CN104761081B - A kind of method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater - Google Patents
A kind of method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater Download PDFInfo
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Abstract
The present invention relates to a kind of method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater.Its technical scheme is: adds mineral acid to the organic wastewater entering cyclone mixer (1), regulates pH to 3.5 ~ 6, regulates the acidifying organic wastewater after pH and enters catalytic degradation reaction device (2)；Again imitative enzyme type magnetic catalyst is equipped with in the catalytic degradation reaction device (2) of acidifying organic wastewater, adds H2O2, imitative enzyme type magnetic catalyst H2O2Mass ratio be 11 ~ 4.5；Then, under 20 ~ 30 DEG C of conditions, stir 60 ~ 120 min with aerator (3) air blast, obtain suspension；By suspension from flowing in catalyst separation post (4), under the action of a magnetic field, stand 10 ~ 30min；Finally through return duct (5), the mimetic enzyme catalyst of lower floor is back to catalytic degradation reaction device (2) to recycle, the supernatant is used as industrial regeneration water.The present invention has the advantages that technique is simple, workable, it is little to invest, operating cost is low and processes waste water quality COD wide ranges.
Description
Technical field
The invention belongs to technical field for the treatment of of organic waste.It is specifically related to a kind of method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater.
Background technology
Organic components in the complicated component of industrial organic waste water, particularly coking chemical waste water is increasingly complex, and containing substantial amounts of aromatic hydrocarbons, polycyclic aromatic hydrocarbon and heterocyclic arene etc., its COD value is typically in more than 2000mg/L, and colourity is relatively deep, is industrial organic waste water difficult to deal with.Still containing the Organic substance of the difficult for biological degradation of higher concentration in water outlet after traditional biochemical process processes, COD and colourity are extremely difficult to industrial regeneration water quality standard, and direct discharge can cause severe contamination and the murder by poisoning of environmental ecology.Therefore need the waste water after biochemical process is processed to carry out advanced treating, to realize the recycling utilization of waste water.
Present Domestic is outer is generally adopted the methods such as coagulant sedimentation, absorption method, membrane separation process and advanced oxidation processes to organic wastewater advanced treating.But there is the processing cost height of organic wastewater, operation maintenance secondary pollution problems complicated, easy in these methods, seriously constrains its practical application all in various degree.Therefore, developing green, economy, method for processing organic wastewater easy and simple to handle are one of effective ways realizing industrial organic waste water Regeneration Treatment.
The useless Organic substance in water of imitative enzymatic degradation is a kind of new technique, such as " preparation method of a kind of imitative enzyme type water treatment agent " (CN102350300A) patented technology, the feature of this technology is to prepare imitative enzyme type water treatment agent with cheap raw material, but there is preparation process complexity, operability is not good enough, process waste water quality COD narrow range and need to increase the deficiencies such as pretreating process.Although the research of mimetic enzyme catalyst causes the extensive concern of people, but the applied research of the Regeneration Treatment of industrial organic waste water is rarely had report.
Summary of the invention
It is contemplated that overcome prior art defect, it is therefore an objective to provide a kind of method that technique is simple, workable, it is little to invest, operating cost is low and enzyme type magnetic catalyst Regeneration Treatment organic wastewater is imitated in the employing of process waste water quality COD wide ranges.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is:
Step one, add mineral acid to the organic wastewater entering cyclone mixer, regulate pH to 3.5～6, regulate the acidifying organic wastewater after pH and enter catalytic degradation reaction device.
Step 2, imitative enzyme type magnetic catalyst is equipped with in the catalytic degradation reaction device of acidifying organic wastewater, adds H2O2, imitative enzyme type magnetic catalyst H2O2Mass ratio be 1 1～4.5.Then, under 20～30 DEG C of conditions, stir 60～120min with aerator air blast, obtain suspension.
Step 3, by suspension from flowing in catalyst separation post, under magnetic field of magnets effect, stand 10～30min.Then through return duct, the mimetic enzyme catalyst of lower floor is back to catalytic degradation reaction device to recycle, the supernatant is used as industrial regeneration water.
Described catalyst separation post includes housing, reduction sleeve, motor, power transmission shaft, stirring paddle and chain.Housing is hollow cylinder by top and bottom is the entirety that hollow cone forms, and down, vertex of a cone place is provided with discharge pipeline to the vertex of a cone of hollow cone, and the outer surface near the vertex of a cone is provided with Magnet, and the inclination alpha of hollow cone is 30～60 °.The coaxial heart of reduction sleeve is arranged in hollow cylinder body, the upper end of reduction sleeve is fixed on the upper end of hollow cylinder by fixed mount, motor is arranged on the middle position of fixed mount, the coaxial heart of power transmission shaft is arranged in reduction sleeve, one end of power transmission shaft is connected with motor shaft, the other end of power transmission shaft is fixing with stirring paddle to be connected, and two blade ends in the two ends of chain and stirring paddle are corresponding to be connected.The upper end of reduction sleeve has water inlet, and the opposite side on hollow cylinder top has outlet.The top of reduction sleeve is hollow cylinder, and the bottom of reduction sleeve is bell mouth shape.The angle of two blades of stirring paddle is equal with the bell-mouthed cone angle of reduction sleeve, and the length of chain is 1.2～1.5 times of two blade end distances of stirring paddle.
The COD value of described organic wastewater is 150～1500mg/L, and the colourity of organic wastewater is 300～1200 times.
Described mineral acid is sulphuric acid or is hydrochloric acid, and the concentration of mineral acid is 1mol/L.
Described imitative enzyme type magnetic catalyst is Fe3O4The mixture of the imitative enzyme of nano-particle and carrier；Wherein: Fe3O4The mass ratio of the imitative zymophore of nano-particle is 5～20 100, Fe3O4Nano particle diameter is 20～100nm, and carrier is the one in bentonite, carbon based material, porous silica material.
The intensity in described magnetic field is 0.1～0.5T.
Owing to adopting technique scheme, the invention have the advantages that
1, the present invention need not increase pretreating process, and technique is simple, and compact conformation takes up an area little, invests little, workable.
2, the technique of the present invention and equipment thereof are reasonable in design, can realize catalytic degradation, catalyst effectively and recycle, it is ensured that operating cost is low, has very strong engineer applied and is worth.
3, the present invention make process after organic wastewater COD value be reduced to below 60mg/L, colourity less than 30 times, reach recycled water standard；Treated sewage reusing, it may be achieved enterprise's organic wastewater zero-emission.
4, the present invention adopts technology and the means such as the Reusability of cyclone mixer tune pH value, air blast acceleration stirring and evenly mixing, Magneto separate and catalyst, makes cost for wastewater treatment per ton decline 50.0～78.0%, therefore cost is low.
Therefore, the present invention has the advantages that technique is simple, workable, it is little to invest, operating cost is low and processes waste water quality COD wide ranges.
Accompanying drawing explanation
Fig. 1 is a kind of process flow diagram of the present invention；
Fig. 2 is a kind of structural representation of catalyst separation post 4 in Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described, not the restriction to its protection domain.
For avoiding repeating, first by as follows for catalyst separation post 4 Unify legislation described in this detailed description of the invention, embodiment repeats no more:
As shown in Figure 2: described catalyst separation post 4 includes housing 15, reduction sleeve 9, motor 7, power transmission shaft 8, stirring paddle 14 and chain 13.Housing 15 is hollow cylinder by top and bottom is the entirety that hollow cone forms, and down, vertex of a cone place is provided with discharge pipeline 11 to the vertex of a cone of hollow cone, and the outer surface near the vertex of a cone is provided with Magnet 12, and the inclination alpha of hollow cone is 30～60 °.The coaxial heart of reduction sleeve 9 is arranged in hollow cylinder body, the upper end of reduction sleeve 9 is fixed on the upper end of hollow cylinder by fixed mount, motor 7 is arranged on the middle position of fixed mount, the coaxial heart of power transmission shaft 8 is arranged in reduction sleeve 9, one end of power transmission shaft 8 is connected with motor 7 axle, the other end of power transmission shaft 8 is fixing with stirring paddle 14 to be connected, and 14 two blade ends in the two ends of chain 13 and stirring paddle are corresponding to be connected.The upper end of reduction sleeve 9 has water inlet 6, and the opposite side on hollow cylinder top has outlet 10.The top of reduction sleeve 9 is hollow cylinder, and the bottom of reduction sleeve 9 is bell mouth shape.The angle of 14 two blades of stirring paddle is equal with the bell-mouthed cone angle of reduction sleeve 9, and the length of chain 13 is 1.2～1.5 times of 14 two blade end distances of stirring paddle.
Embodiment 1
A kind of method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater.The organic wastewater of the present embodiment Regeneration Treatment takes from the water outlet after certain integrated iron and steel works' Coking Plant Wastewater secondary biochemical treatment: COD value is 150～300mg/L, and colourity is 300～400 times, pH value 6.5～8.2.
The method of organic wastewater described in the present embodiment Regeneration Treatment is as shown in Figure 1:
Step one, add mineral acid to the organic wastewater entering cyclone mixer 1, regulate pH to 3.5～6, regulate the acidifying organic wastewater after pH and enter catalytic degradation reaction device 2.
Step 2, imitative enzyme type magnetic catalyst is equipped with in the catalytic degradation reaction device 2 of acidifying organic wastewater, adds H2O2, imitative enzyme type magnetic catalyst H2O2Mass ratio be 1 1.0～1.5.Then, under 20～30 DEG C of conditions, stir 60～90min with aerator 3 air blast, obtain suspension.
Step 3, by suspension from flowing in catalyst separation post 4, under the action of a magnetic field of Magnet 12, stand 10～20min.Then through return duct 5, the mimetic enzyme catalyst of lower floor is back to catalytic degradation reaction device 2 to recycle, the supernatant is used as industrial regeneration water.
Described mineral acid is sulphuric acid, and the concentration of mineral acid is 1mol/L.
Described imitative enzyme type magnetic catalyst is Fe3O4The mixture of the imitative enzyme of nano-particle and carrier；Wherein: Fe3O4The mass ratio of the imitative zymophore of nano-particle is 5～15 100, Fe3O4Nano particle diameter is 20～100nm, and carrier is bentonite.
The intensity in described magnetic field is 0.1～0.18T.
After the present embodiment process, the COD value of the industrial regeneration water of gained is reduced to 51.7～52.6mg/L, COD clearance is 65.5～82.5%；Colourity 29～30 times, chroma removal rate 90.3～92.5%.Meet country's recycled water standard (COD≤60mg/L, colourity≤30 times).
Embodiment 2
A kind of method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater.The organic wastewater of the present embodiment Regeneration Treatment takes from the water outlet after certain independent Coking Plant Wastewater secondary biochemical treatment, and COD value is 250～450mg/L, and colourity is 400～600 times, pH value 6.2～8.5.
The method of organic wastewater described in the present embodiment Regeneration Treatment is as shown in Figure 1:
Step one, add mineral acid to the organic wastewater entering cyclone mixer 1, regulate pH to 3.5～6, regulate the acidifying organic wastewater after pH and enter catalytic degradation reaction device 2.
Step 2, imitative enzyme type magnetic catalyst is equipped with in the catalytic degradation reaction device 2 of acidifying organic wastewater, adds H2O2, imitative enzyme type magnetic catalyst H2O2Mass ratio be 1 1.5～2.0.Then, under 20～30 DEG C of conditions, stir 65～95min with aerator 3 air blast, obtain suspension.
Step 3, by suspension from flowing in catalyst separation post 4, under the action of a magnetic field of Magnet 12, stand 12～21min.Then through return duct 5, the mimetic enzyme catalyst of lower floor is back to catalytic degradation reaction device 2 to recycle, the supernatant is used as industrial regeneration water.
Described mineral acid is sulphuric acid, and the concentration of mineral acid is 1mol/L.
Described imitative enzyme type magnetic catalyst is Fe3O4The mixture of the imitative enzyme of nano-particle and carrier；Wherein: Fe3O4The mass ratio of the imitative zymophore of nano-particle is 10～20 100, Fe3O4Nano particle diameter is 20～100nm, and carrier is bentonite.
The intensity in described magnetic field is 0.18～0.25T.
After the present embodiment process, the COD value of the industrial regeneration water of gained is reduced to 53.5～54.4mg/L, COD clearance is 78.6～88.0%；Colourity 29～29.5 times, chroma removal rate 90.3～95.1%.Meet country's recycled water standard (COD≤60mg/L, colourity≤30 times).
Embodiment 3
A kind of method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater.The organic wastewater of the present embodiment Regeneration Treatment takes from the water outlet after certain New Coal Chemical Coking Plant Wastewater secondary biochemical treatment: COD value is 400～600mg/L, and colourity is 500～700 times, pH value 5.8～8.0.
The method of organic wastewater described in the present embodiment Regeneration Treatment is as shown in Figure 1:
Step one, add mineral acid to the organic wastewater entering cyclone mixer 1, regulate pH to 3.5～6, regulate the acidifying organic wastewater after pH and enter catalytic degradation reaction device 2.
Step 2, imitative enzyme type magnetic catalyst is equipped with in the catalytic degradation reaction device 2 of acidifying organic wastewater, adds H2O2, imitative enzyme type magnetic catalyst H2O2Mass ratio be 1 2.0～2.5.Then, under 20～30 DEG C of conditions, stir 70～100min with aerator 3 air blast, obtain suspension.
Step 3, by suspension from flowing in catalyst separation post 4, under the action of a magnetic field of Magnet 12, stand 14～22min.Then through return duct 5, the mimetic enzyme catalyst of lower floor is back to catalytic degradation reaction device 2 to recycle, the supernatant is used as industrial regeneration water.
In the present embodiment: described mineral acid is sulphuric acid, the concentration of mineral acid is 1mol/L.
Described imitative enzyme type magnetic catalyst is Fe3O4The mixture of the imitative enzyme of nano-particle and carrier；Wherein: Fe3O4The mass ratio of the imitative zymophore of nano-particle is 5～15 100, Fe3O4Nano particle diameter is 20～100nm, and carrier is carbon based material.
The intensity in described magnetic field is 0.25～0.32T.
After the present embodiment process, the COD value of the industrial regeneration water of gained is reduced to 56.6～58.7mg/L, COD clearance is 85.9～90.2%；Colourity 28～29 times, chroma removal rate 94.4～95.9%.Meet country's recycled water standard (COD≤60mg/L, colourity≤30 times).
Embodiment 4
A kind of method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater.The organic wastewater of the present embodiment Regeneration Treatment takes from the water outlet after certain semi-coke factory waste water secondary biochemical treatment: COD value is 500～700mg/L, and colourity is 600～800 times, pH value 6.5～8.2.
The method of organic wastewater described in the present embodiment Regeneration Treatment is as shown in Figure 1:
Step one, add mineral acid to the organic wastewater entering cyclone mixer 1, regulate pH to 3.5～6, regulate the acidifying organic wastewater after pH and enter catalytic degradation reaction device 2.
Step 2, imitative enzyme type magnetic catalyst is equipped with in the catalytic degradation reaction device 2 of acidifying organic wastewater, adds H2O2, imitative enzyme type magnetic catalyst H2O2Mass ratio be 1 2.5～3.2.Then, under 20～30 DEG C of conditions, stir 75～105min with aerator 3 air blast, obtain suspension.
Step 3, by suspension from flowing in catalyst separation post 4, under the action of a magnetic field of Magnet 12, stand 15～23min.Then through return duct 5, the mimetic enzyme catalyst of lower floor is back to catalytic degradation reaction device 2 to recycle, the supernatant is used as industrial regeneration water.
In the present embodiment: described mineral acid is hydrochloric acid, the concentration of mineral acid is 1mol/L.
Described imitative enzyme type magnetic catalyst is Fe3O4The mixture of the imitative enzyme of nano-particle and carrier；Wherein: Fe3O4The mass ratio of the imitative zymophore of nano-particle is 10～20 100, Fe3O4Nano particle diameter is 20～100nm, and carrier is carbon based material.
The intensity in described magnetic field is 0.32～0.39T.
After the present embodiment process, the COD value of the industrial regeneration water of gained is reduced to 57.2～58.0mg/L, COD clearance is 88.6～92.8%；Colourity 29～30 times, chroma removal rate 95.2～96.2%.Meet country's recycled water standard (COD≤60mg/L, colourity≤30 times).
Embodiment 5
A kind of method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater.The organic wastewater of the present embodiment Regeneration Treatment takes from the water outlet after certain gas factory Coking Plant Wastewater secondary biochemical treatment: COD is set to 700～1000mg/L, and colourity is 750～1000 times, pH value 6.6～8.4.
The method of organic wastewater described in the present embodiment Regeneration Treatment is as shown in Figure 1:
Step one, add mineral acid to the organic wastewater entering cyclone mixer 1, regulate pH to 3.5～6, regulate the acidifying organic wastewater after pH and enter catalytic degradation reaction device 2.
Step 2, imitative enzyme type magnetic catalyst is equipped with in the catalytic degradation reaction device 2 of acidifying organic wastewater, adds H2O2, imitative enzyme type magnetic catalyst H2O2Mass ratio be 1 3.2～4.0.Then, under 20～30 DEG C of conditions, stir 80～110min with aerator 3 air blast, obtain suspension.
Step 3, by suspension from flowing in catalyst separation post 4, under the action of a magnetic field of Magnet 12, stand 16～25min.Then through return duct 5, the mimetic enzyme catalyst of lower floor is back to catalytic degradation reaction device 2 to recycle, the supernatant is used as industrial regeneration water.
In the present embodiment: described mineral acid is hydrochloric acid, the concentration of mineral acid is 1mol/L.
Described imitative enzyme type magnetic catalyst is Fe3O4The mixture of the imitative enzyme of nano-particle and carrier；Wherein: Fe3O4The mass ratio of the imitative zymophore of nano-particle is 5～15 100, Fe3O4Nano particle diameter is 20～100nm, and carrier is porous silica material.
The intensity in described magnetic field is 0.39～0.45T.
After the present embodiment process, the COD value of the industrial regeneration water of gained is reduced to 57.6～59.0mg/L, COD clearance is 91.8～94.1%；Colourity 29～30 times, chroma removal rate 95.9～97.0%.Meet country's recycled water standard (COD≤60mg/L, colourity≤30 times).
Embodiment 6
A kind of method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater.The organic wastewater of the present embodiment Regeneration Treatment takes from the water outlet after certain Zhi Qi factory Coking Plant Wastewater secondary biochemical treatment: COD value is 900～1500mg/L, and colourity is 1000～1200 times, and pH value is 6.7～8.5.
The method of organic wastewater described in the present embodiment Regeneration Treatment is as shown in Figure 1:
Step one, add mineral acid to the organic wastewater entering cyclone mixer 1, regulate pH to 3.5～6, regulate the acidifying organic wastewater after pH and enter catalytic degradation reaction device 2.
Step 2, imitative enzyme type magnetic catalyst is equipped with in the catalytic degradation reaction device 2 of acidifying organic wastewater, adds H2O2, imitative enzyme type magnetic catalyst H2O2Mass ratio be 1 4.0～4.5.Then, under 20～30 DEG C of conditions, stir 90～120min with aerator 3 air blast, obtain suspension.
Step 3, by suspension from flowing in catalyst separation post 4, under the action of a magnetic field of Magnet 12, stand 20～30min.Then through return duct 5, the mimetic enzyme catalyst of lower floor is back to catalytic degradation reaction device 2 to recycle, the supernatant is used as industrial regeneration water.
Described mineral acid is hydrochloric acid, and the concentration of mineral acid is 1mol/L.
Described imitative enzyme type magnetic catalyst is Fe3O4The mixture of the imitative enzyme of nano-particle and carrier；Wherein: Fe3O4The mass ratio of the imitative zymophore of nano-particle is 10～20 100, Fe3O4Nano particle diameter is 20～100nm, and carrier is the one in bentonite, carbon based material, porous silica material.
The intensity in described magnetic field is 0.45～0.5T.
After the present embodiment process, the COD value of the industrial regeneration water of gained is reduced to 58.3～59.4mg/L, COD clearance is 93.5～96.0%；Colourity 29～30 times, chroma removal rate 97.1～97.5%.Meet country's recycled water standard (COD≤60mg/L, colourity≤30 times).
This detailed description of the invention compared with prior art has the advantage that
1, present invention process is extremely succinct, and compact conformation takes up an area little, invests little, workable.
2, the technique of the present invention and equipment thereof are reasonable in design, can realize catalytic degradation, catalyst effectively and recycle, it is ensured that operating cost is low, has very strong engineer applied and is worth.
3, the technique of the present invention and equipment thereof are simple to operate, process former organic wastewater wide ranges, make the organic wastewater COD value after process be reduced to below 60mg/L, colourity less than 30 times, reach recycled water standard；Treated sewage reusing, it may be achieved enterprise's organic wastewater zero-emission.
Technology and the means such as 4, the present invention utilizes cyclone mixer to adjust pH value, and stirring, mixing are accelerated in air blast, the Reusability of Magneto separate and catalyst, make cost for wastewater treatment per ton 2～5 yuan/ton.
Therefore, the present invention has concise in technology, workable, wider process range, invest little, operating cost is low, the effect of green technology and energy-saving and emission-reduction.
Claims (5)
1. the method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater, it is characterised in that described method is:
Step one, add mineral acid to the organic wastewater entering cyclone mixer (1), regulate pH to 3.5 ~ 6, regulate the acidifying organic wastewater after pH and enter catalytic degradation reaction device (2)；
Step 2, imitative enzyme type magnetic catalyst is equipped with in the catalytic degradation reaction device (2) of acidifying organic wastewater, adds H2O2, imitative enzyme type magnetic catalyst H2O2Mass ratio be 11 ~ 4.5；Then, under 20 ~ 30 DEG C of conditions, stir 60 ~ 120min with aerator (3) air blast, obtain suspension；
Step 3, will suspension from flowing in catalyst separation post (4), under Magnet (12) the action of a magnetic field, stand 10 ~ 30min；Then through return duct (5), the mimetic enzyme catalyst of lower floor is back to catalytic degradation reaction device (2) to recycle, the supernatant is used as industrial regeneration water；
Described catalyst separation post (4) includes housing (15), reduction sleeve (9), motor (7), power transmission shaft (8), stirring paddle (14) and chain (13)；Housing (15) is hollow cylinder by top and bottom is the entirety that hollow cone forms, the vertex of a cone of hollow cone is down, vertex of a cone place is provided with discharge pipeline (11), outer surface near the vertex of a cone is provided with Magnet (12), and the inclination alpha of hollow cone is 30 ~ 60o；The coaxial heart of reduction sleeve (9) is arranged in hollow cylinder body, the upper end of reduction sleeve (9) is fixed on the upper end of hollow cylinder by fixed mount, motor (7) is arranged on the middle position of fixed mount, the coaxial heart of power transmission shaft (8) is arranged in reduction sleeve (9), one end of power transmission shaft (8) is connected with motor (7) axle, the other end of power transmission shaft (8) is fixing with stirring paddle (14) to be connected, and the two ends of chain (13) are corresponding with two blade ends of stirring paddle (14) to be connected；The upper end of reduction sleeve (9) is provided with water inlet (6), and the opposite side on hollow cylinder top has outlet (10)；The top of reduction sleeve (9) is hollow cylinder, and the bottom of reduction sleeve (9) is bell mouth shape；The angle of (14) two blades of stirring paddle is equal with the bell-mouthed cone angle of reduction sleeve (9), and the length of chain (13) is 1.2 ~ 1.5 times of (14) two blade end distances of stirring paddle.
2. the method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater according to claim 1, it is characterised in that the COD value of described organic wastewater is 150 ~ 1500mg/L, and the colourity of organic wastewater is 300 ~ 1200 times.
3. the method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater according to claim 1, it is characterised in that described mineral acid is sulphuric acid or is hydrochloric acid, and the concentration of mineral acid is 1mol/L.
4. the method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater according to claim 1, it is characterised in that described imitative enzyme type magnetic catalyst is Fe3O4The mixture of the imitative enzyme of nano-particle and carrier；Wherein: Fe3O4The mass ratio of the imitative zymophore of nano-particle is 5 ~ 20 100, Fe3O4Nano particle diameter is 20 ~ 100nm, and carrier is the one in bentonite, carbon based material, porous silica material.
5. the method adopting imitative enzyme type magnetic catalyst Regeneration Treatment organic wastewater according to claim 1, it is characterised in that the intensity in described magnetic field is 0.1 ~ 0.5T.
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| CN105928892B (en) * | 2016-04-12 | 2019-01-04 | 中山大学 | Application of the cubic boron nitride as Mimetic Peroxidase |
| CN107159301A (en) * | 2017-04-28 | 2017-09-15 | 复旦大学 | A kind of base supported mimetic enzyme catalyst of zeolite and its preparation method and application |
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