CN108217891A - Electron beam irradiation papermaking wastewater post-processes flocculant and its application - Google Patents
Electron beam irradiation papermaking wastewater post-processes flocculant and its application Download PDFInfo
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- CN108217891A CN108217891A CN201711496754.0A CN201711496754A CN108217891A CN 108217891 A CN108217891 A CN 108217891A CN 201711496754 A CN201711496754 A CN 201711496754A CN 108217891 A CN108217891 A CN 108217891A
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- flocculant
- electron beam
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- papermaking wastewater
- beam irradiation
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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
-
- 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
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of electron beam irradiation papermaking wastewater post processing flocculants and its application, the flocculant to include the component of following parts by weight：30~50 parts of anionic polyacrylamide, 1~10 part of iron chloride, 1~5 part of polyoxyethylene polyoxypropylene polyethers, 1~20 part of bran.The present invention provides a kind of method using high-power electron beam processing papermaking wastewater：Flocculant is added in into the papermaking wastewater after filtration treatment or biochemical treatment, high-energy electron beam irradiation processing is carried out to sewage after being dispersed with stirring uniformly, sewage of the irradiation dose control after 4~10kGy, obtained radiation treatment is filtered, and isolates purified water.The flocculant of the present invention is at low cost, can greatly improve the radiation treatment effect of papermaking wastewater, and non-secondary pollution economizes on resources, and treated, and water is convenient for other follow-up treatment process to be handled, and expands application prospect of the electronic beam irradiation technology in terms of sewage disposal.
Description
Technical field
The invention belongs to sewage treatment fields, and in particular to a kind of electron beam irradiation papermaking wastewater post-processes flocculant.
Background technology
Two production processes of slurrying and copy paper of paper waste in paper industry production.Slurrying is plant original
Fiber separation in material comes out, and slurry is made, then through bleaching, this process can generate a large amount of paper waste；Copy paper is slurry
Material dilution, molding, squeezing, drying, are made paper, this process also easily generates paper waste.The paper waste that slurrying generates,
Pollution is the most serious.Waste water is discharged during pulp washing in dark brown, referred to as Heisui River, pollutant concentration is very high in Heisui River, and BOD is up to 5~
40g/L contains a large amount of fibers, inorganic salts and pigment.The paper waste of bleaching process discharge also contains a large amount of acid-base material.It copies
The paper waste of paper machine discharge, referred to as plain boiled water, wherein containing a large amount of fibers and the filler and sizing material that add in process of production.
With the water-saving and environmental protection requirement of paper-making industry and the project verification of new environmental protection project requirement, with the increase of quantity of circulating water,
Sewage quantity into Sewage Disposal is gradually reducing, but the concentration of Pollutants in Wastewater accordingly increases, according to the prior art
In sewage treatment process and treatment facility, it is difficult to reach the effluent quality formulated before the project implementation, to qualified discharge and improvement
Middle water water quality brings certain difficulty.Main problem existing for existing sewage disposal device has：1. it is poor to post-process effect, primary sedimentation tank
Pond hold it is larger, because cannot timely spoil disposal, precipitating sludge residence time in pond is longer, leads to anaerobic acidification, organic in waste water
Pollutant load increases, and increases subsequent biochemical treatment load；2. lacking treatment process before oxygen consumption aeration, water quality, water cannot
It adjusts, cellulose and hemicellulose are difficult to degrade in waste water, and very big processing pressure is brought to subsequent biochemical process.
Electronic beam irradiation technology is referred to be dealt with objects using accelerated electron beam bombardment or irradiation, be brought it about
Be difficult to the physical chemistry and biologically caused under conventional approaches, so as to reach enhance product performance, the mesh such as cleaning of substances
's.Compared to conventional waste water processing method, the strong point of electronic beam irradiation technology is that processing organic wastewater with difficult degradation thereby, antibiotic give up
Water, waste water containing pathogenic bacteria etc..
Electron beam irradiation handles industrial wastewater as a kind of New Environment Protection Technology, has been carried out in the industry of part a series of
Trial, the technology using the e-book that electron accelerator generates to industrial wastewater carry out radiation treatment, generate largely have
The hydroxyl radical free radical OH of the high oxidation and aqueous electron eaq of reproducibility-Etc. various actives particle, by advanced oxidation also
A series of physical and the chemical reaction such as original reaction and the change of colloid character, make contaminant degradation or separation, so as to efficiently remove
Various pollutants in waste water obtain good treatment effect.Theoretically, electron beam irradiation treatment technology has processing capacity
By force, applied widely, the advantages that treatment effeciency is high, floor space is small, treatment scale is big, service life is long.
Industrial wastewater is handled using electron beam irradiation, according to the difference of water quality and the requirement of total system, can generally be acted on
Post-processing step and post-processing step two types.In as post-processing step, can not still it be reached after being handled for traditional handicraft
The waste water of discharge is marked, using the further advanced treating of electron beam irradiation, remaining intractable pollutant is made further to be removed,
So as to fulfill qualified discharge or Treated sewage reusing.In addition it is also possible to the effective solution as pollution of waterhead processing.It is but practical
It is found in production, is difficult to reach expected degree there are still treatment effect using electron beam irradiation processing industrial wastewater, for not
Treatment effect with waste water changes the problems such as big, energy consumption is big and other waste water treatment step fitnesss are inadequate.
Invention content
The purpose of the present invention is on the basis of existing technology, provide a kind of electron beam irradiation papermaking wastewater post processing flocks
Agent.
It is a further object of the present invention to provide a kind of papermaking wastewater is handled using above-mentioned flocculant application high-power electron beam
Method.
The purpose of the present invention can be achieved by the following measures：
A kind of electron beam irradiation papermaking wastewater post-processes flocculant, it includes the component of following parts by weight：Anion pp acyl
Amine（CPAM）30~50 parts, 1~10 part of iron chloride, 1~5 part of polyoxyethylene polyoxypropylene polyethers, 1~20 part of bran.
In a kind of preferred embodiment, this electron beam irradiation papermaking wastewater post processing flocculant includes the group of following parts by weight
Point：35~45 parts of anionic polyacrylamide, 3~8 parts of iron chloride, 1~5 part of polyoxyethylene polyoxypropylene polyethers, bran 3~
8 parts.
In a kind of more preferable scheme, this electron beam irradiation papermaking wastewater post processing flocculant includes the group of following parts by weight
Point：40~45 parts of anionic polyacrylamide, 5~8 parts of iron chloride, 2~5 parts of polyoxyethylene polyoxypropylene polyethers, bran 4~
7 parts.
Each component in this flocculant coordinates electron beam irradiation to carry out sewage disposal by mutual synergistic effect, respectively
The dosage of component is both needed to keep in the reasonable scope the experiment has found that the other components in addition to bran are for example too high or too low, all can
Influence wastewater treatment efficiency.
After each component need to be only sufficiently mixed by the electron beam irradiation papermaking wastewater post processing flocculant of the present invention in the preparation
Packing.
The present invention also provides a kind of methods using high-power electron beam processing papermaking wastewater, it includes the following steps：To
Flocculant of the present invention is added in papermaking wastewater after biochemical treatment, high energy is carried out to sewage after being dispersed with stirring uniformly
Electron beam irradiation processing, sewage of the irradiation dose control after 4~10kGy, obtained radiation treatment are filtered, isolate net
Water after change.
Treatment method using high-power electron beam for the problem of papermaking wastewater is ineffective is handled merely, by handling
Adding in micro flocculant in the process promotes the flocculation package of the ingredients such as degradation and the fiber of various organic-inorganic pollutants heavy
It forms sediment, the effect of radiation treatment sewage can be greatly improved.
Only good treatment effect need to can be realized, but found in putting into practice by adding in micro flocculant in this method,
Radiation treatment effect is influenced when the addition of flocculant is excessive instead, this is perhaps related with flocculant premature flocculation pollutant, coagulates
When the addition of wadding agent is too small, flocculant can not play due effect.The suitable addition of flocculant is waits to locate in this method
Manage 0.001~0.08 ‰, preferably 0.005~0.05 ‰, further preferred 0.008~the 0.03 ‰ of sewage quality.
It stirs 0.1~5 hour and is uniformly dispersed after predose, flocculant addition treatment sewage, preferably 0.2~1 hour,
Long or too short mixing time can also influence radiation treatment effect.It also needs to keep stirring in high-energy electron beam irradiation processing procedure
It mixes.
This method is acted on by the coordinated of flocculant during Sewage, can make high-power electron beam
Under relatively low irradiation dose（Below 10kGy）Realize preferable treatment effect, it is preferred that irradiation dose control 5~
10kGy, further preferred irradiation dose are 5~8kGy.
Electron beam irradiation papermaking wastewater post processing flocculant provided by the present invention is at low cost, convenient for obtaining, coordinates electronics
Technology is made in beam irradiation, can greatly improve the radiation treatment effect of papermaking wastewater, non-secondary pollution economizes on resources, and treated
Water is convenient for other follow-up treatment process to be handled, generated sludge also can reuse again, further expand electron beam spoke
According to application prospect of the technology in terms of sewage disposal.
Specific embodiment
The solution of the present invention is described further with reference to embodiments, but the scope of the invention is not limited to following
Each embodiment.
Embodiment 1
The raw material of electron beam irradiation papermaking wastewater post processing flocculant is as follows：Anionic polyacrylamide 40kg, iron chloride 6kg,
Polyoxyethylene polyoxypropylene polyethers 3kg, bran 5kg.Each raw material dispenses after being sufficiently mixed.
Embodiment 2
The raw material of electron beam irradiation papermaking wastewater post processing flocculant is as follows：Anionic polyacrylamide 44kg, iron chloride 5kg,
Polyoxyethylene polyoxypropylene polyethers 3kg, bran 6kg.Each raw material dispenses after being sufficiently mixed.
Embodiment 3
The raw material of electron beam irradiation papermaking wastewater post processing flocculant is as follows：Anionic polyacrylamide 41kg, iron chloride 8kg,
Polyoxyethylene polyoxypropylene polyethers 5kg, bran 7kg.Each raw material dispenses after being sufficiently mixed.
Embodiment 4
Papermaking wastewater still remains some intractable pollutants after pollutant filtration treatment, materializing strategy and biochemical treatment
It is difficult to remove by conventional method, post-processing step of the electron irradiation processing as wastewater treatment.The raw water is first added in into implementation
Flocculant prepared by example 1, dosage are 0.01 ‰, and stirring is uniformly dispersed for 0.2 hour, and sewage is being stirred after being dispersed with stirring uniformly
Lower progress high-energy electron beam irradiation processing is mixed, sewage of the irradiation dose control after 6kGy, obtained radiation treatment is filtered,
Isolate purified water.
The same terms, the high-energy electron beam irradiation processing with dosage are carried out with the identical raw water for not adding flocculant, as
Reference examples 1.
To add same amount of flocculant but without the scheme of radiation treatment, as reference examples 2.
Correlation water before and after the processing is as shown in table 1.
Table 1
| Detection project | Raw water | Treated water | Reference examples 1 | Reference examples 2 |
| CODcr(mg/L) | 101 | 39 | 78 | 99 |
| BOD5(mg/L) | 88 | 15 | 75 | 85 |
| NH3-N(mg/L) | 30 | 11 | 24 | 28 |
| TP(mg/L) | 21 | 3 | 17 | 3.1 |
The purified water isolated after this example processing, can direct emission.
Embodiment 5
Papermaking wastewater still remains some intractable pollutants after pollutant filtration treatment, materializing strategy and biochemical treatment
It is difficult to remove by conventional method, post-processing step of the electron irradiation processing as wastewater treatment.The raw water is first added in into implementation
Flocculant prepared by example 2, dosage are 0.008 ‰, and stirring is uniformly dispersed for 0.2 hour, exists after being dispersed with stirring uniformly to sewage
Stirring is lower to carry out high-energy electron beam irradiation processing, and sewage of the irradiation dose control after 5kGy, obtained radiation treatment carried out
Filter, isolates purified water.
The same terms, the high-energy electron beam irradiation processing with dosage are carried out with the identical raw water for not adding flocculant, as
Reference examples 3.
To add same amount of flocculant but without the scheme of radiation treatment, as reference examples 4.
Correlation water before and after the processing is as shown in table 2.
Table 2
| Detection project | Raw water | Treated water | Reference examples 3 | Reference examples 4 |
| CODcr(mg/L) | 119 | 42 | 99 | 111 |
| BOD5(mg/L) | 99 | 19 | 87 | 94 |
| NH3-N(mg/L) | 33 | 12 | 26 | 29 |
| TP(mg/L) | 3.4 | 1.1 | 2.5 | 3.0 |
The purified water isolated after this example processing, can direct emission.
Claims (9)
1. a kind of electron beam irradiation papermaking wastewater post-processes flocculant, it is characterised in that it includes the component of following parts by weight：It is cloudy
30~50 parts of cationic polyacrylamide, 1~10 part of iron chloride, 1~5 part of polyoxyethylene polyoxypropylene polyethers, bran 1~20
Part.
2. electron beam irradiation papermaking wastewater according to claim 1 post-processes flocculant, it is characterised in that it includes as follows
The component of parts by weight：35~45 parts of anionic polyacrylamide, 3~8 parts of iron chloride, polyoxyethylene polyoxypropylene polyethers 1~5
Part, 3~8 parts of bran.
3. electron beam irradiation papermaking wastewater according to claim 2 post-processes flocculant, it is characterised in that it includes as follows
The component of parts by weight：40~45 parts of anionic polyacrylamide, 5~8 parts of iron chloride, polyoxyethylene polyoxypropylene polyethers 2~5
Part, 4~7 parts of bran.
A kind of 4. method using high-power electron beam processing papermaking wastewater, it is characterised in that it includes the following steps：To by giving birth to
Change in treated papermaking wastewater and add in flocculant described in claim 1, carry out high energy electricity after being dispersed with stirring uniformly to sewage
Beamlet radiation treatment, sewage of the irradiation dose control after 4~10kGy, obtained radiation treatment are filtered, and isolate purification
Water afterwards.
5. according to the method described in claim 4, it is characterized in that the addition of the flocculant is treatment sewage quality
0.001~0.08 ‰.
6. according to the method described in claim 5, it is characterized in that the addition of the flocculant is treatment sewage quality
0.005~0.05 ‰.
7. according to the method described in claim 6, it is characterized in that the addition of the coating agent is treatment sewage quality
0.008~0.03 ‰.
8. according to the method described in claim 4, it is characterized in that flocculant stirs 0.1~5 hour after adding in treatment sewage
It is uniformly dispersed, is also kept stirring in high-energy electron beam irradiation processing procedure.
9. according to the method described in claim 4, it is characterized in that irradiation dose control is in 5~10kGy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711496754.0A CN108217891A (en) | 2017-12-31 | 2017-12-31 | Electron beam irradiation papermaking wastewater post-processes flocculant and its application |
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| CN201711496754.0A CN108217891A (en) | 2017-12-31 | 2017-12-31 | Electron beam irradiation papermaking wastewater post-processes flocculant and its application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607792A (en) * | 2019-02-20 | 2019-04-12 | 中广核达胜加速器技术有限公司 | The anaerobic- anoxic- oxic biological denitrification phosphorous removal technique improved using electron beam irradiation |
-
2017
- 2017-12-31 CN CN201711496754.0A patent/CN108217891A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109607792A (en) * | 2019-02-20 | 2019-04-12 | 中广核达胜加速器技术有限公司 | The anaerobic- anoxic- oxic biological denitrification phosphorous removal technique improved using electron beam irradiation |
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