Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: A cikin 'yan kwanan nan, kamfanin sinadarai Showa Denko, wanda ya buɗe masana'antar hada sinadarin ethylene a Ōita, Japan, a 1997, ya tallata sauya fasalin ethylene zuwa acetic acid mai rahusa. Ana aiwatar da tsari ta hanyar palladium ƙarfe mai haɓaka wanda aka tallafawa akan acid heteropoly kamar silicotungstic acid. Hakazalika tsari amfani da wannan karfe mai kara kuzari a kan silicotungstic acid da silica:  Tambaya: Menene wannan tsari yake motsawa?
palladium karfe mai kara kuzari da aka tallafawa akan heteropoly acid