- The acid temperature was lowered down by parallelly installing a spare acid cooler to increase heat exchange area and a good econo...
- Doll Oliver roast technology, Dynamic Wave technology and high concentration SO2 conversion are particularly described, as well as stainless converter, concentrated sulphuric acid cooler and SO2 main blower.
- Various measures were taken depending on whether acid circulated or not to keep the acid cooler in the safe area of anodic protection with a stable passive film and thereby lone service life.
- He gave me a taste of his acid wit.
- Acid irritates the stomach lining.
- Acid had pitted the surface of the silver.