Acid Washed Brown Fused Aluminum Oxide-TAOANG

Over the past 18 years, TAOANG products range from raw material bauxite to processing follow-up products brown fused alumina, finishing white fused alumina and dense fused alumina, bubble alumina, and fused alumina micro powder. The production process is fully controlled to achieve control of product quality and price.

The Brown Fused Aluminum Oxide produced by the traditional method inevitably contains some impurities. These impurities will affect the abrasive grit quality. To meet the high requirement of purity of foreign company, the acid washed, wind washed and water washed method were used in the production.Usually, water washed and wind washed were used in the coarse grain, and acid washed was used in fine powder. The has higher purity, the cleaning of impurities in brown fused Aluminum Oxide abrasive requires a large amount of sulfuric acid and water discharge, and the grading process of brown fused Aluminum Oxide still requires a large amount of water. Therefore, according to statistics, a ton of brown fused Aluminum Oxide abrasive need 200 tons of water and 100 kilograms of acid. Therefore, although the acid process can produce high-quality brown fused abrasive, it also increases the production cost. At the same time, the wast water cause water pollution to the environment.And some plant seeking high heat treated measure to replace acid process.

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