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光氧催化设备工作中哪些技术是必须的?

来源:http://www.spormac.net/   发布时间:2018-09-17 15:59:25
光氧催化设备首要用作于食物、医药、化工、污水、废物、塑胶、喷涂、造纸、轮胎等出产环节蒸发或渗漏出有害废气的净化及臭味的消除。光化学及光催化氧化法是现在研讨较多的一项   氧化技能。所谓光催化反响,就是在光的效果下进行的化学反响。光化学反响需要分子吸收特定波长的电磁辐射,受激起生分子激起态,然后会发生化学反响生成新的物质,或许变成引发热反响的中心化学产品。光化学反响的活化能来源于光子的能量,在太阳能的使用中光电转化以及光化学转化一直是非常活泼的研讨领域。
Photocatalytic equipment is mainly used in food, medicine, chemical industry, sewage, waste, plastic, spraying, paper, tires and other production links evaporation or leakage of harmful waste gas purification and odor elimination. Photochemistry and photocatalytic oxidation are one of the most important oxidation techniques. The so-called photocatalytic reaction is the chemical reaction under the effect of light. Photochemical reactions require molecules to absorb specific wavelengths of electromagnetic radiation, stimulate the excited state of the molecule, and then generate new substances, perhaps becoming the central chemical product that triggers the thermal response. The activation energy of photochemical reaction comes from the energy of photons. Photoelectric conversion and photochemical conversion have been very active research fields in the use of solar energy.
光氧催化设备技能使用光激起氧化将O2、H2O2等氧化剂与光辐射相结合。所用光首要为紫外光,包含uv-H2O2、uv-O2等工艺,可以用于处理污水中CHCl3、CCl4、多氯联苯等难降解物质。另外,在有紫外光的Fenton系统中,紫外光与铁离子之间存在着协同效应,使H2O2分化发生羟基自由基的速率大大加速,促进有机物的氧化去除。
光氧催化设备
The photo oxygen catalytic equipment technology uses light to stimulate oxidation and combine O2, H2O2 and other oxidants with light radiation. Ultraviolet light, including UV-H2O2, UV-O2 and other processes, can be used to treat refractory substances such as CHCl3, CCl4, PCBs in sewage. In addition, in Fenton system with ultraviolet light, there is a synergistic effect between ultraviolet light and iron ions, which greatly accelerates the rate of hydroxyl radical formation in H2O2 differentiation and promotes the oxidation of organic matter.
大自然具有非常强壮的自我修正功用, 例如排放在大气中的废气物质,经过一段时间废气物质会渐渐被分化掉,其间   首要的进程是发生了光化学反响。废气物质经过吸收光子或其他粒子的能量,使得化学键开裂,构成游离态的原子,再经过一系列的氧化复原等反响,   终生成 H 2 O 和 CO 2 等简略物质。
Nature has very strong self-correcting functions, such as the emission of atmospheric waste gases, which over time will gradually be decomposed, during which the primary process is the photochemical response. After absorbing the energy of photons or other particles, the exhaust gas makes the chemical bonds crack and forms free atoms. After a series of reactions, such as oxidation and recovery, the exhaust gas eventually produces simple substances such as H 2O and CO 2.
经过长时间研讨发现,当化学物质经过吸收能量(如热能、光子能量等) ,可以使自身的化学性质变得   加活泼甚至被裂解。当吸收的能量大于化学键键能,即可使得化学键开裂,构成游离的带有能量的原子或基团。在波长规模154nm-184.9nm(1200KJ/mol-600KJ/mol)高能紫外线的效果下,一方面空气中的氧被裂解,然后组合发生臭氧;另一方面将污染物化学键开裂,使之构成游离态的原子或基团;一起发生的臭氧参加到反响进程中,使废气   终被裂解,氧化成简略的安稳的化合物,如CO2、H2O、N2等。
After a long period of research, it is found that when a chemical substance absorbs energy (such as thermal energy, photon energy, etc.), it can make its chemical properties more active and even be cracked. When the energy absorbed is greater than the bond energy, the chemical bond will crack, forming a free atom or group with energy. Under the effect of high energy ultraviolet radiation with wavelength range of 154nm-184.9nm (1200KJ/mol-600KJ/mol), on the one hand, the oxygen in the air is cracked and then combined to produce ozone; on the other hand, the chemical bonds of the pollutants are cracked to form free atoms or groups; the ozone occurring together participates in the reaction process and finally cracks the exhaust gas. Oxidized to simple and stable compounds, such as CO2, H2O, N2, etc.
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This article is supported by photocatalysis equipment. For more details, please click on our official website http://www.spormac.net. We will provide you with satisfactory service wholeheartedly.
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