How Can Acid Bath Hazards Be Controlled?
A number of effective control measures can be taken to reduce the dangers of acid baths. These include: • good local exhaust ventilation to remove mists, vapours and gases above the tanks; experience has shown that bright-dip baths of nitric and sulfuric acids need closer fitting hoods and more effective exhaust than other types of acid baths; the rinse baths may need ventilation as well; • mist reducing agents and foam blankets on the surface can reduce misting; • baths should be covered when not in use; • chemicals should be added to the baths carefully to reduce splashing; • full protective clothing should be provided and worn at all times, including full face shield, chemical-type goggles, rubber gloves, boots and aprons; • eating, drinking and smoking near tanks should be prohibited; • emergency wash facilities, including shower and eyewash station should be located nearby. What Are The Hazards Of Caustic Baths? Acid and caustic baths complement each other. Acid baths are best for