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    Home > Coatings News > Coating Technologies > 【Coating Society Information】Discussion on the pollution prevention and control methods of VOC produced in coatings!

    【Coating Society Information】Discussion on the pollution prevention and control methods of VOC produced in coatings!

    • Last Update: 2021-03-22
    • Source: Internet
    • Author: User
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    The production and toxicity of VOC VOC in modern production and life mainly refers to volatile organic compounds, which are mainly hydrocarbons.
    The production of such compounds is a very polluting chemical compound.

    Moreover, in the current production and life, VOC frequently appears in the production of coatings.
    Therefore, both in terms of quantity and pollution degree, VOC pollution is an urgent problem to be solved.

    Specifically, in the current paint production process, the production of paint is mainly the production of solvent-based paints, which are mainly used in the synthesis of benzene, toluene, xylene, butyl ester, gasoline, etc.

    Moreover, in the same production of amino resins, the main raw materials used in the production of this chemical compound are relatively volatile alcohols, benzenes, phthalic anhydride, pentaerythritol and other raw materials.

    In terms of the composition of these raw materials, the volatility of various raw materials is very large.

    When the production process is carried out, although it is carried out in a closed environment, there are also big loopholes in the man-made production environment, and there are many uncontrollable factors in the production process, resulting in the coating production process.
    The state of many volatile gases is a common problem.

    such.

    A large amount of volatile gases volatilize and accumulate in a large amount in the production environment, causing serious VOC pollution.

    Moreover, when the VOC in the production environment is discharged into the external environment, these polluting gases will be irradiated by the sun's rays, and the two will be oxidized, thereby producing ozone that pollutes the atmosphere seriously, leading to increased pollution.

    Eventually, the concentration of ozone in the atmosphere will increase, which will affect the normal growth of humans, animals and plants.

    As far as the current production situation is concerned, the VOC pollution produced by a large number of coatings in the production process is very serious.

    In order to create a beautiful and harmonious ecological and civilized environment, it is very necessary to continuously strengthen the control of VOC pollution, and actively propose corresponding pollution prevention and control measures based on the current pollution situation.

    VOC pollution in paint production The V0C pollution produced by paint is mainly in the process of paint production.
    At a fixed operating room temperature, if the VOC in paint production is subjected to a vapor pressure of 133.
    32Pa, volatile organics will be generated.
    .

    And in the process of paint production, at room temperature, V0C can also volatilize and accumulate in the air in a small amount, resulting in VOC pollution.

    At present, the production of VOC in paint production is mainly divided into aldehydes, alkenes, esters, alkanes, ketones, halocarbons, aromatic hydrocarbons and other different structural compounds.

    The existence of these VOC compounds with different structures is not a single structure in the air.
    In general, there are traces of individual structures, and different traces of structures collide with each other in the air, and further chemical reactions occur.
    , Produce more serious chemical pollution gas.

    However, if a large number of VOC structures accumulate in the atmosphere, personnel can feel it through their organs.
    This is because this polluting chemical has a very strong pungent odor, and the toxicity of this chemical is relatively high.
    Severe carcinogenic nature.

    At present, in the process of producing coatings, basically water-free coatings.
    Compared with water-containing coatings, the disadvantage of such coatings is that during the production process, benzene, toluene and xylene are generally produced.
    Hazardous volatile organic compounds, and if the human body is exposed for a long time, it will have many adverse effects on the body's immune function and the central nervous system.

    The prevention and control measures of VOC in the production of coatings have had many adverse effects on the natural atmosphere and the human body during the production of coatings.
    Therefore, in the process of mass production of coatings, it is necessary to continuously strengthen the prevention and control of VOC in the production of coatings.
    The practical role of
    Strengthening the management of the production site In the prevention and control of VOC pollution, the most fundamental thing is to continuously strengthen the management of the coating production site to reduce the possibility of pollution from the source.

    First of all, paint manufacturers should formulate systematic and rigorous pollution prevention and control management procedures.
    Based on the effective combination of their own paint production workflow and process use, combined with the overall VOC pollution prevention and control daily standards, they must formulate their own specific VOC pollution prevention and control goals.
    And on the basis of target prevention and control, it is necessary to formulate on-site management systems and management norms, and carry out specific VOC pollution prevention and control work on the basis of coordination and cooperation of top-level pollution prevention goals and detailed management norms.

    Secondly, in the VOC pollution site management work, it is necessary to continuously strengthen the specific responsibilities and prevention obligations of the on-site production management staff for pollution prevention and control, and formulate effective pollution prevention and control incentive strategies based on the performance of the production personnel's pollution prevention work.
    In addition, in the coating site VOC pollution prevention and control In the process of testing, it is necessary to do a good job of on-site management testing and evaluation on a regular basis, and use the information technology platform.

    Promptly announce the results of testing in pollution prevention and control work, and accept criticism and corrections from on-site management personnel.

    Finally, paint companies promote VOC pollution prevention and control work through on-site management.
    The technical level of on-site production managers plays an important role in laying the foundation for the effective implementation of pollution prevention and control.

    In this regard, it is necessary to continuously strengthen the pollution prevention and management level of the production management site personnel and the professional quality of pollution prevention and control, continuously improve the management awareness of the management personnel, and strictly follow the pollution prevention and control operating procedures to systematically and strictly conduct V0C Pollution prevention and control work.
    Managers should continuously improve the awareness of pollution prevention and safety management of VOC production managers from various production links such as workshops, positions, and other production and transportation, and enhance the thinking and concepts of pollution prevention staff, so as to improve VOC pollution prevention and control as a whole Effective on-site production management.

    Enhancing the improvement of process equipment In the process of VOC pollution prevention and control work, it is necessary to fully realize that VOC pollution prevention and control needs to be improved from the innovative application of production processes and production equipment.
    The implementation of this work is very necessary.

    Moreover, according to relevant investigations and studies, it is found that a large amount of VOC pollution generated in the current paint production is largely caused by backward production processes or low efficiency of production equipment.
    Therefore, both in reality and in theory, VOC pollution It is very necessary to prevent and improve the production process and production equipment. Specifically, in the process of improving the production process and production equipment, the original method of feeding materials for coating production must be changed first.
    Innovative feeding methods, and in improving the production process, the emergence of V0C pollution should be truly recognized, and The temperature changes in the production process are closely related, so in the process of VOC pollution prevention and control work, the temperature during the production and feeding process should be reduced to cut off the conditions for the production of volatile organic compounds.

    Secondly, it is necessary to actively apply intelligent operation to control the production of coatings.
    Under the premise of the establishment of various production data standards, intelligent operation should be carried out to reduce accidents caused by man-made production.

    Finally, actively apply advanced paint production equipment, choose to use less pollution production equipment, reduce the frequency of pollution generated by the equipment itself, and lay the foundation for the prevention and control of VOC pollution.

    Strengthen the research and development of new coating products.
    In the prevention and control of VOC pollution, it should be recognized that the root cause of VOC pollution is the production of a large number of coatings.
    Therefore, to fundamentally cut off VOC pollution, continuous innovation of coating production processes is required, such as active innovation and research and development of water The production process of sexual coatings strives to promote the development of low-carbon, green and environmentally friendly coatings in the production process.

    In this respect, foreign water-based coatings have the characteristics of low pollution, low emission and low odor, which are worthy of our reference.

    Conclusion To sum up, the prevention and control of VOC pollution in paint production plays an important role in protecting the atmospheric environment, ensuring the health of personnel production, and promoting the sustainable use of paint.
    In the prevention and control of VOC pollution, it is necessary to strengthen on-site management and strengthen The improvement of process equipment and the active research and development of new coating products and other aspects of manpower to reduce the pollution caused by VOC in the production of coatings.
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