Rech Chemical Co. LTD ,zinc sulfate manufacturer, are happy to share the following manufacturing process of produce feed grade zinc sulfate monohydrate:
Washing the material
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Zinc oxide+ Sulfuric Acid
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Reaction
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Filter
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Add Peroxide, remove Fe
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Add Zinc Oxide, control PH
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Filter
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Add Zinc powder, remove Cd
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Filter
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Multi-effect evaporation
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Concentration
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Centrifugal
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Dry
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Package
Rech Chemical Co. Ltd keeps eye on every link of zinc sulfate production: examine the raw materials and washing before producing, when producing, Rech Chemical Co. Ltd adopt Multi-effect evaporation & concentration and finished-product hot-air drying machine in the production, and use Polarographic Analyzer and Automatic Absorption Spectrophotometer in the inspection section to test heavy metals content and zinc content in zinc sulfate.
