The second is pollution. As an organic solvent, steam and kerosene are inherently toxic. In the printing shop, when the workers wash the ink roller, blanket or machine, because of the large volatility of gasoline, even if the ventilation in the workshop is good, the workers will inhale a certain amount of oil and gas more or less; at the same time, the workers During the cleaning operation, the hands or other parts of the body will inevitably come into contact with steam and kerosene; the inhaled gasoline oil and gas and the exposed steam and kerosene will cause some damage to the human body, and the short-term contact problem will not be too great, but if Long-term exposure will cause varying degrees of damage to workers' health. These pollutions come from steam and kerosene itself. At the same time, harmful substances such as ink are dissolved in steam and kerosene, which can also cause considerable harm to the human body and the surrounding environment. The relevant contents will be explained in the following paragraphs.
The car wash water is a cleaning agent specially used for cleaning inks. The quality of the car wash water is better than that of steam and kerosene in cleaning effect, safety performance, and the harm to the human body and the environment is small, but the price is relatively high. Although car wash water is safe and less polluting than steam and kerosene, it does not mean that "car wash water" is perfect. First of all, although most of the qualified car wash waters have a flash point above 40 degrees and the highest ones are around 200 degrees, it is still flammable. If the operation process is improper, there is still the possibility of explosion. Secondly, although the car wash water itself produces less pollution to the human body and the surrounding environment than steam and kerosene, it does not mean that he does not have pollution; like steam and kerosene, ink and other substances dissolved in “car wash water†Harm to the human body and the surrounding environment is absolutely not negligible.
Here, probably talk about the process of environmental protection ink. For the harmful substances contained in the ink, the following improvements have been made in the past 40 years:
1974: Removed lead in ink pigments;
In the late 1970s: the removal of cellosolve (ethyl glycol);
In the early 1980s: Removed toluene from food packaging instructions;
In the late 1980s: the related benzidine yellow pigment was removed;
In the early 1990s: the use of phthalic acid plasticizers was reduced.
Since the beginning of the 21st century, in the world-wide wave of environmental protection, soybean ink and flaxseed ink have become popular among the industry due to the limitation of volatile organic emissions and their environmental adaptability. The latter two have gradually replaced the trend of mineral ink. . In addition, almost all ink manufacturers in Japan have begun using ink solvents to remove aromatic (1% or less) AF solvents. For the ink industry, how to deal with environmental issues such as the recovery of volatile organic compounds (VOC), polycyclic aromatic solvents (PCA), heavy metals, industrial waste, and other resources (such as recycled paper) and combustion (dioxin) It has become an important research topic. However, most printing companies in China are not using the latest environmental inks such as soy inks and flaxseed inks due to restrictions on price and other factors. The inks that are being used are commonly found in the environmental aspects of the recovery of volatile organic compounds (VOC), polycyclic aromatic solvents (PCA), heavy metals, industrial waste, and other resources (such as recycled paper) and combustion (dioxin). Big problem.
From this point of view, at present, China's printing companies in the selection and processing of ink cleaning agents (whether it is steam, kerosene or car wash water) there is a big environmental problem; on the one hand is the safety and pollution of the cleaning agent itself, on the other hand It is a problem of contamination of toxic substances such as ink dissolved in cleaning agents.
Faced with the pollution problems caused by the use of ink cleaning agents, we should learn from the experience of developed countries in foreign countries and work hard to select and handle ink cleaning agents. In Europe, America, Japan, and other developed countries, due to their high environmental protection requirements, all printing companies have to strictly comply with relevant environmental laws and regulations in the selection and disposal of ink cleaning agents. Otherwise, it is a huge fine for them to wait. And revoked licenses, severe punishment will face jail. At present, printing companies in Europe, America, Japan, and other developed countries no longer use steam and kerosene as ink cleaners. They choose car wash water whose quality meets international or national environmental standards. Second, they will not be printed like ours. Like businesses, car washes that have washed blankets, rollers, or toxic substances such as ink behind the machine are poured into sewers or anywhere convenient. Instead, dirty car wash water is collected and sent to a dedicated processing center or The company recycles itself so that it basically prevents the pollution of the car wash water to the environment; at the same time, it will not only increase the production cost of the company, but it will bring considerable economic benefits to the company.
Economic Benefits - The principle of car wash water recycling is to regenerate the dirty car wash water into clean car wash water (its theoretical recovery rate is above 95%, the actual recovery rate is above 85%), and it can be recycled repeatedly for an unlimited number of times. Not only does it prevent the car wash water from polluting the environment, but it also saves more than 85% of the car wash water, which means that it saves more than 85% of the relevant production cost; at the same time, it can separate the ink and other toxic substances in the car wash water into solid form for separate treatment. Avoid environmental pollution.
So far, there have been at least two printing companies in Beijing (Beijing University Printing Factory and Beijing Lianxing Shengye Printing Co., Ltd.) using relevant processing equipment to recycle the used car wash water; and the economic benefits are very significant. Take Beijing Lianxing Shengye Printing Co., Ltd. as an example. After using FORMECO's recycling equipment, the purchase of car wash water from the previous 60-plus buckets per month to less than 20-barrels now reduces the cost for the company. We hope that in the near future, our printing companies can join this ranks for the sake of protecting their humanity's green homes, whether for the sake of their own interests or for the protection of the Earth's environment on which humanity depends. An obligation.
The car wash water is a cleaning agent specially used for cleaning inks. The quality of the car wash water is better than that of steam and kerosene in cleaning effect, safety performance, and the harm to the human body and the environment is small, but the price is relatively high. Although car wash water is safe and less polluting than steam and kerosene, it does not mean that "car wash water" is perfect. First of all, although most of the qualified car wash waters have a flash point above 40 degrees and the highest ones are around 200 degrees, it is still flammable. If the operation process is improper, there is still the possibility of explosion. Secondly, although the car wash water itself produces less pollution to the human body and the surrounding environment than steam and kerosene, it does not mean that he does not have pollution; like steam and kerosene, ink and other substances dissolved in “car wash water†Harm to the human body and the surrounding environment is absolutely not negligible.
Here, probably talk about the process of environmental protection ink. For the harmful substances contained in the ink, the following improvements have been made in the past 40 years:
1974: Removed lead in ink pigments;
In the late 1970s: the removal of cellosolve (ethyl glycol);
In the early 1980s: Removed toluene from food packaging instructions;
In the late 1980s: the related benzidine yellow pigment was removed;
In the early 1990s: the use of phthalic acid plasticizers was reduced.
Since the beginning of the 21st century, in the world-wide wave of environmental protection, soybean ink and flaxseed ink have become popular among the industry due to the limitation of volatile organic emissions and their environmental adaptability. The latter two have gradually replaced the trend of mineral ink. . In addition, almost all ink manufacturers in Japan have begun using ink solvents to remove aromatic (1% or less) AF solvents. For the ink industry, how to deal with environmental issues such as the recovery of volatile organic compounds (VOC), polycyclic aromatic solvents (PCA), heavy metals, industrial waste, and other resources (such as recycled paper) and combustion (dioxin) It has become an important research topic. However, most printing companies in China are not using the latest environmental inks such as soy inks and flaxseed inks due to restrictions on price and other factors. The inks that are being used are commonly found in the environmental aspects of the recovery of volatile organic compounds (VOC), polycyclic aromatic solvents (PCA), heavy metals, industrial waste, and other resources (such as recycled paper) and combustion (dioxin). Big problem.
From this point of view, at present, China's printing companies in the selection and processing of ink cleaning agents (whether it is steam, kerosene or car wash water) there is a big environmental problem; on the one hand is the safety and pollution of the cleaning agent itself, on the other hand It is a problem of contamination of toxic substances such as ink dissolved in cleaning agents.
Faced with the pollution problems caused by the use of ink cleaning agents, we should learn from the experience of developed countries in foreign countries and work hard to select and handle ink cleaning agents. In Europe, America, Japan, and other developed countries, due to their high environmental protection requirements, all printing companies have to strictly comply with relevant environmental laws and regulations in the selection and disposal of ink cleaning agents. Otherwise, it is a huge fine for them to wait. And revoked licenses, severe punishment will face jail. At present, printing companies in Europe, America, Japan, and other developed countries no longer use steam and kerosene as ink cleaners. They choose car wash water whose quality meets international or national environmental standards. Second, they will not be printed like ours. Like businesses, car washes that have washed blankets, rollers, or toxic substances such as ink behind the machine are poured into sewers or anywhere convenient. Instead, dirty car wash water is collected and sent to a dedicated processing center or The company recycles itself so that it basically prevents the pollution of the car wash water to the environment; at the same time, it will not only increase the production cost of the company, but it will bring considerable economic benefits to the company.
Economic Benefits - The principle of car wash water recycling is to regenerate the dirty car wash water into clean car wash water (its theoretical recovery rate is above 95%, the actual recovery rate is above 85%), and it can be recycled repeatedly for an unlimited number of times. Not only does it prevent the car wash water from polluting the environment, but it also saves more than 85% of the car wash water, which means that it saves more than 85% of the relevant production cost; at the same time, it can separate the ink and other toxic substances in the car wash water into solid form for separate treatment. Avoid environmental pollution.
So far, there have been at least two printing companies in Beijing (Beijing University Printing Factory and Beijing Lianxing Shengye Printing Co., Ltd.) using relevant processing equipment to recycle the used car wash water; and the economic benefits are very significant. Take Beijing Lianxing Shengye Printing Co., Ltd. as an example. After using FORMECO's recycling equipment, the purchase of car wash water from the previous 60-plus buckets per month to less than 20-barrels now reduces the cost for the company. We hope that in the near future, our printing companies can join this ranks for the sake of protecting their humanity's green homes, whether for the sake of their own interests or for the protection of the Earth's environment on which humanity depends. An obligation.
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