سنتز، شناسایی و کاربرد کمپلکس نیکل تثبیت شده برروی نانو حفرات MCM-41 بعنوان نانوکاتالیزگر قابل بازیافت و موثر برای اکسایش سولفیدها و تیولها

نویسندگان

گروه شیمی، دانشکده علوم پایه، دانشگاه ایلام، ایلام

چکیده

در این پژوهش، کمپلکس باز-شیف نیکل نشانده شده بر روی نانو حفرات MCM-41 حاوی 4-هیدروکسی-3-متوکسی بنزآلدهید وانیلین تهیه و با استفاده از روش های پراش پرتوایکس XRD، طیف سنجی تبدیل فوریه مادون قرمز FT-IR، آنالیز وزن سنجی حرارتی TGA ، میکروسکوپ الکترونی روبشی SEM، طیف سنجی پلاسمای جفت شده القایی ICP-OES و طیف سنجی پراش انرژی پرتو EDX شناسایی شد. اکسایش انتخابی سولفید‌ها تحت شرایط بدون حلال وجفت شدن اکسایشی تیول‌ها در اتانول با استفاده از هیدروژن پراکسید به عنوان اکسید کننده سبز در حضور Ni-Vanillin-MCM-41به عنوان کاتالیز‌گر در دمای اتاق به طور موفقیت آمیزی انجام گرفت. این کاتالیز‌گر ناهمگن بسیار فعال بوده و می‌تواند برای چندین بار، بدون کاهش چشمگیری در فعالیت کاتالیز_گری آن، بازیافت شود. برخی از مزایای این کار شامل: جداسازی آسان، شرایط ملایم، بازده بالا و کاتالیز‌گر ارزان و غیر سمی می‌باشد.

کلیدواژه‌ها


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