CN104176853A - Water treatment method based on joint application of potassium permanganate and attapulgite clay - Google Patents
Water treatment method based on joint application of potassium permanganate and attapulgite clay Download PDFInfo
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- CN104176853A CN104176853A CN201410408079.1A CN201410408079A CN104176853A CN 104176853 A CN104176853 A CN 104176853A CN 201410408079 A CN201410408079 A CN 201410408079A CN 104176853 A CN104176853 A CN 104176853A
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- potassium permanganate
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Abstract
The invention discloses a water treatment method based on a joint application of potassium permanganate and attapulgite clay. The water treatment method comprises the following steps: feeding raw water into a water-collecting well, taking water from the water-collecting well by virtue of a water taking pump house, adding a coagulant alum into the water and then feeding the water into a reciprocating reflux baffle reaction tank; degrading organic matters and inhibiting growth of algae in the water by virtue of the potassium permanganate in the reciprocating reflux baffle reaction tank, and then feeding the water into a horizontal flow sedimentation tank and a rapid filtering tank; adding chlorine into the water treated in the rapid filtering tank and feeding the water into a clean water tank, and facilitating the water to enter pipe networks by virtue of the clean water tank through a water conveying pump house. The method is characterized in that the attapulgite clay and the potassium permanganate are jointly applied in the reciprocating reflux baffle reaction tank, i.e., the potassium permanganate with the adding mount of 0.5mg/L is firstly added into the most inner circle of the reciprocating reflux baffle reaction tank, and then the attapulgite clay with the adding mount of 10-60mg/L is added into the most outer circle of the reciprocating reflux baffle reaction tank after an interval of 10 to 15 minutes. The method is simple, easy to operate, stable in running, easily available in raw materials and obvious in water treatment effect, and realizes consumption reduction.
Description
Technical field
The present invention relates to water treatment method, be specifically related to the water treatment method of a kind of potassium permanganate and attapulgite clay coupling.
Background technology
Waterworks is concentrated and is adopted water and process rear for urban pipe network, its water treatment procedure is normally: former water flows into pump well, water plant from pump well fetch water and add coagulating agent alum be sent to multiple backflow partition plate reaction tank, at reciprocal backflow partition plate reaction tank by potassium permanganate degradation of organic substances, suppress algal grown, send into again horizontal sedimentation tank and rapid filter, water after rapid filter is processed adds chlorine and sends into clean water basin, by clean water basin, through conveying pump room, enters pipe network.
Existing conventional water treatment method, can run into following problem in process of production: the one,
When the head shank algae of diatom class is broken out in former water, bring sizable difficulty will to conventional water treatment, cause sedimentation effect poor, the filter tank cycle of operation shortens, and water-yielding capacity declines, and effluent water quality can not be guaranteed, and has seriously hindered safety water supply; The 2nd, by the former water of colourity severe contamination, although clearance declines to some extent after conventional processing, but still cannot guarantee that effluent water quality colourity reaches drinking water standard requirement; The 3rd, when water-distribution station turns over water or heavy rain is let out under contaminated foreign water season, easily make the native musty of former water generates II-III level, after liquid chlorine disinfection, peculiar smell is more obvious, causes resident's complaint; The 4th, the former water in low-temperature and low turbidity season, the alumen ustum forming after dosing coagulant is tiny loose, is difficult for precipitation, has reduced the cycle of operation in filter tank, and effluent water quality can not be guaranteed.
Summary of the invention
The object of the invention is to: the water treatment method that a kind of potassium permanganate and attapulgite clay coupling are provided, this water treatment method adopts attapulgite clay and potassium permanganate coupling, the potassium permanganate degradation of organic substances of strong oxidizer, inhibition algal grown, by attapulgite clay decolouring, deodorizing, taste removal, removing heavy metals ion and carcinogenic substance, both are complementary, synergy, improves water treatment effect, guarantees the water quality of output water.
Technical solution of the present invention is that this water treatment method comprises the following steps: former water flows into pump well, water plant from pump well fetch water and add coagulating agent alum be sent to multiple backflow partition plate reaction tank; At reciprocal backflow partition plate reaction tank by potassium permanganate degradation of organic substances, suppress algal grown, then send into horizontal sedimentation tank and rapid filter; Water after rapid filter is processed adds chlorine and sends into clean water basin, by clean water basin, through conveying pump room, enters pipe network; It is characterized in that: back and forth in backflow partition plate reaction tank, adopting attapulgite clay and potassium permanganate coupling, first the innermost circle at reciprocal backflow partition plate reaction tank adds potassium permanganate, and potassium permanganate dosage is 0.5mg/L; After interval 10-15 minute, then add attapulgite clay in the outmost turns of reciprocal backflow partition plate reaction tank, attapulgite clay dosage is 10-60mg/L.
Advantage of the present invention is: this water treatment method technique is simple, and processing ease, operates steadily, and raw material is easy to get, and reduces and consumes all, and water treatment effect is remarkable, guarantees to dispatch from the factory water quality.
Embodiment
Below in conjunction with specific embodiment, further illustrate technical solution of the present invention, these embodiment can not be interpreted as it is the restriction to technical scheme.
Embodiment 1: the removal to shank algae and chlorella
Former water flows into pump well, water plant from pump well fetch water and add coagulating agent alum be sent to multiple backflow partition plate reaction tank; First the innermost circle at reciprocal backflow partition plate reaction tank adds potassium permanganate, and potassium permanganate dosage is 0.5mg/L; Behind 10 minutes, interval, then add attapulgite clay in the outmost turns of reciprocal backflow partition plate reaction tank, attapulgite clay dosage is respectively 25mg/L, 30mg/L, 35mg/L; Send into again horizontal sedimentation tank and rapid filter; Water after rapid filter is processed adds chlorine and sends into clean water basin, by clean water basin, through conveying pump room, enters pipe network.
After Spot detection, obvious to the removal effect of shank algae and chlorella after testing.The clearance of contrast shank algae can reach 85% left and right, and the cycle of operation in filter tank was brought up to 15 ~ 20 hours by original 1 ~ 3 hour, and effluent water quality is also stabilized in below 0.6NTU, the consumption of coagulating agent 30% left and right that can decline.In Table one.
Table one: for the removal effect of shank algae and chlorella
Embodiment 2: the removal to colourity
Former water flows into pump well, water plant from pump well fetch water and add coagulating agent alum be sent to multiple backflow partition plate reaction tank; First the innermost circle at reciprocal backflow partition plate reaction tank adds potassium permanganate, and potassium permanganate dosage is 0.5mg/L; Behind 12 minutes, interval, then add attapulgite clay in the outmost turns of reciprocal backflow partition plate reaction tank, attapulgite clay dosage is respectively 20mg/L, 30mg/L, 40mg/L, 50mg/L, 60mg/L, 70mg/L; Send into again horizontal sedimentation tank and rapid filter; Water after rapid filter is processed adds chlorine and sends into clean water basin, by clean water basin, through conveying pump room, enters pipe network.
Spot detection, remarkable to the removal effect of colourity after testing, in Table two.
Table two: the removal effect to colourity
Embodiment 3: the removal to peculiar smell
Former water flows into pump well, water plant from pump well fetch water and add coagulating agent alum be sent to multiple backflow partition plate reaction tank; First the innermost circle at reciprocal backflow partition plate reaction tank adds potassium permanganate, and potassium permanganate dosage is 0.5mg/L; Behind 12 minutes, interval, then add attapulgite clay in the outmost turns of reciprocal backflow partition plate reaction tank, attapulgite clay dosage is respectively 15mg/L, 20mg/L, 25mg/L; Send into again horizontal sedimentation tank and rapid filter; Water after rapid filter is processed adds chlorine and sends into clean water basin, by clean water basin, through conveying pump room, enters pipe network.
After Spot detection, remarkable to the removal effect of peculiar smell after testing, in Table three.
Table three: the removal effect to peculiar smell
Embodiment 4: the removal to turbidity
Former water flows into pump well, water plant from pump well fetch water and add coagulating agent alum be sent to multiple backflow partition plate reaction tank; First the innermost circle at reciprocal backflow partition plate reaction tank adds potassium permanganate, and potassium permanganate dosage is 0.5mg/L; Behind 15 minutes, interval, then add attapulgite clay in the outmost turns of reciprocal backflow partition plate reaction tank, attapulgite clay dosage is 10mg/L; Send into again horizontal sedimentation tank and rapid filter; Water after rapid filter is processed adds chlorine and sends into clean water basin, by clean water basin, through conveying pump room, enters pipe network.
Suitably adding attapulgite clay (10mg/L) just can make the alumen ustum in reaction tank exit be become and be weighed and closely knit alumen ustum by tiny loose shape, and mud-water separation is clear, the retaining power in filter tank 35% left and right of rising, after filter, water turbidity is stabilized between 0.25-0.5NTU, also can save coagulating agent approximately 30%.After Spot detection, remarkable to the removal effect of turbidity after testing, in Table four.
Table four: the removal effect to turbidity
Claims (1)
1. the water treatment method of potassium permanganate and attapulgite clay coupling, this water treatment method comprises the following steps: former water flows into pump well, water plant from pump well fetch water and add coagulating agent alum be sent to multiple backflow partition plate reaction tank; At reciprocal backflow partition plate reaction tank by potassium permanganate degradation of organic substances, suppress algal grown, then send into horizontal sedimentation tank and rapid filter; Water after rapid filter is processed adds chlorine and sends into clean water basin, by clean water basin, through conveying pump room, enters pipe network; It is characterized in that: back and forth in backflow partition plate reaction tank, adopting attapulgite clay and potassium permanganate coupling, first the innermost circle at reciprocal backflow partition plate reaction tank adds potassium permanganate, and potassium permanganate dosage is 0.5mg/L; After interval 10-15 minute, then add attapulgite clay in the outmost turns of reciprocal backflow partition plate reaction tank, attapulgite clay dosage is 10-60mg/L.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410408079.1A CN104176853A (en) | 2014-08-19 | 2014-08-19 | Water treatment method based on joint application of potassium permanganate and attapulgite clay |
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| CN201410408079.1A CN104176853A (en) | 2014-08-19 | 2014-08-19 | Water treatment method based on joint application of potassium permanganate and attapulgite clay |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327984A (en) * | 2008-07-15 | 2008-12-24 | 南通立源水处理技术有限公司 | Multiple-effect pollute-removing water purification agent and use method thereof |
| CN203474558U (en) * | 2013-08-23 | 2014-03-12 | 浙江省环境保护科学设计研究院 | Tail end system for treating wastewater so as to realize emission on standard |
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2014
- 2014-08-19 CN CN201410408079.1A patent/CN104176853A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327984A (en) * | 2008-07-15 | 2008-12-24 | 南通立源水处理技术有限公司 | Multiple-effect pollute-removing water purification agent and use method thereof |
| CN203474558U (en) * | 2013-08-23 | 2014-03-12 | 浙江省环境保护科学设计研究院 | Tail end system for treating wastewater so as to realize emission on standard |
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Application publication date: 20141203 |