CN106186426A - A kind of micro heavy micro-catalysis oxidized waste water processes technique - Google Patents
A kind of micro heavy micro-catalysis oxidized waste water processes technique Download PDFInfo
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- CN106186426A CN106186426A CN201610670918.6A CN201610670918A CN106186426A CN 106186426 A CN106186426 A CN 106186426A CN 201610670918 A CN201610670918 A CN 201610670918A CN 106186426 A CN106186426 A CN 106186426A
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- Prior art keywords
- waste water
- micro
- heavy
- micro heavy
- processes technique
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- 239000002351 wastewater Substances 0.000 title claims abstract description 84
- 238000000034 method Methods 0.000 title claims abstract description 64
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 20
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 25
- 238000001914 filtration Methods 0.000 claims abstract description 23
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 14
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims abstract description 14
- ZKQDCIXGCQPQNV-UHFFFAOYSA-N Calcium hypochlorite Chemical compound [Ca+2].Cl[O-].Cl[O-] ZKQDCIXGCQPQNV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004155 Chlorine dioxide Substances 0.000 claims abstract description 7
- 239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 7
- 235000019398 chlorine dioxide Nutrition 0.000 claims abstract description 7
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000009287 sand filtration Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 6
- 238000009288 screen filtration Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 39
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract description 14
- 239000011133 lead Substances 0.000 abstract description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052804 chromium Inorganic materials 0.000 abstract description 7
- 239000011651 chromium Substances 0.000 abstract description 7
- 229910052759 nickel Inorganic materials 0.000 abstract description 7
- 229910052712 strontium Inorganic materials 0.000 abstract description 7
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 abstract description 7
- 239000011701 zinc Substances 0.000 abstract description 7
- 229910052725 zinc Inorganic materials 0.000 abstract description 7
- 239000000693 micelle Substances 0.000 description 12
- 239000003054 catalyst Substances 0.000 description 11
- 238000005189 flocculation Methods 0.000 description 4
- 230000016615 flocculation Effects 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- -1 (trivalent) Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C02F1/52—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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
Abstract
The invention discloses a kind of micro heavy micro-catalysis oxidized waste water and process technique, comprise the steps of and ferrum oxide and/or manganese oxide powder are coated the filter element to wastewater filtering device；Ferrum oxide and/or the Strong oxdiative thing solution that manganese oxide powder mass concentration is 0.1 0.2ppm activate, Strong oxdiative thing be hydrogen peroxide, chlorine dioxide, sodium hypochlorite, calcium hypochlorite, in one；Micro heavy waste water adds NaOH and regulates pH value, makes pH value be maintained at 7.5 8；It is 0.01 0.05% flocculant that micro heavy waste water adds mass fraction；Micro heavy waste water is pumped into wastewater filtering device.By above treatment measures, it is achieved the process of micro heavy waste water so that the heavy metals such as nickel, zinc, lead, chromium (trivalent), strontium are less than 0.1ppm.
Description
Technical field
The present invention relates to a kind of waste water treatment process, particularly to science and engineering at a kind of micro heavy micro-catalysis oxidized waste water
Skill.
Background technology
The heavy metal wastewater therebies such as nickel, zinc, lead, chromium (trivalent), strontium cause harm greatly to society, and heavy metal contains
Measure higher waste water to process, content of beary metal is reduced to a certain degree be relatively easy to, but be intended to heavy metal to contain
Measure relatively low waste water to process further, reduce the content of heavy metal the most further, either on technical still cost, all
It is faced with difficult selection.
Traditional heavy metal waste water treatment process such as chemical precipitation method, electrolysis, extraction, absorption method, membrane separation process, life
All there is the limitation such as investment height, operating cost height, complex management, poor effect, secondary pollution in thing methods etc..For a trace huge sum of money
Belong to waste water, reduce further the content of heavy metal in waste water, significant to built environment friendly society.
Summary of the invention
It is an object of the invention to provide a kind of micro heavy micro-catalysis oxidized waste water and process technique, thus remove efficiently
The heavy metals such as nickel in waste water, zinc, lead, chromium (trivalent), strontium.
The technical scheme is that a kind of micro heavy micro-catalysis oxidized waste water processes technique, comprise the steps of
Ferrum oxide and/or manganese oxide powder are coated the filter element to wastewater filtering device, in order to increase oxidant catalyst and waste water
Being fully contacted, add specific surface area by the hole of filter element, meanwhile, also due to catalyst is powder, specific surface area is big, with
Sample adds the contact area of waste water；Ferrum oxide and/or the Strong oxdiative thing that manganese oxide powder mass concentration is 0.1-0.2ppm
Solution activates, Strong oxdiative thing be hydrogen peroxide, chlorine dioxide, sodium hypochlorite, calcium hypochlorite, in one, with increase a huge sum of money
The settling velocity belonged to；Micro heavy waste water adds NaOH and regulates pH value, makes pH value be maintained at 7.5-8, in the environment of alkalescence,
Heavy metal starts flocculation, forms micelle；It is 0.01-0.05% flocculant that micro heavy waste water adds mass fraction, makes a huge sum of money
Belong to the micelle formed to flocculate further, form bigger micelle；Micro heavy waste water is pumped into wastewater filtering device.
By above treatment measures, it is achieved the process of micro heavy waste water so that nickel, zinc, lead, chromium (trivalent), strontium etc.
Heavy metal is less than 0.1ppm.
Further, in order to preferably process waste water, filter element is filter screen or sand filtration.
Preferably, more abundant in order to make heavy metal process, filter screen quantity is at least one.
Preferably, more abundant in order to make heavy metal process, aperture of filter screen is 1-20 micron.
Preferably, more abundant in order to make heavy metal process, sand filtration thickness is at least 10cm.
Preferably, more abundant in order to make heavy metal process, sand filtration sand grains particle diameter is 5-20 micron.
Further, in order to understand the efficiency of waste water process in time and recoil, filter element is provided with filter screen pressure sensing cell, uses
In detection waste water filtering pressure.
Further, in order to increase the contact area of powder catalyst and waste water, to improve the catalytic efficiency of heavy metal, oxygen
Change ferrum and/or manganese oxide powder particle diameter is 0.1-0.5mm.
Preferably, a kind of micro heavy micro-catalysis oxidized waste water processes technique, comprise the steps of by ferrum oxide and/
Or manganese oxide powder coating is to the filter element of wastewater filtering device, in order to increase being fully contacted of oxidant catalyst and waste water, lead to
The hole of filtration core adds specific surface area, and meanwhile, also due to catalyst is powder, specific surface area is big, adds useless equally
The contact area of water；Ferrum oxide and/or the Strong oxdiative thing solution that manganese oxide powder mass concentration is 0.1ppm activate, by force
Oxide be hydrogen peroxide, chlorine dioxide, sodium hypochlorite, calcium hypochlorite, in one, to increase the settling velocity of heavy metal；Micro-
Amount heavy metal wastewater thereby adds NaOH and regulates pH value, makes pH value be maintained at 8, and in the environment of alkalescence, heavy metal starts flocculation, is formed
Micelle；It is 0.03% flocculant that micro heavy waste water adds mass fraction, and the micelle making heavy metal be formed flocculates further, shape
The micelle of Cheng Geng great；Micro heavy waste water is pumped into wastewater filtering device.
By above treatment measures, it is achieved the process of micro heavy waste water so that nickel, zinc, lead, chromium (trivalent), strontium etc.
Heavy metal is less than 0.1ppm.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme is elaborated, it should be understood that these embodiments are only
For the present invention being described rather than limiting the scope of the present invention, after having read the present invention, those skilled in the art are to this
The amendment of the various equivalent form of values of invention each falls within the application claims limited range.
Embodiment 1
A kind of micro heavy micro-catalysis oxidized waste water processes technique, comprises the steps of ferrum oxide and/or manganese oxide
Powder coating is to the filter element of wastewater filtering device, in order to increase being fully contacted, by filter element of oxidant catalyst and waste water
Hole adds specific surface area, and meanwhile, also due to catalyst is powder, specific surface area is big, adds the contact of waste water equally
Area；Ferrum oxide and/or the Strong oxdiative thing solution that manganese oxide powder mass concentration is 0.1-0.2ppm activate, Strong oxdiative
Thing be hydrogen peroxide, chlorine dioxide, sodium hypochlorite, calcium hypochlorite, in one, to increase the settling velocity of heavy metal；Trace weight
Metallic wastewater adds NaOH and regulates pH value, makes pH value be maintained at 7.5-8, and in the environment of alkalescence, heavy metal starts flocculation, is formed
Micelle；It is 0.01-0.05% flocculant that micro heavy waste water adds mass fraction, and the micelle making heavy metal be formed is wadded a quilt with cotton further
Solidifying, form bigger micelle；Micro heavy waste water is pumped into wastewater filtering device.
By above treatment measures, it is achieved the process of micro heavy waste water so that nickel, zinc, lead, chromium (trivalent), strontium etc.
Heavy metal is less than 0.1ppm.
In the present embodiment, in order to preferably process waste water, filter element is filter screen or sand filtration.
In the present embodiment, more abundant in order to make heavy metal process, filter screen quantity is at least one.
In the present embodiment, more abundant in order to make heavy metal process, aperture of filter screen is 1-20 micron.
In the present embodiment, more abundant in order to make heavy metal process, sand filtration thickness is at least 10cm.
In the present embodiment, more abundant in order to make heavy metal process, sand filtration sand grains particle diameter is 5-20 micron.
In the present embodiment, in order to understand the efficiency of waste water process in time and recoil, filter element is provided with filter screen pressure detecting list
Unit, is used for detecting waste water filtering pressure, and after filtering a period of time, screen surface forms filter cake, and filter pressure is increasing, mistake
Filtering velocity degree can reduce, and at this moment needs to start automatic back-flushing device and filter screen is carried out backwash.
In the present embodiment, in order to increase the contact area of powder catalyst and waste water, to improve the catalysis effect of heavy metal
Rate, ferrum oxide and/or manganese oxide powder particle diameter are 0.1-0.5mm.
Embodiment 2
A kind of micro heavy micro-catalysis oxidized waste water processes technique, comprises the steps of ferrum oxide and/or manganese oxide
Powder coating is to the filter element of wastewater filtering device, in order to increase being fully contacted, by filter element of oxidant catalyst and waste water
Hole adds specific surface area, and meanwhile, also due to catalyst is powder, specific surface area is big, adds the contact of waste water equally
Area；Ferrum oxide and/or the Strong oxdiative thing solution that manganese oxide powder mass concentration is 0.1ppm activate, and Strong oxdiative thing is
Hydrogen peroxide, chlorine dioxide, sodium hypochlorite, calcium hypochlorite, in one, to increase the settling velocity of heavy metal；Micro heavy
Waste water adds NaOH and regulates pH value, makes pH value be maintained at 8, and in the environment of alkalescence, heavy metal starts flocculation, forms micelle；Micro-
It is 0.03% flocculant that amount heavy metal wastewater thereby adds mass fraction, and the micelle making heavy metal be formed flocculates further, is formed bigger
Micelle；Micro heavy waste water is pumped into wastewater filtering device.
In the present embodiment, in order to preferably process waste water, filter element is filter screen or sand filtration.
In the present embodiment, more abundant in order to make heavy metal process, filter screen quantity is at least one.
In the present embodiment, more abundant in order to make heavy metal process, aperture of filter screen is 10 microns.
In the present embodiment, more abundant in order to make heavy metal process, sand filtration thickness is 20cm.
In the present embodiment, more abundant in order to make heavy metal process, sand filtration sand grains particle diameter is 10 microns.
In the present embodiment, in order to understand the efficiency of waste water process in time and recoil, filter element is provided with filter screen pressure detecting list
Unit, is used for detecting waste water filtering pressure, and after filtering a period of time, screen surface forms filter cake, and filter pressure is increasing, mistake
Filtering velocity degree can reduce, and at this moment needs to start automatic back-flushing device and filter screen is carried out backwash.
In the present embodiment, in order to increase the contact area of powder catalyst and waste water, to improve the catalysis effect of heavy metal
Rate, ferrum oxide and/or manganese oxide powder particle diameter are 0.3mm.
In the present embodiment, by above treatment measures, it is achieved the process of micro heavy waste water so that nickel, zinc, lead, chromium
The heavy metal such as (trivalent), strontium is less than 0.1ppm.
Claims (9)
1. micro heavy micro-catalysis oxidized waste water processes technique, it is characterised in that comprise the steps of
Ferrum oxide and/or manganese oxide powder are coated the filter element to wastewater filtering device；
Ferrum oxide and/or the Strong oxdiative thing solution that manganese oxide powder mass concentration is 0.1-0.2ppm activate, Strong oxdiative
Thing be hydrogen peroxide, chlorine dioxide, sodium hypochlorite, calcium hypochlorite, in one；
Micro heavy waste water adds NaOH and regulates pH value, makes pH value be maintained at 7.5-8；
It is 0.01-0.05% flocculant that micro heavy waste water adds mass fraction；
Micro heavy waste water is pumped into wastewater filtering device.
2. a kind of micro heavy micro-catalysis oxidized waste water as claimed in claim 1 processes technique, it is characterised in that described filter
Core is filter screen or sand filtration.
3. a kind of micro heavy micro-catalysis oxidized waste water as claimed in claim 2 processes technique, it is characterised in that described filter
Netting index amount is at least one.
4. a kind of micro heavy micro-catalysis oxidized waste water as claimed in claim 3 processes technique, it is characterised in that described filter
Screen distance is 1-20 micron.
5. a kind of micro heavy micro-catalysis oxidized waste water as claimed in claim 2 processes technique, it is characterised in that described sand
Filter thickness is at least 10cm.
6. a kind of micro heavy micro-catalysis oxidized waste water as claimed in claim 2 processes technique, it is characterised in that described sand
Filter sand grain particle diameter is 5-20 micron.
7. a kind of micro heavy micro-catalysis oxidized waste water as described in claim 1-2 is arbitrary processes technique, it is characterised in that
Filter element is provided with filter screen pressure sensing cell, is used for detecting waste water filtering pressure.
8. a kind of micro heavy micro-catalysis oxidized waste water as claimed in claim 1 processes technique, it is characterised in that described oxygen
Change ferrum and/or manganese oxide powder particle diameter is 0.1-0.5mm.
9. micro heavy micro-catalysis oxidized waste water as claimed in claim 1 a kind of processes technique, it is characterised in that comprise with
Lower step:
Ferrum oxide and/or manganese oxide powder are coated the filter element to wastewater filtering device；
Ferrum oxide and/or the Strong oxdiative thing solution that manganese oxide powder mass concentration is 0.1ppm activate, and Strong oxdiative thing is
Hydrogen peroxide, chlorine dioxide, sodium hypochlorite, calcium hypochlorite, in one；
Micro heavy waste water adds NaOH and regulates pH value, makes pH value be maintained at 8；
It is 0.03% flocculant that micro heavy waste water adds mass fraction；
Micro heavy waste water is pumped into wastewater filtering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670918.6A CN106186426A (en) | 2016-08-16 | 2016-08-16 | A kind of micro heavy micro-catalysis oxidized waste water processes technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610670918.6A CN106186426A (en) | 2016-08-16 | 2016-08-16 | A kind of micro heavy micro-catalysis oxidized waste water processes technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106186426A true CN106186426A (en) | 2016-12-07 |
Family
ID=57521724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610670918.6A Pending CN106186426A (en) | 2016-08-16 | 2016-08-16 | A kind of micro heavy micro-catalysis oxidized waste water processes technique |
Country Status (1)
| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869791A (en) * | 2009-04-23 | 2010-10-27 | 云南能工环境资源股份有限公司 | Filtering material for removing iron and manganese |
| CN102603097A (en) * | 2012-03-23 | 2012-07-25 | 郑州鸿跃环保科技有限公司 | Advanced treatment and recycling process for wastewater containing heavy metal ions |
| CN202705168U (en) * | 2012-07-27 | 2013-01-30 | 黄光裕 | Wastewater treatment device |
| CN103112973A (en) * | 2013-03-15 | 2013-05-22 | 哈尔滨工业大学 | Method for removing low-concentration T1 and Sb compound heavy metal pollution in surface water |
| CN104324687A (en) * | 2014-11-20 | 2015-02-04 | 江西理工大学 | Arsenious water absorbent and preparation method thereof |
-
2016
- 2016-08-16 CN CN201610670918.6A patent/CN106186426A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869791A (en) * | 2009-04-23 | 2010-10-27 | 云南能工环境资源股份有限公司 | Filtering material for removing iron and manganese |
| CN102603097A (en) * | 2012-03-23 | 2012-07-25 | 郑州鸿跃环保科技有限公司 | Advanced treatment and recycling process for wastewater containing heavy metal ions |
| CN202705168U (en) * | 2012-07-27 | 2013-01-30 | 黄光裕 | Wastewater treatment device |
| CN103112973A (en) * | 2013-03-15 | 2013-05-22 | 哈尔滨工业大学 | Method for removing low-concentration T1 and Sb compound heavy metal pollution in surface water |
| CN104324687A (en) * | 2014-11-20 | 2015-02-04 | 江西理工大学 | Arsenious water absorbent and preparation method thereof |
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Application publication date: 20161207 |