Using of diatomite filter aids: 1. Condiment: monosodium glutamate, soy, vinegar, salad oil, colza oil, etc. 2. Beverage: beer, rat fee, yellow wine, fruit juice, wine, beverage syrupy, etc. 3. Pharmaceutical: antibiotic, vitamin, refined traditional Chinese medicine, filling for dentistry, cosmetics, etc. 4. Chemical products: organic acid, mineral acid, alkyd, oil paint, vinylite, etc. 5. Industrial oil products: lubricating oil, additives of lubricating oil, petroleum additive, trussed metal sheet oil, transformer oil, coal tar, etc. 6. Water treatment: daily waste water, industrial waste water, effluent treatment, swimming pool water, etc. 7. Sugar Industry: fruit syrup, glucose, starch sugar, sucrose, etc.