CN104628091A - Multi-element catalytic microelectrolysis packing as well as preparation method and application thereof - Google Patents
Multi-element catalytic microelectrolysis packing as well as preparation method and application thereof Download PDFInfo
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- CN104628091A CN104628091A CN201510036512.8A CN201510036512A CN104628091A CN 104628091 A CN104628091 A CN 104628091A CN 201510036512 A CN201510036512 A CN 201510036512A CN 104628091 A CN104628091 A CN 104628091A
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F1/46114—Electrodes in particulate form or with conductive and/or non conductive particles between 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46133—Electrodes characterised by the material
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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
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
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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
- C02F2305/04—Surfactants, used as part of a formulation or alone
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Abstract
The invention discloses multi-element catalytic microelectrolysis packing as well as a preparation method and application thereof, and belongs to the field of wastewater treatment. The multi-element catalytic microelectrolysis packing is mainly prepared from iron powder, aluminum powder, dried carbon powder, copper powder, zinc powder, kieselguhr, ammonium chloride and sodium tetraborate through steps of weighing, uniform mixing, forming, drying and roasting, cooling and the like. When the multi-element catalytic microelectrolysis packing is used in sewage treatment, the biodegradability of wastewater is remarkably improved, and the packing is not easy to cake, not easy to passivate, long in service life, convenient and rapid to fill and simple to maintain.
Description
Technical field
The present invention relates to a kind of micro-electrolysis stuffing and preparation method thereof and application, particularly relate to a kind of multiple catalyzing micro-electrolysis stuffing and preparation method thereof and application, belong to field of waste water treatment.
Background technology
Difficulty is very large economically and technically in the improvement of the chemical waste water of high density, difficult for biological degradation, adopt conventional physics, chemistry and this kind of waste water of biological method process, not only cost is high, efficiency is low but also very difficult qualified discharge, causes serious environmental pollution.
Micro electrolysis tech is effective preprocessing means of process high density, difficult for biological degradation wastewater from chemical industry, its principle of work utilizes the micro-electrolysis material self be filled in waste water to produce potential difference, electrolysis treatment is carried out to waste water, just high molecular complex material is decomposed into small-molecule substance, improve wastewater biodegradability, reach the object of degradation of contaminant.
At present, traditional micro electrolysis tech adopts the simple mixtures of iron filings and activated carbon as micro-electrolysis material mostly, in practical engineering application process, the filler life-time service of this kind forms one deck passive film at filling surface, block the contact of hazardous and noxious substances and filler in water, affect treatment effect, iron filings easily harden, packing layer hardens into as a whole, current are ditch stream mode, and cross flow rate and decline, speed of response reduces, in addition, granular mixed fillers supplements regular and there is inconvenience in Renewal process.
Summary of the invention
For the above-mentioned shortcoming of traditional micro-electrolysis stuffing, the invention discloses a kind of multiple catalyzing micro-electrolysis stuffing and preparation method thereof and application.
This micro-electrolysis stuffing with iron powder, aluminium powder, activity charcoal powder, copper powder, zinc powder, diatomite, ammonium chloride, sodium tetraborate for main raw material, through weighing, mixing, shaping, dry the step such as roasting, cooling and prepare, this micro-electrolysis stuffing is used in sewage disposal, wastewater biodegradability can be made to significantly improve, and meanwhile, filler has and not easily hardens, not easily passivation, life cycle is long, installs filler additional convenient, fast, safeguards the advantages such as simple.
One of the object of the invention is open a kind of multiple catalyzing micro-electrolysis stuffing, and this micro-electrolysis stuffing is prepared from by following raw material: iron powder, aluminium powder, activity charcoal powder, copper powder, zinc powder, diatomite, ammonium chloride, sodium tetraborate.
Preferably, this micro-electrolysis stuffing is prepared from by the raw material of following weight part:
Iron powder: 30-40;
Aluminium powder: 20-30;
Activity charcoal powder: 10-20;
Copper powder: 5-10;
Zinc powder: 3-8;
Diatomite: 5-15;
Ammonium chloride: 2-5;
Sodium tetraborate: 2-5.
As one of preferred version of the present invention, this micro-electrolysis stuffing is prepared from by the raw material of following weight part:
Iron powder: 32;
Aluminium powder: 28;
Activity charcoal powder: 12;
Copper powder: 8;
Zinc powder: 4;
Diatomite: 10;
Ammonium chloride: 4;
Sodium tetraborate: 2.
As preferred version two of the present invention, this light electrolysis is prepared from by the raw material of following weight part
Iron powder: 40;
Aluminium powder: 22;
Activity charcoal powder: 16;
Copper powder: 5;
Zinc powder: 5;
Diatomite: 6;
Ammonium chloride: 2;
Sodium tetraborate: 4.
Two of the object of the invention is to provide a kind of preparation method of multiple catalyzing micro-electrolysis stuffing, and this preparation method comprises the following steps:
1) mixing is weighed: weigh the iron powder of mass parts, aluminium powder, activity charcoal powder, copper powder, zinc powder, diatomite, ammonium chloride, sodium tetraborate respectively, add water after fully mixing and obtain work in-process A;
2) extrusion molding: by step 1) in work in-process A load in roller bearing pressing machine, make oval work in-process B at 150-200KN pressure;
3) in, temperature is dried: by step 2) in work in-process B be positioned in baking oven, dry at temperature 60-110 DEG C and shapingly obtain work in-process C in 24 hours;
4) high-temperature roasting: by step 3) in work in-process C put into stove, be filled with nitrogen, be warming up to 400-500 DEG C of roasting 20-30 minute, be then warming up to 900-1000 DEG C of roasting 60-90 minute and obtain work in-process D;
5) cooling forming: by step 4) in work in-process D in stove, naturally cool to less than 100 DEG C, take out and be placed on ventilation and continue to be cooled to room temperature, namely obtain micro-electrolysis stuffing.
Three of object of the present invention is to provide the one application of above-mentioned polynary micro-electrolysis stuffing, i.e. above-mentioned polynary micro-electrolysis stuffing application in the treatment of waste water can be used for the chemical waste water processing high density, difficult for biological degradation, complicated component.
The embodiment of the present invention 4 and embodiment 5 adopt aeration simultaneous test, the polynary micro-electrolysis stuffing using the present invention to prepare respectively and the hc effluent of certain commercially available oval micro-electrolysis stuffing process chemical industrial park comprehensive wastewater and the discharge of certain pharmacy corporation medicinal chemicals production plant, experiment proves, under the prerequisite that experiment condition is identical, during the micro-electrolysis stuffing process waste water adopting the present invention to prepare, the removal effect of its COD, colourity is more excellent, wastewater biodegradability increase rate is larger, achieves unexpected technique effect.
Meanwhile, dyeing waste water coagulating agent of the present invention and preparation method thereof, compared with prior art, its advantage is as follows:
1, the composite of the elements such as iron, aluminium, carbon, copper, zinc is adopted in the polynary micro-electrolysis stuffing of the present invention, define iron-polynary microbattery reaction system of Solder for Al-Cu Joint Welding-zinc-gac, the polynary microbattery potential difference formed is large, has speed of response fast, to oxidation efficiency advantages of higher organic in waste water.
2, the polynary micro-electrolysis stuffing of the present invention is compared with traditional Single Iron-carbon micro-electrolysis filler, the scope of application is wider, one, under sour environment, can potential difference be formed between iron/copper-carbon, its two, under neutral and alkaline environment, can form potential difference between aluminium-zinc-carbon, therefore this filler is to the better adaptability of water quality.
3, the polynary micro-electrolysis stuffing of the present invention sinters each element the carrier with stronger mechanical property under reducing atmosphere, filler gac and diatomite when high temperature sintering be conducive to increase filler inside become porosity, filler inside is made to produce a large amount of microvoid structures, increase the contact area of waste water and filler, enhance light electrolysis intensity, improve reaction efficiency.
4, the polynary micro-electrolysis stuffing of the present invention introduces ammonium chloride, the NH that ammonium chloride produces under the high temperature conditions
3play pore-creating effect, increase porosity and the specific surface area of filler, the filler of vesicular structure effectively prevents hardening or forming channel between different filler unit, thus ensures that the long-term stability of light electrolysis system is run.
5, the polynary micro-electrolysis stuffing of the present invention introduces sodium tetraborate, and sodium tetraborate plays the effect of dispersion agent, facilitates Determination of multiple metal elements and is mixed to form filler internal voids, and effectively can reduce iron mud output, slows down scabbing and fouling of filler top layer and inner cavity.
6, the polynary micro-electrolysis stuffing raw material of the present invention is easy to get, and preparation technology is simple, installs filler additional convenient, fast, and after filler uses some cycles, without the need to changing, the mode by directly adding on a small quantity realizes lasting, the steady running of light electrolysis system.
Embodiment
Below will further illustrate the present invention by specific embodiment, but it should be appreciated by those skilled in the art that the specific embodiment of the invention and do not limit the present invention in any way.Take up an official post on basis of the present invention and how all fall within protection scope of the present invention with replacement.
Embodiment 1: the preparation of polynary micro-electrolysis stuffing
Weigh iron powder 32kg respectively, aluminium powder 26kg, activity charcoal powder 12kg, copper powder 8kg, zinc powder 4kg, diatomite 10kg, ammonium chloride 4kg, sodium tetraborate 2kg, add water after fully mixing and obtain work in-process A, work in-process A is loaded in roller bearing pressing machine, oval work in-process B is made at 150-200KN pressure, work in-process B is positioned in baking oven, dry at temperature 60-110 DEG C and shapingly obtain work in-process C in 24 hours, work in-process C is put into stove, be filled with nitrogen, be warming up to 400-500 DEG C of roasting 20-30 minute, then be warming up to 900-1000 DEG C of roasting 60-90 minute and obtain work in-process D, work in-process D is naturally cooled to less than 100 DEG C in stove, taking-up is placed on ventilation and continues to be cooled to room temperature, namely multiple catalyzing micro-electrolysis stuffing is obtained.
Embodiment 2: the preparation of polynary micro-electrolysis stuffing
Weigh iron powder 40kg respectively, aluminium powder 22kg, activity charcoal powder 16kg, copper powder 5kg, zinc powder 5kg, diatomite 6kg, ammonium chloride 2kg, sodium tetraborate 4kg, add water after fully mixing and obtain work in-process A, work in-process A is loaded in roller bearing pressing machine, oval work in-process B is made at 150-200KN pressure, work in-process B is positioned in baking oven, dry at temperature 60-110 DEG C and shapingly obtain work in-process C in 24 hours, work in-process C is put into stove, be filled with nitrogen, be warming up to 400-500 DEG C of roasting 20-30 minute, then be warming up to 900-1000 DEG C of roasting 60-90 minute and obtain work in-process D, work in-process D is naturally cooled to less than 100 DEG C in stove, taking-up is placed on ventilation and continues to be cooled to room temperature, namely multiple catalyzing micro-electrolysis stuffing is obtained.
Embodiment 3: the preparation of polynary micro-electrolysis stuffing
Weigh iron powder 35kg respectively, aluminium powder 25kg, activity charcoal powder 13kg, copper powder 6kg, zinc powder 5kg, diatomite 10kg, ammonium chloride 3kg, sodium tetraborate 3kg, add water after fully mixing and obtain work in-process A, work in-process A is loaded in roller bearing pressing machine, oval work in-process B is made at 150-200KN pressure, work in-process B is positioned in baking oven, dry at temperature 60-110 DEG C and shapingly obtain work in-process C in 24 hours, work in-process C is put into stove, be filled with nitrogen, be warming up to 400-500 DEG C of roasting 20-30 minute, then be warming up to 900-1000 DEG C of roasting 60-90 minute and obtain work in-process D, work in-process D is naturally cooled to less than 100 DEG C in stove, taking-up is placed on ventilation and continues to be cooled to room temperature, namely multiple catalyzing micro-electrolysis stuffing is obtained.
Embodiment 4: the contrast experiment of polynary micro-electrolysis stuffing prepared by the present invention and certain commercially available oval micro-electrolysis stuffing
Experiment wastewater takes from certain chemical industrial park comprehensive wastewater, and this industrial park is distributed with dyeing, wiring board industry, electroplating industry, oil refining industry and other organic chemical industry's industries, and water-quality guideline is in table one.
Experimental technique is as follows: at two high 80cm, in the cylindrical reactor of diameter 10cm, add aeration head, be respectively charged into polynary micro-electrolysis stuffing (experimental group) and certain commercially available oval micro-electrolysis stuffing (control group) that piling height is embodiment 1 preparation of 60cm, then in two reactors, above-mentioned wastewater from chemical industry is added respectively to 70cm place, open aeration, control dissolved oxygen is 1-2mg/L, react after 2 hours, staticly settle 30min, get its supernatant liquid, carry out COD, colourity, BOD
5detection.
Experimental result is as shown in Table 1:
Table one: the contrast experiment of polynary micro-electrolysis stuffing prepared by the present invention and certain commercially available oval micro-electrolysis stuffing
As shown in Table 1: during polynary micro-electrolysis stuffing process wastewater from chemical industry prepared by the present invention, its COD clearance is 58.2%, chroma removal rate is that 60%, B/C is increased to 0.325 by 0.188; During certain commercially available oval micro-electrolysis stuffing process wastewater from chemical industry, its COD clearance is 51.1%, and chroma removal rate is that 50%, B/C is increased to 0.295 by 0.188.Visible, under the prerequisite that experiment condition is identical, during the micro-electrolysis stuffing process wastewater from chemical industry adopting the present invention to prepare, the removal effect of its COD, colourity is more excellent, and wastewater biodegradability increase rate is larger.
Embodiment 5: the contrast experiment of polynary micro-electrolysis stuffing prepared by the present invention and certain commercially available oval micro-electrolysis stuffing
Experiment wastewater takes from the hc effluent of certain pharmacy corporation medicinal chemicals production plant discharge, and this waste water contains residual medicine intermediate and residual organic solvent, and water-quality guideline is in table two.
Experimental technique is as follows: at two high 80cm, in the cylindrical reactor of diameter 10cm, add aeration head, be respectively charged into polynary micro-electrolysis stuffing (experimental group) and certain commercially available oval micro-electrolysis stuffing (control group) that piling height is embodiment 1 preparation of 60cm, then in two reactors, above-mentioned wastewater from chemical industry is added respectively to 70cm place, open aeration, control dissolved oxygen is 1-2mg/L, react after 2 hours, staticly settle 30min, get its supernatant liquid, carry out COD, colourity, BOD
5detection.
Experimental result is as shown in Table 2:
Table two: the contrast experiment of polynary micro-electrolysis stuffing prepared by the present invention and certain commercially available oval micro-electrolysis stuffing
As shown in Table 2: during polynary micro-electrolysis stuffing process wastewater from chemical industry prepared by the present invention, its COD clearance is 63.0%, chroma removal rate is that 60%, B/C is increased to 0.448 by 0.241; During certain commercially available oval micro-electrolysis stuffing process wastewater from chemical industry, its COD clearance is 49.3%, and chroma removal rate is that 50%, B/C is increased to 0.355 by 0.241.Visible, under the prerequisite that experiment condition is identical, during the micro-electrolysis stuffing Pharmaceutical Wastewater Treatment adopting the present invention to prepare, the removal effect of its COD, colourity is more excellent, and wastewater biodegradability increase rate is larger.
Claims (7)
1. a multiple catalyzing micro-electrolysis stuffing, is characterized in that it is prepared from by following raw material:
Iron powder, aluminium powder, activity charcoal powder, copper powder, zinc powder, diatomite, ammonium chloride, sodium tetraborate.
2. multiple catalyzing micro-electrolysis stuffing according to claim 1, is characterized in that it is prepared from by the raw material of following weight part:
Iron powder: 30-40;
Aluminium powder: 20-30;
Activity charcoal powder: 10-20;
Copper powder: 5-10;
Zinc powder: 3-8;
Diatomite: 5-15;
Ammonium chloride: 2-5;
Sodium tetraborate: 2-5.
3. multiple catalyzing micro-electrolysis stuffing according to claim 2, is characterized in that it is prepared from by the raw material of following weight part:
Iron powder: 32;
Aluminium powder: 28;
Activity charcoal powder: 12;
Copper powder: 8;
Zinc powder: 4;
Diatomite: 10;
Ammonium chloride: 4;
Sodium tetraborate: 2.
4. multiple catalyzing micro-electrolysis stuffing according to claim 2, is characterized in that it is prepared from by the raw material of following weight part:
Iron powder: 40;
Aluminium powder: 22;
Activity charcoal powder: 16;
Copper powder: 5;
Zinc powder: 5;
Diatomite: 6;
Ammonium chloride: 2;
Sodium tetraborate: 4.
5., according to the arbitrary described multiple catalyzing micro-electrolysis stuffing of claim 1-4, it is characterized in that, described ferrous powder granules diameter is 60-100 order; Aluminum particle diameter is 60-100 order; Activated carbon granule diameter is 100-120 order; Copper powder particle diameter is 60-100 order; Zinc particle diameter is 60-100 order; Diatomite particle diameter is 100-120 order; Ammonium chloride, sodium tetraborate are commercially available technical grade.
6. the preparation method of multiple catalyzing micro-electrolysis stuffing according to claim 5, is characterized in that comprising the following steps:
1) mixing is weighed: weigh the iron powder of mass parts, aluminium powder, activity charcoal powder, copper powder, zinc powder, diatomite, ammonium chloride, sodium tetraborate respectively, add water after fully mixing and obtain work in-process A;
2) extrusion molding: by step 1) in work in-process A load in roller bearing pressing machine, make oval work in-process B at 150-200KN pressure;
3) in, temperature is dried: by step 2) in work in-process B be positioned in baking oven, dry at temperature 60-110 DEG C and shapingly obtain work in-process C in 24 hours;
4) high-temperature roasting: by step 3) in work in-process C put into stove, be filled with nitrogen, be warming up to 400-500 DEG C of roasting 20-30 minute, be then warming up to 900-1000 DEG C of roasting 60-90 minute and obtain work in-process D;
5) cooling forming: by step 4) in work in-process D in stove, naturally cool to less than 100 DEG C, take out and be placed on ventilation and continue to be cooled to room temperature, namely obtain multiple catalyzing micro-electrolysis stuffing.
7. multiple catalyzing micro-electrolysis stuffing according to claim 5 application in the treatment of waste water.
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| CN105110427A (en) * | 2015-09-30 | 2015-12-02 | 王磊 | Composite micro-electrolysis filler as well as preparation method and application thereof |
| CN105129926A (en) * | 2015-10-23 | 2015-12-09 | 山东大学 | Anti-hardening microelectrolysis particle filler used for processing pyridine wastewater and preparation method |
| CN105819551A (en) * | 2016-04-05 | 2016-08-03 | 长沙学院 | Method for preparing novel and efficient reduced ion particle fillers |
| CN105967284A (en) * | 2016-06-28 | 2016-09-28 | 陕西科技大学 | Kieselguhr-based ferric carbon ceramsite packing and preparation method thereof |
| CN106495291A (en) * | 2016-12-07 | 2017-03-15 | 河海大学 | A kind of polynary micro-electrolysis stuffing and its preparation method and application |
| CN106698600A (en) * | 2017-01-05 | 2017-05-24 | 长沙汇聚环境技术有限公司 | Microelectrolysis filler for printing and dyeing wastewater treatment and preparation method thereof |
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| CN105110427A (en) * | 2015-09-30 | 2015-12-02 | 王磊 | Composite micro-electrolysis filler as well as preparation method and application thereof |
| CN105129926A (en) * | 2015-10-23 | 2015-12-09 | 山东大学 | Anti-hardening microelectrolysis particle filler used for processing pyridine wastewater and preparation method |
| CN105819551A (en) * | 2016-04-05 | 2016-08-03 | 长沙学院 | Method for preparing novel and efficient reduced ion particle fillers |
| CN105967284A (en) * | 2016-06-28 | 2016-09-28 | 陕西科技大学 | Kieselguhr-based ferric carbon ceramsite packing and preparation method thereof |
| CN106495291A (en) * | 2016-12-07 | 2017-03-15 | 河海大学 | A kind of polynary micro-electrolysis stuffing and its preparation method and application |
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| CN108996777A (en) * | 2018-08-24 | 2018-12-14 | 盐城英贝吉环保科技有限公司 | A kind of chemical wastewater treatment device and processing method |
| CN109911992A (en) * | 2019-03-20 | 2019-06-21 | 浙江省环境保护科学设计研究院 | A kind of preparation method and application of iron-based more metal alloy micro-electrolysis stuffings |
| CN109911992B (en) * | 2019-03-20 | 2021-11-19 | 浙江省环境保护科学设计研究院 | Preparation method and application of iron-based multi-metal alloy micro-electrolysis filler |
| CN112875810A (en) * | 2021-01-12 | 2021-06-01 | 北京市高速公路交通工程有限公司 | Multielement microelectrolysis filler and preparation method thereof |
| CN113304752A (en) * | 2021-06-11 | 2021-08-27 | 上海复沅环保工程有限公司 | Cracking reduction catalyst for sewage treatment and preparation method thereof |
| CN113880197A (en) * | 2021-11-17 | 2022-01-04 | 扬州优境环境工程有限公司 | Preparation method of high-concentration industrial wastewater cracking reducing agent |
| CN113880197B (en) * | 2021-11-17 | 2023-11-24 | 扬州优境环境工程有限公司 | Preparation method of high-concentration industrial wastewater cracking reducing agent |
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