CN110294512A - A kind of quantum cracking reaction method and its reactor for sewage treatment - Google Patents

A kind of quantum cracking reaction method and its reactor for sewage treatment Download PDF

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Publication number
CN110294512A
CN110294512A CN201910716480.4A CN201910716480A CN110294512A CN 110294512 A CN110294512 A CN 110294512A CN 201910716480 A CN201910716480 A CN 201910716480A CN 110294512 A CN110294512 A CN 110294512A
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China
Prior art keywords
microwave
quantum
sewage
sewage treatment
cracker
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CN201910716480.4A
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Chinese (zh)
Inventor
吴昌泰
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Chongqing Changtai Water Treatment Co Ltd
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Chongqing Changtai Water Treatment Co Ltd
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Priority to CN201910716480.4A priority Critical patent/CN110294512A/en
Publication of CN110294512A publication Critical patent/CN110294512A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122Incoherent waves
    • B01J19/126Microwaves
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • C02F1/302Treatment of water, waste water, or sewage by irradiation with microwaves
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/722Oxidation by peroxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/12Processes employing electromagnetic waves
    • B01J2219/1203Incoherent waves
    • B01J2219/1206Microwaves
    • B01J2219/1248Features relating to the microwave cavity
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)

Abstract

The invention discloses a kind of quantum cracking reaction methods and its reactor for sewage treatment, strong microwave field (electric field > 100kV/m) is established in reactor, dirty underwater bubble is ionized and generates high-energy electron (~100eV), it is heated by the collision of high energy electron and organic molecule, targetedly improve the kinetic energy of organic molecule in sewage, increase reaction cross-section, difficult biochemical and hardly degraded organic substance decomposition and cracking are realized in a mild condition, to replace the harsh conditions (acid condition required such as conventional Fenton's reaction of conventional high level oxidation technology requirement, the high-temperature and high-pressure conditions etc. that catalytic wet oxidation requires), reduce the processing cost of dirty Organic substance in water, improve treatment effeciency.

Description

A kind of quantum cracking reaction method and its reactor for sewage treatment
Technical field
It is specifically a kind of to be used for sewage treatment the invention belongs to bio-refractory material technology field of degrading in sewage treatment Quantum cracking reaction method and its reactor.
Background technique
Water pollution species are extremely complex, can generally be divided into inorganic ions, heavy metal ion and organic pollutant three Major class.In the priority pollutants list that various countries propose, organic pollutant is priority control object.Influence water environment matter The organic pollutant of amount is mainly derived from sanitary sewage and industrial wastewater, especially industrial wastewater.Its complicated component, variation water quality Greatly, it is useless to become one kind that processing difficulty is big, treatment effeciency is low for the features such as coloration is deep, Toxic content is high, biodegradability is poor Water.Since many toxic organic pollutants cannot be using traditional biology and physical method processing, many countries are being thrown Enter a large amount of manpower and material resources and carries out exploration and research and development in relation to new technology, new method.
Advanced chemical oxidation is the very effective method for decomposing these hardly degraded organic substances, in the past 20 years, various height Grade oxidizing process is found simultaneously to apply in water treatment field rapidly, mainly includes photochemical catalytic oxidation, sonochemical oxidation, electrochemistry oxygen Change, wet oxidation, supercritical water oxidation etc., these methods are exactly that organic molecule kinetic energy is made to reach chemical reaction threshold value, especially It is wet oxidation, is realized by improving the means of temperature, therefore wet oxidation must be in high temperature (125~320 DEG C) and high pressure It is carried out under harsh conditions as (0.5~20MPa), but the use condition of this harshness limits application and the hair of the technology Exhibition.
There is the organic wastewater of a large amount of biochemistry with high salt, difficult to degrade, difficult in industrial wastewater simultaneously, such as phenolic compound, this is The substance of a kind of toxic bio-refractory is widely used as the centre of preservative, herbicide, insecticide and pharmaceuticals preparation Body.Due to strong toxicity and bio-refractory, phenol wastewater has to pass through specially treated before discharging, at present to the master of the substance Want processing method to have biochemical method, incineration method, chemical method, wherein biochemical method only for handle low concentration chlorophenols effect compared with It is good, and the longer reaction time is needed, incineration method is easy to produce other noxious materials, and chemical method is primarily referred to as wet oxidation Method needs harsh conditions as high temperature (125~320 DEG C) and high pressure (0.5~20MPa), causes processing cost higher.
Summary of the invention
It is an object of the invention to overcome the technical problem of the mass degradation of bio-refractory in existing sewage treatment hardly possible, mention For a kind of quantum cracking reaction method and its reactor for sewage treatment.
To achieve the above object, The technical solution adopted by the invention is as follows:
A kind of quantum cracking reaction method for sewage treatment, sewage-treating agent is added in sewage, draws into sewage Enter bubble, and establishes strong microwave field of the microwave electric field greater than 100kV/m in sewage reaction system.
The bubble in strong microwave field and sewage is combined in the present invention, in small part (i.e. near bubble), is realized normal The harsh conditions that advanced oxidation reaction requires are advised, and (in i.e. entire reaction chamber) are being macroscopically that (i.e. room temperature is normal for temperate condition Pressure), thus replace the harsh conditions of conventional high level oxidation requirements (such as conventional sweet smell with temperate condition (normal temperature and pressure) macroscopically Acid condition, high-temperature and high-pressure conditions of catalytic wet oxidation requirement that reaction of pausing requires etc.).
Preferably, the sewage-treating agent is the one or more of hydrogen peroxide, active carbon and ferrous sulfate.
Preferably, the bubble is directly provided by outside air compressor.
A kind of quantum cracking reaction method and its reactor for sewage treatment, including at least one quantum cracking reaction Device unit, the quantum cracker unit includes microwave cavity, the microwave cavity be provided with microwave feed-in mouth, into Waterpipe and outlet conduit, the microwave feed-in mouth are externally connected with the microwave tube for being greater than 100kV/m for generating microwave electric field, It is equipped in microwave feed-in mouth and microwave electric field is transferred to the intracavitary microwave feed-in window of microwave resonance.
Preferably, the quantum cracker unit is equipped with multiple, between multiple quantum cracker units Connection type be series, parallel, series-parallel and and one kind of connecting.
Preferably, the microwave cavity is set as square cavity, and microwave cavity is arranged in microwave feed-in mouth Top, inlet and outlet pipes are separately positioned on the two sides of microwave cavity.Microwave energy enters chemical reactor and microwave It does not leak from inlet and outlet.
Preferably, the material of the microwave feed-in window is polytetrafluoroethylene (PTFE).By the intracavitary dirt processed of microwave resonance Water and microwave feed-in mouth seal isolation also guarantee that microwave enters microwave cavity simultaneously.
Compared with prior art, the invention has the following advantages:
The present invention presents inlet by the way that microwave tube is mounted on microwave, and microwave tube is established micro- in microwave cavity when working Dirty underwater bubble is ionized and is generated high-energy electron (~100eV) by wave field (electric field > 100kV/m), by high energy electron with have The collision of machine object molecule is heated, and the kinetic energy of organic molecule in sewage is targetedly improved, and increases reaction cross-section, in mild item Difficult biochemical and hardly degraded organic substance decomposition and cracking are realized under part, to replace the harshness of conventional high level oxidation technology requirement Condition (high-temperature and high-pressure conditions that acid condition, the catalytic wet oxidation that such as conventional Fenton's reaction requires require), reduces dirt The processing cost of Organic substance in water, improves treatment effeciency.
Detailed description of the invention
Fig. 1 is the cross-sectional view of quantum cracker unit;
Fig. 2 is the external structure schematic diagram of quantum cracker unit;
Fig. 3 is the structural schematic diagram of microwave feed-in window;
Fig. 4 be multiple quantum cracker units and be used in series exemplary diagram;
Figure label is respectively as follows: 1, microwave feed-in mouth;2, microwave feed-in window;3, microwave cavity;4, water inlet line;5, go out Waterpipe;6, microwave tube.
Specific embodiment
The invention will be further described with embodiment for explanation with reference to the accompanying drawing, and mode of the invention includes but not only limits In following embodiment.
It as shown in Figs. 1-2, is the structural schematic diagram of quantum cracker unit provided by the invention, the quantum cracking Reactor unit includes microwave cavity 3, and the microwave cavity 3 is provided with microwave feed-in mouth 1, water inlet line 4 and water outlet Pipeline 5, the microwave feed-in mouth 1 are externally connected with the microwave tube 6 for being greater than 100kV/m for generating microwave electric field, microwave feed-in mouth 1 The microwave feed-in window 2 microwave electric field being transferred in microwave cavity 3 is inside installed, wherein the structure of microwave feed-in window 2 such as Fig. 3 It is shown, resonance frequency 2450MHz.
The working principle of quantum cracker unit are as follows: microwave tube 6 is mounted at microwave feed-in mouth 1, and work Shi Wei Microwave field is established in wave resonance chamber 3;The sewage for preparing oxidant content enters microwave resonance from water inlet line 4 together with compressed air Chamber 3, in microwave cavity 3, due to the effect of strong microwave field, the bubble that compressed air generates is ionized, and generates high-energy electricity Sub (~100eV), organic molecule kinetic energy in sewage is improved, and realizes the item that advanced oxidation reaction requires in a mild condition Part.To making the organic matter in sewage be converted into CO2, H2O and small organic molecule, direct effect has: 1) in sewage COD value at Times decline, 2) TOC in sewage is eliminated, improve the biodegradability of sewage, 3) colour killing.
Microwave cavity 3 is a square chamber (long 8cm, wide 7cm, high 6cm), resonance frequency 2450MHz, 2) microwave is from micro- 1 feed-in of microwave feed-in mouth on 3 top of wave resonance chamber, microwave feed-in mouth 1 is the circular hole of diameter 5cm, for installing microwave feed-in window 2,3) microwave feed-in window 2 is polytetrafluoroethylene (PTFE), the intracavitary sewage processed of microwave resonance and microwave feed-in mouth is sealed off same When also guarantee that microwave enters microwave cavity, 4) chemical reactor both ends be sewage processed inlet and outlet, can guarantee microwave not It leaks from inlet and outlet, inlet and outlet pipe diameter is 1-2cm, and duct length is greater than 5cm.
Embodiment 1
As shown in figure 4, combining to form quantum cracker for multiple quantum cracker units, for handling one The kettle base solution (dense black, COD is greater than 40000mg/L) in Amoxicillin pharmaceutical factory, 120 kg stoste is incorporated 2 kilogram of 30% hydrogen peroxide, 1000g active carbon, 800 ferrous sulfate recycle 20 minutes in quantum cracker, and water outlet is limpid colourless, and C0D is less than 2000mg/L。
Microwave field density: greater than 1MV/m.
Embodiment 2
The kettle base solution (dense black, COD is greater than 20000mg/L) in one penicillin pharmaceutical factory, 50 kilograms of stostes are incorporated 1 kilogram 30% hydrogen peroxide, 500g active carbon, 500 ferrous sulfate recycle 25 minutes in four series units, are discharged limpid colourless, C0D Less than 2000mg/L.
Microwave field density: greater than 1MV/m.
Embodiment 3
The kettle base solution (dense black, COD is greater than 20000mg/L) in one penicillin pharmaceutical factory, 5 kilograms of stostes are incorporated 0.5 kilogram 30% hydrogen peroxide, 100g active carbon, 100 ferrous sulfate recycle 20 minutes in single quantum cracker unit, and water outlet is clear Clear colourless, C0D is less than 2000mg/L.
Microwave field density: greater than 1MV/m.
Above-described embodiment is only one of the preferred embodiment of the present invention, should not be taken to limit protection model of the invention It encloses, as long as that in body design thought of the invention and mentally makes has no the change of essential meaning or polishing, is solved The technical issues of it is still consistent with the present invention, should all be included within protection scope of the present invention.

Claims (7)

1. a kind of quantum cracking reaction method for sewage treatment, is added sewage-treating agent in sewage, it is characterised in that: to Bubble is introduced in sewage, and strong microwave field of the microwave electric field greater than 100kV/m is established in sewage reaction system.
2. a kind of quantum cracking reaction method for sewage treatment according to claim 1, it is characterised in that: the dirt Water treatment agent is the one or more of hydrogen peroxide, active carbon and ferrous sulfate.
3. a kind of quantum cracking reaction method for sewage treatment according to claim 1, it is characterised in that: the gas Bubble is directly provided by outside air compressor.
4. a kind of quantum cracker for sewage treatment, it is characterised in that: including at least one quantum cracker Unit, the quantum cracker unit includes microwave cavity, and the microwave cavity is provided with microwave feed-in mouth, water inlet Pipeline and outlet conduit, the microwave feed-in mouth is externally connected with the microwave tube for being greater than 100kV/m for generating microwave electric field, micro- It is equipped in wave feed-in mouth and microwave electric field is transferred to the intracavitary microwave feed-in window of microwave resonance.
5. a kind of quantum cracker for sewage treatment according to claim 4, it is characterised in that: the quantum Cracker unit is equipped with multiple, and connection type between multiple quantum cracker units is series, parallel, series-parallel And and one kind of connecting.
6. a kind of quantum cracker for sewage treatment according to claim 4, it is characterised in that: the microwave Resonant cavity is set as square cavity, and the top of microwave cavity, inlet and outlet pipes difference is arranged in microwave feed-in mouth The two sides of microwave cavity are set.
7. a kind of quantum cracker for sewage treatment according to claim 4, it is characterised in that: the microwave The material of feed-in window is polytetrafluoroethylene (PTFE).
CN201910716480.4A 2019-08-05 2019-08-05 A kind of quantum cracking reaction method and its reactor for sewage treatment Pending CN110294512A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112979010A (en) * 2021-02-08 2021-06-18 中国工程物理研究院应用电子学研究所 Microwave high-field advanced oxidation reaction treatment method for organic wastewater
CN113651483A (en) * 2021-09-27 2021-11-16 四川和诚振药科技有限公司 Advanced oxidation reaction treatment device and method for organic waste liquid

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102849889A (en) * 2012-10-19 2013-01-02 安徽工业大学 System and device for treating phosphorus-containing wastewater by means of high-temperature and high-pressure microwave materialization
CN108217832A (en) * 2018-03-22 2018-06-29 上海映山环保科技有限公司 A kind of refractory wastewater equipment
CN108793540A (en) * 2018-07-20 2018-11-13 北京科瑞博远科技有限公司 A kind of method of organic wastewater with difficult degradation thereby advanced treating
CN108862460A (en) * 2018-07-20 2018-11-23 北京科瑞博远科技有限公司 The method of continuous-type microwave assisted oxidation processing organic wastewater
CN109019753A (en) * 2018-07-11 2018-12-18 广州机械设计研究所 A kind of method of circulation batch type microwave catalysis oxidation processing organic wastewater
CN210710848U (en) * 2019-08-05 2020-06-09 重庆昌泰水处理有限公司 Quantum cracking reactor for sewage treatment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102849889A (en) * 2012-10-19 2013-01-02 安徽工业大学 System and device for treating phosphorus-containing wastewater by means of high-temperature and high-pressure microwave materialization
CN108217832A (en) * 2018-03-22 2018-06-29 上海映山环保科技有限公司 A kind of refractory wastewater equipment
CN109019753A (en) * 2018-07-11 2018-12-18 广州机械设计研究所 A kind of method of circulation batch type microwave catalysis oxidation processing organic wastewater
CN108793540A (en) * 2018-07-20 2018-11-13 北京科瑞博远科技有限公司 A kind of method of organic wastewater with difficult degradation thereby advanced treating
CN108862460A (en) * 2018-07-20 2018-11-23 北京科瑞博远科技有限公司 The method of continuous-type microwave assisted oxidation processing organic wastewater
CN210710848U (en) * 2019-08-05 2020-06-09 重庆昌泰水处理有限公司 Quantum cracking reactor for sewage treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112979010A (en) * 2021-02-08 2021-06-18 中国工程物理研究院应用电子学研究所 Microwave high-field advanced oxidation reaction treatment method for organic wastewater
CN113651483A (en) * 2021-09-27 2021-11-16 四川和诚振药科技有限公司 Advanced oxidation reaction treatment device and method for organic waste liquid

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