CN104261610A - Novel coagulation treatment method for chemical waste water - Google Patents
Novel coagulation treatment method for chemical waste water Download PDFInfo
- Publication number
- CN104261610A CN104261610A CN201410548598.8A CN201410548598A CN104261610A CN 104261610 A CN104261610 A CN 104261610A CN 201410548598 A CN201410548598 A CN 201410548598A CN 104261610 A CN104261610 A CN 104261610A
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- CN
- China
- Prior art keywords
- waste water
- treatment method
- coagulation treatment
- novel coagulation
- chemical wastewater
- Prior art date
- 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
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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
- C02F1/02—Treatment of water, waste water, or sewage by heating
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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
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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
- 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
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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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/33—Wastewater or sewage treatment systems using renewable energies using wind energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- 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)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a novel coagulation treatment method for chemical waste water. The method comprises the following steps: firstly, adjusting the pH value of waste water, secondly, heating, thirdly, feeding a coagulant into the waste water, fourthly, separating solid and floccule from the waste water after reaction, fifthly, feeding an alkaline substance into the waste water, so as to ensure that the pH value is greater than 9, and sixthly, boiling the waste water for 5 to 10 minutes. By adopting the mode, the method has the advantages of convenient management, simple process, wide range in application, obvious effect, high pertinence, higher efficiency and the like, and has a wide market prospect in terms of the popularization of the method.
Description
Technical field
The present invention relates to environmental protection sciemtifec and technical sphere, particularly relate to a kind of novel coagulation treatment method for chemical wastewater.
Background technology
The energy is the basis that modern society depends on for existence and development, and the supply capacity substantial connection of the energy the sustainable development of national economy, is one of basis of national strategy safety control.The situation is tense for the current energy resource supply of China, and environmental quality burden is heavy.Due to fossil energy reserves day by day reduce, oil price volatility is comparatively large, the worry to energy security problem and the concern to Global warming, development clean reproducible energy has become urgent problem, and new forms of energy industry presents high development.
Existing natural energy resources mainly comprises water energy, wind energy, sun power, tidal energy, biomass energy etc., wherein water resources occupies most of area of the earth, one of our energy of depending on for existence, along with the progress of science and technology and the development of society, trade effluent and sanitary wastewater get more and more, but the process of waste water is but gone no further, can not effectively realize science recycle.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of novel coagulation treatment method for chemical wastewater, the stability that coagulating agent destroys the small-molecule substance in waste water is added by adopting, make it condense and form floss and sedimentation, the convenient pollution substance removed in waste water, simple and convenient management, efficiency improve, and have market outlook widely popularizing of the novel coagulation treatment method for chemical wastewater.
For solving the problems of the technologies described above, the invention provides a kind of novel coagulation treatment method for chemical wastewater, comprising the following steps:
(1) measure the pH value of waste water, the pH value then adding acid or alkali adjustment waste water, between 6-9, stirs,
(2) heat: waste water is slowly heated to 40-50 DEG C,
(3) ratio uniform according to 30-50mg/L in waste water adds coagulating agent, stirs simultaneously and makes it fully mix, and then leaves standstill and treats that it condenses,
(4) after having reacted, solid is separated from waste water with floss,
(5) in waste water, adding alkaline matter makes its pH value be greater than 9, and band solid is analysed waste material and gone out rear separate solid waste material,
(6) waste water is boiled 5-10 minute to remove solubility calcium, magnesium, obtain soft water.
In a preferred embodiment of the present invention, the described acid in step (1) comprises hydrochloric acid and dilute sulphuric acid.
In a preferred embodiment of the present invention, the described alkali in step (1) comprises sodium hydroxide, potassium hydroxide, lime, calcium carbonate.
In a preferred embodiment of the present invention, the described coagulating agent in step (3) comprises Tai-Ace S 150, potassium aluminium sulfate, potassium aluminate, iron trichloride, ferrous sulfate, ferric sulfate or magnesiumcarbonate.
In a preferred embodiment of the present invention, the described alkaline matter in step (5) comprises sodium hydroxide, potassium hydroxide, lime.
The invention has the beneficial effects as follows: the present invention is used for the novel coagulation treatment method of chemical wastewater and has that simple and convenient management, flow process are simple, of many uses, successful, with strong points, efficiency put forward advantages of higher, the novel coagulation treatment method for chemical wastewater universal on have market outlook widely.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention comprises the following steps:
(1) measure the pH value of waste water, then add the pH value of acid or alkali adjustment waste water between 6-9, stir, in neutral solution, flocculating result is better,
(2) heat: waste water is slowly heated to 40-50 DEG C, be conducive to the speed and the adequacy that improve aggregation,
(3) ratio uniform according to 30-50mg/L in waste water adds coagulating agent, stirs simultaneously and makes it fully mix, and then leaves standstill and treats that it condenses, consumption is few, sufficient reacting, convenient and practical,
(4) after having reacted, solid is separated from waste water with floss,
(5) in waste water, adding alkaline matter makes its pH value be greater than 9, and make the metal ion such as iron, magnesium form solid and separate out, band solid is analysed waste material and gone out rear separate solid waste material,
(6) waste water is boiled 5-10 minute to remove solubility calcium, magnesium, obtain soft water.
Preferably, the described acid in step (1) comprises hydrochloric acid and dilute sulphuric acid.
Preferably, the described alkali in step (1) comprises sodium hydroxide, potassium hydroxide, lime, calcium carbonate.
Preferably, the described coagulating agent in step (3) comprises Tai-Ace S 150, potassium aluminium sulfate, potassium aluminate, iron trichloride, ferrous sulfate, ferric sulfate or magnesiumcarbonate.
Preferably, the described alkaline matter in step (5) comprises sodium hydroxide, potassium hydroxide, lime.
The beneficial effect that the present invention is used for the novel coagulation treatment method of chemical wastewater is:
One, in waste water, adding coagulating agent by adopting, reaching the effect of the small-molecule substance stability destroyed in waste water, make it condense and form floss and sedimentation, the convenient pollution substance removed in waste water, simple and convenient management, efficiency improve;
Two, by the main component in analytical chemistry sewage, employing method is purified liquid waste pointedly, realizes waste water reuse;
Three, by adopting heated waste water to be warming up to 40-50 DEG C, speed and the adequacy of aggregation is added.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1., for a novel coagulation treatment method for chemical wastewater, it is characterized in that, comprise the following steps:
(1) measure the pH value of waste water, the pH value then adding acid or alkali adjustment waste water, between 6-9, stirs,
(2) heat: waste water is slowly heated to 40-50 DEG C,
(3) ratio uniform according to 30-50mg/L in waste water adds coagulating agent, stirs simultaneously and makes it fully mix, and then leaves standstill and treats that it condenses,
(4) after having reacted, solid is separated from waste water with floss,
(5) in waste water, adding alkaline matter makes its pH value be greater than 9, and band solid is analysed waste material and gone out rear separate solid waste material,
(6) waste water is boiled 5-10 minute to remove solubility calcium, magnesium, obtain soft water.
2. the novel coagulation treatment method for chemical wastewater according to claim 1, is characterized in that, the described acid in step (1) comprises hydrochloric acid and dilute sulphuric acid.
3. the novel coagulation treatment method for chemical wastewater according to claim 1, is characterized in that, the described alkali in step (1) comprises sodium hydroxide, potassium hydroxide, lime, calcium carbonate.
4. the novel coagulation treatment method for chemical wastewater according to claim 1, is characterized in that, the described coagulating agent in step (3) comprises Tai-Ace S 150, potassium aluminium sulfate, potassium aluminate, iron trichloride, ferrous sulfate, ferric sulfate or magnesiumcarbonate.
5. the novel coagulation treatment method for chemical wastewater according to claim 1, is characterized in that, the described alkaline matter in step (5) comprises sodium hydroxide, potassium hydroxide, lime.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410548598.8A CN104261610A (en) | 2014-10-17 | 2014-10-17 | Novel coagulation treatment method for chemical waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410548598.8A CN104261610A (en) | 2014-10-17 | 2014-10-17 | Novel coagulation treatment method for chemical waste water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104261610A true CN104261610A (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410548598.8A Pending CN104261610A (en) | 2014-10-17 | 2014-10-17 | Novel coagulation treatment method for chemical waste water |
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| CN (1) | CN104261610A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083404A (en) * | 2018-01-23 | 2018-05-29 | 辽宁好立自动化机械设备有限公司 | Environment-friendly novel carwash circulating water flocculating and purifying powder |
| CN109173984A (en) * | 2018-08-14 | 2019-01-11 | 华南理工大学 | A method of Pb In Exhausted Water is removed using composite material |
| CN111943425A (en) * | 2020-09-14 | 2020-11-17 | 安徽清扬水处理设备科技有限公司 | Method for separating pollutants in landfill leachate |
Citations (5)
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|---|---|---|---|---|
| CN101254984A (en) * | 2008-04-14 | 2008-09-03 | 唐山市华锋实业有限公司 | Centralized processing technique for slop oil and acidic oil and processing system thereof |
| CN201424406Y (en) * | 2009-06-26 | 2010-03-17 | 陈兆喜 | Domestic hard water softener |
| CN101898058A (en) * | 2010-07-22 | 2010-12-01 | 淮阴工学院 | Preparation method of low-temperature sintered attapulgite-based direct drinking water filter material |
| KR101273088B1 (en) * | 2012-12-13 | 2013-06-17 | 주식회사 니드 | Treatment system of food waste leachate |
| CN103553246A (en) * | 2013-11-21 | 2014-02-05 | 武汉森泰环保工程有限公司 | Device and method for softening hard water by using carbon dioxide in flue gas |
-
2014
- 2014-10-17 CN CN201410548598.8A patent/CN104261610A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254984A (en) * | 2008-04-14 | 2008-09-03 | 唐山市华锋实业有限公司 | Centralized processing technique for slop oil and acidic oil and processing system thereof |
| CN201424406Y (en) * | 2009-06-26 | 2010-03-17 | 陈兆喜 | Domestic hard water softener |
| CN101898058A (en) * | 2010-07-22 | 2010-12-01 | 淮阴工学院 | Preparation method of low-temperature sintered attapulgite-based direct drinking water filter material |
| KR101273088B1 (en) * | 2012-12-13 | 2013-06-17 | 주식회사 니드 | Treatment system of food waste leachate |
| CN103553246A (en) * | 2013-11-21 | 2014-02-05 | 武汉森泰环保工程有限公司 | Device and method for softening hard water by using carbon dioxide in flue gas |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108083404A (en) * | 2018-01-23 | 2018-05-29 | 辽宁好立自动化机械设备有限公司 | Environment-friendly novel carwash circulating water flocculating and purifying powder |
| CN109173984A (en) * | 2018-08-14 | 2019-01-11 | 华南理工大学 | A method of Pb In Exhausted Water is removed using composite material |
| CN111943425A (en) * | 2020-09-14 | 2020-11-17 | 安徽清扬水处理设备科技有限公司 | Method for separating pollutants in landfill leachate |
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Application publication date: 20150107 |