CN105879853B - A kind of targeting method for preparing catalyst handling the waste water containing aromatic compound - Google Patents
A kind of targeting method for preparing catalyst handling the waste water containing aromatic compound Download PDFInfo
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- CN105879853B CN105879853B CN201610217797.XA CN201610217797A CN105879853B CN 105879853 B CN105879853 B CN 105879853B CN 201610217797 A CN201610217797 A CN 201610217797A CN 105879853 B CN105879853 B CN 105879853B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/14—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of germanium, tin or lead
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/002—Mixed oxides other than spinels, e.g. perovskite
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/32—Manganese, technetium or rhenium
- B01J23/34—Manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/66—Silver or gold
- B01J23/68—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/681—Silver or gold with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with arsenic, antimony or bismuth
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2523/00—Constitutive chemical elements of heterogeneous catalysts
Abstract
A kind of targeting method for preparing catalyst handling the waste water containing aromatic compound comprises the following steps that the solution for dissolving that active component salt is 5-15% in 40-80 DEG C of deionized water；Ammonium salt, which is added, makes pH be increased to 6.5-7.5, and the temperature is kept to stir 40-80 minutes with 60-100 revs/min of speed；Filtering, and it is cleaned 3-5 times with deionized water, it obtains nodular powder within dry 3-6 hours in 100-110 DEG C of Muffle furnace, is the expanding agent of the nodular powder of 10-30%, the lubricant of 1-5%, the gelling agent of 4-15%, the alumina powder of 50-80%, 1-3% by mass concentration；2-8mm is rolled to after being mixed and stirred for uniformly；It is 3-5 hours dry in 100-200 DEG C of baking oven；In being roasted 2-6 hours in 400-800 DEG C of Muffle furnace.The present invention targets catalyst and is prepared by the hybrid mode for precipitating with melting, catalytic inner can be made to form biggish channel and specific surface area, to which the reactive metal oxides in the organic matter and catalyst in waste water come into full contact with, the degradation effect of organic matter is improved.
Description
Technical field
The present invention relates to field of waste water treatment and field of catalyst preparation more particularly to a kind of processing with aromatic compound
It is characterized the method for waste water of pollutant.More specifically it is related to a kind of system of targeting catalyst handled based on such compound
Preparation Method.
Background technique
Aromatic compound refers to the compound with benzene ring structure, and main includes fragrant hydrocarbons and their derivates, such as halogenated
Aromatic hydrocarbon, aromatic nitro compound etc..With the development of the industrial circles such as petroleum and petrochemical industry, light industry papermaking, textile printing, fragrance
Compounds of group is often used as solvent and raw material in industrial processes, and large amount of organic will be with industrial wastewater and waste
Be discharged into environment.And pollutant kind that this kind of organic wastewater usually contains is various, toxicity is big, COD is high, sour
Property or alkalinity is strong, color is deep, and most of be difficult to biodegrade.Therefore, the such organic wastewater of efficient process is carried out in a deep going way
Research has very important meaning.
Currently, the treatment process of the waste water containing aromatic compound mainly has biochemical method (aerobic, Anaerobic Treatment), advanced oxidation
Technology, membrane processing method etc. are also possible to the combined application of several techniques.But due to the Pollutants in Wastewater containing aromatic compound
Complicated component, stability are strong, and single biochemical method has been difficult to meet the standard of the requirement of Treated sewage reusing and discharged wastewater met the national standard.
With going deep into for research, the methods of advanced oxidation law technology such as catalytic ozonation, photooxidation handles persistent organic pollutants
It is considered as a kind of up-and-coming method when waste water.
High-level oxidation technology is the high activity group based on generation, such as hydroxyl radical free radical (OH), redox electricity
Position is higher, can fast and efficiently remove the oxidation technology of organic pollutants.Wherein catalytic ozonation is by ozone
High redox potential (2.07V), promote ozone to decompose the hydroxyl free for generating extremely strong oxidisability under the effect of the catalyst
Base occurs substitution, open loop, electronics transfer etc. with organic matter and reacts, and by complicated organic matter degradation at small-molecule substance, improves useless
The biodegradability of water.But the content and species differences due to the Organic substance in water that gives up are very big, and there is also certain limitations for the technology
Property: (1) in waste water refractory organics pollutant decomposition not thorough enough, it is difficult to reach higher COD removal effect；(2) ozone utilizes
Rate is lower, and the hydroxyl radical free radical for decomposing generation is limited；(3) targeting that do not develop for organic matter main in different waste water is urged
Agent, specificity is not strong, removal rate is not high.
Therefore, in order to make up above-mentioned conventional catalytic ozonation technique the shortcomings that, have developed for aromatic compound of degrading
Targeting catalyst based on object, improves the operational effect of the technique.
Summary of the invention
It is an object of the invention to design a kind of targeting catalyst preparation of novel processing waste water containing aromatic compound
Method solves the above problems.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of targeting method for preparing catalyst handling the waste water containing aromatic compound, comprises the following steps that
Step (1) dissolves active component salt in 40-80 DEG C of deionized water, and being prepared into mass concentration is 5-15%'s
Solution；Then ammonium salt, which is added, is increased to pH between 6.5-7.5, initially forms precipitating in solution at this time, keeps the temperature of solution
It is 40-80 DEG C, is stirred 40-80 minutes with 60-100 revs/min of speed at such a temperature；Wherein, the active component salt is
Mixed rare earth nitrates, Mn (NO3)2、Cr(NO3)3、Ti(SO4)2、Pb(NO3)2、Sb(NO3)2Or AgNO3One or more of；
The slurries obtained in step (1) are filtered, and are cleaned 3-5 times with deionized water by step (2), until slurries can
Smoothly pass through filter；
Step (3), is cleaned and filtered slurries obtain granular powder in dry 3-6 hours in 100-110 DEG C of Muffle furnace
End is placed in spare in drier；
Step (4) is the gelling of the nodular powder of 10-30%, the lubricant of 1-5%, 4-15% by mass concentration
Agent, the alumina powder of 50-80%, 1-3% expanding agent, gross mass 100%；Granulation is put into after being mixed and stirred for uniformly
In machine, taking-up when being rolled to 2-8mm, obtained preformed catalyst；
It is small to be placed in 100-200 DEG C of baking oven dry 3-5 by step (5) for the preformed catalyst obtained in step (4)
When；Roasting 2-6 hours in 400-800 DEG C of Muffle furnace are subsequently placed in, the targeting for obtaining handling the waste water containing aromatic compound is urged
Agent.
In step (1), the mixed rare earth nitrates, including La2O3Mass concentration be 34.78%, CeO2Matter
Amount concentration is 65.02%, Pr6O11Mass concentration is 0.015% and Nd2O3Mass concentration be 0.01%.
Ammonium salt described in step (1) is ammonium carbonate or ammonium hydrogen carbonate.
In step (4), the lubricant is one of glycerol, graphite or stearic acid；
The expanding agent is one of starch, sawdust, active carbon, carbon black or cellulose；
The gelling agent is one of dust technology, boehmite, cement or gypsum.
In step (4), when the gelling agent is dust technology, when mixing the mass concentration of the gelling agent be 2-3%.
In step (1), in 60 DEG C of deionized water dissolve active component salt, be prepared into mass concentration be 10% it is molten
Liquid；Then ammonium salt, which is added, makes pH be increased to 7.2, initially forms precipitating in solution at this time, and keeping the temperature of solution is 60 DEG C, stirring
60 minutes.
In step (3), cleans and filtered slurries obtain nodular powder in dry 4 hours in 105 DEG C of Muffle furnace.
In step (4), put into pelletizer after being mixed and stirred for uniformly, taking-up when being rolled to 2-3mm, obtained molding is urged
Agent；
In step (5), the preformed catalyst is placed in 150 DEG C of baking oven 4 hours dry；It is subsequently placed in 600 DEG C of horse
Not roasting 4 hours in furnace, obtain the targeting catalyst for handling the waste water containing aromatic compound.
Targeting catalytic oxidation technologies are in reactor, and filling needle is catalyzed the targeting containing a large amount of aromatic compound waste water
Agent, and it is passed through ozone, strong oxidizer is generated by targeting catalyst inducement ozone selfdecomposition, to the aromatic compound etc. in water
The wastewater processing technology of hardly degraded organic substance progress exhaustive oxidation decomposition.
The purpose of the present invention is by preparing a kind of targeting catalyst, inducing ozone, which decomposes to generate, to be had compared with Strong oxdiative ability
Hydroxyl radical free radical, the treatment effect of enhancing degradation aromatic compound.
Target catalyst preparation specifically includes the following steps:
(1) enough active component salt is dissolved in 40-80 DEG C of deionized water, being prepared into mass concentration is 5-15%'s
Solution；Then a certain amount of ammonium salt, which is added, is increased to pH between 6.5-7.5, precipitating is initially formed in solution at this time, after continuation of insurance
The temperature is held to stir 40-80 minutes with 60-100 revs/min of speed.
(2) slurries obtained in step (1) are filtered, and is cleaned 3-5 times with deionized water, until slurries can be smoothly
Pass through filter.
(3) slurries after cleaning obtain nodular powder in dry 3-6 hours in 100-110 DEG C of Muffle furnace, place it in
Drying for standby in drier.
(4) by mass percentage for the above-mentioned nodular powder of 10-30%, the lubricant of 1-5%, 4-15% gelling agent,
The expanding agent of the alumina powder of 50-80%, 1-3%, gross mass 100%；Pelletizer is put into after being mixed and stirred for uniformly
In, taking-up when being rolled to 2-8mm, obtained preformed catalyst；
(5) preformed catalyst that step (4) obtains is placed in 100-200 DEG C of baking oven 3-5 hours dry；It is subsequently placed in
Roasting 2-6 hours, obtain ozone catalytic oxidation catalyst in 400-800 DEG C of Muffle furnace.
Beneficial effects of the present invention can be summarized as follows:
(1) the targeting catalyst also has special specific aim, makes in waste water other than with the efficient activity of catalyst
Hardly degraded organic substance especially aromatic compound is effectively degraded；
(2) the targeting catalyst by precipitate with melting hybrid mode prepare, can make catalytic inner formation compared with
Big channel and specific surface area is improved so that the reactive metal oxides in organic matter and catalyst in waste water come into full contact with
The degradation effect of organic matter.
(3) targeting catalyst contamination resistance is strong, can high-efficient and lasting play a role.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only to explain this
Invention, is not intended to limit the present invention.
A kind of targeting method for preparing catalyst handling the waste water containing aromatic compound, comprises the following steps that
Step (1) dissolves active component salt in 40-80 DEG C of deionized water, and being prepared into mass concentration is 5-15%'s
Solution；Then ammonium salt, which is added, is increased to pH between 6.5-7.5, initially forms precipitating in solution at this time, keeps the temperature of solution
It is 40-80 DEG C, the temperature is kept to stir 40-80 minutes with 60-100 revs/min of speed；Wherein, the active component salt is
Mixed rare earth nitrates, Mn (NO3)2、Cr(NO3)3、Ti(SO4)2、Pb(NO3)2、Sb(NO3)2Or AgNO3One or more of；
The slurries obtained in step (1) are filtered, and are cleaned 3-5 times with deionized water by step (2), until slurries can
Smoothly pass through filter；
Step (3), is cleaned and filtered slurries obtain granular powder in dry 3-6 hours in 100-110 DEG C of Muffle furnace
End is placed in spare in drier；
Step (4) is the gelling of the nodular powder of 10-30%, the lubricant of 1-5%, 4-15% by mass concentration
Agent, the alumina powder of 50-80%, 1-3% expanding agent, gross mass 100%；Granulation is put into after being mixed and stirred for uniformly
In machine, taking-up when being rolled to 2-8mm, obtained preformed catalyst；
It is small to be placed in 100-200 DEG C of baking oven dry 3-5 by step (5) for the preformed catalyst obtained in step (4)
When；Roasting 2-6 hours in 400-800 DEG C of Muffle furnace are subsequently placed in, the targeting for obtaining handling the waste water containing aromatic compound is urged
Agent.
In more preferred embodiment, in step (1), the mixed rare earth nitrates, including La2O3Quality
Concentration is 34.78%, CeO2Mass concentration be 65.02%, Pr6O11Mass concentration is 0.015% and Nd2O3Mass concentration
It is 0.01%.
In more preferred embodiment, ammonium salt described in step (1) is ammonium carbonate or ammonium hydrogen carbonate.
In more preferred embodiment, in step (4), the lubricant is one in glycerol, graphite or stearic acid
Kind；
The expanding agent is one of starch, sawdust, active carbon, carbon black or cellulose；
The gelling agent is one of dust technology, boehmite, cement or gypsum.
In more preferred embodiment, in step (4), when the gelling agent is dust technology, the gelling of when mixing
The mass concentration of agent is 2-3%.
In more preferred embodiment, in step (1), active component salt, preparation are dissolved in 60 DEG C of deionized water
The solution for being 10% at mass concentration；Then ammonium salt, which is added, makes pH be increased to 7.2, initially forms precipitating in solution at this time, keeps
The temperature of solution is 60 DEG C, is stirred 60 minutes.
In more preferred embodiment, it in step (3), cleans and filtered slurries is done in 105 DEG C of Muffle furnace
Obtain nodular powder within dry 4 hours.
In more preferred embodiment, it in step (4), is put into pelletizer after being mixed and stirred for uniformly, is rolled to 2-
It is taken out when 3mm, obtained preformed catalyst；
In more preferred embodiment, in step (5), it is small that the preformed catalyst is placed in 150 DEG C of baking oven dry 4
When；Roasting 4 hours in 600 DEG C of Muffle furnace are subsequently placed in, the targeting catalyst for handling the waste water containing aromatic compound is obtained.
In more preferred embodiment, step (3), the drier are glass desicator.
Case 1:
(1) enough mixed rare earth nitrates, Pb (NO are dissolved in 40 DEG C of deionized water3)2, it is prepared into mass concentration
For 5% solution；Then a certain amount of (NH is added4)HCO3So that pH is increased to 6.5, initially form precipitating in solution at this time, continues
The temperature for maintaining solution is 40 DEG C and with 60 revs/min of speed stirring 40 minutes.
(2) slurries obtained in step (1) are filtered, and is cleaned 3 times with deionized water, until slurries can smoothly lead to
Cross filter.
(3) slurries after cleaning obtain nodular powder in dry 3 hours in 100 DEG C of Muffle furnace, place it in drier
Middle drying for standby.
(4) be by mass percentage 10% above-mentioned nodular powder, 3% graphite, 4% boehmite, 80%
Alumina powder, 3% starch, gross mass 100%；It is put into pelletizer after being mixed and stirred for uniformly, when being rolled to 2-3mm
It takes out, obtained preformed catalyst；
(5) preformed catalyst that step (4) obtains is placed in 100 DEG C of baking oven 3 hours dry；It is subsequently placed in 400 DEG C
Muffle furnace in roasting 2 hours, obtain ozone catalytic oxidation catalyst.
The targeting catalyst of foregoing invention is cleaned 3-4 times with deionized water, the depth for the waste water containing aromatic compound
Degree processing, the removal rate 87.9% and chroma removal rate 100% of COD.
Case 2:
(1) enough mixed rare earth nitrates, Mn (NO are dissolved in 60 DEG C of deionized water3)2、Ti(SO4)2, it is prepared into
The solution that mass concentration is 10%；Then a certain amount of (NH is added4)HCO3So that pH is increased to 7.2, is initially formed in solution at this time
Precipitating, the temperature for continuing to solution is 60 DEG C and with 80 revs/min of speed, keeps the temperature of solution to be 60 DEG C and stirs 60 points
Clock.
(2) slurries obtained in step (1) are filtered, and is cleaned 4 times with deionized water, until slurries can smoothly lead to
Cross filter.
(3) slurries after cleaning obtain nodular powder in dry 4 hours in 105 DEG C of Muffle furnace, place it in drier
Middle drying for standby.
(4) be by mass percentage 20% above-mentioned nodular powder, 5% graphite, 10% boehmite 63%
Alumina powder, 2% starch, gross mass 100%；It is put into pelletizer after being mixed and stirred for uniformly, when being rolled to 2-3mm
It takes out, obtained preformed catalyst；
(5) preformed catalyst that step (4) obtains is placed in 150 DEG C of baking oven 4 hours dry；It is subsequently placed in 600 DEG C
Muffle furnace in roasting 4 hours, obtain ozone catalytic oxidation catalyst.
The targeting catalyst of foregoing invention is cleaned 3-4 times with deionized water, the depth for the waste water containing aromatic compound
Degree processing, the removal rate 97.3% and chroma removal rate 100% of COD.
Case 3:
(1) enough mixed rare earth nitrates, AgNO are dissolved in 80 DEG C of deionized water3、Sb(NO3)2, it is prepared into matter
Measure the solution that concentration is 15%；Then a certain amount of (NH is added4)HCO3PH is set to be increased to 7.5, it is heavy to initially form in solution at this time
It forms sediment, the temperature for continuing to solution is 80 DEG C and with 100 revs/min of speed stirring 80 minutes.
(2) slurries obtained in step (1) are filtered, and is cleaned 5 times with deionized water, until slurries can smoothly lead to
Cross filter.
(3) slurries after cleaning obtain nodular powder in dry 6 hours in 110 DEG C of Muffle furnace, place it in drier
Middle drying for standby.
(4) be by mass percentage 30% above-mentioned nodular powder, 4% graphite, 15% boehmite, 50%
Alumina powder, 1% starch, gross mass 100%；It is put into pelletizer after being mixed and stirred for uniformly, when being rolled to 2-8mm
It takes out, obtained preformed catalyst；
(5) preformed catalyst that step (4) obtains is placed in 200 DEG C of baking oven 5 hours dry；It is subsequently placed in 800 DEG C
Muffle furnace in roasting 6 hours, obtain ozone catalytic oxidation catalyst.
The targeting catalyst of foregoing invention is cleaned 3-4 times with deionized water, the depth for the waste water containing aromatic compound
Degree processing, the removal rate 91.7% and chroma removal rate 100% of COD.
In conjunction with GC/MS means analysis waste water containing arene compound in the catalyst and ozone Jing Guo above three case
The variation of its characteristic contamination type and content of reaction front and back, such as following table.
The present invention is described in detail above by specific and preferred embodiment, but those skilled in the art should be bright
White, the present invention is not limit to that embodiments describe above, all within the spirits and principles of the present invention, made any modification,
Equivalent replacement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of targeting method for preparing catalyst for handling the waste water containing aromatic compound, which is characterized in that comprise the following steps that
Step (1) dissolves active component salt in 40-80 DEG C of deionized water, is prepared into the solution that mass concentration is 5-15%；
Then ammonium salt, which is added, is increased to pH between 6.5-7.5, initially forms precipitating in solution at this time, and keeping the temperature of solution is 40-
It 80 DEG C, is stirred 40-80 minutes with 60-100 revs/min of speed；Wherein, the active component salt is mixed rare earth nitrates,
Mn(NO3)2、Cr(NO3)3、Ti(SO4)2、Pb(NO3)2、Sb(NO3)2Or AgNO3One or more of；
The slurries obtained in step (1) are filtered, and are cleaned 3-5 times with deionized water by step (2), until slurries can be smooth
Pass through filter；
Step (3), is cleaned and filtered slurries obtain nodular powder in dry 3-6 hours in 100-110 DEG C of Muffle furnace, is set
It is spare in drier；
Step (4), by mass concentration be the nodular powder of 10-30%, the lubricant of 1-5%, 4-15% gelling agent,
The expanding agent of the alumina powder of 50-80%, 1-3%, gross mass 100%；Pelletizer is put into after being mixed and stirred for uniformly
In, taking-up when being rolled to 2-3mm obtains preformed catalyst；
The preformed catalyst obtained in step (4) is placed in 100-200 DEG C of baking oven 3-5 hours dry by step (5)；
Roasting 2-6 hours in 400-800 DEG C of Muffle furnace are subsequently placed in, the targeting catalysis for handling the waste water containing aromatic compound is obtained
Agent；
Ammonium salt described in step (1) is ammonium carbonate or ammonium hydrogen carbonate.
2. the targeting method for preparing catalyst of processing waste water containing aromatic compound according to claim 1, feature exist
In: in step (1), the mixed rare earth nitrates are in terms of oxide, including La2O3Mass concentration be 34.78%,
CeO2Mass concentration be 65.02%, Pr6O11Mass concentration is 0.015% and Nd2O3Mass concentration be 0.01%.
3. the targeting method for preparing catalyst of processing waste water containing aromatic compound according to claim 1, feature exist
In: in step (4), the lubricant is one of glycerol, graphite or stearic acid；
The expanding agent is one of starch, sawdust, active carbon, carbon black or cellulose；
The gelling agent is one of dust technology, boehmite, cement or gypsum；
In step (4), when the gelling agent is dust technology, when mixing the mass concentration of the gelling agent be 2-3%.
4. the targeting method for preparing catalyst of processing waste water containing aromatic compound according to claim 1, feature exist
In: in step (1), active component salt is dissolved in 60 DEG C of deionized water, is prepared into the solution that mass concentration is 10%；Then
Ammonium salt, which is added, makes pH be increased to 7.2, initially forms precipitating in solution at this time, and keeping the temperature of solution is 60 DEG C, stirs 60 minutes.
5. the targeting method for preparing catalyst of processing waste water containing aromatic compound according to claim 1, feature exist
In: in step (3), cleans and filtered slurries obtain nodular powder in dry 4 hours in 105 DEG C of Muffle furnace.
6. the targeting method for preparing catalyst of processing waste water containing aromatic compound according to claim 1, feature exist
In: in step (5), the preformed catalyst is placed in 150 DEG C of baking oven 4 hours dry；It is subsequently placed in 600 DEG C of Muffle furnace
Roasting 4 hours, obtains the targeting catalyst for handling the waste water containing aromatic compound.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004337798A (en) * | 2003-05-19 | 2004-12-02 | Nomura Plating Co Ltd | Oxide catalyst and detoxification method of organic matter-containing wastewater using the same |
| CN104891713A (en) * | 2015-06-23 | 2015-09-09 | 杭州大地环保工程有限公司 | Catalytic ozonation process for treatment of organic wastewater |
| CN105268425A (en) * | 2014-07-17 | 2016-01-27 | 中国科学院大连化学物理研究所 | Modified active carbon catalyst, and preparation and application thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004337798A (en) * | 2003-05-19 | 2004-12-02 | Nomura Plating Co Ltd | Oxide catalyst and detoxification method of organic matter-containing wastewater using the same |
| CN105268425A (en) * | 2014-07-17 | 2016-01-27 | 中国科学院大连化学物理研究所 | Modified active carbon catalyst, and preparation and application thereof |
| CN104891713A (en) * | 2015-06-23 | 2015-09-09 | 杭州大地环保工程有限公司 | Catalytic ozonation process for treatment of organic wastewater |
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