It describes the test and operation of zinc sulfate solution purification by antimony trioxide instead of arsenate.

Results showed that high-temperature S removal,As removal by oxidization and two-step Si removal has resulted in distinct efficiency and qualified Ge concentrates are ensured.

Study on flue gas purification for obturating furnace of calcium carbide;

Improving the ability of removing other fungus and purifying for glutamicacid zymotechnics;