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УМУМЛАШТИРИЛГАН НЕФТЛАР ЯРИМ ТАЙЁР МАҲСУЛОТЛАРИ ТАРКИБИДАГИ МЕТАЛЛ ЗАРРАЛАРИ КОНЦЕНТРАЦИЯЛАРИ ЎЗГАРИШИНИ ЎРГАНИШ

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MAQOLA ANNOTATSIYASI

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Тадқиқотнинг мақсади Ўзбекистонда қазиб чиқариладиган ва газ конденсати билан аралаштирилиб енгил фракциялар ҳайдаб олишда фойдаланиладиган бир қатор оғир нефть намуналари таркибидаги металл қолдиқлари тақсимланишини ўрганишдан иборат. Нафтенатлардаги металл бирикмаларнинг термик парчаланиши юқори фаолликка эга органик кислоталар ҳосил бўлиши билан изоҳланади. Нефть хомашёсидаги асосий металл қолдиқлари нефть кислоталарининг кальций тузлари шаклида эканлиги аниқланди. V, Ni, Fe металлорганик бирикмалари ва бошқа Ўзбекистон нефтларидаги d-элемент бирикмалари концентрацияси Яқин Шарқ ва Россиянинг маълум конларидаги оғир нефть таркибига нисбатан анча пастлиги тадқиқ этилди. Аммо FeO(OH), FeO, Fe2O3, Fe0, Fe1-хS, FeS и CaS турдаги аралашмалар гидротозалаш жараёнларига тушганда, реакция оралиғида нефть кислоталарининг коррозион беқарорлиги сабабли хомашё таркибидаги зарарли зарралар миқдорининг тезкор кўтарилишига сабаб бўлиши кўрсатилди. Экологик тоза товар маҳсулотлари ёқилғи ва мойлар олиш ҳамда маҳаллий углеводород хомашёсини қайта ишлаш жараёнида олинган дистиллат ва қолдиқ фракцияларни гидротозалаш учун катализаторлардан узоқ муддатли фойдаланишни таъминлаш мақсадида, кальций, никель ва темир нафтенатлар каби бирикмалар билан бирга коррозия маҳсулотларини ютиш учун махсус ҳимоя қатламларидан фойдаланиш лозимлиги исботланди.

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# оғир нефтни қайта ишлаш# нефть қолдиқлари# дистиллят фракциялари# металл зарралари# переработка тяжелой нефти# нефтяные остатки# дистиллятные фракции# примесные металлы# processing of heavy oils# oil residues# distillate fractions# impurity metal

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