CN108178273A - Utilize the method for Recalcitrant chemicals in bamboo scraps pretreatment exhaust gas removal water body - Google Patents
Utilize the method for Recalcitrant chemicals in bamboo scraps pretreatment exhaust gas removal water body Download PDFInfo
- Publication number
- CN108178273A CN108178273A CN201810098050.6A CN201810098050A CN108178273A CN 108178273 A CN108178273 A CN 108178273A CN 201810098050 A CN201810098050 A CN 201810098050A CN 108178273 A CN108178273 A CN 108178273A
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- pretreatment
- water body
- recalcitrant chemicals
- reaction
- exhaust gas
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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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
-
- 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
- C02F2101/34—Organic compounds containing oxygen
-
- 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
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
-
- 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
- C02F2101/36—Organic compounds containing halogen
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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)
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The present invention provides a kind of method of Recalcitrant chemicals in pretreatment exhaust gas removal water body using bamboo scraps, this method is：It collects column bits pretreatment and produces exhaust gas, be passed through equipped in the closed container in water body Recalcitrant chemicals waste liquid, degradation reaction is carried out in 50~80 DEG C.The present invention has outstanding removal effect for common water body Recalcitrant chemicals, overcome the shortcomings that prior art needs complex device, avoid the drawbacks of existing solid base treatment technology needs to carry out special modification to raw material, realize the efficient degradation effect to water pollutant difficult to degrade, truly realize " with it is useless directly control it is useless " technical purpose, realize bio-ethanol and prepare and the combination of two industries of wastewater treatment.
Description
Technical field
The invention belongs to technical field of waste water processing, and in particular to difficult in a kind of pretreatment exhaust gas removal water body using bamboo scraps
The method of degradation of contaminant.
Background technology
China is traditional textile big country, and in recent years, with the proposition required structural transformation of the economy, textile fabric production is discarded
The improvement of object treatment technology will increasingly be taken seriously.Dyestuff is one of main pollutant in textile fabric production process,
Complicated component is a kind of waste water difficult to deal with mostly with bio-toxicity and refractory organics.
At this stage, it is absorption method, membrane separation process, Ozonation and photocatalytic method to the conventional method of the processing of pollution.
But, at present to the pollutant of refractory organics (such as perfluorooctane sulfonate sylvite, bisphenol-A, Atrazine and tetracycline)
Water technology be not mature enough, when handling this pollutant, generally require complicated technological means.
The Chinese patent that application publication number is 105668921 A of CN passes through electrochemical reaction, magnetic using complicated instrument
The joint of reinforcement technique and biodegradable three kinds of technologies, realizes the processing to refractory organics bisphenol-A.Application publication number is CN
The Chinese patent of 107459234 A provides a kind of three-dimensional-class electricity Fenton water treatment system for tetracycline.It is but above-mentioned special
Profit relies on its special equipment, is unfavorable for promoting and applying.
Application publication number is that the Chinese patent of 106334559 A of CN carries out on the basis of traditional Fenton catalyst
Improvement, improves the treatment effeciency for bisphenol-A
Authorization Notice No. provides a kind of processing method of waste water from dyestuff for the Chinese patent of 102659235 B of CN, passes through
The mode of multiphase Fenton catalysis oxidations solves the deficiency of common homogeneous Fenton oxidation, has significantly increased for organic waste
The efficiency of water process.Application publication number is that the Chinese patent of 107051388 A of CN is realized using modified active carbon fiber to four
The efficient removal of ring element.Application publication number is that the Chinese patent of CN 107376891 discloses tetracycline in a kind of processing waste water
The titania-doped catalyst of double rare earth works, realizes under visible light to the efficient degradation of tetracycline.But with other solid phases
The problem of inorganic agent is the same, and above-mentioned treatment technology faces reusability and fixed-end forces.
In conclusion there is treatment technology complexity either for the treatment technology of the water pollutant of refractory organics at present
It is carried out based on solid processing agent.There is scale, automation, the spy of equipment although relying on equipment and carrying out water process
Different property causes the popularization of technology that should not carry out.And although solid processing agent has the advantages that efficient and convenient, some solid processing agents
It can even realize and be made using scrap feed material, and there is " treatment of wastes with processes of wastes against one another ", but solid processing agent is subsequent solid
In useless processing, it is also faced with very important environmental issue.What is more important, existing " treatment of wastes with processes of wastes against one another " solid processing agent
Technology of preparing, the problem of being still faced with production cost, when so that it is used for refractory organics pollutant process in waste water, are faced with cost
Pressure.Therefore, develop a kind of direct waste generated with existing production activity carry out " with it is useless directly control it is useless " it is difficult to degrade to handle
Contact scar object is the subject of next stage primary study.
Invention content
In view of the shortcomings of the prior art, bamboo scraps pretreatment exhaust gas removal water body is utilized the purpose of the present invention is to provide a kind of
The method of middle Recalcitrant chemicals, this method comprises the following steps：It collects column bits pretreatment and produces exhaust gas, be passed through equipped with water body hardly possible
In closed container in degradation of contaminant waste liquid, degradation reaction is carried out in 50~80 DEG C；
Recalcitrant chemicals include perfluorooctane sulfonate sylvite, bisphenol-A, Atrazine or tetracycline in the water body；
The column considers the method pre-processed to be worth doing：
Column bits are put into reaction kettle, concentrated phosphoric acid-hydrogen peroxide mix reagent is added in and carries out pretreatment reaction, wherein, it is dense
The mass fraction of phosphoric acid is 55.0~70.0%, and the mass fraction of hydrogen peroxide is 3.0~10.0%.
The present inventor has carried out combining hydrogen peroxide using concentrated phosphoric acid in grant number is 103555774 B of CN
Preprocessing lignocellulose class raw material is used for the research of enzyme hydrolysis, and achieves outstanding technique effect.Enable inventor pleasantly surprised
Be, when inventor is using the method in the patent, using column bits for the raw material progress preprocessing process in the exhaust gas that generates be passed through
During waste water containing pollutant, Recalcitrant chemicals (perfluorooctane sulfonate sylvite, bisphenol-A, Atrazine or Fourth Ring in waste water are found
Element) fast degradation occurs.
Further, inventor is tested the palliating degradation degree of above-mentioned pollutant, finds above-mentioned Recalcitrant chemicals
Removal efficiency reached more than 80%, for bisphenol-A removal efficiency be even more reached 95.1%.It is that is, of the invention
For processing equipment of the removal effect of these pollutants better than existing general water pollutant difficult to degrade and solid sill.
Those skilled in the art open a kind of novel wastewater treatment mode it is found that the present invention is undoubtedly.For example, in agriculture
In field, fowl and livestock farm wastewater treatment, it can realize the pollutant in the pretreatment and waste water to pillar (such as poultry at one stroke
Tetracycline) efficient removal.In this example embodiment, the preparation without additional inorganic agent drastically reduces the place of water pollutant
Manage cost.
Although being obviously improved sugared conversion ratio in 103555774 B of CN, important tribute is made that for bio-ethanol industry
It offers.However, the technology in practical application, inevitably generate some exhaust gas, causes pollution to a certain extent.Therefore,
Meaning of the present invention also resides in, and solves the problems, such as the recycling of the exhaust gas in 103555774 B of CN.
At present, the present inventor still tests to gas componant therein, and probes into pollutant therein
Cutting mechanisms, while also carry out corresponding scale application improvement.
The w/v of the column bits and water body Recalcitrant chemicals waste liquid is 1:0.5~2.Unless otherwise instructed, originally
Signified w/v is g/mL or kg/L in invention.
As the preferred embodiment of the present invention, the w/v of the column bits and water body Recalcitrant chemicals waste liquid is
8:7.5
As the preferred embodiment of the present invention, the mass fraction of concentrated phosphoric acid is 60.0%, the mass fraction of hydrogen peroxide
It is 8.8%.
As the preferred embodiment of the present invention, when carrying out the degradation reaction, reaction temperature is 50 DEG C.Because at 50 DEG C
Under, the removal rate of pollutant is very outstanding, for the angle for saving reaction cost, carries out pollutant at such a temperature
Removal processing is both economical.
The degradation reaction is progress synchronous with the pretreatment, and what exhaust gas caused by pretreatment synchronized is passed through described close
It closes and degradation reaction is carried out in container, that is to say, that pretreatment time is the degradation reaction time.
In general, when carrying out column bits pretreatment, the time of the pretreatment reaction is 3~5h.
As the preferred embodiment of the present invention, when carrying out column bits pretreatment, the time of the pretreatment reaction is 4h.
Record according to embodiments of the present invention, treatment technology of the invention remove the pollutant of a concentration of 100ppm
Except excellent.Those skilled in the art are not difficult to know, on this basis, the present invention is also adapted for removing the pollution of other concentration
Object.
Beneficial effects of the present invention：
The present invention has outstanding removal effect for common water body Recalcitrant chemicals, overcomes prior art needs
The shortcomings that complex device, avoids the drawbacks of existing solid base treatment technology needs to carry out special modification to raw material, realizes
To the efficient degradation effect of water pollutant difficult to degrade, truly realize " with it is useless directly control it is useless " technical purpose, realize
Bio-ethanol prepares and the combination of wastewater treatment two industries.
Specific embodiment
The present invention is specifically described below by embodiment, it is necessary to which indicated herein is that following embodiment is only used
It is further detailed in the present invention, it is impossible to be interpreted as limiting the scope of the invention, which is skilled in technique
Personnel still fall within protection scope of the present invention according to some nonessential modifications and adaptations that foregoing invention content is made.
Embodiment 1
Column bits be crushed into 40 mesh sieve, obtain column crumbs powder；8g column crumbs powders are put into reaction kettle, are 1 by solid-to-liquid ratio:10
Ratio, phosphoric acid and hydrogen peroxide solution 80g are added in into reaction kettle, the wherein mass fraction of concentrated phosphoric acid is 65.0%, mistake
The mass fraction of hydrogen oxide is 7.0%, and the temperature of pretreatment is 50 DEG C, pretreatment time 4h；Collect what is generated during pretreatment
Gas, and gained gas is passed through equipped with the closed container (50ml specifications) in 7.5ml water body Recalcitrant chemicals waste liquids by synchronization
In, degradation reaction is carried out in 50 DEG C.
The perfluorooctane sulfonate sylvite of a concentration of 100ppm, bisphenol-A, Atrazine, tetracycline are dropped as water body difficulty respectively
Pollutant is solved, carries out corresponding 4 groups of experiments.
And changed based on front and rear reaction density, the removal rate that pollutant is carried out to above-mentioned 4 groups of experiments measures, as a result such as table 1
It is shown：
Table 1
Embodiment 2
The mass fraction for adjusting concentrated phosphoric acid is 68.0%, and the mass fraction of hydrogen peroxide is 5.0%, remaining keeps and implements
Example 1 is consistent.More than 80% is still reached to the removal rate of 4 kinds of pollutants, wherein being 89.1% to the removal rate of bisphenol-A.
Embodiment 3
The weight of adjustment column crumbs powder is 10g, and the volume of water body Recalcitrant chemicals waste liquid is 5ml, remaining keep with it is real
It is consistent to apply example 1.More than 80% is still reached to the removal rate of 4 kinds of pollutants, wherein being 92.8% to the removal rate of bisphenol-A.
Embodiment 4
The weight of adjustment column crumbs powder is 4g, and the volume of water body Recalcitrant chemicals waste liquid is 8ml, remaining keeps and implements
Example 1 is consistent.More than 80% is still reached to the removal rate of 4 kinds of pollutants, wherein being 91.6% to the removal rate of bisphenol-A.
Embodiment 5
The mass fraction for adjusting concentrated phosphoric acid is 60.0%, and the mass fraction of hydrogen peroxide is 8.8%, remaining keeps and implements
Example 1 is consistent.Removal rate to perfluorooctane sulfonate sylvite is 93.5%, is 86.3% to the removal rate of tetracycline, to other 2 kinds of dirts
The removal rate of dye object still reaches more than 80%.
Comparative example 1
Adjustment column bits are broomcorn straw, remaining is consistent with embodiment 1.Removal rate to 4 kinds of pollutants is only 68~71%,
It is only 70.6% wherein to the removal rate of bisphenol-A.
Comparative example 2
Adjustment pretreatment time is 1h, remaining is consistent with embodiment 1.Removal rate for tetracycline is only 73.8%.
Comparative example 3
It is 30 DEG C to adjust pretreatment temperature, remaining is consistent with embodiment 1.Removal rate for perfluorooctane sulfonate sylvite is only
68.1%, the removal rate for tetracycline is only 62.9%.
Claims (10)
1. utilize the method for Recalcitrant chemicals in bamboo scraps pretreatment exhaust gas removal water body, which is characterized in that the method includes
Following steps：
It collects column bits pretreatment and produces exhaust gas, be passed through equipped in the closed container in water body Recalcitrant chemicals waste liquid, in 50~
Degradation reaction is carried out in 80 DEG C；
Recalcitrant chemicals include perfluorooctane sulfonate sylvite, bisphenol-A, Atrazine or tetracycline in the water body；
The column considers the method pre-processed to be worth doing：
Column bits are put into reaction kettle, concentrated phosphoric acid-hydrogen peroxide mix reagent is added in and carries out pretreatment reaction, wherein, concentrated phosphoric acid
Mass fraction for 55.0~70.0%, the mass fraction of hydrogen peroxide is 3.0~10.0%.
2. the according to the method described in claim 1, it is characterized in that, weight of column bits and water body Recalcitrant chemicals waste liquid
Volume ratio is 1:0.5~2.
3. the according to the method described in claim 2, it is characterized in that, weight of column bits and water body Recalcitrant chemicals waste liquid
Volume ratio is 8:7.5.
4. according to the method described in claim 1, it is characterized in that, the mass fraction of concentrated phosphoric acid be 60.0%, hydrogen peroxide
Mass fraction is 8.8%.
5. according to the method described in claim 1, it is characterized in that, when carrying out the degradation reaction, reaction temperature is 50 DEG C.
6. according to the method described in claim 5, it is characterized in that, when carrying out the degradation reaction, reaction temperature is 50 DEG C.
7. according to claim 1~6 any one of them method, which is characterized in that the degradation reaction is and the pretreatment
Synchronous to carry out, being passed through in the closed container for exhaust gas synchronization carries out degradation reaction caused by pretreatment.
8. according to the method described in claim 1, it is characterized in that, carry out column bits pretreatment when, the pretreatment reaction when
Between be 3~5h.
9. according to the method described in claim 8, it is characterized in that, carry out column bits pretreatment when, the pretreatment reaction when
Between be 4h.
10. according to the method described in claim 1, it is characterized in that, the concentration of the water body Recalcitrant chemicals is at least
100ppm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810098050.6A CN108178273B (en) | 2018-01-31 | 2018-01-31 | Method for removing refractory pollutants in water body by utilizing bamboo dust pretreatment waste gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810098050.6A CN108178273B (en) | 2018-01-31 | 2018-01-31 | Method for removing refractory pollutants in water body by utilizing bamboo dust pretreatment waste gas |
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| CN108178273A true CN108178273A (en) | 2018-06-19 |
| CN108178273B CN108178273B (en) | 2020-05-26 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100330A (en) * | 2006-07-07 | 2008-01-09 | 同济大学 | Method for manufacturing and using material for removing pollutant difficult to be degraded in water |
| CN102010053A (en) * | 2010-09-20 | 2011-04-13 | 上海丰信环保科技有限公司 | Remover for high-concentration non-degradable organic pollutants |
| CN107082519A (en) * | 2017-06-22 | 2017-08-22 | 吉林大学 | A kind of preprocessing system and method to the pollutant waste water of water soluble polymer containing difficult degradation |
| CN206767867U (en) * | 2017-03-31 | 2017-12-19 | 昆明理工大学 | A kind of persistent organic pollutant wastewater processing system |
-
2018
- 2018-01-31 CN CN201810098050.6A patent/CN108178273B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101100330A (en) * | 2006-07-07 | 2008-01-09 | 同济大学 | Method for manufacturing and using material for removing pollutant difficult to be degraded in water |
| CN102010053A (en) * | 2010-09-20 | 2011-04-13 | 上海丰信环保科技有限公司 | Remover for high-concentration non-degradable organic pollutants |
| CN206767867U (en) * | 2017-03-31 | 2017-12-19 | 昆明理工大学 | A kind of persistent organic pollutant wastewater processing system |
| CN107082519A (en) * | 2017-06-22 | 2017-08-22 | 吉林大学 | A kind of preprocessing system and method to the pollutant waste water of water soluble polymer containing difficult degradation |
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| CN108178273B (en) | 2020-05-26 |
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