Harm of sheet pollution and preventive measures and improvement measures
2019-08-15 05:02:47
1 green products and green plates
Nowadays, there is a fashionable trend. When you buy food and utensils, you must first ask about toxic and non-toxic. Green products are fashionable products that people are now pursuing.
Green products refer to products that are environmentally friendly and harmless to the human body, while green plates are products that are not harmful to human health during the production and use of the plates. The concept of green plates was proposed earlier in Western countries, and related industries developed rapidly. The United States is the country that proposed the environmental label earlier. Currently, the US Environmental Protection Agency (EPA) is developing a research program for air quality control in residential buildings. The government also attaches great importance to the development of green plates. In 1998, it began work on environmental labeling, called eco-labeling. In the green plate field, the early start, rapid development, and highest level of technology are in European countries such as Germany, known as the blue angel. As China is a developing country, considering the economic development and the affordability of enterprises, the relevant policies have been delayed and started late. China officially established the Environmental Labeling Certification Committee on May 17, 1994. In 1999, the artificial wood board standard, SJBE-1999, was issued. The environmental labeling certification for wood boards was carried out, and the green board was really valued. In the ZI century, with the development of society, the advancement of technology, and the enhancement of people's awareness of environmental protection, the wood products industry must improve the greenness of wood-based panels in order to survive and develop. What is the current status of the sheet industry?
2 Main pollution hazards of the board:
The currently used plates, whether plywood, particleboard or MDF, mostly use chemical adhesives with certain toxicity, such as urethane glue, phenolic glue, melamine glue, etc. It is cheap and good and the most common. The use of these types of rubber-pressed plates generally has a problem of polluting the environment due to formaldehyde emission. Due to the wide range of use of several types of plates, it involves interior and exterior decoration, furniture manufacturing, car and boat villages, etc., which are related to all aspects of people's lives. Therefore, the pollution hazards that occur are also widely exposed, which has attracted much attention.
So what is the main harmful substance of pollution? For the three plates, it is formaldehyde. Formaldehyde is a toxic chemical organic substance. It is a colorless gas at normal temperature. It has a special odor and can irritate the eyes and respiratory tract. Intense poisoning can make people feel unconscious and stay in the air with high formaldehyde concentration for a long time. May cause serious illness. The common symptoms are headache, nausea, dizziness, redness and tears in the eyes, etc.; the newly renovated home can not live for a long time, or various skin diseases appear after living, causing respiratory disorders, and even lead to diseases such as leukemia and cancer, greatly Threat to human health! These formaldehydes that are harmful to human health come from the three-plate materials used. With the prolongation of use time and the alternating use environment, organic substances such as wood, resin, etc. are decomposed, resulting in the continuous escape of organic molecules, which contain a large amount of harmful substances such as formaldehyde. These substances are volatilized into the space environment. If they cannot be taken away by the flowing air in time, they will accumulate a certain concentration, which will damage human health. This is the main hazard of sheet pollution.
At present, residents are increasingly investing in housing and decoration, but the pollution problems that come with it are also in front of them. People enjoy the beauty of the decoration while paying a healthy price for beauty!
So how can we enjoy life and prevent pollution, thus protecting the body?
3 Methods and improvement measures for plate pollution prevention
In view of the current sources and pathways of formaldehyde pollution, the following aspects:
1) The use of a large number of toxic and harmful substances, such as a large amount of formaldehyde, phenol, etc., so that a large number of pollution sources increase directly lead to a large amount of harmful substances.
2) Pollution to the ambient atmosphere: The dusty gas generated in the production process and the waste residue in the waste water contain harmful substances such as formaldehyde and other organic substances, which cause pollution to the production environment.
3) During the subsequent use of the product, the formaldehyde-containing organic adhesive used in the sheet is decomposed, causing some harmful substances to escape and polluting the living environment, which is the most difficult to overcome. v For the above reasons, how to prevent or eliminate the occurrence of such pollution?
1) The use of non-toxic and harmless substances to manufacture products, such as non-adhesive sheets, but there are still some technical defects, can not be mass-produced, and then the use of absolutely free of formaldehyde-free isocyanate sheet, but the cost is expensive, At present, China's consumption level is still difficult to accept.
(2) Minimize the pollution reduction of toxic substances in the manufacture of products. At present, more use is to effectively control the free formaldehyde in the cheap urethane glue used, and reduce the amount of formaldehyde to directly reduce the unreacted in the adhesive. The volatilization of formaldehyde, or the addition of an additive that can digest and absorb harmful gases such as formaldehyde during the production process, thereby minimizing the emission of free formaldehyde in the product.
(3) The pollution of the product to the atmospheric environment requires advanced production processes and equipment to be controlled at all stages of the production process, and closed circulation treatment is carried out to make the generated waste water, waste gas, waste residue, etc., harmlessly treated. Adequate disinfection, filtration, absorption, purification, dust removal and other processes allow the discharged material to be discharged into the environment in a clean state.
(4) The popular treatment of the product is to carry out post-processing of the product, such as the MDF ammonia treatment box introduced by Fuzhou Artificial Panel Factory, spraying the deodorant on the surface of the substrate, or performing sufficient decorative sealing repair on the substrate. Although such methods have good effects, there are problems of increased cost and low work efficiency, so the most fundamental solution lies in the first and second aspects.
(5) Adopt the most effective policy to guide measures combined with economic technology.
Before 2001, China also made quality standards for the formaldehyde emission index of particleboard and other plate products, such as Class A of class A (100mg/100g, second class of <500mg/100g, compared with the international advanced level of Europe). The standard EN120EI<8mg/100g is relatively close, but in the domestic market, the indicator can pass the Class A first-class products but less than 20%. Only a few products with advanced equipment and technology can have this product. Strength and level. The hazards of formaldehyde are so obvious, so why do people have to produce them in large quantities? This involves a policy-oriented, market access and economic benefits: efficiency is the company's preferred goal. Because it produces m-grade plates that meet environmental protection standards, the cost is high, the process is complicated, and it is affected by the low price of the sub-charged fake E1 board on the market. Coupled with the lag of consumer awareness, product prices can not be sold, the benefits will naturally be greatly reduced.
Since the second half of 2001, mass consumers have gradually realized the importance of green products and began to gradually recognize that the country has gradually introduced corresponding policies to support green plates. It was promulgated on December 10, 2001. The mandatory standard for the emission of formaldehyde in the plate is strictly in accordance with the requirements of the European standard EN120EI for production and product testing. It was officially implemented on January 1, 200, which is good for cracking down on the low- and low-standard products and protecting the green plates that meet the national standard. The role.
4 is both a challenge and an opportunity
With the continuous improvement of people's living standards, the requirements for health will become more and more urgent. Coupled with the government's mandatory measures and market consumption orientation, the implementation of green sheet strategy in the wood-based panel industry is an important direction for future development, especially After joining the WTO, foreign plates will come in to seize the market in China. Without green, there will be no development of wood-based panel industry. In order to cope with the WTO and expand market opportunities, many sheet companies have applied for the international environmental certification “environmental markâ€. The “green plate†strategy of Shandong Shouguang Wood-based Panel Factory has been at the forefront of the same industry. Since the second half of 2000, the first research on green sheet has been started, and a number of research experiments have been carried out in cooperation with a number of institutions of higher learning. Work, in April 2001, passed the production test in one time, and passed the test of the National Wood-based Panel Quality Inspection Center, reaching the national best level of 6-7mg/100g, and passed the appraisal in May and passed the national standard in November. The on-site review of the State Environmental Protection Administration and the National Environmental Labeling Certification Committee, which was certified in January 2002, became the first in the particleboard industry to receive this certification. By implementing green products, enterprises are not only a challenge but also a starting point for great development. To enter the 21st century, people will become more and more prosperous and use green plates to provide practical guarantees for personal health.
Nowadays, there is a fashionable trend. When you buy food and utensils, you must first ask about toxic and non-toxic. Green products are fashionable products that people are now pursuing.
Green products refer to products that are environmentally friendly and harmless to the human body, while green plates are products that are not harmful to human health during the production and use of the plates. The concept of green plates was proposed earlier in Western countries, and related industries developed rapidly. The United States is the country that proposed the environmental label earlier. Currently, the US Environmental Protection Agency (EPA) is developing a research program for air quality control in residential buildings. The government also attaches great importance to the development of green plates. In 1998, it began work on environmental labeling, called eco-labeling. In the green plate field, the early start, rapid development, and highest level of technology are in European countries such as Germany, known as the blue angel. As China is a developing country, considering the economic development and the affordability of enterprises, the relevant policies have been delayed and started late. China officially established the Environmental Labeling Certification Committee on May 17, 1994. In 1999, the artificial wood board standard, SJBE-1999, was issued. The environmental labeling certification for wood boards was carried out, and the green board was really valued. In the ZI century, with the development of society, the advancement of technology, and the enhancement of people's awareness of environmental protection, the wood products industry must improve the greenness of wood-based panels in order to survive and develop. What is the current status of the sheet industry?
2 Main pollution hazards of the board:
The currently used plates, whether plywood, particleboard or MDF, mostly use chemical adhesives with certain toxicity, such as urethane glue, phenolic glue, melamine glue, etc. It is cheap and good and the most common. The use of these types of rubber-pressed plates generally has a problem of polluting the environment due to formaldehyde emission. Due to the wide range of use of several types of plates, it involves interior and exterior decoration, furniture manufacturing, car and boat villages, etc., which are related to all aspects of people's lives. Therefore, the pollution hazards that occur are also widely exposed, which has attracted much attention.
So what is the main harmful substance of pollution? For the three plates, it is formaldehyde. Formaldehyde is a toxic chemical organic substance. It is a colorless gas at normal temperature. It has a special odor and can irritate the eyes and respiratory tract. Intense poisoning can make people feel unconscious and stay in the air with high formaldehyde concentration for a long time. May cause serious illness. The common symptoms are headache, nausea, dizziness, redness and tears in the eyes, etc.; the newly renovated home can not live for a long time, or various skin diseases appear after living, causing respiratory disorders, and even lead to diseases such as leukemia and cancer, greatly Threat to human health! These formaldehydes that are harmful to human health come from the three-plate materials used. With the prolongation of use time and the alternating use environment, organic substances such as wood, resin, etc. are decomposed, resulting in the continuous escape of organic molecules, which contain a large amount of harmful substances such as formaldehyde. These substances are volatilized into the space environment. If they cannot be taken away by the flowing air in time, they will accumulate a certain concentration, which will damage human health. This is the main hazard of sheet pollution.
At present, residents are increasingly investing in housing and decoration, but the pollution problems that come with it are also in front of them. People enjoy the beauty of the decoration while paying a healthy price for beauty!
So how can we enjoy life and prevent pollution, thus protecting the body?
3 Methods and improvement measures for plate pollution prevention
In view of the current sources and pathways of formaldehyde pollution, the following aspects:
1) The use of a large number of toxic and harmful substances, such as a large amount of formaldehyde, phenol, etc., so that a large number of pollution sources increase directly lead to a large amount of harmful substances.
2) Pollution to the ambient atmosphere: The dusty gas generated in the production process and the waste residue in the waste water contain harmful substances such as formaldehyde and other organic substances, which cause pollution to the production environment.
3) During the subsequent use of the product, the formaldehyde-containing organic adhesive used in the sheet is decomposed, causing some harmful substances to escape and polluting the living environment, which is the most difficult to overcome. v For the above reasons, how to prevent or eliminate the occurrence of such pollution?
1) The use of non-toxic and harmless substances to manufacture products, such as non-adhesive sheets, but there are still some technical defects, can not be mass-produced, and then the use of absolutely free of formaldehyde-free isocyanate sheet, but the cost is expensive, At present, China's consumption level is still difficult to accept.
(2) Minimize the pollution reduction of toxic substances in the manufacture of products. At present, more use is to effectively control the free formaldehyde in the cheap urethane glue used, and reduce the amount of formaldehyde to directly reduce the unreacted in the adhesive. The volatilization of formaldehyde, or the addition of an additive that can digest and absorb harmful gases such as formaldehyde during the production process, thereby minimizing the emission of free formaldehyde in the product.
(3) The pollution of the product to the atmospheric environment requires advanced production processes and equipment to be controlled at all stages of the production process, and closed circulation treatment is carried out to make the generated waste water, waste gas, waste residue, etc., harmlessly treated. Adequate disinfection, filtration, absorption, purification, dust removal and other processes allow the discharged material to be discharged into the environment in a clean state.
(4) The popular treatment of the product is to carry out post-processing of the product, such as the MDF ammonia treatment box introduced by Fuzhou Artificial Panel Factory, spraying the deodorant on the surface of the substrate, or performing sufficient decorative sealing repair on the substrate. Although such methods have good effects, there are problems of increased cost and low work efficiency, so the most fundamental solution lies in the first and second aspects.
(5) Adopt the most effective policy to guide measures combined with economic technology.
Before 2001, China also made quality standards for the formaldehyde emission index of particleboard and other plate products, such as Class A of class A (100mg/100g, second class of <500mg/100g, compared with the international advanced level of Europe). The standard EN120EI<8mg/100g is relatively close, but in the domestic market, the indicator can pass the Class A first-class products but less than 20%. Only a few products with advanced equipment and technology can have this product. Strength and level. The hazards of formaldehyde are so obvious, so why do people have to produce them in large quantities? This involves a policy-oriented, market access and economic benefits: efficiency is the company's preferred goal. Because it produces m-grade plates that meet environmental protection standards, the cost is high, the process is complicated, and it is affected by the low price of the sub-charged fake E1 board on the market. Coupled with the lag of consumer awareness, product prices can not be sold, the benefits will naturally be greatly reduced.
Since the second half of 2001, mass consumers have gradually realized the importance of green products and began to gradually recognize that the country has gradually introduced corresponding policies to support green plates. It was promulgated on December 10, 2001. The mandatory standard for the emission of formaldehyde in the plate is strictly in accordance with the requirements of the European standard EN120EI for production and product testing. It was officially implemented on January 1, 200, which is good for cracking down on the low- and low-standard products and protecting the green plates that meet the national standard. The role.
4 is both a challenge and an opportunity
With the continuous improvement of people's living standards, the requirements for health will become more and more urgent. Coupled with the government's mandatory measures and market consumption orientation, the implementation of green sheet strategy in the wood-based panel industry is an important direction for future development, especially After joining the WTO, foreign plates will come in to seize the market in China. Without green, there will be no development of wood-based panel industry. In order to cope with the WTO and expand market opportunities, many sheet companies have applied for the international environmental certification “environmental markâ€. The “green plate†strategy of Shandong Shouguang Wood-based Panel Factory has been at the forefront of the same industry. Since the second half of 2000, the first research on green sheet has been started, and a number of research experiments have been carried out in cooperation with a number of institutions of higher learning. Work, in April 2001, passed the production test in one time, and passed the test of the National Wood-based Panel Quality Inspection Center, reaching the national best level of 6-7mg/100g, and passed the appraisal in May and passed the national standard in November. The on-site review of the State Environmental Protection Administration and the National Environmental Labeling Certification Committee, which was certified in January 2002, became the first in the particleboard industry to receive this certification. By implementing green products, enterprises are not only a challenge but also a starting point for great development. To enter the 21st century, people will become more and more prosperous and use green plates to provide practical guarantees for personal health.
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