CN105502838A - Copper-plating waste water purification system and water purification method - Google Patents
Copper-plating waste water purification system and water purification method Download PDFInfo
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- CN105502838A CN105502838A CN201610026022.4A CN201610026022A CN105502838A CN 105502838 A CN105502838 A CN 105502838A CN 201610026022 A CN201610026022 A CN 201610026022A CN 105502838 A CN105502838 A CN 105502838A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 239000002351 wastewater Substances 0.000 title claims abstract description 41
- 238000007747 plating Methods 0.000 title claims abstract description 39
- 238000000746 purification Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 45
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- 238000005273 aeration Methods 0.000 claims abstract description 25
- 239000011347 resin Substances 0.000 claims abstract description 23
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 239000010865 sewage Substances 0.000 claims abstract description 21
- 238000001179 sorption measurement Methods 0.000 claims abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 12
- 239000010935 stainless steel Substances 0.000 claims abstract description 12
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000005416 organic matter Substances 0.000 claims abstract description 3
- 238000011001 backwashing Methods 0.000 claims abstract 2
- 230000000813 microbial effect Effects 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 28
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 9
- 239000003729 cation exchange resin Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- 229910021536 Zeolite Inorganic materials 0.000 claims description 4
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 4
- 239000010457 zeolite Substances 0.000 claims description 4
- 229910001385 heavy metal Inorganic materials 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 claims description 2
- 231100000419 toxicity Toxicity 0.000 claims description 2
- 230000001988 toxicity Effects 0.000 claims description 2
- 239000008367 deionised water Substances 0.000 claims 3
- 229910021641 deionized water Inorganic materials 0.000 claims 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims 2
- 238000005342 ion exchange Methods 0.000 claims 2
- 230000015556 catabolic process Effects 0.000 claims 1
- 125000002091 cationic group Chemical group 0.000 claims 1
- 238000004140 cleaning Methods 0.000 claims 1
- 238000006731 degradation reaction Methods 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000002203 pretreatment Methods 0.000 claims 1
- 244000005700 microbiome Species 0.000 abstract description 5
- 238000001914 filtration Methods 0.000 abstract 1
- 238000004065 wastewater treatment Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000005684 electric field Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
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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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/107—Inorganic materials, e.g. sand, silicates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
-
- 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
- C02F2201/002—Construction details of the apparatus
- C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- General Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Materials Engineering (AREA)
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- Biological Treatment Of Waste Water (AREA)
Abstract
本发明公开了一种镀铜废水净水系统及净水方法。镀铜废水净水系统的树脂型粒子电极层位于净水系统的顶部，并在树脂顶部放置由钛网构成的阳极，在树脂底部放置由不锈钢孔板构成的阴极，阳极和阴极分别与外加电源的正极和负极相连，吸附性生物滤料层位于树脂型粒子电极层的下方，吸附性生物滤料层下方安装有曝气装置和反冲洗装置。本发明的净水方法，包括如下步骤：（1）污水进入树脂型粒子电极层上部；（2）通过曝气装置曝气（3）树脂型粒子电极处理；（4）微生物处理以及物理过滤；（5）出净水。本发明的净水系统先以树脂型粒子电极催化氧化镀铜废水中的难生物降解有机物，提高镀铜废水可生化性，再经微生物处理后排出，解决了镀铜废水难处理的问题。
The invention discloses a copper plating waste water purification system and a water purification method. The resin-type particle electrode layer of the copper-plating wastewater purification system is located on the top of the water purification system, and an anode made of titanium mesh is placed on the top of the resin, and a cathode made of stainless steel orifice is placed on the bottom of the resin. The anode and the cathode are respectively connected to the external power supply. The positive and negative electrodes are connected, the adsorption biological filter layer is located under the resin particle electrode layer, and an aeration device and a backwashing device are installed under the adsorption biological filter layer. The water purification method of the present invention comprises the following steps: (1) sewage enters the upper part of the resin-type particle electrode layer; (2) aeration through an aeration device; (3) resin-type particle electrode treatment; (4) microbial treatment and physical filtration; (5) Out of clean water. The water purification system of the present invention first catalyzes and oxidizes the refractory organic matter in the copper plating wastewater with the resin type particle electrode, improves the biodegradability of the copper plating wastewater, and then discharges it after being treated by microorganisms, thereby solving the problem that the copper plating wastewater is difficult to handle.
Description
技术领域 technical field
本发明属于废水处理技术领域，特别是涉及一种可用于废水处理的镀铜废水净水系统和净水方法。 The invention belongs to the technical field of wastewater treatment, and in particular relates to a copper-plating wastewater purification system and a water purification method that can be used for wastewater treatment.
背景技术 Background technique
镀铜工艺因具有通用性强，适用面广等特点，在工业生产中得到广泛应用，由此产生的镀铜废水也大量增加。镀铜废水是镀铜工业生产过程中产生的含金属离子和部分有机物的混合废水，如果任其自由排放，将对自然生态环境及人类健康构成严重的潜在风险。镀铜废水中含有的大量重金属离子，对动植物表现出强烈的毒性，直接排放到环境中，不仅会对生态环境造成难以修复的污染，而且有毒物质会通过食物链的富集作用，逐渐对人的健康产生危害。 The copper plating process has been widely used in industrial production due to its strong versatility and wide application range, and the resulting copper plating wastewater has also increased significantly. Copper plating wastewater is a mixed wastewater containing metal ions and some organic matter produced in the production process of copper plating industry. If it is allowed to discharge freely, it will pose serious potential risks to the natural ecological environment and human health. A large number of heavy metal ions contained in copper plating wastewater show strong toxicity to animals and plants. Direct discharge into the environment will not only cause irreparable pollution to the ecological environment, but also toxic substances will gradually affect human beings through the enrichment of the food chain. health hazard.
随着镀铜工艺复杂程度的增加以及镀铜工艺中大量难降解有机物的使用，导致镀铜废水的处理难度也越来越大，传统的污水处理方法难以对其进行有效的处理。再加上与之相关的废水排放标准不断提高，大部分现有镀铜废水处理工艺已无法顺利使其达标排放。因此对已有镀铜废水处理工艺进行升级已经到了势在必行的阶段。 With the increase in the complexity of the copper plating process and the use of a large number of refractory organic substances in the copper plating process, the treatment of copper plating wastewater is becoming more and more difficult, and traditional sewage treatment methods are difficult to effectively treat it. Coupled with the continuous improvement of related wastewater discharge standards, most of the existing copper plating wastewater treatment processes have been unable to successfully discharge them up to standard. Therefore, it is imperative to upgrade the existing copper plating wastewater treatment process.
本发明通过树脂型粒子电极处理技术，提高废水BOD/COD的值，使大部分难生物降解的污染物能够转化为易被微生物氧化分解的物质，之后通过吸附型生物滤料层进行生物处理，达到增强处理效果的目的，从而提高污水中污染物质的去除效率，降低设备投资，占地面积小，易于就地安装。 The present invention improves the BOD/COD value of wastewater through the resin-type particle electrode treatment technology, so that most of the refractory biodegradable pollutants can be converted into substances that are easily oxidized and decomposed by microorganisms, and then biological treatment is carried out through the adsorption-type biological filter material layer, The purpose of enhancing the treatment effect is achieved, thereby improving the removal efficiency of pollutants in sewage, reducing equipment investment, occupying a small area, and being easy to install on site.
发明内容 Contents of the invention
本发明的目的在于解决现有废水处理工艺对镀铜废水处理效果不佳的问题，提供了一种镀铜废水净水系统及净水方法。 The purpose of the present invention is to solve the problem that the existing wastewater treatment process has a poor treatment effect on copper plating wastewater, and provides a copper plating wastewater purification system and a water purification method.
为解决上述问题，本发明包括吸附型生物滤料层和树脂型粒子电极层。 To solve the above problems, the present invention includes an adsorption type biological filter material layer and a resin type particle electrode layer.
所述的树脂型粒子电极层，填充预处理后负载了Fe3+的强酸型阳离子交换树脂，并在树脂顶部放置由钛网构成的阳极，在树脂底部放置由不锈钢孔板构成的阴极，阳极和阴极分别与外加电源的正极和负极相连，强酸型阳离子交换树脂、阴极和阳极三部分共同组成树脂型粒子电极层。吸附性生物滤料层位于树脂型粒子电极层的下方，经树脂型粒子电极层处理后的水通过不锈钢孔板从吸附型生物滤料顶部进入，经微生物处理后由反应器底部排出。 The resin-type particle electrode layer is filled with strong-acid cation exchange resin loaded with Fe3+ after pretreatment, and an anode made of titanium mesh is placed on the top of the resin, and a cathode made of stainless steel orifice plate is placed on the bottom of the resin. The anode and the cathode It is respectively connected with the positive pole and the negative pole of the external power supply, and the strong acid type cation exchange resin, the cathode and the anode together form the resin type particle electrode layer. The adsorption biological filter material layer is located below the resin particle electrode layer, and the water treated by the resin particle electrode layer enters from the top of the adsorption biological filter material through the stainless steel orifice plate, and is discharged from the bottom of the reactor after being treated by microorganisms.
所述的吸附型生物滤料层与树脂型粒子电极层由下而上串联在同一反应器中，反应器整体为圆柱型，树脂型粒子电极层装充阳离子交换树脂形成的树脂型粒子电极，高度300mm，吸附型生物滤料层装充3-5mm沸石，高度700mm，树脂型粒子电极层和吸附型生物滤料层直径形同。 The adsorption-type biological filter material layer and the resin-type particle electrode layer are connected in series in the same reactor from bottom to top. The reactor is a cylindrical shape as a whole, and the resin-type particle electrode layer is filled with a resin-type particle electrode formed by cation exchange resin. The height is 300mm, the adsorption type biological filter material layer is filled with 3-5mm zeolite, the height is 700mm, the diameter of the resin particle electrode layer and the adsorption type biological filter material layer are the same.
所述的吸附性生物滤料层底部安装有反冲洗进水管、曝气管和曝气盘，反冲洗水泵和反冲洗进水管连接，空气压缩机和曝气管连接，曝气盘安装在曝气管上。 The backwash water inlet pipe, aeration pipe and aeration pan are installed at the bottom of the adsorption biological filter material layer, the backwash water pump is connected to the backwash water inlet pipe, the air compressor is connected to the aeration pipe, and the aeration pan is installed on the aeration pan. on the trachea.
一种采用上述所述的一种镀铜废水净水方法，包括如下步骤：（1）高位水箱内的污水经过计量泵计量，进入树脂型粒子电极层上部；（2）向曝气盘通入压缩空气，控制气水体积比为4：1到2：1；（3）废水经过钛网进入树脂型粒子电极层；（4）在树脂型粒子电极层的两端的钛网和不锈钢孔板通过阳极线、阴极线与直流电源的正极和负极相连，为树脂型粒子电极层提供所需的电场；（5）污水经过不锈钢孔板电极进入吸附型生物滤料层；（6）经吸附型生物滤料层处理后的水经出水管排出；（7）运行一段时间后对镀铜废水净水系统进行反冲洗，先气洗3分钟，然后同时水洗和气洗5分钟，再水洗8分钟。 A method for purifying copper-plating wastewater as described above, comprising the following steps: (1) The sewage in the high-level water tank is metered by a metering pump and enters the upper part of the resin-type particle electrode layer; Compressed air to control the air-water volume ratio from 4:1 to 2:1; (3) Wastewater enters the resin-type particle electrode layer through the titanium mesh; (4) The titanium mesh and stainless steel orifice plate at both ends of the resin-type particle electrode layer pass through The anode line and the cathode line are connected to the positive and negative poles of the DC power supply to provide the required electric field for the resin-type particle electrode layer; (5) The sewage enters the adsorption-type biological filter material layer through the stainless steel orifice electrode; (6) The adsorption-type biological The water treated by the filter material layer is discharged through the outlet pipe; (7) After running for a period of time, backwash the copper plating wastewater purification system, first air wash for 3 minutes, then wash with water and air for 5 minutes at the same time, and then wash with water for 8 minutes.
本发明的有益效果：在树脂型粒子电极的作用下提高废水BOD/COD的值，增加其可生化性，然后通过生物处理去除废水中的污染物，从而提高镀铜废水COD的去除率，并且可以有效去除废水中的重金属。 Beneficial effects of the present invention: under the action of the resin type particle electrode, increase the value of wastewater BOD/COD, increase its biodegradability, and then remove pollutants in wastewater by biological treatment, thereby improving the COD removal rate of copper plating wastewater, and Can effectively remove heavy metals in wastewater.
附图说明 Description of drawings
图1为本发明一种镀铜废水净水系统示意图，结合本图做进一步的说明。 Fig. 1 is a schematic diagram of a copper plating wastewater purification system according to the present invention, which will be further described in conjunction with this figure.
附图1为本发明的流程示意图。 Accompanying drawing 1 is the schematic flow chart of the present invention.
图1中：1直流电源;2阳极线;3阴极线;4树脂型粒子电极层;5吸附型生物滤料层;6反冲洗进水管；7空气压缩机；8反冲洗进水；9反冲洗水泵；10进水计量泵；11进水蠕动泵；12曝气管；13出水管；14取水（料）样口；15污水箱；16不锈钢孔板电极；17钛网；18曝气盘；19污水管；20溢流管。 In Figure 1: 1. DC power supply; 2. Anode line; 3. Cathode line; 4. Resin type particle electrode layer; Washing water pump; 10 water inlet metering pump; 11 water inlet peristaltic pump; 12 aeration pipe; 13 outlet pipe; 14 water (material) sample port; 15 sewage tank; 16 stainless steel orifice electrode; ; 19 sewage pipes; 20 overflow pipes.
具体实施方式 detailed description
实施例一： Embodiment one:
附图为本发明的一种具体实施例，该实施例包括污水箱15中的污水通过污水计量泵10经污水管19到达树脂型粒子电极层4上部，污水经过钛网17进入树脂型粒子电极层4内，树脂型粒子电极层4外部有直流电源1，直流电源1通过阳极线2、阴极线3分别和树脂型粒子电极层4内的钛网18、不锈钢孔板电极17连接，在强酸型阳离子交换树脂区域产生电场，使树脂颗粒形成树脂型粒子电极，经树脂型粒子电极层4处理过的水经过不锈钢孔板电极16进入吸附型生物滤料层5，污水经吸附型生物滤料层5处理后通过出水管13排出，在吸附性生物滤料外部沿竖直方向等距分布有取水（料）样口15，以便随时观测吸附型生物滤料层5不同位置水质的变化，吸附型生物滤料层5设有曝气盘19、曝气管12，曝气盘19通过曝气管12与空气压缩机7相连，组成曝气系统，为树脂型粒子电极和微生物提供所需氧气，反冲洗进水管6与反冲洗水泵9相连。 Accompanying drawing is a kind of specific embodiment of the present invention, and this embodiment comprises that the sewage in the sewage tank 15 reaches the upper part of the resin type particle electrode layer 4 through the sewage metering pump 10 through the sewage pipe 19, and the sewage enters the resin type particle electrode through the titanium mesh 17 In the layer 4, there is a DC power supply 1 outside the resin-type particle electrode layer 4, and the DC power supply 1 is respectively connected to the titanium mesh 18 and the stainless steel orifice plate electrode 17 in the resin-type particle electrode layer 4 through the anode wire 2 and the cathode wire 3. The electric field is generated in the type cation exchange resin area, so that the resin particles form resin-type particle electrodes. The water treated by the resin-type particle electrode layer 4 enters the adsorption-type biological filter material layer 5 through the stainless steel orifice electrode 16, and the sewage passes through the adsorption-type biological filter material. After layer 5 is treated, it is discharged through the outlet pipe 13, and water (material) sample ports 15 are distributed equidistantly along the vertical direction outside the adsorption biological filter material, so as to observe the change of water quality in different positions of the adsorption biological filter material layer 5 at any time, and absorb Type biological filter material layer 5 is provided with aeration pan 19, aeration pipe 12, and aeration pan 19 is connected with air compressor 7 through aeration pipe 12, forms an aeration system, provides required oxygen for resin type particle electrode and microorganism , the backwash water inlet pipe 6 is connected with the backwash water pump 9 .
将污水箱15中的污水通过污水计量泵10经污水管19树脂型粒子电极层4上部，吸附型生物滤料层5底部设有曝气盘18、曝气管12，曝气盘18通过曝气管12与空气压缩机7相连，组成曝气系统，为树脂型粒子电极和微生物提供所需氧气，污水经过钛网17进入树脂型粒子电极层4内，树脂型粒子电极层所用的填料为经过预处理的强酸型阳离子交换树脂，高0.3米，经树脂型粒子电极层4处理过的水经过不锈钢孔板电极16进入吸附型生物滤料层5，吸附型生物滤料层填充沸石，高0.7米，污水经吸附型生物滤料层5处理后通过出水管13排出，水损增大到一定程度后，需要对新型镀铜废水处理装置进行反冲洗，反冲洗时先停止污水流入后，由空气压缩机7进行气洗，然后打开反冲洗水泵9加压对新型镀铜废水处理装置进行气水联合冲洗，之后关闭空气压缩机7，再用反冲洗水泵9加压对新型镀铜废水处理装置进行水洗，反冲洗的水经溢流管20排出。 The sewage in the sewage tank 15 is passed through the sewage metering pump 10 through the sewage pipe 19 to the upper part of the resin type particle electrode layer 4, and the bottom of the adsorption type biological filter material layer 5 is provided with an aeration pan 18 and an aeration pipe 12, and the aeration pan 18 passes through the aeration The air pipe 12 is connected with the air compressor 7 to form an aeration system to provide the required oxygen for the resin-type particle electrode and microorganisms. The sewage enters the resin-type particle electrode layer 4 through the titanium mesh 17. The filler used in the resin-type particle electrode layer is The pretreated strong-acid cation exchange resin is 0.3 meters high, and the water treated by the resin-type particle electrode layer 4 enters the adsorption-type biological filter material layer 5 through the stainless steel orifice electrode 16, and the adsorption-type biological filter material layer is filled with zeolite. 0.7 meters, the sewage is discharged through the outlet pipe 13 after being treated by the adsorption-type biological filter material layer 5. After the water loss increases to a certain extent, it is necessary to backwash the new copper-plated wastewater treatment device. Air washing is carried out by the air compressor 7, and then the backwash water pump 9 is turned on to pressurize the new copper plating wastewater treatment device for combined air and water flushing, then the air compressor 7 is closed, and the backwash water pump 9 is used to pressurize the new copper plating wastewater The processing device is washed with water, and the backwashed water is discharged through the overflow pipe 20 .
采用上述一种镀铜废水净水方法包括如下步骤：（1）进水水力负荷为6m3/m2，经过计量泵10计量,进入树脂型粒子电极层上部；（2）向曝气盘12通入压缩空气，控制空气压缩机7的压力为0.7MPa，气水比为4：1；（3）废水经过钛网12进入树脂型粒子电极层4；（4）在树脂型粒子电极层4的两端的钛网17和不锈钢孔板电极16通过阳极线2、阴极线3与直流电源1的正极和负极相连，为树脂型粒子电极层4提供所需的电场；（5）污水经过不锈钢孔板电极16进入吸附型生物滤料层5；（6）经吸附型生物滤料层5处理后的水经出水管13排出；（7）运行一段时间后对镀铜废水净水系统进行反冲洗，先气洗3分钟，然后同时水洗和气洗5分钟，再水洗8分钟。 The method for purifying copper-plating wastewater includes the following steps: (1) The hydraulic load of the incoming water is 6m 3 /m 2 , which is metered by the metering pump 10 and enters the upper part of the resin-type particle electrode layer; Introduce compressed air, control the pressure of the air compressor 7 to 0.7MPa, and the air-water ratio to 4:1; (3) Wastewater enters the resin-type particle electrode layer 4 through the titanium mesh 12; (4) In the resin-type particle electrode layer 4 The titanium mesh 17 and the stainless steel orifice plate electrode 16 at both ends are connected to the positive and negative poles of the DC power supply 1 through the anode wire 2 and the cathode wire 3 to provide the required electric field for the resin particle electrode layer 4; (5) The sewage passes through the stainless steel hole The plate electrode 16 enters the adsorption-type biological filter material layer 5; (6) The water treated by the adsorption-type biological filter material layer 5 is discharged through the outlet pipe 13; (7) Backwash the copper-plating wastewater purification system after running for a period of time , first air wash for 3 minutes, then water wash and air wash for 5 minutes at the same time, and then water wash for 8 minutes.
实施例二： Embodiment two:
本具体实施例的镀铜废水净水系统与具体实施例一的镀铜废水净水系统相同。 The copper plating wastewater purification system of this specific embodiment is the same as the copper plating wastewater purification system of the specific embodiment 1.
本净水方法与具体实施例一净水方法区别在于：曝气的气水体积比为3:1。 The difference between this water purification method and the water purification method in Embodiment 1 is that the air-to-water volume ratio of the aeration is 3:1.
实施例三： Embodiment three:
本具体实施例的镀铜废水净水系统与具体实施例一的镀铜废水净水系统相同。 The copper plating wastewater purification system of this specific embodiment is the same as the copper plating wastewater purification system of the specific embodiment 1.
本净水方法与具体实施例一净水方法区别在于：曝气的气水体积比为2:1。 The difference between this water purification method and the specific embodiment 1 water purification method is that the air-to-water volume ratio of the aeration is 2:1.
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