CN107522275A - A kind of sewage flocculant and preparation method thereof - Google Patents
A kind of sewage flocculant and preparation method thereof Download PDFInfo
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- CN107522275A CN107522275A CN201710677187.2A CN201710677187A CN107522275A CN 107522275 A CN107522275 A CN 107522275A CN 201710677187 A CN201710677187 A CN 201710677187A CN 107522275 A CN107522275 A CN 107522275A
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- chitosan
- sewage
- acetic acid
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- flocculant
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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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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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)
- Inorganic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention belongs to technical field of sewage, and in particular to a kind of sewage flocculant and preparation method thereof；A kind of sewage flocculant, include 10 15 parts of 10 15 parts of component raw material charcoal, the aging starch and 10 20 parts of chitosan-acetic acid solution of following parts by weight；A kind of preparation method of sewage flocculant, A, starch curing：Water is added in starch, is placed in mixer, 1 DEG C of 90 scholar of temperature, gelatinization is cooled to room temperature after 30 minutes, standby；B, the preparation of chitosan-acetic acid solution：Chitosan and glacial acetic acid are mixed and made into chitosan-acetic acid solution, in 60 80 DEG C of waters bath with thermostatic control, chitosan-acetic acid solution is made after stirring 1 2h, it is standby；Chitosan-acetic acid solution prepared by aging starch, the step B for C, proportionally taking step A to prepare, then adds charcoal, is well mixed, is prepared into flocculant of the present invention；On the premise of making the original traditional flocculant advantage of compound sewage treatment flocculating agent reservation, sludge quantity is small, cohesiveness is stronger.
Description
Technical field
The invention belongs to technical field of sewage, and in particular to a kind of sewage flocculant and preparation method thereof.
Background technology
In recent years, as the fast development of China's national economy, the imbalance between supply and demand of water become increasingly conspicuous.Water shortage, water pollution are
Life to the development and people of China's national economy and industrial and agricultural production constitutes serious prestige rib.Waste water treating and reutilizing is solution
The certainly main path of water crisis.Flocculation sedimentation is the economy for handling sewage, easy method.In flocculation sedimentation, flocculation
The selection of agent is the most key.In flocculant, there is the shortcomings of dosage is big, moisture percentage in sewage sludge is high in inorganic flocculating agent.It is and existing
Organic polymer coargulator, though can overcome above-mentioned deficiency, cost is higher.Preparation for this high efficiency, low cost flocculant turns into
One of focus of researchers' concern.
The content of the invention
Insufficient present in background technology in order to overcome, the present invention proposes a kind of sewage flocculant and preparation method thereof, makes
On the premise of compound sewage treatment flocculating agent retains original traditional flocculant advantage, sludge quantity is small, cohesiveness is stronger.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of sewage flocculant, including following components raw material：Charcoal, aging starch and chitosan-acetic acid solution.
Further, component raw material charcoal 10-15 parts, aging starch 10-15 parts and the chitosan of following parts by weight are included
Acetum 10-20 parts.
Further, including following parts by weight 12 parts of 12 parts of component raw material charcoal, aging starch and chitosan acetic acid it is molten
15 parts of liquid.
A kind of preparation method of sewage flocculant,
A, starch cures：
Water is added in starch, is placed in mixer, 1 DEG C of 90 scholar of temperature, gelatinization is cooled to room temperature after 30 minutes, standby；
B, the preparation of chitosan-acetic acid solution：
Chitosan and glacial acetic acid are mixed and made into chitosan-acetic acid solution, in 60-80 DEG C of water bath with thermostatic control, are made after stirring 1-2h
Chitosan-acetic acid solution, it is standby；
Chitosan-acetic acid solution prepared by aging starch, the step B for C, proportionally taking step A to prepare, then adds charcoal, mixes
Close uniformly, be prepared into flocculant of the present invention.
Further, in step, the mass ratio of starch and water is：1-2:10-12.
Further, in step, the rotating speed of mixer is 150-250 r.p.m.
Further, in stepb, the weight of chitosan and glacial acetic acid ratio is：10-12:1-3.
Further, the use process of flocculant is：The flocculant of preparation is put into sewage, then stirred, is stood, mistake
The sewage after filtering is produced after filter.
Further, each ton of sewage adds flocculant 20-50g.
Compared with prior art, the present invention one of at least has the advantages that：
1. the present invention is handled chitosan with acetic acid, porous globule, counterweight are offered on the chitosan after being handled with acetic acid
Metal has chelation, and the suspension in sewage can be made to flocculate rapidly, natural sedimentation, improves the yield of stoste.
2. starch is carried out into maturation process, flocculating effect can be increased, the large granular impurity in sewage is adsorbed, it is right
The assimilation effect of bulky grain is preferable.
3. the present invention uses in flocculant and do not add chemical composition, in sewage flocculation, chemistry will not be mixed into sewage
Composition, secondary pollution will not be caused.
4. can be adsorbed the color in sewage using charcoal, and filter after use, wood can be reused
Charcoal, it is cost-effective.
Embodiment
The present invention is further illustrated for example below, but embodiment is not the limit to technical solution of the present invention
It is fixed.All conversion made based on the present invention all should belong to protection scope of the present invention.
Embodiment 1
A kind of sewage flocculant, including following components raw material：Charcoal, aging starch and chitosan-acetic acid solution, in flocculant not
Chemical composition is added, in sewage flocculation, chemical composition will not be mixed into sewage, secondary pollution will not be caused.
Embodiment 2
On the basis of embodiment 1, a kind of sewage flocculant, including 10 parts of the component raw material charcoal of following parts by weight, curing
10 parts of 10 parts of starch and chitosan-acetic acid solution, pass through the restriction of ratio between charcoal, aging starch and aging starch three, energy
Enough so that flocculating effect is preferable.
Embodiment 3
On the basis of embodiment 1, a kind of sewage flocculant, including 12 parts of the component raw material charcoal of following parts by weight, curing
15 parts of 12 parts of starch and chitosan-acetic acid solution, under this ratio, wastewater treatment efficiency is preferable.
Embodiment 4
On the basis of embodiment 1, a kind of sewage flocculant, including 15 parts of the component raw material charcoal of following parts by weight, curing
20 parts of 15 parts of starch and chitosan-acetic acid solution, pass through the restriction of ratio between charcoal, aging starch and aging starch three, energy
Enough so that flocculating effect is preferable.
Embodiment 5
On the basis of embodiment 1-4, a kind of preparation method of sewage flocculant,
A, starch cures：
Water is added in starch, is placed in mixer, 1 DEG C of 90 scholar of temperature, gelatinization is cooled to room temperature after 30 minutes, standby；
B, the preparation of chitosan-acetic acid solution：
Chitosan and glacial acetic acid are mixed and made into chitosan-acetic acid solution, in 60-80 DEG C of water bath with thermostatic control, are made after stirring 1-2h
Chitosan-acetic acid solution, it is standby；
Chitosan-acetic acid solution prepared by aging starch, the step B for C, proportionally taking step A to prepare, then adds charcoal, mixes
Close uniformly, be prepared into flocculant of the present invention.
Preparation technology of the present invention is simple, and the flocculant of preparation has preferable flocculating effect.
Embodiment 6
On the basis of embodiment 1-5, in step, the mass ratio of starch and water is：1:10, starch is subjected to maturation process,
Flocculating effect can be increased, the large granular impurity in sewage is adsorbed, it is preferable to the assimilation effect of bulky grain.
Embodiment 7
On the basis of embodiment 1-5, in step, the mass ratio of starch and water is：1:11, starch is subjected to maturation process,
Flocculating effect can be increased, the large granular impurity in sewage is adsorbed, it is preferable to the assimilation effect of bulky grain.
Embodiment 8
On the basis of embodiment 1-5, in step, the mass ratio of starch and water is：2:12, starch is subjected to maturation process,
Flocculating effect can be increased, the large granular impurity in sewage is adsorbed, it is preferable to the assimilation effect of bulky grain.
Embodiment 9
On the basis of embodiment 1-8, in step, the rotating speed of mixer is 150 r.p.m, enables to starch curing more
Completely so that the Flocculating Effect of Flocculant of preparation is preferable.
Embodiment 10
On the basis of embodiment 1-8, in step, the rotating speed of mixer is 200 r.p.m, enables to starch curing more
Completely so that the Flocculating Effect of Flocculant of preparation is preferable.
Embodiment 11
On the basis of embodiment 1-8, in step, the rotating speed of mixer is 250 r.p.m, enables to starch curing more
Completely so that the Flocculating Effect of Flocculant of preparation is preferable.
Embodiment 12
On the basis of embodiment 1-11, in stepb, the weight ratio of chitosan and glacial acetic acid is：10:1, after being handled with acetic acid
Chitosan on offer porous globule, heavy metal has chelation, and the suspension in sewage can be made to flocculate rapidly, naturally heavy
Form sediment, improve the yield of stoste.
Embodiment 13
On the basis of embodiment 1-11, in stepb, the weight ratio of chitosan and glacial acetic acid is：11:2, after being handled with acetic acid
Chitosan on offer porous globule, heavy metal has chelation, and the suspension in sewage can be made to flocculate rapidly, naturally heavy
Form sediment, improve the yield of stoste.
Embodiment 14
On the basis of embodiment 1-11, in stepb, the weight ratio of chitosan and glacial acetic acid is： 12:3, handled with acetic acid
Porous globule is offered on chitosan afterwards, heavy metal has chelation, and the suspension in sewage can be made to flocculate rapidly, natural
Precipitation, improve the yield of stoste.
Embodiment 15
On the basis of embodiment 1-14, the use process of flocculant is：The flocculant of preparation is put into sewage, then stirred
Mix, stand, the sewage after filtering is produced after filtering, charcoal can be reused, it is cost-effective.
Embodiment 16
On the basis of embodiment 1-15, each ton of sewage adds flocculant 20g, and present invention use is simple to operate, has to sewage
There is preferable flocculating effect.
Embodiment 17
On the basis of embodiment 1-15, each ton of sewage adds flocculant 35g, is applied and flocculated according to the pollution level of sewage
Agent, can be cost-effective while flocculating effect is reached.
Embodiment 18
On the basis of embodiment 1-15, each ton of sewage adds flocculant 50g, has preferable flocculating effect to sewage.
Finally illustrate, above example is merely to illustrate technical scheme and unrestricted, although passing through ginseng
According to the preferred embodiments of the present invention, invention has been described, it should be appreciated by those of ordinary skill in the art that can
To make various changes to it in the form and details, without departing from limited range of the present invention.
Claims (9)
- A kind of 1. sewage flocculant, it is characterised in that：Including following components raw material：Charcoal, aging starch and chitosan acetic acid are molten Liquid.
- A kind of 2. sewage flocculant according to claim 1, it is characterised in that：Include the component raw material of following parts by weight Charcoal 10-15 parts, aging starch 10-15 parts and chitosan-acetic acid solution 10-20 parts.
- A kind of 3. sewage flocculant according to claim 1 or 2, it is characterised in that：Include the component of following parts by weight 15 parts of 12 parts of raw material charcoal, 12 parts of aging starch and chitosan-acetic acid solution.
- 4. a kind of preparation method of sewage flocculant according to any one claim of claim 1-3, its feature exist In：Starch cures：Water is added in starch, is placed in mixer, 1 DEG C of 90 scholar of temperature, gelatinization is cooled to room temperature after 30 minutes, standby；B, the preparation of chitosan-acetic acid solution：Chitosan and glacial acetic acid are mixed and made into chitosan-acetic acid solution, in 60-80 DEG C of water bath with thermostatic control, are made after stirring 1-2h Chitosan-acetic acid solution, it is standby；Chitosan-acetic acid solution prepared by aging starch, the step B for C, proportionally taking step A to prepare, then adds charcoal, mixes Close uniformly, be prepared into flocculant of the present invention.
- A kind of 5. preparation method of sewage flocculant according to claim 4, it is characterised in that：In step, starch with The mass ratio of water is：1-2:10-12.
- A kind of 6. preparation method of sewage flocculant according to claim 4, it is characterised in that：In step, mixer Rotating speed be 150-250 r.p.m.
- A kind of 7. preparation method of sewage flocculant according to claim 4, it is characterised in that：In stepb, chitosan Weight ratio with glacial acetic acid is：10-12:1-3.
- A kind of 8. preparation method of sewage flocculant according to claim 4, it is characterised in that：The use process of flocculant For：The flocculant of preparation is put into sewage, then stirred, is stood, the sewage after filtering is produced after filtering.
- A kind of 9. preparation method of sewage flocculant according to claim 8, it is characterised in that：Each ton of sewage adds wadding Solidifying agent 20-50g.
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| CN201710677187.2A CN107522275A (en) | 2017-08-09 | 2017-08-09 | A kind of sewage flocculant and preparation method thereof |
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| CN201710677187.2A CN107522275A (en) | 2017-08-09 | 2017-08-09 | A kind of sewage flocculant and preparation method thereof |
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Cited By (2)
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| CN111573798A (en) * | 2020-04-30 | 2020-08-25 | 广西夏阳环保科技有限公司 | Natural composite polyaluminum chloride water treatment agent and preparation method thereof |
| CN112028207A (en) * | 2020-08-25 | 2020-12-04 | 广西桂林新大桂工环境科技中心(有限合伙) | Flocculant for sewage treatment and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573798A (en) * | 2020-04-30 | 2020-08-25 | 广西夏阳环保科技有限公司 | Natural composite polyaluminum chloride water treatment agent and preparation method thereof |
| CN112028207A (en) * | 2020-08-25 | 2020-12-04 | 广西桂林新大桂工环境科技中心(有限合伙) | Flocculant for sewage treatment and preparation method thereof |
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Application publication date: 20171229 |