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In some wastewater treatment plants, a small amount of methanol is added to wastewater to provide a carbon food source for the denitrifying bacteria, which convert nitrates to nitrogen gas and reduce the nitrification of sensitive aquifers. Methanol is used as a destaining agent in polyacrylamide gel electrophoresis.
Chafing fuel is a fuel used for heating food, typically placed under a chafing dish. [1] It is usually sold in a small canister and burned directly within that canister, with or without a wick. [1] The fuel often contains methanol, ethanol, or diethylene glycol, as these may be burned safely indoors, and produce minimal soot or odour.
Unlike ethanol, however, methanol is toxic to humans and is commonly used as a solvent in industrial processes, a precursor for producing formaldehyde and an ingredient in products like antifreeze ...
Discovered around 1900 as a byproduct of the nitrocellulose manufacturing process, [citation needed] Sterno is made from ethanol denatured by adding methanol, water, and an amphoteric oxide gelling agent, plus, in recent decades, a safety dye that gives it a characteristic pink color. The methanol is added to denature the product, which is ...
Methanol toxicity (also methanol poisoning) is poisoning from methanol, characteristically via ingestion. [1] Symptoms may include an altered/decreased level of consciousness , poor or no coordination, vomiting , abdominal pain , and a specific smell on the breath.
Diverse additives are used to make it difficult to use distillation or other simple processes to reverse the denaturation. Methanol is commonly used both because its boiling point is close to that of ethanol and because it is toxic. Another typical denaturant is pyridine. Often the denatured alcohol is dyed with methyl violet. [8]
Methanol is a toxic form of alcohol that is used industrially as a solvent, pesticide or an alternative source of fuel. It is not used in the production of alcohol sold for human consumption.
In this process the glycerol component is replaced with a different alcohol. The most commonly used alcohol is methanol, producing fatty acid methyl esters (FAME). When ethanol is used fatty acid ethyl esters (FAEE) are created. Other alcohols used for the production of biodiesel include butanol and isopropanol.