International Tungsten Industry Development Overview
China Tungsten Industry Development Report (2020)Ⅰ In 2020, in the face of the severe and…
Author zhenghua
[Know Tungsten] Tungsten Ore Flotation Inhibitor – Lignin
Lignin is aromaticity high polymer exists in plant, it exists in the xylem of plant…
[Know Tungsten] Tungsten Ore Flotation Inhibitor – Starch
Starch is used to inhibit tin ore and calcite in flotation. However, itself alone doesn’t…
[Know Tungsten] Tungsten Ore Flotation Organic Inhibitor
Among tungsten ore flotation inhibitor, sodium silicate is the most widely used one. But sodium…
[Know Tungsten] Tungsten and Molybdenum Separation – Ion Exchange Method
Ion exchange method principle is sulfurizing sodium tungstate solution containing molybdenum or ammonium tungstate, molybdenum…
[Know Tungsten] Tungsten and Molybdenum Separation – Molybdenum Trisulfide Precipitation Method
Molybdenum trisulfide precipitation method uses the affinity of molybdenum in solution which is bigger than…
[Know Tungsten] Tungsten and Molybdenum Separation – Hyamine Extraction Method
Hyamine is a strong complexting agent, it has different complexting ability for tungsten and molybdenum.…
[Know Tungsten] Tungsten and Molybdenum Separation – Activated Carbon Adsorption Method
There are several methods include extraction method, precipitation method and ion exchange method to realize…
[Know Tungsten] Tungsten and Molybdenum Separation – Selective Precipitation
Tungsten and molybdenum separation has always been a difficult issue in tungsten and molybdenum concentrate…
[Know Tungsten] Tungsten Concentrate Decomposition Method – Nitric Acid
Calcium tungstate reacts with nitric acid chemical formula: CaWO4(S)+HNO3=H2WO+Ca(NO3)2