CN108328677A - A kind of Multifunctional environment friendly composite material and preparation method and application - Google Patents
A kind of Multifunctional environment friendly composite material and preparation method and application Download PDFInfo
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- CN108328677A CN108328677A CN201810191467.7A CN201810191467A CN108328677A CN 108328677 A CN108328677 A CN 108328677A CN 201810191467 A CN201810191467 A CN 201810191467A CN 108328677 A CN108328677 A CN 108328677A
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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
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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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
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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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
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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
- C02F1/722—Oxidation by peroxides
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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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Water Treatment By Sorption (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of Multifunctional environment friendly composite material and preparation method and applications, and the composite material is mainly by modified activated carbon, sustained release agent, complexing agent in mass ratio 42:3‑2:1 is mixed, and the modified activated carbon is crossed activated carbon with strong acid treatment by iron ion and is made in mass ratio for 0.2 1.0；The sustained release agent is first by calper calcium peroxide, 2 hydroxybenzyl aniline in mass ratio 60 40：1 forms solid phase, then presses solid-liquid mass ratio 1 by solid phase and liquid phase biological flocculant:15 20 form.The composite material not only high treating effect, efficient, it is important that its material has ecological friendly, the group of one side material becomes environment-friendly material and Biodegradable material, itself largely reduce the pollution to environment, on the other hand the comprehensive treatment to water body reduces water pollution once again risk.
Description
Technical field
The invention belongs to environmental applications field of material technology, and in particular to arrive a kind of Multifunctional environment friendly composite material
And its preparation method and application.
Background technology
Cities and towns water body is the important repository of freshwater resources and water cycle important channel.In recent years, due to economical, construction
Fast development, even industrial wastewater is unprocessed is directly discharged into cities and towns water body for a large amount of sanitary sewage, seriously polluted Urban Water
Body causes black and odorous water phenomenon increasingly severe.
Currently, the recovery technique of black and odorous water is mainly artificial aeration, and calper calcium peroxide chance water reaction can generate a large amount of oxygen
Gas and having many advantages, such as is simple to operate and friendly to environment, oxygen release is efficient, price is excellent honest and clean, and calper calcium peroxide be dissolved in water after urging
Agent (Fe2+、Fe3+Deng) can react under existence condition generates OH and OH-, the strong oxidizing property of OH can promote difficult to degrade
The decomposition of organic pollution, while the oxygen release amount of calper calcium peroxide increases the dissolved oxygen of water body, makes body eutrophication, nitrogen phosphorus sulphur
Pollution is effectively controlled.By the addition of Dissolved Oxygen in Water, water body pH is reduced, adds catalyst (Fe2+、Fe3+Deng) deposit
Effectively facilitating effective reparation of heavy metal in water body and bed mud.Therefore, calper calcium peroxide and catalyst (Fe2+、Fe3+Deng)
In conjunction with the effective means for being processing black and odorous water.However, calper calcium peroxide oxidisability is extremely strong and easily causes water body pH and is substantially increased,
To generate inhibiting effect to microorganism；In addition, calper calcium peroxide is met, water reaction is extremely rapid, and too fast decomposition rate leads to moment
A large amount of oxygen releases cause the problems such as oxygen utilization rate is low, the oxygen release duration is short, oxygen release is ineffective.Currently, slow-release oxygen release agent
It is mainly prepared by embedding fixation, includes mainly two kinds of forms：Uniformly hybrid embedding and capsule-type package.Wherein
Capsule-type immobilization method is since object is wrapped in inside embedding medium, and object will be exposed to after embedding medium dissolving
It reacts in environment and rapidly.Though and use uniformly mixing embedding immobilization way can by embedding agent concentration and
The selection of filler controls object rate of release, but increases engineering construction to a certain extent, chemical consumption,
The shortcomings of delaying progress.In order to more improve water technology, black and odorous water regulation effect is improved, is badly in need of providing a kind of new
Multifunctional environment friendly composite material administers water pollution.
Invention content
Goal of the invention：In view of the problems of the existing technology, the present invention provides a kind of Multifunctional environment friendly composite wood
Material, the composite material realize the efficient removal to water pollutant, a bed mud huge sum of money by the effects that absorption, flocculation, oxidation, complexing
The effective passivation belonged to, reduces secondary pollution risk existing for water quality, and not only treatment effect, efficiency are higher than common material, important
Be its material there is ecological friendly, the group of one side material to become environment-friendly material and Biodegradable material, itself
Largely reduce the pollution to environment, on the other hand to the comprehensive treatment of water body, reduces water pollution once again risk, together
When convenient for follow-up bed mud ecology dredging recycling.
Technical solution：To achieve the goals above, a kind of Multifunctional environment friendly composite material as described herein, it is main
It will be by modified activated carbon (GC), sustained release agent (GO), complexing agent (4-2) in mass ratio:(3-2):1 is mixed, described by being modified
Activated carbon is crossed activated carbon with strong acid treatment by iron ion and is made in mass ratio of 0.2-1.0；The sustained release agent first by calper calcium peroxide,
2- hydroxybenzyls aniline (60-40) in mass ratio：1 forms solid phase, then presses solid-liquid mass ratio by solid phase and liquid phase biological flocculant
1:(15-20) is formed.
Wherein, the strong acid is hydrochloric acid, nitric acid or sulfuric acid, and sour a concentration of 1mol/L, activated carbon and sour ratio are 1:
10-15g/mL。
The iron ion exists in the form of ferrous sulfate, iron chloride or ferric nitrate, and the mass ratio of iron and activated carbon is
0.2-1.0。
The complexing agent is biodegradable complexing agent EDDS.
The liquid phase biological flocculant is the biological flocculant aqueous solution that mass concentration is 0.01%-1%.Liquid phase biology is wadded a quilt with cotton
Solidifying agent is high molecular polymer, is that one kind is generated by microorganism, solid suspended particle not degradable in liquid can be made to agglomerate,
The special macromolecule metabolite of precipitation, nonionic biological flocculant are using sucrose as raw material, in the micro- of bioengineering extraction
Under the catalytic action of biological ectoenzyme, by Enzyme catalyzed synthesis, processing, finally formed organic high molecular polymer,
The preparation method of Multifunctional environment friendly composite material of the present invention, includes the following steps：
(1) Activated Carbon Pretreatment：Be cleaned by ultrasonic after taking activated carbon to be rinsed well with deionized water, change repeatedly boiling boiling until
Water is clean, dry to constant weight, obtains Pre-Treatment of Activated carbon-type seal and saves backup；
(2) activated carbon modified：Pre-Treatment of Activated charcoal in step (1) is taken, filters and is used in combination after addition strong acid solution immersion 1-2h
Deionized water is washed till neutrality, and drying to constant weight at 70-80 DEG C；
(3) acid treated activated carbon is taken, ferric ion solutions are added, infusion method impregnates 1-2h, deionized water is used after filtering
Until being washed till filtrate non-iron-ion, drying to constant weight, obtains modified activated carbon, is sealed spare；
(4) calper calcium peroxide and 2- hydroxybenzyl aniline be made under powder room temperature be mixed evenly in proportion for solid phase at
Point, liquid phase biological flocculant is carried out to solid phase in proportion by embedding by solid-liquid two-phase flow device and forms sustained release agent；
(5) modified activated carbon, sustained release agent, complexing agent are squeezed into particle by mold in proportion, are dried under vacuum to constant weight, obtain
To composite material.
Wherein, step (1) the ultrasonic cleaning 20-30min, drying temperature are 105-110 DEG C.
Generally use 1g activated carbons correspond to the acid of 10mL, acid concentration 1mol/L in step (2), and type can be hydrochloric acid, nitre
Acid, sulfuric acid；Iron concentration is 1mol/L,
The mass ratio of iron ion and acid treated activated carbon is 0.2-1.0 in step (3), and ferrous solution type can be sulfuric acid
Ferrous, iron chloride and ferric nitrate etc..Step (3) soaking time is 1-2h, and the drying temperature is 55-60 DEG C.
Wherein, step (5) the vacuum drying temperature is no more than 40 DEG C, and die size can be dh=20 × 5mm.
Application of the Multifunctional environment friendly composite material of the present invention in black and odorous water system.
The Multifunctional environment friendly composite material of the present invention is mixed with by iron-loaded modified activated carbon, slow-release oxygen agent, EDDS
It forms, is used in black smelly polluted-water afterwards.It is realized to the efficient of pollutant using synergy such as absorption, flocculation, oxidation, complexings
Removal, effective passivation of heavy metal reaches water quality in black and odorous water, shale synchronizes improvement.Iron-loaded modified activated carbon and peroxide
Fenton-like can be formed in water body by changing slow-release oxygen agent prepared by calcium, on the one hand realized Fenton effect, reached the height of pollutant
Effect degradation；On the one hand conduct oneself with dignity again using activated carbon and realize the suspension settlement of material, reach coming into full contact with for water pollution, simultaneously
The absorption of activated carbon, flocculation of biological flocculant etc. can also realize the part removal to water pollutant.In order to prevent in system
Iron ion hydrolytic precipitation influences iron ion utilization rate, adds biodegradable complexing agent EDDS, realizes the network to iron ion
It closes, while also can reach effective complexing to heavy metal, reduce its bio-toxicity and efficiently using property.Ecological friendly materials are by more
Kind of material, is prepared under different process, and the mutual synergy between material is played to greatest benefit, while technique
It flexibly uses so that stock utilization maximizes.
Compared with common Fenton-like system, the present invention replaces hydrogen peroxide using solid peroxygen calcium, while being added micro
Chemical intermediate 2- hydroxybenzyls aniline decomposition rate that calper calcium peroxide can be prevented too fast lead to moment a large amount of oxygen releases, cause
The problems such as oxygen utilization rate is low, the oxygen release duration is short, oxygen release is ineffective, can slow down oxygen release rate, improve effective profit of oxygen
With rate, the utilization rate that can further improve calper calcium peroxide is combined with the package of biological flocculant, while also may be used with the combination of EDDS
Buffer system pH, reduce to microorganism generate inhibiting effect, expand class Fenton's reaction condition, using material further genralrlization with
Using.
The composite material of the present invention is ecological friendly materials compared with common sewage treating material, not only treatment effect, effect
Rate is higher than common material, it is important that its material has an ecological friendly, the composition environment-friendly material of one side material and can
Biodegradation material itself largely reduces the pollution to environment, on the other hand to the comprehensive treatment of water body, reduces water
Matter secondary pollution risk, while convenient for the ecology dredging recycling of follow-up bed mud.
All reagents are commercially available in the present invention, wherein activated carbon purchase develops limited in Nanjing Teng Chun biotechnologies
Company；Biological flocculant is bought in Nanjing Heng Bang biological environmental productions Co., Ltd；EDDS purchases are in the cruel that bioengineering of Anhui biology
Co., Ltd.
Advantageous effect：Compared with prior art, the present invention has the following effects that：
1, Multifunctional environment friendly composite material prepared by the present invention is used for water with sustained release agent made from traditional investment
The effect of processing is compared, and oxygen release amount, slow-release time are all higher than traditional sewage-treating agent, composite material or sustained release agent etc., together
When in composite material Jing Guo compression forming be more conducive to delay the release of oxygen, improve the utilization rate of calper calcium peroxide, slow down the big of pH
Amplitude changes, and is conducive to water ecology activity and carries out.
2, it the characteristics of a variety of for the black and odorous water pollution of the Multifunctional environment friendly composite material for preparing of the present invention, is used for
Water process largely improves the removal effect of pollutant by the combination of modified activated carbon, sustained release agent, complexing agent, especially
It is nitrogen phosphorus, heavy metals removal etc., reaches good Water quality restoration effect, effect is generally higher than the common water treatment agent in market；This
Micro chemical intermediate 2- hydroxybenzyl aniline is added simultaneously in the use of the environmentally friendly calper calcium peroxide of invention, then by can
The embedding of biodegradable biopolymer such as biological flocculant, while the modified activated carbon rich in iron ion uses,
Environmental treatment effect is not only reached, it is often more important that slows down the harm to environment.
3, Multifunctional environment friendly composite material and preparation method thereof of the invention is simple and convenient, selects solid-liquid two-phase flow
Prepared by device, it is ensured that the embedding of sustained release agent, mixed effect have the advantages that saving drug, use modified activated carbon, sustained release
Agent, the combination of complexing agent can be extensively using industrial productions.
Specific implementation mode
The present invention will be further described with reference to embodiments.
Embodiment 1
(1) Activated Carbon Pretreatment：Be cleaned by ultrasonic 30min after taking 20g activated carbons to be rinsed well with deionized water, after use electric furnace
It boils, it is clean to water to change boiling repeatedly, is then placed in baking oven, and 110 DEG C of dryings obtain pretreated activated carbon to constant weight, in
It is saved backup in hermetic bag；
(2) activated carbon modified：The pretreated activated carbon that mass fraction is 80% in step (1) is taken, is added 160mL's
Filter and be washed with deionized water to neutrality after the salt acid soak 1h of 1mol/L, 80 DEG C drying to constant weight, obtain acid treated activity
Charcoal；
(3) it is 80% to take acid treated activated carbon to take mass fraction in step (2), be added iron ion with after acid processing
Activated carbon mass ratio be 0.5 1mol/L ferric chloride solution, infusion method impregnate 1h, be washed with deionized water after filtering to filter
Until liquid non-iron-ion, drying to constant weight in 60 DEG C, obtains modified activated carbon, is saved backup in vacuum seal bag；
(4) calper calcium peroxide is made with 2- hydroxybenzyl aniline in mass ratio 50 under powder room temperature:1 to be mixed evenly be solid
Phase constituent, by solid-liquid two-phase flow device (patent No. 201320694656.9) by liquid phase ingredient be 0.01% (m/m) life
Object flocculant aqueous solution presses solid-liquid mass ratio 1:15 pairs of solid phases carry out embedding and form sustained release agent；
(5) by modified activated carbon, sustained release agent, complexing agent in mass ratio 2:2:1 by inserting mold, and die size can be dh
=20 × 5mm is squeezed into particle through mold, and 40 DEG C are dried under vacuum to constant weight, obtain composite material.
Embodiment 2
(1) Activated Carbon Pretreatment：Be cleaned by ultrasonic 20min after taking 20g activated carbons to be rinsed well with deionized water, after use electric furnace
It boils, it is clean to water to change boiling repeatedly, is then placed in baking oven, and 105 DEG C of dryings obtain pretreated activated carbon to constant weight, in
It is saved backup in hermetic bag；
(2) activated carbon modified：The pretreated activated carbon that mass fraction is 90% in step (1) is taken, is added 180mL's
The sulfuric acid of 1mol/L, which impregnates filter after 2h, to be washed with deionized water to neutrality, and 70 DEG C drying to constant weight, obtains acid treated and is active
Charcoal；
(3) it is 80% to take acid treated activated carbon to take mass fraction in step (2), be added iron ion with after acid processing
Activated carbon mass ratio be 1.0 1mol/L ferric chloride solution, infusion method impregnate 2h, be washed with deionized water after filtering to filter
Until liquid non-iron-ion, drying to constant weight in 55 DEG C, obtains modified activated carbon, is saved backup in vacuum seal bag；
(4) calper calcium peroxide is made with 2- hydroxybenzyl aniline in mass ratio 60 under powder room temperature:1 to be mixed evenly be solid
Phase constituent, by solid-liquid two-phase flow device (patent No. 201320694656.9) by liquid phase ingredient be 0.01% (m/m) life
Object flocculant aqueous solution presses solid-liquid mass ratio 1:20 pairs of solid phases carry out embedding and form sustained release agent；
(5) by modified activated carbon, sustained release agent, complexing agent in mass ratio 4:3:1 by inserting mold, and die size can be dh
=20 × 5mm is squeezed into particle through mold, and 40 DEG C are dried under vacuum to constant weight, obtain composite material.
Embodiment 3
(1) Activated Carbon Pretreatment：Be cleaned by ultrasonic 30min after taking 20g activated carbons to be rinsed well with deionized water, after use electric furnace
It boils, it is clean to water to change boiling repeatedly, is then placed in baking oven, and 110 DEG C of dryings obtain pretreated activated carbon to constant weight, in
It is saved backup in hermetic bag；
(2) activated carbon modified：The pretreated activated carbon that mass fraction is 85% in step (1) is taken, is added 170mL's
Filter and be washed with deionized water to neutrality after the salt acid soak 2h of 1mol/L, 80 DEG C drying to constant weight, obtain acid treated activity
Charcoal；,
(3) it is 85% to take acid treated activated carbon to take mass fraction in step (2), be added iron ion with after acid processing
Activated carbon mass ratio be 0.2 1mol/L ferric chloride solution, infusion method impregnate 2h, be washed with deionized water after filtering to filter
Until liquid non-iron-ion, drying to constant weight in 55 DEG C, obtains modified activated carbon, is saved backup in vacuum seal bag；
(4) calper calcium peroxide is made with 2- hydroxybenzyl aniline in mass ratio 40 under powder room temperature:1 to be mixed evenly be solid
Phase constituent, by solid-liquid two-phase flow device (patent No. 201320694656.9) by liquid phase ingredient be 1% (m/m) biology
Flocculant aqueous solution presses solid-liquid mass ratio 1:18 pairs of solid phases carry out embedding and form sustained release agent；
(5) by modified activated carbon, sustained release agent, complexing agent in mass ratio 2:2:1 by inserting mold, and die size can be dh
=20 × 5mm is squeezed into particle through mold, and 35 DEG C are dried under vacuum to constant weight, obtain composite material.
Embodiment 4
Composite material prepared by Examples 1 and 2, by 2：The ratio of 1g/L is respectively added to certain dirt that moisture content is 80%
In the black and odorous water of dye, the content of each pollution sources is as shown in Tables 1 and 2 in sewage raw water, and the reaction time is that measure result as follows by 7d:
Wherein, comparative example 1 is commercially available commercial materials, the Fenton reagent of specific commercially available ferrous iron+hydrogen peroxide combination；Processing
The process and the same Examples 1 and 2 of amount of the reaction of sewage.
Comparative example 2 is identical as the raw material of embodiment 1 and preparation method, the difference is that being added without 2- hydroxyls in step (4)
Base benzylaniline；The process and the same Examples 1 and 2 of amount of the reaction of treated sewage.
Comparative example 3 is identical as the raw material of embodiment 1 and preparation method, the difference is that being added without liquid phase in step (4)
Biological flocculant；The process and the same Examples 1 and 2 of amount of the reaction of treated sewage.
Comparative example 4 is identical as the raw material of embodiment 2 and preparation method, the difference is that being added without 2- hydroxyls in step (4)
Base benzylaniline；The process and the same Examples 1 and 2 of amount of the reaction of treated sewage.
Comparative example 5 is identical as the raw material of embodiment 2 and preparation method, the difference is that being added without liquid phase in step (4)
Biological flocculant；The process and the same Examples 1 and 2 of amount of the reaction of treated sewage.
Composite material prepared by 1 embodiment 1 of table and contrast material pretreatment black and odorous water experimental result comparison
Composite material prepared by 2 embodiment 2 of table and contrast material pretreatment black and odorous water experimental result comparison
Tables 1 and 2 the result shows that, environmentally friendly composite material of the invention is better than comparative example to the treatment effect of water quality
1-3, after environmentally friendly composite material treated sewage using the present invention compared with comparative example, various contamination indexes are bright in water quality
It is aobvious to reduce, while playing the role of migration-stable in bed mud to the heavy metal in water, reduce the secondary pollution of water quality.
It can relatively be obtained by the data of Tables 1 and 2 simultaneously, 2- hydroxybenzyls are added without in composite material of the invention
Aniline can lead to a large amount of oxygen releases, cause that oxygen utilization rate is low, the oxygen release duration is short, oxygen release is ineffective；And it is added without biology
Flocculant can cause pH to be substantially increased, to generate inhibiting effect, while the tret pair of biopolymer to microorganism
The treatment effect effect of being greatly improved.
Claims (10)
1. a kind of Multifunctional environment friendly composite material, which is characterized in that mainly by modified activated carbon, sustained release agent, complexing agent
(4-2) in mass ratio:(3-2):1 is mixed, described to press quality by iron ion and the processed activated carbon of acid by modified activated carbon
Than being made of 0.2-1.0；The sustained release agent is first by calper calcium peroxide, 2- hydroxybenzyls aniline (60-40) in mass ratio：1 forms admittedly
Phase, then solid-liquid mass ratio 1 is pressed by solid phase and liquid phase biological flocculant:(15-20) is formed.
2. Multifunctional environment friendly composite material according to claim 1, which is characterized in that the acid is preferably salt
The ratio of acid, nitric acid or sulfuric acid, sour a concentration of 1mol/L, activated carbon and acid is 1:10-15g/mL.
3. Multifunctional environment friendly composite material according to claim 1, which is characterized in that the iron ion is with sulfuric acid
Ferrous, iron chloride or ferric nitrate form exist, and the mass ratio of iron and activated carbon is 0.2-1.0.
4. Multifunctional environment friendly composite material according to claim 1, which is characterized in that the complexing agent is that can give birth to
The complexing agent EDDS of object degradation.
5. Multifunctional environment friendly composite material according to claim 1, which is characterized in that the liquid phase bioflocculation
Agent is the biological flocculant aqueous solution that mass concentration is 0.01%-1%.
6. a kind of preparation method of Multifunctional environment friendly composite material described in claim 1, which is characterized in that including such as
Lower step：
(1) Activated Carbon Pretreatment：It is cleaned by ultrasonic after taking activated carbon to be rinsed well with deionized water, changes boiling boiling repeatedly until water is dry
Only, it dries to constant weight, obtains Pre-Treatment of Activated carbon-type seal and save backup；
(2) activated carbon modified：Take Pre-Treatment of Activated charcoal in step (1), be added after strong acid solution impregnates 1-2h filter and spend from
Son is washed to neutrality, and drying to constant weight at 70-80 DEG C, obtains acid treated activated carbon；
(3) take acid treated activated carbon, ferric ion solutions be added, infusion method impregnates 1-2h, be washed with deionized water after filtering to
Until filtrate non-iron-ion, drying to constant weight, obtains modified activated carbon, is sealed spare；
(4) calper calcium peroxide and 2- hydroxybenzyl aniline, which are made under powder room temperature, is mixed evenly in proportion as solid-phase component, leads to
Cross solid-liquid two-phase flow device by liquid phase biological flocculant in proportion to solid phase carry out embedding form sustained release agent；
(5) modified activated carbon, sustained release agent, complexing agent are squeezed into particle by mold in proportion, are dried under vacuum to constant weight, are answered
Condensation material.
7. preparation method according to claim 6, which is characterized in that step (1) the ultrasonic cleaning 20-30min is dry
Temperature is 105-110 DEG C.
8. preparation method according to claim 6, which is characterized in that step (3) described drying temperature is 55-60 DEG C.
9. preparation method according to claim 6, which is characterized in that step (4) the vacuum drying temperature is no more than
40℃。
10. a kind of application of Multifunctional environment friendly composite material described in claim 1 in black and odorous water comprehensive treatment.
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| CN109607822A (en) * | 2018-12-25 | 2019-04-12 | 河海大学 | A kind of Eco-friendly river and lake arsenic improvement composite material and preparation method and application in situ |
| CN110615518A (en) * | 2019-05-07 | 2019-12-27 | 中冶华天工程技术有限公司 | Fenton reaction ferrous iron slow release granule |
| CN111943251A (en) * | 2020-08-20 | 2020-11-17 | 谈芬 | Method for preparing cuprous oxide by using waste copper-tungsten alloy as raw material |
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| 周文等: ""Fe/AC催化过氧化氢降解双酚Ａ"", 《化工学报》 * |
| 王贺飞: ""基于过氧化钙的类-Fenton技术氧化去除地下水中2，4-二氯酚实验研究"", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
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| CN109607822A (en) * | 2018-12-25 | 2019-04-12 | 河海大学 | A kind of Eco-friendly river and lake arsenic improvement composite material and preparation method and application in situ |
| CN109607822B (en) * | 2018-12-25 | 2022-03-08 | 河海大学 | Eco-friendly composite material for in-situ treatment of arsenic in rivers and lakes and preparation method and application thereof |
| CN110615518A (en) * | 2019-05-07 | 2019-12-27 | 中冶华天工程技术有限公司 | Fenton reaction ferrous iron slow release granule |
| CN110615518B (en) * | 2019-05-07 | 2022-05-24 | 中冶华天工程技术有限公司 | Fenton reaction ferrous iron slow release granule |
| CN111943251A (en) * | 2020-08-20 | 2020-11-17 | 谈芬 | Method for preparing cuprous oxide by using waste copper-tungsten alloy as raw material |
| CN111943251B (en) * | 2020-08-20 | 2021-07-02 | 苏州维格纳信息科技有限公司 | Method for preparing cuprous oxide by using waste copper-tungsten alloy as raw material |
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