Trial of Sulfur Free Odorant
Trial of Sulfur Free Odorant Gas odorization, as one of the proactive safety measures taken by gas companies, has always been a concern. At present, the commonly used odorants in China are tetrahydrothiophene (THT) and thiol mixture (TBM), both of which contain sulfur (S) elements. When burned, they produce SO2 gas, which …
