CN105461032A - Sewage treatment flocculant and application thereof - Google Patents
Sewage treatment flocculant and application thereof Download PDFInfo
- Publication number
- CN105461032A CN105461032A CN201510728639.6A CN201510728639A CN105461032A CN 105461032 A CN105461032 A CN 105461032A CN 201510728639 A CN201510728639 A CN 201510728639A CN 105461032 A CN105461032 A CN 105461032A
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- sewage
- flocculation agent
- flocculant
- sewage treatment
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Classifications
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
-
- 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
- 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)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to a sewage treatment flocculant and application thereof. The flocculant includes the following components by weight: 10-30 parts of chitosan, 15-30 parts of aluminum salt, 5-15 parts of sodium hypochlorite, 5-20 parts of polyacrylamide, 1-8 parts of calcium oxide, and 10-25 parts of a porous adsorbent. Aiming at a variety of sewage, the flocculant generates flocculating constituents with large alumen ustum and small amount of sludge, has stronger cohesion with sludge, and does not need coagulant for dehydration; besides, the flocculant can directly treat sewage with high content of suspended solids, and does not produce secondary pollution. The flocculant has high COD removal efficiency, high sewage treatment efficiency and low cost.
Description
Technical field
The invention belongs to technical field of sewage, be specifically related to a kind of sewage treatment flocculating agent and uses thereof.
Background technology
The development of industrial and agricultural production, while enriching wealth to mankind's creation, also causes the pollution problem of harm, particularly water resources in various degree, more and more receives the concern of people to environment.For the development of propelling sewage treatment industry that can be positive, there is the new technology of large quantities of researchers chemical method in research and development sewage disposal, but have difficulty in taking a step in the research and development of flocculation agent.Sewage treatment process inevitably will use various flocculation agent, the flocculation agent that current sewage disposal uses has inorganic coagulant, organic polymer coagulating agent and microbial flocculant, inorganic coagulant is mostly aluminium salt or molysite, mainly plays coagulation with its hydrolysate.
In recent years, the external organic polymer coagulating agent kind adopted is increasing, has the trend replacing inorganic coagulant, but because of price reasons, seldom uses.The flocculation agent used in domestic sewage disposal is generally the traditional flocculants such as polymerize aluminum chloride, aluminium chlorohydroxide, PAFS, bodied ferric sulfate, although cost is very low, effect is undesirable, there is the deficiency that alumen ustum is little, cohesive force is not strong, sludge quantity is large.Widely, the production cycle is very short in the source of microbial flocculant.Compare the flocculation agents such as conventional aluminium salt, molysite, polyacrylamide, algin sodium, the flocculation rate of microbial flocculant to active sludge is the highest, and the flocs unit of generation is easily fallen by filter-cloth filtering.And the few and good decolorizing effect of their safety non-toxics, non-secondary pollution, applied range, consumption, production cost and treatment technology total expenses are lower than chemical floc.Weak point is that they are easily subject to the interference of toxic substance, and the waste liquid of process requires the factor not harming thalli growth.
Summary of the invention
The object of the invention is to provide a kind of sewage treatment flocculating agent and application thereof, in sewage disposal, add flocculation agent in proportion, usefulness can be improved exponentially, and price is lower, steady quality, adding less.
For reaching this object, the present invention by the following technical solutions:
On the one hand, the invention provides a kind of sewage treatment flocculating agent, each component concentration of described flocculation agent comprises following raw material by weight:
Described chitosan can be such as 10 parts, 12 parts, 15 parts, 18 parts, 20 parts, 22 parts, 25 parts, 28 parts or 30 parts.
Described aluminium salt can be such as 15 parts, 18 parts, 20 parts, 22 parts, 25 parts, 28 parts or 30 parts.
Described clorox can be such as 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts or 15 parts.
Described polyacrylamide can be such as 5 parts, 6 parts, 8 parts, 10 parts, 12 parts, 15 parts, 18 parts or 20 parts.
Described calcium oxide can be such as 1 part, 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts or 8 parts.
Described porous adsorbent can be such as 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts, 16 parts, 17 parts, 18 parts, 19 parts, 20 parts, 21 parts, 22 parts, 23 parts, 24 parts or 25 parts.
Each component concentration of described flocculation agent comprises following raw material by weight:
Described aluminium salt is one in Tai-Ace S 150, alum or aluminium chlorohydroxide or at least two kinds of combinations.
Described porous adsorbent is one in diatomite, silica gel or gac or at least two kinds of combinations.
On the other hand, the invention provides a kind of purposes of flocculation agent as described in relation to the first aspect, described flocculation agent is used as sewage disposal.
Described sewage disposal comprises the following steps:
(1) sewage is recycled to sewage lagoon, regulates pH to slightly acidic or weakly alkaline, cross and filter precipitation;
(2) add flocculation agent to the supernatant after the precipitation in step (1), stir, staticly settle, filter;
(3) carry out dewatering and being oxidized to the filter residue after the filtration in step (2), drain after twice filtration and burn.
The pH regulator of described step (1) to 6-8, such as, can be 6,6.5,6.8,7,7.2,7.5,7.8 or 8, is preferably 6.5-8.
In described step (2), the add-on of flocculation agent is that every 1L sewage adds 10-20mg, such as, can be 10mg, 11mg, 12mg, 13mg, 14mg, 15mg, 16mg, 17mg, 18mg, 19mg or 20mg.
Preferably, the churning time in described step (2) is 30-60min, such as, can be 30min, 32min, 35min, 38min, 40min, 42min, 45min, 48min, 50min, 52min, 55min, 58min or 60min.
Preferably, the time of repose in described step (2) is 10-16h, such as, can be 10h, 11h, 12h, 13h, 14h, 15h or 16h.
Compared with prior art, the present invention has following beneficial effect: the alumen ustum for various sewage generation flocs unit is large, sludge quantity is little, and sludge coagulating power is stronger simultaneously, dewaters without the need to adding coagulant aids; The present invention also directly can process the sewage of suspension object height; Flocculation agent non-secondary pollution of the present invention.COD clearance of the present invention is high, and sewage treating efficiency is high, and cost is low.
Embodiment
For further setting forth the technique means and effect thereof that the present invention takes, further illustrate technical scheme of the present invention below in conjunction with the preferred embodiments of the present invention, but the present invention is not confined in scope of embodiments.
Embodiment 1:
A kind of sewage treatment flocculating agent, each component concentration of described flocculation agent comprises following raw material by weight:
Described sewage disposal comprises the following steps:
(1) sewage is recycled to sewage lagoon, regulates pH to 6, cross and filter precipitation;
(2) to the supernatant after the precipitation in step (1), the supernatant of every 1L adds the flocculation agent of above-mentioned 20mg, stirs 60min, leaves standstill 16h precipitation, filters;
(3) carry out dewatering and being oxidized to the filter residue after the filtration in step (2), drain after twice filtration and burn.
Embodiment 2:
A kind of sewage treatment flocculating agent, each component concentration of described flocculation agent comprises following raw material by weight:
Described sewage disposal comprises the following steps:
(1) sewage is recycled to sewage lagoon, regulates pH to 8, cross and filter precipitation;
(2) to the supernatant after the precipitation in step (1), the supernatant of every 1L adds the flocculation agent of above-mentioned 10mg, stirs 30min, leaves standstill 10h precipitation, filters;
(3) carry out dewatering and being oxidized to the filter residue after the filtration in step (2), drain after twice filtration and burn.
Embodiment 3:
A kind of sewage treatment flocculating agent, each component concentration of described flocculation agent comprises following raw material by weight:
Described sewage disposal comprises the following steps:
(1) sewage is recycled to sewage lagoon, regulates pH to 7, cross and filter precipitation;
(2) to the supernatant after the precipitation in step (1), the supernatant of every 1L adds the flocculation agent of above-mentioned 15mg, stirs 45min, leaves standstill 15h precipitation, filters;
(3) carry out dewatering and being oxidized to the filter residue after the filtration in step (2), drain after twice filtration and burn.
Embodiment 4:
A kind of sewage treatment flocculating agent, each component concentration of described flocculation agent comprises following raw material by weight:
Described sewage disposal comprises the following steps:
(1) sewage is recycled to sewage lagoon, regulates pH to 7.8, cross and filter precipitation;
(2) to the supernatant after the precipitation in step (1), the supernatant of every 1L adds the flocculation agent of above-mentioned 15mg, stirs 50min, leaves standstill 12h precipitation, filters;
(3) carry out dewatering and being oxidized to the filter residue after the filtration in step (2), drain after twice filtration and burn.
Embodiment 5:
A kind of sewage treatment flocculating agent, each component concentration of described flocculation agent comprises following raw material by weight:
Described sewage disposal comprises the following steps:
(1) sewage is recycled to sewage lagoon, regulates pH to 6.5, cross and filter precipitation;
(2) to the supernatant after the precipitation in step (1), the supernatant of every 1L adds the flocculation agent of above-mentioned 20mg, stirs 55min, leaves standstill 14h precipitation, filters;
(3) carry out dewatering and being oxidized to the filter residue after the filtration in step (2), drain after twice filtration and burn.
The result of embodiment 1-5 is as shown in table 1:
Table 1
| Embodiment | Settling time (h) | COD clearance (%) |
| Embodiment 1 | 16 | 45％ |
| Embodiment 2 | 16 | 43％ |
| Embodiment 3 | 12 | 47％ |
| Embodiment 4 | 10 | 58％ |
| Embodiment 5 | 11 | 55％ |
In sum, embodiments of the invention all have the ability removing COD preferably, and the time of clarifying contaminated liquids is also shorter.And the alumen ustum that flocculation agent of the present invention produces flocs unit for various sewage is large, sludge quantity is little, sludge coagulating power is stronger simultaneously, dewaters without the need to adding coagulant aids; Flocculation agent non-secondary pollution of the present invention.COD clearance of the present invention is high, and sewage treating efficiency is high, and cost is low.
Applicant states, the present invention illustrates method detailed of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned method detailed, does not namely mean that the present invention must rely on above-mentioned method detailed and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of ancillary component, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.
Claims (8)
1. a sewage treatment flocculating agent, is characterized in that, each component concentration of described flocculation agent comprises following raw material by weight:
2. flocculation agent according to claim 1, is characterized in that, each component concentration of described flocculation agent comprises following raw material by weight:
3. the flocculation agent described in claim 1 or 2, is characterized in that, described aluminium salt is one in Tai-Ace S 150, alum or aluminium chlorohydroxide or at least two kinds of combinations.
4. the flocculation agent according to any one of claim 1-3, is characterized in that, described porous adsorbent is one in diatomite, silica gel or gac or at least two kinds of combinations.
5. the purposes of flocculation agent according to any one of claim 1-4, is characterized in that, described flocculation agent is used as sewage disposal.
6. purposes according to claim 5, is characterized in that, described sewage disposal comprises the following steps:
(1) sewage is recycled to sewage lagoon, regulates pH to slightly acidic or weakly alkaline, cross and filter precipitation;
(2) add flocculation agent to the supernatant after the precipitation in step (1), stir, staticly settle, filter;
(3) carry out dewatering and being oxidized to the filter residue after the filtration in step (2), drain after twice filtration and burn.
7. purposes according to claim 6, is characterized in that, the pH regulator of described step (1), to 6-8, is preferably 6.5-8.
8. the purposes according to any one of claim 6-7, is characterized in that, in described step (2), the add-on of flocculation agent is that every 1L sewage adds 10-20mg;
Preferably, the churning time in described step (2) is 30-60min;
Preferably, the time of repose in described step (2) is 10-16h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728639.6A CN105461032A (en) | 2015-10-30 | 2015-10-30 | Sewage treatment flocculant and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728639.6A CN105461032A (en) | 2015-10-30 | 2015-10-30 | Sewage treatment flocculant and application thereof |
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| CN105461032A true CN105461032A (en) | 2016-04-06 |
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| CN201510728639.6A Pending CN105461032A (en) | 2015-10-30 | 2015-10-30 | Sewage treatment flocculant and application thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836945A (en) * | 2016-06-02 | 2016-08-10 | 陈昌 | Efficient wastewater treatment method |
| CN105948344A (en) * | 2016-06-02 | 2016-09-21 | 陈昌 | Dyeing wastewater treatment method |
| CN107233870A (en) * | 2017-07-03 | 2017-10-10 | 安徽省鸿鑫生物科技有限公司 | A kind of preparation method and applications of sewage treating material |
| CN107512743A (en) * | 2016-06-17 | 2017-12-26 | 洪克宝 | A kind of product formula and preparation method on sewage disposal |
| CN107698065A (en) * | 2017-11-14 | 2018-02-16 | 蚌埠市嘉实机电设备制造有限公司 | Caused dirty water purification method in a kind of production to aluminum products |
| CN108249541A (en) * | 2018-01-30 | 2018-07-06 | 浙江碧源环保科技有限公司 | It is a kind of to help solidifying decolorising agent and preparation method thereof suitable for coal chemical industry sewage disposal adjusting pH |
| CN108423741A (en) * | 2018-04-20 | 2018-08-21 | 东莞市顶盛环保科技有限公司 | A kind of COD removers and preparation method thereof |
| CN108892198A (en) * | 2018-07-25 | 2018-11-27 | 濮阳市天源化工有限公司 | A kind of polyaluminium chloride water purification agent |
| CN108996645A (en) * | 2018-09-20 | 2018-12-14 | 王晓霞 | A kind of wastewater from chemical industry flocculant |
| CN113501572A (en) * | 2021-07-28 | 2021-10-15 | 扬州科苑化工有限公司 | Special flocculant for municipal refuse leachate and preparation method thereof |
| CN114314779A (en) * | 2021-12-08 | 2022-04-12 | 河北建投交通投资有限责任公司 | Flocculating agent for sewage treatment station of railway tunnel |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105836945A (en) * | 2016-06-02 | 2016-08-10 | 陈昌 | Efficient wastewater treatment method |
| CN105948344A (en) * | 2016-06-02 | 2016-09-21 | 陈昌 | Dyeing wastewater treatment method |
| CN107512743A (en) * | 2016-06-17 | 2017-12-26 | 洪克宝 | A kind of product formula and preparation method on sewage disposal |
| CN107233870A (en) * | 2017-07-03 | 2017-10-10 | 安徽省鸿鑫生物科技有限公司 | A kind of preparation method and applications of sewage treating material |
| CN107698065A (en) * | 2017-11-14 | 2018-02-16 | 蚌埠市嘉实机电设备制造有限公司 | Caused dirty water purification method in a kind of production to aluminum products |
| CN108249541A (en) * | 2018-01-30 | 2018-07-06 | 浙江碧源环保科技有限公司 | It is a kind of to help solidifying decolorising agent and preparation method thereof suitable for coal chemical industry sewage disposal adjusting pH |
| CN108423741A (en) * | 2018-04-20 | 2018-08-21 | 东莞市顶盛环保科技有限公司 | A kind of COD removers and preparation method thereof |
| CN108892198A (en) * | 2018-07-25 | 2018-11-27 | 濮阳市天源化工有限公司 | A kind of polyaluminium chloride water purification agent |
| CN108996645A (en) * | 2018-09-20 | 2018-12-14 | 王晓霞 | A kind of wastewater from chemical industry flocculant |
| CN113501572A (en) * | 2021-07-28 | 2021-10-15 | 扬州科苑化工有限公司 | Special flocculant for municipal refuse leachate and preparation method thereof |
| CN114314779A (en) * | 2021-12-08 | 2022-04-12 | 河北建投交通投资有限责任公司 | Flocculating agent for sewage treatment station of railway tunnel |
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Application publication date: 20160406 |