Reduction of iron oxide by carbon monoxide
summary
Iron oxide, also known as ferric oxide, burnt limonite, burnt ochre, iron red, iron red, red powder, Venetian red (the main component is iron oxide), etc. Chemical formula Fe2O3, soluble in hydrochloric acid, is reddish brown powder. Its reddish brown powder is a kind of low-grade pigment, which is called iron oxide red in industry. It is used in paint, ink, rubber and other industries. It can be used as catalyst, polishing agent for glass, gemstone and metal, and can be used as raw material for ironmaking. So what are the main uses of iron oxide?
Reduction of iron oxide by carbon monoxide
It is used for coloring sugar coating of all kinds of tablets and pills.
It can be used as magnetic material, pigment, reducing agent, polishing agent, catalyst, etc. it can also be used for coloring tablets, sugar coating and capsules.
Edible red pigment. Japan used for red bean rice, konjac flour food. It is used to identify the banana which has been treated with preservative. The United States is mostly used for cat food, dog food and packaging materials.
matters needing attention
Carbon monoxide is toxic, so in order to prevent the carbon monoxide without reaction from losing into the air and polluting the air, the tail gas should be treated