Untitled Storyboard

Skaidrė: 1
(cough)
this methanol The steam is too pungent! I feel dizzy...
Methanol is volatile, easy to enter the human body through breathing, long-term exposure will lead to chronic poisoning.
Smell bad
Methanol vapor is toxic and inhalation can cause damage to the central nervous system and even blindness. Workers must wear protective gear!
Skaidrė: 2
RCOOH+R'OH--catalysts-- RCOOR'+H2O
This is esterification! The carboxylic acid and alcohol form ester and water under the action of catalyst. This is a key step in how we make plastics and coatings.
what is catalysts?
Catalysts speed up the reaction rate, but traditional catalysts (such as sulfuric acid) are corrosive and can be harmful to worker health and the environment.
Skaidrė: 3
Acidic substances in wastewater (H+)Can lower the pH of the water and affect aquatic life. Volatile organic compounds (VOCs) in exhaust gases can form photochemical smog and exacerbate air pollution.
Look, the waste water goes straight into the river and the fish die! Factory exhaust also makes the sky grey.
What are we going to do?

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