... , food, environmental protection, etc. For example: adipic acid,alum,aluminium hydroxide, ammonium hydrogen carbonate, ammonium chloride, ammoniumnitrate, ammonia sulfate, anthracene, antibiotics ... cake, glutamic acid, hops, pesticide,diatomite, herbicide, tartaric acid, sodium sulfate, sodium phosphate, sodiumnitrate, burnt ore charcoal black, etc. Solid-bowl Discharging ...