CN102173524A - Water treatment method for ultrasonically improving oxidation of pollutant with permanganate - Google Patents
Water treatment method for ultrasonically improving oxidation of pollutant with permanganate Download PDFInfo
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
一种利用超声强化高锰酸盐氧化污染物的水处理方法，它涉及一种水处理方法。它解决了现有工艺存在高锰酸盐氧化速度慢、处理效果不稳定、新生纳米二氧化锰分散差、催化速度慢的问题。方法1：水进行预处理；出水入混合池然后入絮凝池再入沉淀池；出水经过滤后入清水池消毒后即完成。方法2：水入混合池然后预处理；出水入絮凝池然后入沉淀池；出水经过滤后入清水池消毒后即完成。方法3：水入混合池，超声作用下加高锰酸盐、诱导剂及混凝剂，然后入絮凝池再入沉淀池；出水经过滤后入清水池消毒后即完成。本发明运行效果稳定；利于高锰酸盐还原产物纳米二氧化锰的分散，强化二氧化锰催化高锰酸盐氧化的能力；能促进高锰酸盐分解产生高活性中间态锰。The invention discloses a water treatment method utilizing ultrasonic to strengthen permanganate to oxidize pollutants, which relates to a water treatment method. It solves the problems of slow permanganate oxidation speed, unstable treatment effect, poor dispersion of nascent nano manganese dioxide and slow catalytic speed in the existing technology. Method 1: The water is pretreated; the effluent enters the mixing tank, then enters the flocculation tank and then enters the sedimentation tank; the effluent is filtered and then enters the clean water tank for disinfection. Method 2: The water enters the mixing tank and then pre-treated; the effluent enters the flocculation tank and then enters the sedimentation tank; the effluent is filtered and then enters the clean water tank for disinfection. Method 3: Water enters the mixing tank, adds permanganate, inducer and coagulant under the action of ultrasound, then enters the flocculation tank and then enters the sedimentation tank; after the effluent is filtered, it enters the clean water tank for disinfection and completes. The invention has a stable operation effect, is beneficial to the dispersion of nano manganese dioxide, a reduction product of permanganate, strengthens the ability of manganese dioxide to catalyze the oxidation of permanganate, and can promote the decomposition of permanganate to produce highly active intermediate state manganese.
Description
技术领域technical field
本发明涉及一种水处理方法。The invention relates to a water treatment method.
背景技术Background technique
人类生产生活过程中引入的有毒有害污染物(如持久性污染物、内分泌干扰物、药品与个人护理用品等)对城市饮用水水质安全构成了严重的潜在威胁。常规的水处理工艺无法满足新的《生活饮用水卫生标准》，亟需新的技术来保障水质安全。现有城市供水厂普遍采用高锰酸盐及高锰酸盐复合药剂氧化工艺，这在我国的水厂已有广泛应用，能够去除水中嗅味、色度、浊度、藻毒素、消毒副产物前质，控制藻类生长，稳定出水水质。同时该工艺也存在高锰酸盐氧化速度慢、处理效果不稳定、易穿透、新生纳米二氧化锰分散差、催化速度慢、易于堵塞滤池的问题。Toxic and harmful pollutants (such as persistent pollutants, endocrine disruptors, medicines and personal care products, etc.) introduced in the process of human production and life pose a serious potential threat to the safety of drinking water in cities. Conventional water treatment processes cannot meet the new Sanitary Standards for Drinking Water, and new technologies are urgently needed to ensure water quality safety. Existing urban water supply plants generally use permanganate and permanganate compound agent oxidation process, which has been widely used in water plants in my country, which can remove odor, color, turbidity, algae toxins, and disinfection by-products in water Precursor, controlling the growth of algae and stabilizing the quality of effluent. At the same time, this process also has the problems of slow permanganate oxidation speed, unstable treatment effect, easy penetration, poor dispersion of new nano manganese dioxide, slow catalytic speed, and easy to block the filter tank.
发明内容Contents of the invention
本发明目的是为了解决现有城市供水厂采用高锰酸盐及高锰酸盐复合药剂氧化工艺存在高锰酸盐氧化速度慢、处理效果不稳定、易穿透、新生纳米二氧化锰分散差、催化速度慢、易于堵塞滤池的问题，而提供一种利用超声强化高锰酸盐氧化污染物的水处理方法。The purpose of the present invention is to solve the problems of slow permanganate oxidation speed, unstable treatment effect, easy penetration, and poor dispersion of newborn nano-manganese dioxide in the oxidation process of permanganate and permanganate compound agents used in existing urban water supply plants. , slow catalytic speed, and easy to block the filter tank, and provide a water treatment method that utilizes ultrasound to strengthen permanganate to oxidize pollutants.
利用超声强化高锰酸盐氧化污染物的水处理方法按以下步骤进行：一、待处理的水进入预处理单元，在超声作用下同时投加高锰酸盐及诱导剂进行反应；二、预处理单元的出水流入混合池，并投加混凝剂，混合搅拌后流入絮凝池进行絮凝，然后流入沉淀池；三、沉淀池出水经过滤后进入清水池，消毒后即完成利用超声强化高锰酸盐氧化污染物的水处理；其中步骤一中预处理单元采用管道或者单独池体作为反应器，以管道为反应器时，流速为1～1.5m/s，以单独池体为反应器时，池体与混合池相连；步骤一中高锰酸盐投量为0.1～10mg/L，诱导剂与高锰酸盐的比例为1∶1～10，超声波功率密度为1～200W/cm2，超声作用时间为10s～5min。The water treatment method using ultrasound to strengthen permanganate to oxidize pollutants is carried out in the following steps: 1. The water to be treated enters the pretreatment unit, and permanganate and inducer are added to react under the action of ultrasound; 2. Pretreatment The effluent of the treatment unit flows into the mixing tank, and coagulant is added. After mixing and stirring, it flows into the flocculation tank for flocculation, and then flows into the sedimentation tank; 3. The effluent of the sedimentation tank enters the clear water tank after being filtered. After disinfection, the high manganese is strengthened by ultrasonic Water treatment of salt oxidation pollutants; the pretreatment unit in step 1 uses a pipeline or a separate pool as a reactor. When the pipeline is used as a reactor, the flow rate is 1-1.5m/s. , the tank body is connected with the mixing tank; in step 1, the dosage of permanganate is 0.1-10mg/L, the ratio of inducer to permanganate is 1:1-10, and the ultrasonic power density is 1-200W/cm 2 , Ultrasonic action time is 10s ~ 5min.
利用超声强化高锰酸盐氧化污染物的水处理方法按以下步骤进行：一、待处理的水进入混合池，并投加混凝剂，混合搅拌后流入预处理单元，在超声作用下同时投加高锰酸盐及诱导剂进行反应；二、预处理单元的出水流入絮凝池进行絮凝，然后流入沉淀池；三、沉淀池出水经过滤后进入清水池，消毒后即完成利用超声强化高锰酸盐氧化污染物的水处理；其中步骤一中预处理单元采用管道或者单独池体作为反应器，以管道为反应器时，流速为1～1.5m/s，以单独池体为反应器时，池体与混合池相连；步骤一中高锰酸盐投量为0.1～10mg/L，诱导剂与高锰酸盐的比例为1∶1～10，超声波功率密度为1～200W/cm2，超声作用时间为10s～5min。The water treatment method using ultrasound to strengthen permanganate to oxidize pollutants is carried out in the following steps: 1. The water to be treated enters the mixing tank, and coagulant is added, and after mixing and stirring, it flows into the pretreatment unit, and is simultaneously injected under the action of ultrasound. Add permanganate and inducer to react; 2. The effluent of the pretreatment unit flows into the flocculation tank for flocculation, and then flows into the sedimentation tank; 3. The effluent of the sedimentation tank enters the clear water tank after being filtered, and the ultrasonic strengthening of high manganese is completed after disinfection. Water treatment of salt oxidation pollutants; the pretreatment unit in step 1 uses a pipeline or a separate pool as a reactor. When the pipeline is used as a reactor, the flow rate is 1-1.5m/s. , the tank body is connected with the mixing tank; in step 1, the dosage of permanganate is 0.1-10mg/L, the ratio of inducer to permanganate is 1:1-10, and the ultrasonic power density is 1-200W/cm 2 , Ultrasonic action time is 10s ~ 5min.
利用超声强化高锰酸盐氧化污染物的水处理方法按以下步骤进行：一、待处理的水进入混合池，在超声作用下同时投加高锰酸盐、诱导剂及混凝剂，混合搅拌反应后流入絮凝池进行絮凝，然后流入沉淀池；二、沉淀池出水经过滤后进入清水池，消毒后即完成利用超声强化高锰酸盐氧化污染物的水处理；其中步骤一中超声直接作用于混合池；步骤一中高锰酸盐投量为0.1～10mg/L，诱导剂与高锰酸盐的比例为1∶1～10，超声波功率密度为1～200W/cm2，超声作用时间为10s～5min；步骤一中混凝剂为聚合氯化铁、聚合氯化铝或聚合铝铁，投加率为0.5％～2％(质量)。The water treatment method using ultrasound to strengthen permanganate to oxidize pollutants is carried out in the following steps: 1. The water to be treated enters the mixing tank, and permanganate, inducer and coagulant are added under the action of ultrasound at the same time, and mixed and stirred After the reaction, it flows into the flocculation tank for flocculation, and then flows into the sedimentation tank; 2. The effluent from the sedimentation tank enters the clear water tank after being filtered, and after disinfection, the water treatment using ultrasonic enhanced permanganate to oxidize pollutants is completed; in the first step, the ultrasonic direct action In the mixing tank; in step 1, the dosage of permanganate is 0.1-10mg/L, the ratio of inducer to permanganate is 1:1-10, the ultrasonic power density is 1-200W/cm 2 , and the ultrasonic action time is 10s to 5 minutes; in step 1, the coagulant is polyferric chloride, polyaluminum chloride or polyaluminum iron, and the dosage rate is 0.5% to 2% (by mass).
本发明将超声应用于高锰酸盐氧化除污染的水处理方法中，超声的强化传质作用能够促进高锰酸盐与污染物的有效接触；超声的分散作用有利于高锰酸盐还原产物纳米二氧化锰的分散，强化二氧化锰催化高锰酸盐氧化的能力；超声空化作用产生的含氧自由基能够促进高锰酸盐分解产生高活性中间态锰。The invention applies ultrasound to the water treatment method for permanganate oxidation and decontamination, the enhanced mass transfer effect of ultrasound can promote the effective contact between permanganate and pollutants; the dispersion effect of ultrasound is beneficial to the reduction product of permanganate The dispersion of nano-manganese dioxide strengthens the ability of manganese dioxide to catalyze the oxidation of permanganate; the oxygen-containing free radicals generated by ultrasonic cavitation can promote the decomposition of permanganate to produce highly active intermediate manganese.
本发明应用的超声波技术是一种环境友好技术，能够有效去除水中难降解有机物、藻类、微生物等，具有操作简单、易控制等优点。The ultrasonic technology applied in the present invention is an environment-friendly technology, which can effectively remove refractory organic matter, algae, microorganisms, etc. in water, and has the advantages of simple operation and easy control.
本发明利用超声强化高锰酸盐氧化污染物的水处理，技术要求不高，成本低，改造方便，可应用于城市供水厂水质的达标升级改造，运行效果稳定，不易穿透，不会产生滤池堵塞，出水清澈无异味，能够全面提高处理后水质，出水符合《生活饮用水卫生标准》。The invention utilizes ultrasound to strengthen the water treatment of pollutants oxidized by permanganate, which has low technical requirements, low cost, and convenient transformation. It can be applied to the upgrading and transformation of water quality in urban water supply plants. The filter is blocked, and the effluent is clear and odorless, which can comprehensively improve the quality of the treated water, and the effluent meets the "Drinking Water Sanitation Standard".
具体实施方式Detailed ways
本发明技术方案不局限于以下所列举具体实施方式，还包括各具体实施方式间的任意组合。The technical solution of the present invention is not limited to the specific embodiments listed below, but also includes any combination of the specific embodiments.
具体实施方式一：本实施方式利用超声强化高锰酸盐氧化污染物的水处理方法按以下步骤进行：一、待处理的水进入预处理单元，在超声作用下同时投加高锰酸盐及诱导剂进行反应；二、预处理单元的出水流入混合池，并投加混凝剂，混合搅拌后流入絮凝池进行絮凝，然后流入沉淀池；三、沉淀池出水经过滤后进入清水池，消毒后即完成利用超声强化高锰酸盐氧化污染物的水处理；其中步骤一中预处理单元采用管道或者单独池体作为反应器，以管道为反应器时，流速为1～1.5m/s，以单独池体为反应器时，池体与混合池相连；步骤一中高锰酸盐投量为0.1～10mg/L，诱导剂与高锰酸盐的比例为1∶1～10，超声波功率密度为1～200W/cm2，超声作用时间为10s～5min。Specific embodiment one: this embodiment utilizes the water treatment method of supersonic strengthening permanganate to oxidize pollutants to carry out according to the following steps: one, the water to be treated enters the pretreatment unit, dosing permanganate and 2. The effluent of the pretreatment unit flows into the mixing tank, and coagulant is added, mixed and stirred, flows into the flocculation tank for flocculation, and then flows into the sedimentation tank; 3. The effluent of the sedimentation tank enters the clear water tank after being filtered, and is disinfected After that, the water treatment of pollutants oxidized by ultrasonic enhanced permanganate is completed; the pretreatment unit in step 1 uses a pipeline or a separate pool as the reactor, and when the pipeline is used as the reactor, the flow rate is 1-1.5m/s, When a single tank is used as a reactor, the tank is connected to the mixing tank; in step 1, the dosage of permanganate is 0.1-10 mg/L, the ratio of inducer to permanganate is 1:1-10, and the ultrasonic power density 1-200W/cm 2 , and the ultrasonic action time is 10s-5min.
本实施方式中待处理的水为地表水或受有机污染的地下水。In this embodiment, the water to be treated is surface water or organically polluted groundwater.
具体实施方式二：本实施方式与具体实施方式一不同的是步骤一中高锰酸盐投量为0.1mg/L，诱导剂与高锰酸盐的比例为1∶10，超声波功率密度为1W/cm2，超声作用时间为5min。其它步骤及参数与具体实施方式一相同。Specific embodiment two: the difference between this embodiment and specific embodiment one is that the dosage of permanganate in step one is 0.1mg/L, the ratio of inducer and permanganate is 1:10, and the ultrasonic power density is 1W/ cm 2 , the ultrasonic action time is 5 minutes. Other steps and parameters are the same as those in Embodiment 1.
具体实施方式三：本实施方式与具体实施方式一不同的是步骤一中高锰酸盐投量为10mg/L，诱导剂与高锰酸盐的比例为1∶1，超声波功率密度为200W/cm2，超声作用时间为10s。其它步骤及参数与具体实施方式一相同。Specific embodiment three: the difference between this embodiment and specific embodiment one is that the dosage of permanganate in step one is 10mg/L, the ratio of inducer and permanganate is 1:1, and the ultrasonic power density is 200W/cm 2. Ultrasonic action time is 10s. Other steps and parameters are the same as those in Embodiment 1.
具体实施方式四：本实施方式与具体实施方式一不同的是步骤一中高锰酸盐投量为1～8mg/L，诱导剂与高锰酸盐的比例为1∶2～8，超声波功率密度为10～180W/cm2，超声作用时间为1～4min。其它步骤及参数与具体实施方式一相同。Embodiment 4: The difference between this embodiment and Embodiment 1 is that the dosage of permanganate in step 1 is 1 to 8 mg/L, the ratio of inducer to permanganate is 1: 2 to 8, and the ultrasonic power density 10~180W/cm 2 , and the ultrasonic action time is 1~4min. Other steps and parameters are the same as those in Embodiment 1.
具体实施方式五：本实施方式与具体实施方式一不同的是步骤一中高锰酸盐投量为4mg/L，诱导剂与高锰酸盐的比例为1∶5，超声波功率密度为150W/cm2，超声作用时间为2min。其它步骤及参数与具体实施方式一相同。Specific embodiment five: the difference between this embodiment and specific embodiment one is that the dosage of permanganate in step one is 4mg/L, the ratio of inducer and permanganate is 1:5, and the ultrasonic power density is 150W/cm 2. Ultrasonic action time is 2min. Other steps and parameters are the same as those in Embodiment 1.
具体实施方式六：本实施方式与具体实施方式一至五之一不同的是步骤一中超声的发生器为探头式或槽式。其它步骤及参数与具体实施方式一至五之一相同。Embodiment 6: The difference between this embodiment and one of Embodiments 1 to 5 is that the ultrasonic generator in step 1 is probe type or groove type. Other steps and parameters are the same as one of the specific embodiments 1 to 5.
具体实施方式七：本实施方式与具体实施方式一至六之一不同的是步骤一中超声的布置方式采用单一声场、正交声场、平行声场或多声场组合的方式。其它步骤及参数与具体实施方式一至六之一相同。Embodiment 7: The difference between this embodiment and one of Embodiments 1 to 6 is that the arrangement of ultrasound in step 1 adopts a single sound field, an orthogonal sound field, a parallel sound field or a combination of multiple sound fields. Other steps and parameters are the same as one of the specific embodiments 1 to 6.
本实施方式中采用不同声场可使用相同频率，或者不同频率的声场叠加。In this embodiment, different sound fields may be used at the same frequency, or sound fields of different frequencies may be superimposed.
具体实施方式八：本实施方式与具体实施方式一至七之一不同的是步骤一中高锰酸盐为高锰酸钾、高锰酸钠中的一种或者两种的混合。其它步骤及参数与具体实施方式一至七之一相同。Embodiment 8: The difference between this embodiment and one of Embodiments 1 to 7 is that the permanganate in step 1 is potassium permanganate and sodium permanganate or a mixture of both. Other steps and parameters are the same as one of the specific embodiments 1 to 7.
本实施方式中高锰酸盐为混合物时，按任意比例混合。In this embodiment, when the permanganate is a mixture, it is mixed in any proportion.
具体实施方式九：本实施方式与具体实施方式一至八之一不同的是步骤一中诱导剂为含有锰离子的盐或者含有亚铁离子的盐；含有锰离子的盐为硫酸锰、氯化锰、硝酸锰中的一种或几种；含有亚铁离子的盐为硫酸亚铁、氯化亚铁、高氯酸亚铁中的一种或几种。其它步骤及参数与具体实施方式一至八之一相同。Specific embodiment nine: the difference between this embodiment and specific embodiment one to eight is that in step one, the inducer is a salt containing manganese ions or a salt containing ferrous ions; the salt containing manganese ions is manganese sulfate, manganese chloride One or more of manganese nitrate; the salt containing ferrous ions is one or more of ferrous sulfate, ferrous chloride and ferrous perchlorate. Other steps and parameters are the same as those in Embodiments 1 to 8.
本实施方式中含有锰离子的盐为混合物时，按任意比例混合；含有亚铁离子的盐为混合物时，按任意比例混合。In this embodiment, when the salt containing manganese ions is a mixture, it is mixed in any proportion; when the salt containing ferrous ions is a mixture, it is mixed in any proportion.
具体实施方式十：本实施方式与具体实施方式一至九之一不同的是步骤二中混凝剂为聚合氯化铁、聚合氯化铝或聚合铝铁，投加率为0.5％～2％(质量)。其它步骤及参数与具体实施方式一至九之一相同。Specific embodiment ten: this embodiment is different from one of specific embodiments one to nine in that the coagulant is polyferric chloride, polyaluminum chloride or polyaluminum iron in step 2, and the dosage rate is 0.5%～2% ( quality). Other steps and parameters are the same as one of the specific embodiments 1 to 9.
具体实施方式十一：本实施方式与具体实施方式一至十之一不同的是步骤三中过滤是指沉淀池出水通过单层滤料、活性炭/石英砂双层滤料或者生物活性炭滤床进行过滤。其它步骤及参数与具体实施方式一至十之一相同。Embodiment 11: The difference between this embodiment and Embodiments 1 to 10 is that the filtration in step 3 means that the effluent from the sedimentation tank is filtered through a single-layer filter material, activated carbon/quartz sand double-layer filter material or biological activated carbon filter bed. . Other steps and parameters are the same as those in Embodiments 1 to 11.
本实施方式中单层滤料采用的为石英砂。In this embodiment, the single-layer filter material is quartz sand.
具体实施方式十二：本实施方式与具体实施方式一至十一之一不同的是步骤三中消毒是指清水池中的水采用氯消毒，或者采用氯和氯胺联合消毒。其它步骤及参数与具体实施方式一至十一之一相同。Embodiment 12: This embodiment differs from Embodiment 1 to Embodiment 11 in that the disinfection in step 3 refers to the disinfection of the water in the clear water pool by chlorine, or the combined disinfection of chlorine and chloramine. Other steps and parameters are the same as those in Embodiments 1 to 11.
具体实施方式十三：本实施方式利用超声强化高锰酸盐氧化污染物的水处理方法按以下步骤进行：一、待处理的水进入混合池，并投加混凝剂，混合搅拌后流入预处理单元，在超声作用下同时投加高锰酸盐及诱导剂进行反应；二、预处理单元的出水流入絮凝池进行絮凝，然后流入沉淀池；三、沉淀池出水经过滤后进入清水池，消毒后即完成利用超声强化高锰酸盐氧化污染物的水处理；其中步骤一中预处理单元采用管道或者单独池体作为反应器，以管道为反应器时，流速为1～1.5m/s，以单独池体为反应器时，池体与混合池相连；步骤一中高锰酸盐投量为0.1～10mg/L，诱导剂与高锰酸盐的比例为1∶1～10，超声波功率密度为1～200W/cm2，超声作用时间为10s～5min。Specific embodiment thirteen: In this embodiment, the water treatment method using ultrasonically strengthened permanganate to oxidize pollutants is carried out in the following steps: 1. The water to be treated enters the mixing tank, and coagulant is added, and after mixing and stirring, it flows into the pre-treatment tank. The processing unit, under the action of ultrasound, simultaneously adds permanganate and inducer to react; 2. The effluent of the pretreatment unit flows into the flocculation tank for flocculation, and then flows into the sedimentation tank; 3. The effluent of the sedimentation tank enters the clear water tank after being filtered. After disinfection, the water treatment using ultrasonic enhanced permanganate to oxidize pollutants is completed; the pretreatment unit in step 1 uses a pipeline or a separate pool as the reactor, and when the pipeline is used as the reactor, the flow rate is 1-1.5m/s , when a single pool body is used as a reactor, the pool body is connected to the mixing pool; the dosage of permanganate in step 1 is 0.1-10 mg/L, the ratio of inducer to permanganate is 1:1-10, and the ultrasonic power The density is 1-200W/cm 2 , and the ultrasonic action time is 10s-5min.
本实施方式中待处理的水为地表水或受有机污染的地下水。In this embodiment, the water to be treated is surface water or organically polluted groundwater.
具体实施方式十四：本实施方式与具体实施方式十三不同的是步骤一中混凝剂为聚合氯化铁、聚合氯化铝或聚合铝铁，投加率为0.5％～2％(质量)。其它步骤及参数与具体实施方式十三相同。Specific embodiment fourteen: the difference between this embodiment and specific embodiment thirteen is that the coagulant in step one is polyferric chloride, polyaluminum chloride or polyaluminum iron, and the dosage rate is 0.5%～2% (mass ). Other steps and parameters are the same as those in Embodiment 13.
具体实施方式十五：本实施方式与具体实施方式十三或十四不同的是步骤一中高锰酸盐投量为0.1mg/L，诱导剂与高锰酸盐的比例为1∶1，超声波功率密度为200W/cm2，超声作用时间为10s。其它步骤及参数与具体实施方式十三或十四相同。Embodiment 15: The difference between this embodiment and Embodiment 13 or 14 is that the dosage of permanganate in step 1 is 0.1 mg/L, the ratio of inducer to permanganate is 1:1, ultrasonic The power density is 200W/cm 2 , and the ultrasonic action time is 10s. Other steps and parameters are the same as those in Embodiment 13 or 14.
具体实施方式十六：本实施方式与具体实施方式十三或十四不同的是步骤一中高锰酸盐投量为10mg/L，诱导剂与高锰酸盐的比例为1∶10，超声波功率密度为1W/cm2，超声作用时间为5min。其它步骤及参数与具体实施方式十三或十四相同。Embodiment 16: This embodiment differs from Embodiment 13 or 14 in that the dosage of permanganate in step 1 is 10 mg/L, the ratio of inducer to permanganate is 1:10, and the ultrasonic power The density is 1W/cm 2 , and the ultrasonic action time is 5min. Other steps and parameters are the same as those in Embodiment 13 or 14.
具体实施方式十七：本实施方式与具体实施方式十三或十四不同的是步骤一中高锰酸盐投量为2～9mg/L，诱导剂与高锰酸盐的比例为1∶2～8，超声波功率密度为20～180W/cm2，超声作用时间为50s～3min。其它步骤及参数与具体实施方式十三或十四相同。Embodiment 17: This embodiment is different from Embodiment 13 or 14 in that the dosage of permanganate in step 1 is 2-9 mg/L, and the ratio of inducer to permanganate is 1:2- 8. The ultrasonic power density is 20-180W/cm 2 , and the ultrasonic action time is 50s-3min. Other steps and parameters are the same as those in Embodiment 13 or 14.
具体实施方式十八：本实施方式与具体实施方式十三或十四不同的是步骤一中高锰酸盐投量为5mg/L，诱导剂与高锰酸盐的比例为1∶6，超声波功率密度为160W/cm2，超声作用时间为1min。其它步骤及参数与具体实施方式十三或十四相同。Embodiment 18: This embodiment differs from Embodiment 13 or 14 in that the dosage of permanganate in step 1 is 5 mg/L, the ratio of inducer to permanganate is 1:6, and the ultrasonic power The density is 160W/cm 2 , and the ultrasonic action time is 1min. Other steps and parameters are the same as those in Embodiment 13 or 14.
具体实施方式十九：本实施方式与具体实施方式十三至十八之一不同的是步骤一中超声的发生器为探头式或槽式。其它步骤及参数与具体实施方式十三至十八之一相同。Specific Embodiment Nineteen: The difference between this embodiment and one of specific embodiments thirteen to eighteen is that the ultrasonic generator in step 1 is a probe type or a groove type. Other steps and parameters are the same as those in Embodiment 13 to Embodiment 18.
具体实施方式二十：本实施方式与具体实施方式十三至十九之一不同的是步骤一中超声的布置方式采用单一声场、正交声场、平行声场或多声场组合的方式。其它步骤及参数与具体实施方式十三至十九之一相同。Embodiment 20: This embodiment differs from Embodiment 13 to Embodiment 19 in that the arrangement of ultrasound in Step 1 adopts a single sound field, an orthogonal sound field, a parallel sound field or a combination of multiple sound fields. Other steps and parameters are the same as those in Embodiment 13 to Embodiment 19.
本实施方式中采用不同声场可使用相同频率，或者不同频率的声场叠加。In this embodiment, different sound fields may be used at the same frequency, or sound fields of different frequencies may be superimposed.
具体实施方式二十一：本实施方式与具体实施方式十三至二十之一不同的是步骤一中高锰酸盐为高锰酸钾、高锰酸钠中的一种或者两种的混合。其它步骤及参数与具体实施方式十三至二十之一相同。Embodiment 21: This embodiment differs from Embodiment 13 to Embodiment 21 in that the permanganate in step 1 is one or a mixture of potassium permanganate and sodium permanganate. Other steps and parameters are the same as those in the thirteenth to twenty-first embodiments.
本实施方式中高锰酸盐为混合物时，按任意比例混合。In this embodiment, when the permanganate is a mixture, it is mixed in any proportion.
具体实施方式二十二：本实施方式与具体实施方式十三至二十一之一不同的是步骤一中诱导剂为含有锰离子的盐或者含有亚铁离子的盐；含有锰离子的盐为硫酸锰、氯化锰、硝酸锰中的一种或几种；含有亚铁离子的盐为硫酸亚铁、氯化亚铁、高氯酸亚铁中的一种或几种。其它步骤及参数与具体实施方式十三至二十一之一相同。Embodiment 22: The difference between this embodiment and Embodiment 13 to 21 is that the inducer in step 1 is a salt containing manganese ions or a salt containing ferrous ions; the salt containing manganese ions is One or more of manganese sulfate, manganese chloride, and manganese nitrate; the salt containing ferrous ions is one or more of ferrous sulfate, ferrous chloride, and ferrous perchlorate. Other steps and parameters are the same as those in Embodiment 13 to Embodiment 21.
本实施方式中含有锰离子的盐为混合物时，按任意比例混合；含有亚铁离子的盐为混合物时，按任意比例混合。In this embodiment, when the salt containing manganese ions is a mixture, it is mixed in any proportion; when the salt containing ferrous ions is a mixture, it is mixed in any proportion.
具体实施方式二十三：本实施方式与具体实施方式十三至二十二之一不同的是步骤三中过滤是指沉淀池出水通过单层滤料、活性炭/石英砂双层滤料或者生物活性炭滤床进行过滤。其它步骤及参数与具体实施方式十三至二十二之一相同。Specific embodiment 23: The difference between this embodiment and one of specific embodiments 13 to 22 is that the filtration in step 3 means that the effluent from the sedimentation tank passes through a single-layer filter material, activated carbon/quartz sand double-layer filter material or biological Activated carbon filter bed for filtration. Other steps and parameters are the same as those in the specific embodiment 13 to 22.
本实施方式中单层滤料采用的为石英砂。In this embodiment, the single-layer filter material is quartz sand.
具体实施方式二十四：本实施方式与具体实施方式十三至二十三之一不同的是步骤三中消毒是指清水池中的水采用氯消毒，或者采用氯和氯胺联合消毒。其它步骤及参数与具体实施方式十三至二十三之一相同。Embodiment 24: This embodiment differs from Embodiment 13 to Embodiment 23 in that the disinfection in step 3 means that the water in the clear water pool is disinfected by chlorine, or combined by chlorine and chloramine. Other steps and parameters are the same as those in Embodiment 13 to Embodiment 23.
具体实施方式二十五：本实施方式利用超声强化高锰酸盐氧化污染物的水处理方法按以下步骤进行：一、待处理的水进入混合池，在超声作用下同时投加高锰酸盐、诱导剂及混凝剂，混合搅拌反应后流入絮凝池进行絮凝，然后流入沉淀池；二、沉淀池出水经过滤后进入清水池，消毒后即完成利用超声强化高锰酸盐氧化污染物的水处理；其中步骤一中超声直接作用于混合池；步骤一中高锰酸盐投量为0.1～10mg/L，诱导剂与高锰酸盐的比例为1∶1～10，超声波功率密度为1～200W/cm2，超声作用时间为10s～5min；步骤一中混凝剂为聚合氯化铁、聚合氯化铝或聚合铝铁，投加率为0.5％～2％(质量)。Specific Embodiment Twenty-five: In this embodiment, the water treatment method using ultrasonically strengthened permanganate to oxidize pollutants is carried out according to the following steps: 1. The water to be treated enters the mixing tank, and permanganate is added under the action of ultrasound at the same time , inducer and coagulant, mixed and stirred to react, flow into the flocculation tank for flocculation, and then flow into the sedimentation tank; 2. The effluent from the sedimentation tank enters the clear water tank after being filtered, and the use of ultrasonic to strengthen the oxidation of pollutants by permanganate is completed after disinfection Water treatment; wherein in step 1, the ultrasound directly acts on the mixing tank; in step 1, the dosage of permanganate is 0.1-10 mg/L, the ratio of inducer to permanganate is 1:1-10, and the ultrasonic power density is 1 ～200W/cm 2 , ultrasonic action time is 10s～5min; in step 1, the coagulant is polyferric chloride, polyaluminum chloride or polyaluminum iron, and the dosage rate is 0.5%～2% (mass).
本实施方式中待处理的水为地表水或受有机污染的地下水。In this embodiment, the water to be treated is surface water or organically polluted groundwater.
具体实施方式二十六：本实施方式与具体实施方式二十五不同的是步骤二中高锰酸盐投量为0.1mg/L，诱导剂与高锰酸盐的比例为1∶10，超声波功率密度为1W/cm2，超声作用时间为5min。其它步骤及参数与具体实施方式二十五相同。Embodiment 26: This embodiment differs from Embodiment 25 in that the dosage of permanganate in step 2 is 0.1 mg/L, the ratio of inducer to permanganate is 1:10, and the ultrasonic power The density is 1W/cm 2 , and the ultrasonic action time is 5min. Other steps and parameters are the same as those in Embodiment 25.
具体实施方式二十七：本实施方式与具体实施方式二十五不同的是步骤二中高锰酸盐投量为10mg/L，诱导剂与高锰酸盐的比例为1∶1，超声波功率密度为200W/cm2，超声作用时间为10s。其它步骤及参数与具体实施方式二十五相同。Embodiment 27: The difference between this embodiment and Embodiment 25 is that the dosage of permanganate in step 2 is 10 mg/L, the ratio of inducer to permanganate is 1:1, and the ultrasonic power density It is 200W/cm 2 , and the ultrasonic action time is 10s. Other steps and parameters are the same as those in Embodiment 25.
具体实施方式二十八：本实施方式与具体实施方式二十五不同的是步骤二中高锰酸盐投量为1～9mg/L，诱导剂与高锰酸盐的比例为1∶2～9，超声波功率密度为5～180W/cm2，超声作用时间为1～4min。其它步骤及参数与具体实施方式二十五相同。Embodiment 28: This embodiment differs from Embodiment 25 in that the dosage of permanganate in step 2 is 1 to 9 mg/L, and the ratio of inducer to permanganate is 1: 2 to 9 , the ultrasonic power density is 5-180W/cm 2 , and the ultrasonic action time is 1-4min. Other steps and parameters are the same as those in Embodiment 25.
具体实施方式二十九：本实施方式与具体实施方式二十五不同的是步骤二中高锰酸盐投量为7mg/L，诱导剂与高锰酸盐的比例为1∶4，超声波功率密度为100W/cm2，超声作用时间为3min。其它步骤及参数与具体实施方式二十五相同。Embodiment 29: The difference between this embodiment and Embodiment 25 is that the dosage of permanganate in step 2 is 7 mg/L, the ratio of inducer to permanganate is 1:4, and the ultrasonic power density 100W/cm 2 , ultrasonic action time is 3min. Other steps and parameters are the same as those in Embodiment 25.
具体实施方式三十：本实施方式与具体实施方式二十五至二十九之一不同的是步骤一中超声的发生器为探头式或槽式。其它步骤及参数与具体实施方式二十五至二十九之一相同。Embodiment 30: The difference between this embodiment and Embodiments 25 to 29 is that the ultrasonic generator in step 1 is a probe type or a tank type. Other steps and parameters are the same as those in the twenty-fifth to twenty-ninth specific embodiments.
具体实施方式三十一：本实施方式与具体实施方式二十五至三十之一不同的是步骤一中超声的布置方式采用单一声场、正交声场、平行声场或多声场组合的方式。其它步骤及参数与具体实施方式二十五至三十之一相同。Specific Embodiment 31: This embodiment differs from Specific Embodiments 25 to 30 in that the arrangement of ultrasound in Step 1 adopts a single sound field, an orthogonal sound field, a parallel sound field or a combination of multiple sound fields. Other steps and parameters are the same as those in the twenty-fifth to thirty-one specific embodiments.
本实施方式中采用不同声场可使用相同频率，或者不同频率的声场叠加。In this embodiment, different sound fields may be used at the same frequency, or sound fields of different frequencies may be superimposed.
具体实施方式三十二：本实施方式与具体实施方式二十五至三十一之一不同的是步骤一中高锰酸盐为高锰酸钾、高锰酸钠中的一种或者两种的混合。其它步骤及参数与具体实施方式二十五至三十一之一相同。Embodiment 32: This embodiment is different from Embodiment 25 to Embodiment 31 in that the permanganate in step 1 is one or both of potassium permanganate and sodium permanganate mix. Other steps and parameters are the same as those in the 25th to 31st specific embodiments.
本实施方式中高锰酸盐为混合物时，按任意比例混合。In this embodiment, when the permanganate is a mixture, it is mixed in any proportion.
具体实施方式三十三：本实施方式与具体实施方式二十五至三十二之一不同的是步骤一中诱导剂为含有锰离子的盐或者含有亚铁离子的盐；含有锰离子的盐为硫酸锰、氯化锰、硝酸锰中的一种或几种；含有亚铁离子的盐为硫酸亚铁、氯化亚铁、高氯酸亚铁中的一种或几种。其它步骤及参数与具体实施方式二十五至三十二之一相同。Specific embodiment thirty-three: the difference between this embodiment and one of the twenty-five to thirty-two specific embodiments is that the inducer in step 1 is a salt containing manganese ions or a salt containing ferrous ions; a salt containing manganese ions It is one or more of manganese sulfate, manganese chloride, and manganese nitrate; the salt containing ferrous ions is one or more of ferrous sulfate, ferrous chloride, and ferrous perchlorate. Other steps and parameters are the same as one of the twenty-fifth to thirty-two specific embodiments.
本实施方式中含有锰离子的盐为混合物时，按任意比例混合；含有亚铁离子的盐为混合物时，按任意比例混合。In this embodiment, when the salt containing manganese ions is a mixture, it is mixed in any proportion; when the salt containing ferrous ions is a mixture, it is mixed in any proportion.
具体实施方式三十四：本实施方式与具体实施方式二十五至三十三之一不同的是步骤二中过滤是指沉淀池出水通过单层滤料、活性炭/石英砂双层滤料或者生物活性炭滤床进行过滤。其它步骤及参数与具体实施方式二十五至三十三之一相同。Embodiment 34: The difference between this embodiment and Embodiments 25 to 33 is that the filtration in step 2 means that the effluent from the sedimentation tank passes through a single-layer filter material, activated carbon/quartz sand double-layer filter material or Bio-activated carbon filter bed for filtration. Other steps and parameters are the same as those in the 25th to 33rd specific embodiments.
本实施方式中单层滤料采用的为石英砂。In this embodiment, the single-layer filter material is quartz sand.
具体实施方式三十五：本实施方式与具体实施方式二十五至三十四之一不同的是步骤二中消毒是指清水池中的水采用氯消毒，或者采用氯和氯胺联合消毒。其它步骤及参数与具体实施方式二十五至三十四之一相同。Embodiment 35: The difference between this embodiment and Embodiments 25 to 34 is that the disinfection in step 2 means that the water in the clean water pool is disinfected by chlorine, or combined by chlorine and chloramine. Other steps and parameters are the same as one of the twenty-fifth to thirty-fourth specific embodiments.
具体实施方式三十六：本实施方式一种利用超声强化高锰酸盐氧化污染物的水处理方法按以下步骤进行：一、待处理的水进入预处理单元，在超声作用下同时投加高锰酸钾及氯化锰进行反应；二、预处理单元的出水流入混合池，并投加聚合氯化铝，混合搅拌后流入絮凝池进行絮凝，然后流入沉淀池；三、沉淀池出水经过滤后进入清水池，消毒后即完成利用超声强化高锰酸盐氧化污染物的水处理；其中步骤一中预处理单元采用管道作为反应器，流速为1m/s；步骤一中高锰酸钾投量为3mg/L，氯化锰与高锰酸钾的比例为1∶5，超声波功率密度为100W/cm2，超声作用时间为2min。Specific Embodiment Thirty-six: In this embodiment, a water treatment method using ultrasonically enhanced permanganate to oxidize pollutants is carried out in the following steps: 1. The water to be treated enters the pretreatment unit, and high Potassium manganate and manganese chloride react; 2. The effluent of the pretreatment unit flows into the mixing tank, and polyaluminium chloride is added, mixed and stirred, flows into the flocculation tank for flocculation, and then flows into the sedimentation tank; 3. The effluent of the sedimentation tank is filtered After entering the clear water pool, after disinfection, the water treatment of pollutants oxidized by ultrasonic strengthening permanganate is completed; in the first step, the pretreatment unit uses the pipeline as the reactor, and the flow rate is 1m/s; in the first step, the dosage of potassium permanganate The ratio of manganese chloride to potassium permanganate is 1:5, the ultrasonic power density is 100W/cm 2 , and the ultrasonic action time is 2min.
本实施方式中待处理的水为地表水；超声的发生器为探头式；采用单一声场；聚合氯化铝投加率为1％(质量)。In this embodiment, the water to be treated is surface water; the ultrasonic generator is a probe type; a single sound field is adopted; the dosage rate of polyaluminum chloride is 1% (by mass).
本实施方式中超声强化高锰酸盐氧化处理污水，运行效果稳定，不会产生滤池堵塞，其清水池的出水清澈无异味，经检测，出水符合《生活饮用水卫生标准》。In this embodiment, the ultrasonic enhanced permanganate oxidation treatment of sewage has a stable operation effect and will not cause filter blockage. The effluent from the clean water pool is clear and has no peculiar smell. After testing, the effluent meets the "Drinking Water Hygienic Standard".
具体实施方式三十七：本实施方式一种利用超声强化高锰酸盐氧化污染物的水处理方法按以下步骤进行：一、待处理的水进入混合池，并投加聚合铝铁，混合搅拌后流入预处理单元，在超声作用下同时投加高锰酸钠及硫酸锰进行反应；二、预处理单元的出水流入絮凝池进行絮凝，然后流入沉淀池；三、沉淀池出水经过滤后进入清水池，消毒后即完成利用超声强化高锰酸盐氧化污染物的水处理方法；其中步骤二中预处理单元采用单独池体作为反应器，池体与混合池相连；步骤二中高锰酸钠投量为4mg/L，硫酸锰与高锰酸钠的比例为1∶6，超声波功率密度为150W/cm2，超声作用时间为3min。Specific Embodiment Thirty-seven: In this embodiment, a water treatment method using ultrasonically strengthened permanganate to oxidize pollutants is carried out in the following steps: 1. The water to be treated enters the mixing tank, and polyaluminium-iron is added, mixed and stirred After that, it flows into the pretreatment unit, and sodium permanganate and manganese sulfate are added to react under the action of ultrasound at the same time; 2. The effluent from the pretreatment unit flows into the flocculation tank for flocculation, and then flows into the sedimentation tank; 3. The effluent from the sedimentation tank is filtered and enters Clean water pool, after disinfection, the water treatment method of using ultrasonic to strengthen permanganate to oxidize pollutants is completed; wherein the pretreatment unit in step 2 uses a separate pool body as a reactor, and the pool body is connected to the mixing pool; in step 2, sodium permanganate The dosage is 4mg/L, the ratio of manganese sulfate to sodium permanganate is 1:6, the ultrasonic power density is 150W/cm 2 , and the ultrasonic action time is 3min.
本实施方式中待处理的水为受有机污染的地下水；超声的发生器为槽式；采用正交声场；聚合铝铁投加率为1.5％(质量)。In this embodiment, the water to be treated is groundwater polluted by organic matter; the ultrasonic generator is a trough type; an orthogonal sound field is used;
本实施方式中超声强化高锰酸盐氧化处理污水，运行效果稳定，不会产生滤池堵塞，其清水池的出水清澈无异味，经检测，出水符合《生活饮用水卫生标准》。In this embodiment, the ultrasonic enhanced permanganate oxidation treatment of sewage has a stable operation effect and will not cause filter blockage. The effluent from the clean water pool is clear and has no peculiar smell. After testing, the effluent meets the "Drinking Water Hygienic Standard".
具体实施方式三十八：本实施方式一种利用超声强化高锰酸盐氧化污染物的水处理方法按以下步骤进行：一、待处理的水进入混合池，在超声作用下同时投加高锰酸钾、高锰酸钠、硫酸亚铁及聚合氯化铁，混合搅拌反应后流入絮凝池进行絮凝，然后流入沉淀池；二、沉淀池出水经过滤后进入清水池，消毒后即完成利用超声强化高锰酸盐氧化污染物的水处理方法；其中步骤一中超声直接作用于混合池；步骤一中高锰酸钾和高锰酸钠的投量为7mg/L，硫酸亚铁与高锰酸钾和高锰酸钠的比例为1∶5，超声波功率密度为200W/cm2，超声作用时间为20s；步骤一中混凝剂为聚合氯化铁，投加率为2％(质量)。Specific Embodiment Thirty-Eight: In this embodiment, a water treatment method using ultrasonically enhanced permanganate to oxidize pollutants is carried out in the following steps: 1. The water to be treated enters the mixing tank, and high manganese is added under the action of ultrasonic waves at the same time Potassium acid, sodium permanganate, ferrous sulfate and polyferric chloride, after mixing and stirring, flow into the flocculation tank for flocculation, and then flow into the sedimentation tank; 2. The effluent from the sedimentation tank enters the clear water tank after being filtered, and the disinfection is completed using ultrasonic Strengthen the water treatment method of permanganate oxidation pollutants; wherein in step one, ultrasound directly acts on the mixing tank; in step one, the dosage of potassium permanganate and sodium permanganate is 7mg/L, ferrous sulfate and permanganate The ratio of potassium to sodium permanganate is 1:5, the ultrasonic power density is 200W/cm 2 , and the ultrasonic action time is 20s; in step 1, the coagulant is polyferric chloride, and the dosage rate is 2% (mass).
本实施方式中待处理的水为受有机污染的地下水；超声的发生器为槽式；采用平行声场。In this embodiment, the water to be treated is organically polluted groundwater; the ultrasonic generator is a trough type; and a parallel sound field is used.
本实施方式中超声强化高锰酸盐氧化处理污水，运行效果稳定，不会产生滤池堵塞，其清水池的出水清澈无异味，经检测，出水符合《生活饮用水卫生标准》。In this embodiment, the ultrasonic enhanced permanganate oxidation treatment of sewage has a stable operation effect and will not cause filter blockage. The effluent from the clean water pool is clear and has no peculiar smell. After testing, the effluent meets the "Drinking Water Hygienic Standard".
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