CN106630401A - Wastewater comprehensive treatment method - Google Patents
Wastewater comprehensive treatment method Download PDFInfo
- Publication number
- CN106630401A CN106630401A CN201611105363.7A CN201611105363A CN106630401A CN 106630401 A CN106630401 A CN 106630401A CN 201611105363 A CN201611105363 A CN 201611105363A CN 106630401 A CN106630401 A CN 106630401A
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- Prior art keywords
- rainwater
- wastewater
- value
- water
- pond
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a wastewater comprehensive treatment method. The method comprises the following steps: performing former treatment of domestic wastewater, and adjusting the PH value of the domestic wastewater, so as to ensure that heavy metal in a dissolved state in the domestic wastewater is precipitated; performing former treatment of initial rainwater, and adjusting the PH value of the rainwater, so as to ensure that heavy metal at dissolved state in the rainwater is precipitated, and gathering suspended solids in the rainwater through a coagulation reagent; performing former treatment of domestic sewage, and degrading solid waste organism in the domestic sewage through a microbial agent; performing post comprehensive treatment, pumping treated water into a sedimentation basin, so as to be sufficiently precipitated, and ensuring that treated water meeting standards is isolated. The method can effectively remove various heavy metal ions, such as chromium, arsenic, nickel, mercury, lead and zinc ion, in wastewater, so as to enable the discharged wastewater to meet the standards, is short in technology processing flow and high in economic efficiency, has higher heavy metal removal rate, and can realize the recycling and reuse of wastewater.
Description
Technical field
The present invention relates to a kind of comprehensive treatment method for wastewater.
Background technology
Common are harmful heavy metal element has these heavy metals such as chromium, arsenic, nickel, mercury, lead, zinc and its compound to move in water body
A generation metamorphosis, will not disappear during transferization, be cumulative toxicant, all have poison to plant or to human body
Evil effect.Plant is mainly absorbed into plant body by plant root, it is excessive then directly affect growing for plant, sternly
Cause the withered and dead of plant during weight, for the human body, harmful heavy metal can also enter human body by approach such as skins, and
Mainly remain in the organ-tissues such as liver, kidney and brain, when excessive then to these human organs cause poison, work(is caused when serious
Can damage until completely losing.In addition some elements can with the functional groups in the protease and amino acid with human body,
The many biochemical and physiological activities of interference body, ultimately cause human body and various diseases occur, and greatly threat is caused to human health.
There is to the process of waste water problems with prior art, PROCESS FOR TREATMENT long flow path, business efficiency is not high, and heavy metal removing rate is not
It is preferable.
The content of the invention
The present invention provides a kind of comprehensive treatment method for wastewater, can effectively remove chromium, arsenic, nickel, mercury, lead, the zinc in waste water
Etc. contents of many kinds of heavy metal ion, discharged wastewater met the national standard is made, PROCESS FOR TREATMENT flow process is short, business efficiency is high, goes with higher heavy metal
Except rate, and it is capable of achieving the recycling of waste water.
To solve above-mentioned technical problem, the technical scheme is that：A kind of comprehensive treatment method for wastewater, including following step
Suddenly,
The early stage of sanitary wastewater is processed：
Step A will produce wastewater collection in effluent storage pond；
Production waste water in effluent storage pond is conveyed through grid retention and is filtered after solid matter by step B, is delivered to useless
Water treating pond；
Step C adjusts the pH value of the sanitary wastewater in purification tank for liquid waste, makes the heavy metal in dissolved state in sanitary wastewater
Precipitation；
The early stage of early-stage rainwater is processed：
In the rainwater storage pool that step D collects early-stage rainwater,
Early-stage rainwater in rainwater storage pool is conveyed through grid retention and is filtered after solid matter by step E, is delivered to rain
Water treating pond；
Step F adjusts the pH value of the rainwater in rainwater treatment pond, makes the heavy metal precipitation in dissolved state in rainwater；
Step G is pumped into coagulated agent in the rainwater treatment pond after step F is processed, and assembles the suspension in rainwater；
The early stage of sanitary sewage is processed：
Step H is by Domestic sewage collecting to sewage storage pool；
Sanitary sewage in sewage storage pool is conveyed through grid retention and is filtered after solid matter by step I, is delivered to dirt
Water treating pond；
Step J is added to microbial bacterial agent in treatment tank, and the solid waste biology in sanitary sewage is dropped
Solution；
Later stage integrated treatment：
Water after the process of step C, step G and step J is pumped into sedimentation basin and is fully precipitated by step K, is isolated and is met
The process water of standard.
Used as preferred technical scheme, step C specially detects the pH value of the sanitary wastewater in purification tank for liquid waste, such as
Fruit pH value ＞ 7.5, then add the pH value that acid substance adjusts the sanitary wastewater in purification tank for liquid waste, if pH value ＜ 6.5, adds
Alkaloid substance adjusts the pH value of the sanitary wastewater in purification tank for liquid waste, until the pH value of sanitary wastewater is neutralized into 6.5～7.5, makes
The heavy metal in dissolved state is transformed into insoluble metallic compound or element in sanitary wastewater.
Used as preferred technical scheme, step F specially detects the pH value of the rainwater in rainwater treatment pond, if PH
Value ＞ 7.5, then add the pH value that acid substance adjusts the rainwater in rainwater treatment pond, if pH value ＜ 6.5, addition alkaloid substance is adjusted
The pH value of the rainwater in section rainwater treatment pond, until the pH value of rainwater is neutralized into 6.5～7.5, makes in sanitary wastewater in dissolving
The heavy metal of state is transformed into insoluble metallic compound or element.
As the improvement to above-mentioned technical proposal, the grid of the grid of step B, step E and step I
Stripe pitch is 2～5mm.
As the improvement to above-mentioned technical proposal, after microbial bacterial agent is added into step C or step G process
Water in, the solid waste biology in water is degraded.
Used as the further improvement to above-mentioned technical proposal, coagulated agent described in step G is in aluminium salt or molysite
At least one mixing with least one of quick lime or activated silicic acid.
Used as the further improvement to above-mentioned technical proposal, the treatment tank of step J is aeration tank.
As the further improvement to above-mentioned technical proposal, the process water of step K was carried out using adsorption activity agent
After filter absorption, then disinfection, obtain meeting the water of discharge standard.
Used as the further improvement to above-mentioned technical proposal, the adsorption activity agent is activated coke.
Used as the further improvement to above-mentioned technical proposal, the water to meeting discharge standard carries out recycling.
As a result of above-mentioned technical proposal, the present invention can effectively remove chromium, arsenic, nickel, mercury, lead, zinc in waste water etc.
Contents of many kinds of heavy metal ion, makes discharged wastewater met the national standard, and PROCESS FOR TREATMENT flow process is short, and business efficiency is high, with higher heavy metals removal
Rate, and it is capable of achieving the recycling of waste water.
Description of the drawings
The following drawings is only intended in schematic illustration and explanation is done to the present invention, is not delimit the scope of the invention.Wherein：
Fig. 1 is the process flow diagram of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is expanded on further.In the following detailed description, only by explanation
Mode describes some one exemplary embodiments of the present invention.Undoubtedly, one of ordinary skill in the art will recognize,
In the case of without departing from the spirit and scope of the present invention, can be being repaiied to described embodiment with a variety of modes
Just.Therefore, accompanying drawing and description are inherently illustrative, rather than for limiting scope of the claims.
As long as additionally, technical characteristic involved in invention described below each embodiment non-structure each other
Just can be mutually combined into conflict.
As shown in figure 1, a kind of comprehensive treatment method for wastewater, comprises the following steps,
The early stage of sanitary wastewater is processed：
Step A will produce wastewater collection in effluent storage pond；
Production waste water in effluent storage pond is conveyed through grid retention and is filtered after solid matter by step B, is delivered to useless
Water treating pond；
Step C adjusts the pH value of the sanitary wastewater in purification tank for liquid waste, makes the heavy metal in dissolved state in sanitary wastewater
Precipitation；
The early stage of early-stage rainwater is processed：
In the rainwater storage pool that step D collects early-stage rainwater,
Early-stage rainwater in rainwater storage pool is conveyed through grid retention and is filtered after solid matter by step E, is delivered to rain
Water treating pond；
Step F adjusts the pH value of the rainwater in rainwater treatment pond, makes the heavy metal precipitation in dissolved state in rainwater；
Step G is pumped into coagulated agent in the rainwater treatment pond after step F is processed, and assembles the suspension in rainwater；
The early stage of sanitary sewage is processed：
Step H is by Domestic sewage collecting to sewage storage pool；
Sanitary sewage in sewage storage pool is conveyed through grid retention and is filtered after solid matter by step I, is delivered to dirt
Water treating pond；
Step J is added to microbial bacterial agent in treatment tank, and the solid waste biology in sanitary sewage is dropped
Solution；
Later stage integrated treatment：
Water after the process of step C, step G and step J is pumped into sedimentation basin and is fully precipitated by step K, is isolated and is met
The process water of standard.
Step C specially detects the pH value of the sanitary wastewater in purification tank for liquid waste, if pH value ＞ 7.5, the sour thing of addition
Matter adjusts the pH value of the sanitary wastewater in purification tank for liquid waste, if pH value ＜ 6.5, addition alkaloid substance is adjusted in purification tank for liquid waste
Sanitary wastewater pH value, until the pH value of sanitary wastewater is neutralized into 6.5～7.5, make in sanitary wastewater in dissolved state
Heavy metal is transformed into insoluble metallic compound or element.Above-mentioned steps turn quickly the heavy metal ion in sanitary wastewater
Become metal precipitates, be conducive to removing the contents of many kinds of heavy metal ion such as chromium, arsenic, nickel, mercury, lead, zinc in waste water.
Step F specially detects the pH value of the rainwater in rainwater treatment pond, if pH value ＞ 7.5, addition acid substance is adjusted
The pH value of the rainwater in section rainwater treatment pond, if pH value ＜ 6.5, addition alkaloid substance adjusts the rainwater in rainwater treatment pond
PH value, until the pH value of rainwater is neutralized into 6.5～7.5, is transformed into the heavy metal in dissolved state in sanitary wastewater insoluble
Metallic compound or element.Above-mentioned steps can quickly make the heavy metal ion in rainwater be transformed into metal precipitates, favorably
The contents of many kinds of heavy metal ion such as chromium, arsenic, nickel, mercury, lead, the zinc in removal waste water.
The interval of grid strip of the grid of step B, step E and step I is 2～5mm, the thicker drift that grid can be in trap water
Float and suspension, such as leaf, pericarp, fiber, are to mitigate subsequent treatment load.
In water after microbial bacterial agent is added into step C or the process of step G, the solid waste biology in water is dropped
Solution.Microbial bacterial agent can make the solid waste biology fast degradation in water, and no longer produce foul smell in whole processing procedure.
Microbial bacterial agent is to those skilled in the art known technology, be will not be described here.
Coagulated agent is that at least one of aluminium salt or molysite are mixed with least one of quick lime or activated silicic acid in step G
Close.Coagulated agent assembles can the suspension in rainwater, be easy to precipitate or filter out.
The treatment tank of step J is aeration tank, and aeration tank can make solid waste biodegradation rate in waste water big
It is big to accelerate.
The process water of step K is carried out after filtration absorption using adsorption activity agent, then disinfection, obtain meeting row
Put the water of standard.Adsorption activity agent is activated coke.Above-mentioned process can be further processed to water.
Water to meeting discharge standard carries out recycling, can be by the water for meeting discharge standard for flushing the toilet, pour
Deng domestic water, be conducive to the recycling of water resource.
The present embodiment can effectively remove the contents of many kinds of heavy metal ion such as chromium, arsenic, nickel, mercury, lead, the zinc in waste water, make waste water
Qualified discharge, PROCESS FOR TREATMENT flow process is short, and business efficiency is high, with higher heavy metal removing rate, and is capable of achieving the recovery of waste water
Recycle.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and specification this
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement is both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and its
Equivalent thereof.
Claims (10)
1. a kind of comprehensive treatment method for wastewater, it is characterised in that comprise the following steps,
The early stage of sanitary wastewater is processed：
Step A will produce wastewater collection in effluent storage pond；
Production waste water in effluent storage pond is conveyed through grid retention and is filtered after solid matter by step B, is delivered at waste water
Reason pond；
Step C adjusts the pH value of the sanitary wastewater in purification tank for liquid waste, makes the heavy metal precipitation in dissolved state in sanitary wastewater；
The early stage of early-stage rainwater is processed：
In the rainwater storage pool that step D collects early-stage rainwater,
Early-stage rainwater in rainwater storage pool is conveyed through grid retention and is filtered after solid matter by step E, is delivered at rainwater
Reason pond；
Step F adjusts the pH value of the rainwater in rainwater treatment pond, makes the heavy metal precipitation in dissolved state in rainwater；
Step G is pumped into coagulated agent in the rainwater treatment pond after step F is processed, and assembles the suspension in rainwater；
The early stage of sanitary sewage is processed：
Step H is by Domestic sewage collecting to sewage storage pool；
Sanitary sewage in sewage storage pool is conveyed through grid retention and is filtered after solid matter by step I, is delivered at sewage
Reason pond；
Step J is added to microbial bacterial agent in treatment tank, and the solid waste biology in sanitary sewage is degraded；
Later stage integrated treatment：
Water after the process of step C, step G and step J is pumped into sedimentation basin and is fully precipitated by step K, is isolated and is met standard
Process water.
2. comprehensive treatment method for wastewater as claimed in claim 1, it is characterised in that：Step C is specially detected at waste water
The pH value of the sanitary wastewater in reason pond, if pH value ＞ 7.5, addition acid substance adjusts the sanitary wastewater in purification tank for liquid waste
PH value, if pH value ＜ 6.5, adds the pH value that alkaloid substance adjusts the sanitary wastewater in purification tank for liquid waste, until life is useless
The pH value of water is neutralized to 6.5～7.5, make the heavy metal in dissolved state in sanitary wastewater be transformed into insoluble metallic compound or
Element.
3. comprehensive treatment method for wastewater as claimed in claim 1, it is characterised in that：Step F is specially detected at rainwater
The pH value of the rainwater in reason pond, if pH value ＞ 7.5, adds the pH value that acid substance adjusts the rainwater in rainwater treatment pond, such as
Fruit pH value ＜ 6.5, then add alkaloid substance and adjust the pH value of the rainwater in rainwater treatment pond, until the pH value of rainwater is neutralized to
6.5～7.5, make the heavy metal in dissolved state in sanitary wastewater be transformed into insoluble metallic compound or element.
4. comprehensive treatment method for wastewater as claimed in claim 1, it is characterised in that：Step B, step E and described
The interval of grid strip of the grid of step I is 2～5mm.
5. comprehensive treatment method for wastewater as claimed in claim 1, it is characterised in that：Microbial bacterial agent is added into the step
In water after the process of C or described steps G, the solid waste biology in water is degraded.
6. comprehensive treatment method for wastewater as claimed in claim 1, it is characterised in that：Coagulated agent is described in step G
The mixing of at least one of aluminium salt or molysite and at least one of quick lime or activated silicic acid.
7. comprehensive treatment method for wastewater as claimed in claim 1, it is characterised in that：The treatment tank of step J
For aeration tank.
8. the comprehensive treatment method for wastewater as described in any one of claim 1 to 7, it is characterised in that：Using adsorption activity agent pair
The process water of step K is carried out after filtration absorption, then disinfection, obtains meeting the water of discharge standard.
9. comprehensive treatment method for wastewater as claimed in claim 8, it is characterised in that：The adsorption activity agent is activated coke.
10. comprehensive treatment method for wastewater as claimed in claim 9, it is characterised in that：Water to meeting discharge standard is carried out back
Receive and recycle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105363.7A CN106630401A (en) | 2016-12-05 | 2016-12-05 | Wastewater comprehensive treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105363.7A CN106630401A (en) | 2016-12-05 | 2016-12-05 | Wastewater comprehensive treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106630401A true CN106630401A (en) | 2017-05-10 |
Family
ID=58818530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611105363.7A Pending CN106630401A (en) | 2016-12-05 | 2016-12-05 | Wastewater comprehensive treatment method |
Country Status (1)
| Country | Link |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107098545A (en) * | 2017-06-30 | 2017-08-29 | 合肥万力轮胎有限公司 | Comprehensive water treatment system |
| CN107986350A (en) * | 2017-12-17 | 2018-05-04 | 成都育芽科技有限公司 | One kind is used for the separated processing unit of rain and impurity |
| CN111413941A (en) * | 2020-04-30 | 2020-07-14 | 北京博纳菲德科技有限公司 | Industrial circulation energy-saving water supply and drainage control system |
| CN114560601A (en) * | 2022-03-21 | 2022-05-31 | 绍兴春润环境工程有限公司 | Rainwater collecting, treating and lifting process |
| CN114873777A (en) * | 2022-04-25 | 2022-08-09 | 杭州临江环境能源有限公司 | Comprehensive sewage treatment system containing medical wastewater and sewage treatment process |
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| CN106007074A (en) * | 2016-07-04 | 2016-10-12 | 广西壮族自治区环境保护科学研究院 | Lead-zinc smelting wastewater treatment method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009000587A (en) * | 2007-06-19 | 2009-01-08 | Miura Co Ltd | Toxic element adsorbent |
| CN102093975A (en) * | 2010-12-13 | 2011-06-15 | 王杰 | Composite fungicide for rapid degradation of organic waste and applications thereof |
| CN102491594A (en) * | 2011-12-13 | 2012-06-13 | 厦门大学 | Multifunctional stereo comprehensive treatment and recycling system for urban sewage |
| CN204151203U (en) * | 2014-09-29 | 2015-02-11 | 广西壮族自治区环境保护科学研究院 | A kind of dangerous waste disposal center Waste Water Treatment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107098545A (en) * | 2017-06-30 | 2017-08-29 | 合肥万力轮胎有限公司 | Comprehensive water treatment system |
| CN107986350A (en) * | 2017-12-17 | 2018-05-04 | 成都育芽科技有限公司 | One kind is used for the separated processing unit of rain and impurity |
| CN111413941A (en) * | 2020-04-30 | 2020-07-14 | 北京博纳菲德科技有限公司 | Industrial circulation energy-saving water supply and drainage control system |
| CN114560601A (en) * | 2022-03-21 | 2022-05-31 | 绍兴春润环境工程有限公司 | Rainwater collecting, treating and lifting process |
| CN114873777A (en) * | 2022-04-25 | 2022-08-09 | 杭州临江环境能源有限公司 | Comprehensive sewage treatment system containing medical wastewater and sewage treatment process |
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