ECOVYST
Treatment of materials, namely, thermal combustion and incineration of materials, namely, chemicals and waste chemicals; treatment of materials, namely, regeneration of spent sulfuric acid into high-strength sulfuric acid, all of the foregoing used in ecologically-friendly applications; Sulfiding and passivation, namely, material treatment of hydroprocessing catalysts; material treatment of petroleum catalyst, namely, an off-site sulfiding and activation of hydroprocessing catalyst
Registered · April 7, 2021 · 90628336 ·