/L, stir with lime, leaves standstill 30 ~ 40 minutes, through 80 order stainless steel filter screen;
(3) effluent stream after filtering, to microorganism pond, is adjusted pH to 3 ~ 5 with citric acid, is fermented 10 ~ 12 hours, flows out through 100 order stainless steel filter screen;
(4) by fermentation after sewage discharge to methane-generating pit, regulate pH to 6 ~ 8, carry out anaerobically fermenting, through 100 order stainless steel filter screen flow out;
(5) sewage after filtering flows into artificial swamp pond, plants reed and cyperus alternifolius in pond, every square metre of plantation 8 ~ 10 strains, and sewage flows out through 100 order stainless steel filter screen;
(6) sewage flowed out enters adsorption tank, after macroporous resin adsorption 3 ~ 4 hours, and via hole diameter is that the non-woven fabrics of 10 microns filters.
Be Angel yeast saccharomyces cerevisiae after activation in the microorganism pond of described step 3), inoculum size is 5% ~ 6%.
Beneficial effect of the present invention is: pharmacy sewage treatment process provided by the invention, combine with chemical method, biological process and Physical, effectively remove organic pollutant, microbiotic and the dregs of a decoction in sewage, reduce the harm to human body and environment to greatest extent, clearance is high, and cost is low; Plant reed and cyperus alternifolius in artificial swamp pond, can not only pollutent be removed, can also beautify the environment, purify air; Angel yeast saccharomyces cerevisiae can utilize the sugar in sewage to ferment, degradation of organic substances, can play the effect of absorption toxic substance, turn waste into wealth, make full use of fermentation fungi body after thalline inactivation, cost-saving; After macroporous resin adsorption toxic substance, toxic substance can be recycled, resin can recycle; The present invention can not produce secondary pollution, and cost is low, Be very effective, realizes sustainable development and sees.
Embodiment
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification sheets, as long as but be all subject to the protection of patent law in right of the present invention.
Embodiment 1
A kind of pharmacy sewage treatment process, technical scheme comprises the following steps:
(1) through 4 order stainless steel filter screen, sewage is concentrated in collecting tank, regulates pH to 6, irradiate by UV-light, irradiation dose 30mJ/cm
2, each irradiation 5 minutes, stops 15 minutes, adds the ozone that concentration is 10mg/L, process 20 minutes;
(2) sewage flow to settling tank through 10 order stainless steel filter screen, adjusts pH to 9, add the aluminium iron polychloride of 80mg/L, stir with lime, leaves standstill 30 minutes, through 80 order stainless steel filter screen;
(3) effluent stream after filtering, to microorganism pond, is adjusted pH to 3 with citric acid, is fermented 10 hours, flows out through 100 order stainless steel filter screen, and be Angel yeast saccharomyces cerevisiae after activation in microorganism pond, inoculum size is 5%;
(4) by fermentation after sewage discharge to methane-generating pit, regulate pH to 6, carry out anaerobically fermenting, through 100 order stainless steel filter screen flow out;
(5) sewage after filtering flows into artificial swamp pond, plants reed and cyperus alternifolius in pond, every square metre of plantation 8 strains, and sewage flows out through 100 order stainless steel filter screen;
(6) sewage flowed out enters adsorption tank, after macroporous resin adsorption 3 hours, and via hole diameter is that the non-woven fabrics of 10 microns filters.
Embodiment 2
A kind of pharmacy sewage treatment process, technical scheme comprises the following steps:
(1) through 4 order stainless steel filter screen, sewage is concentrated in collecting tank, regulates pH to 7, irradiate by UV-light, irradiation dose 35mJ/cm
2, each irradiation 5 minutes, stops 15 minutes, adds the ozone that concentration is 13mg/L, process 20 minutes;
(2) sewage flow to settling tank through 10 order stainless steel filter screen, adjusts pH to 10, add the aluminium iron polychloride of 83mg/L, stir with lime, leaves standstill 35 minutes, through 80 order stainless steel filter screen;
(3) effluent stream after filtering, to microorganism pond, is adjusted pH to 4 with citric acid, is fermented 11 hours, flows out through 100 order stainless steel filter screen, and be Angel yeast saccharomyces cerevisiae after activation in microorganism pond, inoculum size is 5.5%;
(4) by fermentation after sewage discharge to methane-generating pit, regulate pH to 7, carry out anaerobically fermenting, through 100 order stainless steel filter screen flow out;
(5) sewage after filtering flows into artificial swamp pond, plants reed and cyperus alternifolius in pond, every square metre of plantation 9 strains, and sewage flows out through 100 order stainless steel filter screen;
(6) sewage flowed out enters adsorption tank, after macroporous resin adsorption 3.5 hours, and via hole diameter is that the non-woven fabrics of 10 microns filters.
Embodiment 3
A kind of pharmacy sewage treatment process, technical scheme comprises the following steps:
(1) through 4 order stainless steel filter screen, sewage is concentrated in collecting tank, regulates pH to 8, irradiate by UV-light, irradiation dose 40mJ/cm
2, each irradiation 5 minutes, stops 15 minutes, adds the ozone that concentration is 15mg/L, process 20 minutes;
(2) sewage flow to settling tank through 10 order stainless steel filter screen, adjusts pH to 11, add the aluminium iron polychloride of 85mg/L, stir with lime, leaves standstill 40 minutes, through 80 order stainless steel filter screen;
(3) effluent stream after filtering, to microorganism pond, is adjusted pH to 5 with citric acid, is fermented 12 hours, flows out through 100 order stainless steel filter screen, and be Angel yeast saccharomyces cerevisiae after activation in microorganism pond, inoculum size is 6%;
(4) by fermentation after sewage discharge to methane-generating pit, regulate pH to 8, carry out anaerobically fermenting, through 100 order stainless steel filter screen flow out;
(5) sewage after filtering flows into artificial swamp pond, plants reed and cyperus alternifolius in pond, every square metre of plantation 10 strains, and sewage flows out through 100 order stainless steel filter screen;
(6) sewage flowed out enters adsorption tank, after macroporous resin adsorption 4 hours, and via hole diameter is that the non-woven fabrics of 10 microns filters.
Adopt potassium dichromate process to measure COD, dilution inoculation method measures BOD
5, spectrophotometry colourity, weighting method surveys SS, and glass electrode method surveys pH.Table 1 is the disposition of the pharmacy sewage of embodiment.
The pharmacy sewage disposition of table 1 embodiment
| Project | COD/mg/L | BOD 5/mg/L | pH | Colourity | SS/mg/L |
| Former water | 5500 | 580 | — | 480 | 530 |
| Embodiment 1 | 65 | 22 | 6 | 33 | 45 |
| Embodiment 2 | 62 | 20 | 7 | 31 | 46 |
| Embodiment 3 | 60 | 20 | 8 | 31 | 45 |
Note: "-" represents that fluctuation is large.
As can be seen from the data of table 1, after pharmacy sewage processes by the treatment process of pharmacy sewage provided by the invention, COD(chemical oxygen demand (COD) in embodiment), BOD
5(biochemical oxygen demand (BOD)), pH, colourity and SS(suspended solids) content be all significantly less than former water, load in mixture pharmacy class waste water substantially up to standard, fermentation class, chemosynthesis class, Chinese medicine class, extraction class and biotechnology class all meet " pharmaceutical industry pollution discharge standard ", illustrate that pharmacy sewage treatment process provided by the invention is feasible, effectively.
Claims (2)
1. a pharmacy sewage treatment process, is characterized in that, technical scheme comprises the following steps:
(1) through 4 order stainless steel filter screen, sewage is concentrated in collecting tank, regulates pH to 6 ~ 8, irradiate by UV-light, irradiation dose 30 ~ 40mJ/cm
2, each irradiation 5 minutes, stops 15 minutes, adds the ozone that concentration is 10 ~ 15mg/L, process 20 minutes;
(2) sewage flow to settling tank through 10 order stainless steel filter screen, adjusts pH to 9 ~ 11, add the aluminium iron polychloride of 80 ~ 85mg/L, stir with lime, leaves standstill 30 ~ 40 minutes, through 80 order stainless steel filter screen;
(3) effluent stream after filtering, to microorganism pond, is adjusted pH to 3 ~ 5 with citric acid, is fermented 10 ~ 12 hours, flows out through 100 order stainless steel filter screen;
(4) by fermentation after sewage discharge to methane-generating pit, regulate pH to 6 ~ 8, carry out anaerobically fermenting, through 100 order stainless steel filter screen flow out;
(5) sewage after filtering flows into artificial swamp pond, plants reed and cyperus alternifolius in pond, every square metre of plantation 8 ~ 10 strains, and sewage flows out through 100 order stainless steel filter screen;
(6) sewage flowed out enters adsorption tank, after macroporous resin adsorption 3 ~ 4 hours, and via hole diameter is that the non-woven fabrics of 10 microns filters.
2. a kind of pharmacy sewage treatment process as claimed in claim 1, is characterized in that, be Angel yeast saccharomyces cerevisiae after activation in the microorganism pond of described step 3), inoculum size is 5% ~ 6%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510472686.9A CN105036473A (en) | 2015-08-05 | 2015-08-05 | Pharmacy sewage treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510472686.9A CN105036473A (en) | 2015-08-05 | 2015-08-05 | Pharmacy sewage treatment method |
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| CN105036473A true CN105036473A (en) | 2015-11-11 |
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| CN201510472686.9A Pending CN105036473A (en) | 2015-08-05 | 2015-08-05 | Pharmacy sewage treatment method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249705A (en) * | 2018-02-02 | 2018-07-06 | 回音必集团安徽制药有限公司 | A kind of new and effective pharmacy sewage processing method |
| CN108275838A (en) * | 2018-02-02 | 2018-07-13 | 回音必集团安徽制药有限公司 | A kind of pharmacy sewage treatment process |
| CN108275839A (en) * | 2018-02-02 | 2018-07-13 | 回音必集团安徽制药有限公司 | A kind of novel pharmacy sewage processing method |
| CN109879544A (en) * | 2019-03-26 | 2019-06-14 | 长沙如洋环保科技有限公司 | A kind of scenic spot domestic sewage processing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121702A (en) * | 1993-04-27 | 1996-05-01 | 沃尔特克斯公司 | Water purification unit |
| CN1772659A (en) * | 2005-10-09 | 2006-05-17 | 徐祖信 | Combined process of reinforced biochemical flocculation and artificial wet land treatment of sewage |
| CN102010066A (en) * | 2010-11-12 | 2011-04-13 | 张四海 | Method for purifying sewage in vertical-flow artificial wetland |
-
2015
- 2015-08-05 CN CN201510472686.9A patent/CN105036473A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1121702A (en) * | 1993-04-27 | 1996-05-01 | 沃尔特克斯公司 | Water purification unit |
| CN1772659A (en) * | 2005-10-09 | 2006-05-17 | 徐祖信 | Combined process of reinforced biochemical flocculation and artificial wet land treatment of sewage |
| CN102010066A (en) * | 2010-11-12 | 2011-04-13 | 张四海 | Method for purifying sewage in vertical-flow artificial wetland |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249705A (en) * | 2018-02-02 | 2018-07-06 | 回音必集团安徽制药有限公司 | A kind of new and effective pharmacy sewage processing method |
| CN108275838A (en) * | 2018-02-02 | 2018-07-13 | 回音必集团安徽制药有限公司 | A kind of pharmacy sewage treatment process |
| CN108275839A (en) * | 2018-02-02 | 2018-07-13 | 回音必集团安徽制药有限公司 | A kind of novel pharmacy sewage processing method |
| CN109879544A (en) * | 2019-03-26 | 2019-06-14 | 长沙如洋环保科技有限公司 | A kind of scenic spot domestic sewage processing method |
| CN109879544B (en) * | 2019-03-26 | 2022-03-08 | 长沙如洋环保科技有限公司 | Scenic spot domestic sewage treatment method |
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Application publication date: 20151111 |