WO2015196574A1 - 利用紫外光源诱发铜离子从铜体连续析出的方法 - Google Patents
利用紫外光源诱发铜离子从铜体连续析出的方法 Download PDFInfo
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- WO2015196574A1 WO2015196574A1 PCT/CN2014/086387 CN2014086387W WO2015196574A1 WO 2015196574 A1 WO2015196574 A1 WO 2015196574A1 CN 2014086387 W CN2014086387 W CN 2014086387W WO 2015196574 A1 WO2015196574 A1 WO 2015196574A1
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- Prior art keywords
- copper
- light source
- ultraviolet light
- water
- copper ions
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 39
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 38
- 239000010949 copper Substances 0.000 title claims abstract description 38
- 229910001431 copper ion Inorganic materials 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001556 precipitation Methods 0.000 title claims abstract description 15
- 230000001939 inductive effect Effects 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000002244 precipitate Substances 0.000 claims abstract description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000706 filtrate Substances 0.000 claims abstract description 4
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims abstract description 3
- 239000010453 quartz Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 13
- 238000005868 electrolysis reaction Methods 0.000 abstract description 4
- 230000001954 sterilising effect Effects 0.000 abstract description 3
- 239000000498 cooling water Substances 0.000 abstract description 2
- 238000002161 passivation Methods 0.000 abstract description 2
- 230000009182 swimming Effects 0.000 abstract description 2
- 238000002791 soaking Methods 0.000 abstract 2
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 4
- 238000006303 photolysis reaction Methods 0.000 description 3
- 230000015843 photosynthesis, light reaction Effects 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- JJLJMEJHUUYSSY-UHFFFAOYSA-L Copper hydroxide Chemical compound [OH-].[OH-].[Cu+2] JJLJMEJHUUYSSY-UHFFFAOYSA-L 0.000 description 2
- 239000005750 Copper hydroxide Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910001956 copper hydroxide Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
Classifications
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
- C02F1/505—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
-
- 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
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
- C02F2103/023—Water in cooling circuits
-
- 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
- C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools
-
- 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
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3221—Lamps suspended above a water surface or pipe
-
- 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
- C02F2201/32—Details relating to UV-irradiation devices
- C02F2201/322—Lamp arrangement
- C02F2201/3225—Lamps immersed in an open channel, containing the liquid to be treated
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
Definitions
- the invention relates to a method for inducing continuous precipitation of copper ions from a copper body by using an ultraviolet light source, and belongs to the technical field of ultraviolet photolysis copper.
- the precipitation of copper ions is performed by electrolysis, the anode and the cathode are inserted into the electrolyte, the voltage is applied, and the current is controlled for electrolysis.
- Electrolytic technology has certain disadvantages, such as passivation on the surface of the electrode, and the need to introduce a new solution if necessary, which may produce more contaminants, and the electrolysis technique is usually applied to the surface coating, and the precipitation of copper ions is a kind. The state of "out of the box".
- Another common method of water disinfection is UV disinfection.
- ultraviolet light with a wavelength of 185 nm mainly converts oxygen in the air into ozone for disinfection.
- Ultraviolet light with a wavelength of 254 nm mainly changes bacteria.
- the DNA structure prevents bacteria from growing and breeding offspring.
- the ultraviolet disinfection process the human body is away from the disinfection site, because the disinfection time is long, and the economical and practicality is not high.
- the invention provides a method for inducing continuous precipitation of copper ions from a copper body by using an ultraviolet light source, which is simple and effective, and the copper ions are continuously precipitated and widely used.
- a method for inducing continuous precipitation of copper ions from a copper body by using an ultraviolet light source is achieved by the following steps:
- the ultraviolet light source is turned on to continuously irradiate the water body, and a large amount of white precipitate appears in the water;
- the water body in the step (1) is a water body having an electric conductivity of 100 to 500 ⁇ s/cm.
- the copper body immersed in the water body in the step (1) needs to be immersed 10-30 mm from the water surface.
- the ultraviolet light source in the step (2) is one of wavelengths of 185 nm and 254 nm.
- the ultraviolet light source is installed outside the water body or immersed in the water body.
- the ultraviolet light source is installed outside the water body at a distance of 10-20 mm from the water surface.
- the ultraviolet light source is immersed in the water body, and the ultraviolet light source is placed in the quartz tube, and one end is sealed.
- the ultraviolet light source irradiates the water body for at least 18 hours.
- the invention has the beneficial effects that the invention is a novel ultraviolet photolysis copper technology, which is simple and effective, and copper ions are continuously deposited, and the precipitation concentration is high, and can be widely applied, especially in the field of water sterilization. It can be applied to a variety of sterilization sites.
- the 0.4 mm diameter copper wire with a total irradiation area of about 10 cm 2 was evenly distributed in a 90 cm diameter container, immersed in 1 cm deep water, two 8 watt ultraviolet lamps, the ultraviolet lamp having a wavelength of 254 nm, and being 1 cm from the water surface ( The lamp is exposed to the nearest part of the water surface for 18 hours. As a result, a large amount of copper hydroxide white precipitate appeared in the water.
- the copper ion concentration of the filtrate was 0.96 mg/L; two drops of hydrochloric acid were dropped into the unfiltered stock solution, and the white precipitate was dissolved to analyze the copper ion concentration, 24.98 Mg/L.
- UV lamp Place an 8 watt UV lamp and copper body in a 20 liter container, slice the copper body, and the UV lamp is 185 nm.
- the UV lamp is placed in a quartz tube, the quartz tube is sealed at one end, and the quartz tube is placed in the water.
- the pump is used to circulate the water to ensure that the copper ions generated on the surface of the copper body do not accumulate to form copper hydroxide. After 4 days, 0.25 ppm of copper ions were detected in the water.
- copper ions are continuously precipitated from the copper body by ultraviolet irradiation, and are continuously precipitated with copper ions for 18 hours or 4 days.
Abstract
本发明公开了一种利用紫外光源诱发铜离子从铜体连续析出的方法，是通过以下的步骤实现的：（1）将铜体切丝或者切片后浸没于盛水的容器中，开启搅拌器不断搅拌水体并保持所述铜体一直被水体浸没；（2）开启紫外光源对水体进行连续不断的照射，水中出现大量白色沉淀；（3）过滤，检测滤液中具有一定浓度的铜离子，在未过滤的原溶液中滴入盐酸，白色沉淀溶解，检测具有铜离子。本发明采用紫外光源照射，使铜体连续不断的析出铜离子，相对于电解铜更加简单和有效，不存在钝化现象，本发明可以延伸应用于泳池、景观水和冷却水等水体的铜离子杀菌。
Description
本发明涉及一种利用紫外光源诱发铜离子从铜体连续析出的方法，属于紫外线光解铜技术领域。
游泳池水、景观水和冷却水等一类水体需要经常进行消毒处理，其中铜离子消毒是一种比较通用的方法。在现有用于消毒的铜离子发生器中，铜离子的析出都是采用电解，将阴阳两极插入电解液，加电压，控制电流进行电解。电解技术具有一定的缺点，如电极表面会出现钝化，必要时还需要再引入新的溶液，可能会产生更多的污染物，而且电解技术通常应用于表面镀层，铜离子的析出是一种“即制即用”的状态。还有一种常用的水体消毒方式是紫外线消毒，不同波段的紫外线具有不同的消毒效果，如波长为185nm的紫外线主要是将空气中的氧气转化成臭氧进行消毒，波长为254nm的紫外线主要是改变细菌的DNA结构使细菌不能生长和繁殖后代。在紫外线消毒过程中，人体是要远离消毒现场，由于消毒时间很长，经济实用性不高。
发明人在经过长期的研究发现，紫外线在连续照射铜体后，能够持续产生铜离子，并且铜离子的浓度较高，是一种实用性高、应用性广泛的消毒方法，而这种采用紫外线光解铜的技术，在现有的专利中未见报道。
本发明提供一种利用紫外光源诱发铜离子从铜体连续析出的方法，简单、有效，铜离子不断析出，应用广泛。
本发明是通过以下的技术方案实现的：
一种利用紫外光源诱发铜离子从铜体连续析出的方法，是通过以下的步骤实现的：
（1）将铜体切丝或者切片后浸没于盛水的容器中，开启搅拌器不断搅拌水体并保持所述铜体一直被水体浸没；
（2）开启紫外光源对水体进行连续不断的照射，水中出现大量白色沉淀；
（3）过滤，检测滤液中具有一定浓度的铜离子，在未过滤的原溶液中滴入盐酸，白色沉淀溶解，检测具有铜离子。
所述步骤（1）中的水体为电导率为100～500μs/cm的水体。
所述步骤（1）中被浸没在水体中的铜体需要浸没在距离水面10-30mm处。
所述步骤（2）中的紫外光源为波长为185nm和254nm中的一种。
所述步骤（2）中紫外光源安装在水体外部或浸没在水体中。
所述步骤（2）中紫外光源安装在水体外部，距离水面10-20mm处。
所述步骤（2）中紫外光源浸没在水体中，将紫外光源放入石英管中，一端密封。
所述步骤（2）中紫外光源照射水体时间最少为18h。
本发明中铜离子从铜体析出进入水体的原理：
1.
铜体表面有一层氧化层，光子攻击铜体表面会导致氧化层中的电子在能带中跳跃，由价电带进入导电带。由于氧化层外部是水，光子会导致金属表面这个电子开路的势能发生变化：形成负的光电压。这时，电子会流向铜，铜离子析出。
2.
铜体表面有微小瑕疵，这些微小瑕疵和铜体构成微小自发电池，会导致铜体表面被腐蚀，从而被氧化，铜离子析出，光子会加速上述过程。
3.
在光照面，由于上述的两种光化学反应，铜体表面会发生变化，导致光照面和非光照面的电化学性质不同，即光照面电极电位上升。电子会从非光照面流向光照面，铜离子从非光照面析出。
本发明的有益效果为：本发明是一种新的紫外线光解铜的技术，简单、有效，同时铜离子是连续不断析出的，析出浓度较高，能够进行广泛的应用，尤其在水体杀菌领域中，可以应用于多种杀菌现场。
以下结合实施例，对本发明做进一步说明。
实施例1
将总被照射面积为约10cm2的0.4mm直径的铜线均匀分布于90cm直径的容器中，浸于1cm深的水中，两个8瓦紫外线灯，紫外灯波长为254nm，在距水面1cm（灯离水面最近部位）照射18h。结果，水中出现大量氢氧化铜白色沉淀物，首先，过滤后，滤液的铜离子浓度是0.96mg/L；未过滤的原液内滴入两滴盐酸，白色沉淀物溶解，分析铜离子浓度，24.98mg/L。
实施例2
在20升容器中放置一支8瓦紫外线灯和铜体，铜体切片，紫外灯为185nm ，
紫外线灯是被放在一个石英管中,石英管一端封口,然后将石英管放入水中。用泵使水体循环保证铜体表面发生的铜离子不积累形成氢氧化铜。4天后在水中检测出0.25ppm的铜离子。
由上述实施例可以看出，通过紫外线照射，铜离子是连续不断从铜体中析出的，18h或者4天，都是具有铜离子的连续析出。
以上显示和描述了本发明的基本原理、主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等同物界定。
Claims (8)
- 一种利用紫外光源诱发铜离子从铜体连续析出的方法，其特征在于是通过以下的步骤实现的：（1）将铜体切丝或者切片后浸没于盛水的容器中，开启搅拌器不断搅拌水体并保持所述铜体一直被水体浸没；（2）开启紫外光源对水体进行连续不断的照射，水中出现大量白色沉淀；（3）过滤，检测滤液中具有一定浓度的铜离子，在未过滤的原溶液中滴入盐酸，白色沉淀溶解，检测具有铜离子。
- 如权利要求1所述的利用紫外光源诱发铜离子从铜体连续析出的方法，其特征在于所述步骤（1）中的水体为电导率为100～500μs/cm的水体。
- 如权利要求1所述的利用紫外光源诱发铜离子从铜体连续析出的方法，其特征在于所述步骤（1）中被浸没在水体中的铜体需要浸没在距离水面10-30mm处。
- 如权利要求1所述的利用紫外光源诱发铜离子从铜体连续析出的方法，其特征在于所述步骤（2）中的紫外光源为波长为185nm和254nm中的一种。
- 如权利要求1所述的利用紫外光源诱发铜离子从铜体连续析出的方法，其特征在于所述步骤（2）中紫外光源安装在水体外部或浸没在水体中。
- 如权利要求5所述的利用紫外光源诱发铜离子从铜体连续析出的方法，其特征在于所述步骤（2）中紫外光源安装在水体外部，距离水面10-20mm处。
- 如权利要求5所述的利用紫外光源诱发铜离子从铜体连续析出的方法，其特征在于所述步骤（2）中紫外光源浸没在水体中，将紫外光源放入石英管中，一端密封。
- 如权利要求1所述的利用紫外光源诱发铜离子从铜体连续析出的方法，其特征在于所述步骤（2）中紫外光源照射水体时间最少为18h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15/365,975 US9796606B2 (en) | 2014-06-27 | 2016-12-01 | Method for inducing continuous separation of copper ions from copper using UV-light source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410301650.XA CN104071879B (zh) | 2014-06-27 | 2014-06-27 | 利用紫外光源诱发铜离子从铜体连续析出的方法 |
| CN201410301650.X | 2014-06-27 |
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| US15/365,975 Continuation US9796606B2 (en) | 2014-06-27 | 2016-12-01 | Method for inducing continuous separation of copper ions from copper using UV-light source |
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| US (1) | US9796606B2 (zh) |
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| CN106111158B (zh) * | 2016-06-22 | 2018-10-16 | 深圳市水务科技有限公司 | 改良光催化剂活性的方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4752401A (en) * | 1986-02-20 | 1988-06-21 | Safe Water Systems International, Inc. | Water treatment system for swimming pools and potable water |
| CN1321612A (zh) * | 2000-05-02 | 2001-11-14 | 日本科技股份有限公司 | 消毒用振动搅拌装置、消毒装置和消毒方法 |
| CN2526392Y (zh) * | 2001-01-12 | 2002-12-18 | 中国科学院化学研究所 | 具有自净化水功能的游泳池 |
| CN101883738A (zh) * | 2007-12-04 | 2010-11-10 | 比尔吉尔·尼尔森 | 压载水处理的装置和方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4079795B2 (ja) * | 2003-02-17 | 2008-04-23 | 株式会社東芝 | 水処理制御システム |
| DE202008017944U1 (de) * | 2008-09-19 | 2010-12-16 | Sol-Uv Technologie & Entwicklungs-Gmbh | Anlage zur chemischen und physikalischen Aufbereitung von Wasser mittels UV-Strahlung |
| CN101798136B (zh) * | 2010-04-26 | 2012-05-30 | 哈尔滨工业大学 | 去除水中有机污染物的方法 |
| FR2969140B1 (fr) * | 2010-12-16 | 2015-05-15 | Arkema France | Procede et appareillage pour la desinfection de l'eau |
| CN103224303A (zh) * | 2013-04-11 | 2013-07-31 | 东莞道汇环保科技有限公司 | 化学镀铜废液的处理方法 |
-
2014
- 2014-06-27 CN CN201410301650.XA patent/CN104071879B/zh active Active
- 2014-09-12 WO PCT/CN2014/086387 patent/WO2015196574A1/zh active Application Filing
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2016
- 2016-12-01 US US15/365,975 patent/US9796606B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4752401A (en) * | 1986-02-20 | 1988-06-21 | Safe Water Systems International, Inc. | Water treatment system for swimming pools and potable water |
| CN1321612A (zh) * | 2000-05-02 | 2001-11-14 | 日本科技股份有限公司 | 消毒用振动搅拌装置、消毒装置和消毒方法 |
| CN2526392Y (zh) * | 2001-01-12 | 2002-12-18 | 中国科学院化学研究所 | 具有自净化水功能的游泳池 |
| CN101883738A (zh) * | 2007-12-04 | 2010-11-10 | 比尔吉尔·尼尔森 | 压载水处理的装置和方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20170081213A1 (en) | 2017-03-23 |
| CN104071879A (zh) | 2014-10-01 |
| US9796606B2 (en) | 2017-10-24 |
| CN104071879B (zh) | 2016-02-24 |
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