Zinc sulfate is used in many industries, including:
Textile and fiber: Used as a mordant to improve the colorfastness and durability of textiles. It's also added to precipitation baths in the production of artificial silk.
Paint and varnish: Used to produce zinc paints.
Agriculture: Used as a fertilizer and agricultural spray to supplement zinc in plants and improve soil nutritional value. It can also prevent moss growth on roots.
Animal feed: Used as a supplement to treat zinc deficiency in animals.
Brewing: Used to increase the alcohol yield of yeast in the brewing process.
Water treatment: Used to control algae growth in water reservoirs, lakes, and ponds. It's also used as a coagulant in wastewater treatment to clarify water and precipitate impurities.
Wood preservation: Used to preserve wood.
Lithopone production: Used to produce lithopone in the printing industry.
Electroplating: Used as an electrolyte.
Leather preservation: Used to preserve skins and leather.
Zinc plating and surface treatments: Used in zinc plating and surface treatments.