GAZLARNI ZARARLI BIRIKMALARDAN TOZALASHDA QO‘LLANILADIGAN SORBENTLARNI QAYTA TIKLASHNING SAMARALI USULLARINI TAHLIL QILISH VA TANLASH
DOI:
https://doi.org/10.66960/jof.3093-8899.00026Kalit so‘zlar:
regeneratsiya, gazni tozalash, MDEA, H₂S, CO₂, energiya samaradorligiAbstrakt
Maqolada sanoat gazlarini H₂S, CO₂, SOx, NOx, uchuvchan organik birikmalar va namlik kabi zararli komponentlardan tozalashda qo‘llaniladigan sorbent va absorbentlarni qayta tiklash usullari tahlil qilindi. Tadqiqotning dolzarbligi gaz tozalash qurilmalarining samaradorligi faqat sorbentning dastlabki yutish qobiliyatiga emas, balki sorbsiya-regeneratsiya sikllarida ushbu qobiliyatning saqlanishiga ham bog‘liqligi bilan izohlanadi. Taqqoslash asosida termik desorbsiya, bug‘ bilan regeneratsiya, vakuumli regeneratsiya, kimyoviy yuvish, reaktivatsiya hamda elektro-/mikroto‘lqinli qizdirish usullari ko‘rib chiqildi. Maqolada ratsional usulni tanlash uchun tiklangan sorbsiya sig‘imi, energiya sarfi, sorbentning degradatsiyaga chidamliligi, korroziya xavfi, ekologik xavfsizlik va sanoat sharoitida joriy etish imkoniyati mezonlari taklif qilindi. Shuningdek, Sho‘rtan gaz-kimyo majmuasi misolida aminli gaz tozalash jarayoni ma’lumotlari tahlil qilindi. Xom gaz tarkibida CO₂ miqdorining 2,31 dan 3,37 mol.% gacha oshishi tozalangan gazda CO₂ qoldiq miqdorining 75-100 ppm gacha ko‘tarilishiga olib keladi, loyiha normasi esa 10 ppm dan oshmasligi kerak. DЭA 30% eritmasidan MDEA 40% eritmasiga o‘tish regeneratsiya uchun bug‘ sarfini 64,0 dan 52,3 t/soat gacha kamaytirishi, H₂S <5 ppm va CO₂ <10 ppm ko‘rsatkichlariga erishishi mumkinligi asoslandi.
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