CN106396077A - Iron-based catalyst unitized packing for catalyzing ozonation - Google Patents
Iron-based catalyst unitized packing for catalyzing ozonation Download PDFInfo
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- CN106396077A CN106396077A CN201610972297.7A CN201610972297A CN106396077A CN 106396077 A CN106396077 A CN 106396077A CN 201610972297 A CN201610972297 A CN 201610972297A CN 106396077 A CN106396077 A CN 106396077A
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- finished product
- based catalyst
- filler
- catalytic oxidation
- ferrum
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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
- C02F1/72—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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/78—Details relating to ozone treatment devices
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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)
- Chemical Kinetics & Catalysis (AREA)
- Catalysts (AREA)
Abstract
The invention provides iron-based catalyst unitized packing for catalyzing ozonation. The iron-based catalyst unitized packing for catalyzing ozonation is characterized in that steel is planed into shavings on a planing machine, or shavings-shaped scrap iron is used directly, and then is subjected to surface modification, and the modified material is compressed mechanically to obtain the unitized packing; the unitized packing is in the form of a semi-finished product and in the form of a finished product; the specific surface area is 820 m<2>/m<3> to 5,700 m<2>/m<3>; and the porosity is 91.0%-98.7%. The form of the semi-finished product is the shape of a column or a square block, and outer package does not exist. According to the form of the finished product, the outer package is arranged on the basis of the form of the square-block-shaped semi-finished product, and consists of plastic baffles, a sieve plate and profile steel outer hoops, the plastic baffles are arranged on the periphery of the square-block-shaped unitized packing, the sieve plate is arranged at the bottom of the square-block-shaped unitized packing, the adjacent plastic baffles are connected with one another by the profile steel outer hoops, the plastic baffles and the sieve plate are also connected by the profile steel outer hoops, and meanwhile, the profile steel outer hoops have structural mechanics supporting effects. By the iron-based catalyst unitized packing for catalyzing ozonation, catalyzing efficiency of the catalyst in engineering application is greatly improved, manufacturing cost is reduced, and construction and mounting are facilitated.
Description
Technical field
The present invention relates to field of water pollution control is and in particular to a kind of ferrum-based catalyst blocking of O3 catalytic oxidation is filled out
Material.
Background technology
The raising requiring with industrial wastewater discharge, advanced treatment process starts in a large number, wherein adopts O3 catalytic oxidation
The producer of technique gets more and more.The key of catalysis ozone is its catalyst, ferrum-based catalyst because its excellent catalytic effect, price are low,
Do not produce heavy metal pollution and be taken seriously.O3 catalytic oxidation process, is related to gas, solid, liquid three phase boundary mass transfer, should meeting
The requirement of work principle；But different with general chemical industry mass transfer apparatus and reactor, in Industrial Wastewater Treatment, reactor is bigger（Very
To reaching tens thousand of m3）, catalyst filling requirement is very big.Thus, it is easy to a large amount of produce, mass transfer effect is good, particularly can be with catalysis
The filler form of agent property association, especially receives publicity in engineering.
Content of the invention
It is an object of the invention to provide a kind of ferrum-based catalyst blocking filler of O3 catalytic oxidation.
The present invention is prepared into filler with the catalyst material of catalysis ozone, for course of reaction requires, with chemical industry mass transfer
The filler of process has no difference, mainly has：Specific surface area is big, voidage is big, and geometry easily causes heterogeneous fluid in it
The cross-flow in portion, turbulent flow, to promote mass transfer and the chemical reaction of multi phase interface.Filler shape common at present has：Raschig ring, Bauer
Ring, cascade ring, arc saddle type and Intalox saddle, ripple packing etc..
The ferrum-based catalyst blocking filler of O3 catalytic oxidation proposed by the present invention, steel is dug on planer wood shavings
Shape, or directly use wood shavings shape iron filings, then surface modification is carried out to it, modified material is passed through mechanical compress, makes
Blocking filler；Described blocking filler form is semi-finished product form and finished product form；Specific surface area is 820m2/m3Extremely
5700m2/m3, voidage is：91.0% to 98.7%.
In the present invention, described semi-finished product form is column or square, no external packing.
In the present invention, described finished product form is setting external packing, described outsourcing on the basis of square semi-finished product form
Dress is formed by outside plastics plate washer, sieve plate and shaped steel, the surrounding setting plastics plate washer of square blocking filler, bottom setting sieve
Plate, between adjacent plastics plate washer, is connected using outside shaped steel between plastics plate washer and sieve plate, simultaneously works as structure outside shaped steel
Mechanical support acts on.
In the present invention, described outer shaped steel is any one in channel-section steel, angle steel or band steel.
In the present invention, the percent opening of described sieve plate> 45%.
The ferrum-based catalyst blocking filler of O3 catalytic oxidation proposed by the present invention is used in O3 catalytic oxidation reaction,
Described finished product form filler is used in concrete reaction tank, and concrete reaction tank is deflector type flow pattern, and conversion zone water flows through unit
Change inside filler device, flow from bottom to top.
Filler advantage of the present invention has：1st, specific surface area is big：Maximum is up to 5700m2/m3, generally in 2900m2/m3, it is more than
800m2/m3, exceed well over general filler；2nd, voidage is big：Maximum up to 98.7, generally 95.5%, more than 90%, also above general
Filler；3rd, cause cross flow effects good：Because pore channel is random, inside is difficult short stream；4th, mechanical strength is big：As steel component.
Additionally, the manufacture easy to process of this filler, it is readily transported；Installation can be assembled at the scene, be easy to heavy construction and use.
The beneficial effects of the present invention is：（1）The catalytic efficiency of in engineer applied catalyst is greatly improved：Same
Catalysis material, ratio makes Raschig ring filler, and efficiency improves more than 300%.（2）Significantly degrade manufacturing cost：Ratio uses type
Material, cost is down to less than 40%.（3）It is easy to construction and installation.
Brief description：
Fig. 1 is the basic configuration of invention unit filler used raw material iron filings；
The semi-finished product pillar cell filling block that Fig. 2 is prepared for the present invention；
The semi-finished product block elements filling block that Fig. 3 is prepared for the present invention；
Fig. 4 prepares the housing of finished unit filler device for the present invention,（A）For front view, (b) is left view, and (c) is
Top view, (d) illustrates for sieve-plate structure,
In figure label：1 is outside shaped steel, and 2 is plastics plate washer, and 3 is hanger, and 4 is sieve plate；
Fig. 5 is the tower reactor of steel construction,（A）For front view, (b) is water inlet structure figure,（C）For sieve-plate structure diagram, (d)
Illustrate for air intake structure,
In figure label：5 is water inlet, and 6 is gas outlet, and 7 is air inlet, and 8 is delivery port, and 4 is sieve plate, and 9 is pillar cell filling block；
Fig. 6 is deflector type concrete reaction tank,
In figure label：10 is blocking filler device, and 11 is ozonation aerated disperser.
Specific embodiment
Further illustrate the present invention below by embodiment.
For the use of engagement unit filler, reactor must have fixing flow pattern and structure：1st, the stream of gas liquid cross-flow
Type：Because ozone gas bubble is to float, therefore current should be downward, to improve mass-transfer efficiency.When process water yield hour（Typically little
In 5000m3/d）, steel construction packed tower can be used：Tail gas gas outlet is located in the middle of steel construction filler tower top cover, and water inlet is located at steel
Structured packing tower upper end；Air inlet is located at steel construction filler tower bottom, and delivery port is located at steel construction packed tower bottom, sees Fig. 5.Work as place
When the reason water yield is big（Generally higher than 5000m3/d）, xoncrete structure reaction tank can be used：Waste water flow process is deflector type, under current direction
Section installs filler, the ozonation aerated disperser of lower disposed, such as Fig. 6.
Embodiment 1：Bulk density is 700kg/m3Pillar cell filling block
(1) select specific model steel, dig into wood shavings shape, a size of：Thick 0.05mm, wide 3.0mm, long 30 mm；Or using gold
Belong to the wood shavings shape iron filings that processing industry produces, screening dimensional discrepancy is less than ± 50% material；Surface-modified generation is catalyzed into
Part, compressed by hydraulic press, be allowed to bulk density in 700kg/m3（±10%）, form semi-finished product pillar cell filling block（Figure
2）.
(2) reactor is packed tower（Fig. 5）, the above-mentioned blocking filling block of installation, totally six layers.Process the life of certain industrial park
Dissolve water, its COD clearance reaches 80%.Contrast filler is the section bar of steel of the same race, makes Raschig ring, its wall thickness 2.0mm, outward
Footpath 20mm, high 15mm；Under identical assembling amount, COD clearance is only 21%.
Embodiment 2：Bulk density is 700kg/m3Blocking filler device
(1) adopt the raw material described in embodiment 1, and surface-modified generation is catalyzed composition, is compressed by hydraulic press, is allowed to
Bulk density is in 700kg/m3（±10%）, form semi-finished product block elements filling block（Fig. 3）, it is filled in the housing making（Figure
4）, form finished unit filler device.
(2) in xoncrete structure reaction tank, plus partition wall, form deflector type flow process, current direction hypomere adds blocking filler
Device, totally three layers, at the bottom of pond portion arranges gas distribution disperser, such as Fig. 6.Process certain industrial park bio-chemical effluent, its COD clearance reaches
To 76%.Contrast filler is the section bar of steel of the same race, makes Raschig ring, its wall thickness 2.0mm, external diameter 20mm, high 15mm；Identical dress
Under dosage, COD clearance is only 19%.
Embodiment 3：Bulk density is 350kg/m3Pillar cell filling block
(1) select specific model steel, dig into wood shavings shape, a size of：Thick 0.10mm, wide 10mm, long 150mm；Or use metal
The wood shavings shape iron filings that processing industry produces, screening dimensional discrepancy is less than ± 50% material；Surface-modified generation is catalyzed composition,
Compressed by hydraulic press, be allowed to bulk density in 350kg/m3（±10%）, form semi-finished product pillar cell filling block（Fig. 2）.
(2) reactor is packed tower（Fig. 5）, the above-mentioned blocking filling block of installation, totally six layers.Process the life of certain industrial park
Dissolve water, its COD clearance reaches 80%.
Embodiment 4：Bulk density is 350kg/m3Blocking filler device
(1) adopt the raw material described in embodiment 3, and surface-modified generation is catalyzed composition, is compressed by hydraulic press, is allowed to
Bulk density is in 350kg/m3（±10%）, form semi-finished product block elements filling block（Fig. 3）, it is filled in the housing making（Figure
4）, form finished unit filler device.
(2) in xoncrete structure reaction tank, plus partition wall, form deflector type flow process, current direction hypomere adds blocking filler
Device, totally three layers, at the bottom of pond portion arranges gas distribution disperser, such as Fig. 6.Process certain industrial park bio-chemical effluent, its COD clearance reaches
To 75%.
Embodiment 5：Bulk density is 100kg/m3Pillar cell filling block
(1) select specific model steel, dig into wood shavings shape, a size of：Thick 0.5mm, wide 30mm, long 600 mm；Or use metal
The wood shavings shape iron filings that processing industry produces, screening dimensional discrepancy is less than ± 50% material；Surface-modified generation is catalyzed composition,
Compressed by hydraulic press, be allowed to bulk density in 100kg/m3（±10%）, form semi-finished product pillar cell filling block（Fig. 2）.
(2) reactor is packed tower（Fig. 5）, the above-mentioned blocking filling block of installation, totally six layers.Process the life of certain industrial park
Dissolve water, its COD clearance reaches 45%.
Embodiment 6：Bulk density is 100kg/m3Blocking filler device
(1) adopt the raw material described in embodiment 5, and surface-modified generation is catalyzed composition, is compressed by hydraulic press, is allowed to
Bulk density is in 100kg/m3（±10%）, form semi-finished product block elements filling block（Fig. 3）, it is filled in the housing making（Figure
4）, form finished unit filler device.
(2) in xoncrete structure reaction tank, plus partition wall, form deflector type flow process, current direction hypomere adds blocking filler
Device, totally three layers, at the bottom of pond portion arranges gas distribution disperser, such as Fig. 6.Process certain industrial park bio-chemical effluent, its COD clearance reaches
To 43%.
Claims (6)
1. the ferrum-based catalyst blocking filler of O3 catalytic oxidation is it is characterised in that dig into wood shavings shape by steel on planer,
Or directly use wood shavings shape iron filings, then surface modification is carried out to it, modified material is passed through mechanical compress, makes unit
Change filler；Described blocking filler form is semi-finished product form and finished product form；Specific surface area is 820m2/m3To 5700m2/m3,
Voidage is：91.0% to 98.7%.
2. the ferrum-based catalyst blocking filler of O3 catalytic oxidation according to claim 1 is it is characterised in that described half
Finished product form is column or square, no external packing.
3. the ferrum-based catalyst blocking filler of O3 catalytic oxidation according to claim 1 is it is characterised in that described one-tenth
Product form is setting external packing on the basis of square semi-finished product form, and described external packing is by plastics plate washer, sieve plate and shaped steel
Outer composition, the surrounding setting plastics plate washer of square blocking filler, bottom arranges sieve plate, between adjacent plastics plate washer,
Adopt between plastics plate washer and sieve plate and be connected outside shaped steel, outside shaped steel, simultaneously work as structural mechanics supporting role.
4. the ferrum-based catalyst blocking filler of O3 catalytic oxidation according to claim 1 is it is characterised in that described outer
Shaped steel is any one in channel-section steel, angle steel or band steel.
5. the ferrum-based catalyst blocking filler of O3 catalytic oxidation according to claim 1 is it is characterised in that described sieve
The percent opening of plate> 45%.
6. a kind of ferrum-based catalyst blocking filler of O3 catalytic oxidation as claimed in claim 1 is anti-in O3 catalytic oxidation
It is characterised in that described filler is used in concrete reaction tank, concrete reaction tank is deflector type flow pattern, reaction for application in answering
Duan Shuiliu through blocking filler device inside, flow from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972297.7A CN106396077A (en) | 2016-11-07 | 2016-11-07 | Iron-based catalyst unitized packing for catalyzing ozonation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610972297.7A CN106396077A (en) | 2016-11-07 | 2016-11-07 | Iron-based catalyst unitized packing for catalyzing ozonation |
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| Publication Number | Publication Date |
|---|---|
| CN106396077A true CN106396077A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610972297.7A Pending CN106396077A (en) | 2016-11-07 | 2016-11-07 | Iron-based catalyst unitized packing for catalyzing ozonation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471603A (en) * | 2022-01-24 | 2022-05-13 | 上海中耀环保实业有限公司 | Non-supported ozone catalyst and use method thereof |
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| CN101337754A (en) * | 2008-08-07 | 2009-01-07 | 石永丰 | Advanced treatment method and device for dyeing waste water by ozone iron zinc catalysis |
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| CN201268616Y (en) * | 2008-09-12 | 2009-07-08 | 镇江市水业总公司 | Plug flow type catalyzed iron / suspending stuffing biological film integrated reactor |
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2016
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Patent Citations (4)
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|---|---|---|---|---|
| CN101250016A (en) * | 2008-03-12 | 2008-08-27 | 石永丰 | Integrated processing technique for retting-hemp waste water and equipment thereof |
| CN101337754A (en) * | 2008-08-07 | 2009-01-07 | 石永丰 | Advanced treatment method and device for dyeing waste water by ozone iron zinc catalysis |
| CN201250138Y (en) * | 2008-08-07 | 2009-06-03 | 石永丰 | Ozone iron-zinc bed catalyzing device for wastewater treatment |
| CN201268616Y (en) * | 2008-09-12 | 2009-07-08 | 镇江市水业总公司 | Plug flow type catalyzed iron / suspending stuffing biological film integrated reactor |
Non-Patent Citations (3)
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|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114471603A (en) * | 2022-01-24 | 2022-05-13 | 上海中耀环保实业有限公司 | Non-supported ozone catalyst and use method thereof |
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Application publication date: 20170215 |