Even low concentrations of hydrogen sulfide gas can have a significant impact on equipment. Corrosion can lead to failures at the contact points of the equipment.
Hydrogen sulfide gas is highly toxic, and concentrations of hydrogen sulfide gas above 10 ppm can lead to a diminished sense of smell, with headaches and nausea potentially occurring quickly. At high concentrations around 800 ppm, the risk of acute poisoning increases, and the possibility of death arises. However, even at low concentrations of hydrogen sulfide gas at the ppb (0.05 ppm) level, which have no impact on the human body, the effects on equipment can be significant. According to ISA standards, gas management for electrical control equipment is required to be below 50 ppb. Machinery is more vulnerable to hydrogen sulfide gas than humans, necessitating strict management.
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Hydrogen sulfide gas must be managed at a gas concentration of 50 ppb or lower. In places where hydrogen sulfide gas is likely to occur, such as paper mills, sewage treatment plants, and geothermal power plants, daily efforts are made to manage the gas.
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Our company provides general services from the investigation to the measures regarding hydrogen sulfide gas. Customers experiencing corrosion issues are encouraged to contact us for consultation.
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JMES Co., Ltd. was established in July 1976 with the keyword "environmental measurement." Since then, as a pioneer in environmental measurement in Japan, we have contributed to domestic environmental measures by starting with the import of excellent measuring instruments from overseas and engaging in domestic manufacturing. We have also expanded our business into energy conservation and plant corrosion prevention equipment as an extension of environmental measurement. In September 2003, we obtained ISO 9001:2000 certification (updated to ISO 9001:2015 in September 2021) (LRQA Limited). We promise to further enhance customer satisfaction with our products and services. We position compliance with laws and regulations as our top priority and are committed to advancing as a company to realize our motto, "Make Japan Beautiful."