LPG iskar gas ce mai ruwa-ruwa, wadda ake samarwa lokacin tace ɗanyen mai ko kuma ta lalace daga tsarin amfani da mai ko iskar gas. LPG cakuda mai ne da iskar gas da aka samar a ƙarƙashin matsin lamba mai dacewa kuma yana wanzuwa a matsayin ruwa a zafin ɗaki.
Ana amfani da LPG (Liquefied Petroleum Gas) sosai a matsayin madadin man fetur ga motoci, amma kuma ya dace da amfani da sinadarai. Ya ƙunshi propane da butane (C3/C4).
Don dawo da LPG/C3+, Sashen Injiniya yana ba da tsarin sha, wanda ke ba da garantin ƙimar murmurewa har zuwa kashi 99.9%, yayin da a lokaci guda yana da ƙarancin amfani da makamashi. Bugu da ƙari, yawan CO2 da ake iya jurewa na iskar gas ya fi na hanyoyin faɗaɗawa na gargajiya.
Domin cimma yawan murmurewa mai yawa na C3, Hengzhong yana aiwatar da ginshiƙin shaye-shaye a sama da na'urar deethanizer. A nan ana goge iskar gas ɗin ta hanyar amfani da ƙaramin hydrocarbon reflux da ke fitowa daga saman na'urar deethanizer. Ana raba LPG da manyan hydrocarbons a ƙasan na'urar deethanizer ta amfani da ginshiƙin destillation.
