What was happened at Tianyuan Manganese Corp in northwest China’s Ningxia Hui (23/12) has reminded me the H2S hazard and the importance of H2S monitor. In that accident at work, according to initial accident investigation three people were died which was caused by H2S gas poisoning. H2S was released when employees was mixing manganese carbonate and sulphuric acid at the plant site.
H2S or hydrogen sulfide has specific odor like rotten egg at the concentration of below 1 ppm in air. However, its odor can not be used as H2S detection method. A reliable and continuous H2S monitor or H2S detection device is exactly required to avoid H2S poisoning. (more…)
Tags: Device Placement, short-term smell loss, gas poisoning, Various organizations



