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Current technology and consumption of melamine

Melamine is an important chemical raw material that can be used as a flame retardant, water-reducing agent and formaldehyde detergent, etc. It is also used in many Asian countries to manufacture fertilizers. Next, we will give you a detailed description of the current state of the art in Melamine and the dangers to the body when consumed. Here are some answers.

Here is the content list:

The state of the art of Melamine.

Is Melamine dangerous for human health?


The state of the art of Melamine.


Melamine is an important high-end organic chemical intermediate and its technology is now quite mature and its applications are quite widespread. Melamine was first produced in 1834 by the dicyandiamide method of Liebig, and the production of Melamine in China started in 1958 on a very small scale, using dicyandiamide as raw material and using the high-pressure process, with an annual output of only 100 t. Currently, the dicyandiamide method has been eliminated by the urea method. Now the mainstream production of Melamine includes: Japan's new Nissan high-pressure method; European technology high-pressure method accounts for 16% of the global melamine process application; Dutch DSM low-pressure method accounts for 8% of the global melamine process application; BASF atmospheric pressure method accounts for 4%; dry capture and refining method 13%; improved gas-phase quenching and cooling method 34%; other processes 10%; Yejing pressurized gas-phase quenching and cooling method 15%. After more than 50 years of development, China has become the country with the most complete and advanced melamine powder process, of which the domestic Yejing pressurized vapor phase quenching and cooling method is now the most advanced. Its plant hardware investment is the lowest, a single set of capacity is the largest, comprehensive energy consumption is only about 60% of the BASF method and modified vapor phase quenching and cooling method.


Is Melamine dangerous for human health?


Melamine does not undergo any type of rapid metabolic changes in the body and is an inactive or inert metabolite. Melamine is excreted by monogastric animals mainly in the form of progenitors or congeners, not in the form of metabolites. The toxicity of Melamine was previously considered to be mild, and long-term ingestion of large amounts of Melamine could have serious effects on the kidneys and bladder, leading to the development of stones. However, the results of the 2007 investigation into the contamination of pet food in the USA and the preliminary results of the 2008 investigation into the Sanlu infant milk powder incident in China showed that the addition of Melamine 99.8% to food posed a significant risk to the organism, which put an end to the conclusion that Melamine was mildly toxic. The clinical signs seen in animal experiments with Melamine were mainly a gradual decrease in feed consumption, weight loss, bladder stones, and crystalluria, thus proving that the mechanism of Melamine toxicity is renal failure. In humans, Melamine particles are formed in the kidneys of infants, and even if the larger particles are eliminated, there are still small particles that act as nuclei to form large stones, leading to uremia and chronic renal failure. In conclusion, Melamine can be very harmful to the body when added to food and can be a serious health hazard.

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