بررسي رنگ‌زدايي رنگينه سياه راکتيو 5 به روش آنزيمي



نشریه: سال پنجم - شماره اول - بهار 1390 - مقاله 2   صفحات :  11 تا 20



کد مقاله:
JCST-23-01-2010-1110

مولفین:
محمد منصوري مجومرد: دانشگاه صنعتي شريف - دانشکده مهندسي شيمي و نفت
حميدرضا کريمي‌نيا: دانشگاه صنعتي شريف - دانشکده مهندسي شيمي و نفت


چکیده مقاله:

در اين تحقيق، روش رنگ‌زدايي آنزيمي به طور تجربي مورد بررسي قرار گرفته است. رنگ‌زدايي رنگينه سياه راكتيو 5 در يك راكتور همزده با استفاده از پراكسيداز قارچي كپرينوس سينريوس مطالعه شده است. براي اين منظور عواملي همچون غلظت آب اکسيژنه، pH محلول رنگي، غلظت محلول رنگي و فعاليت آنزيمي براي رنگ‌زدايي رنگينه سياه راكتيو 5 مورد بررسي قرار گرفته‌اند. در نهايت بازده رنگ‌زدايي در شرايط راکتور زيستي 67 درصد مشاهده شد. در اين حالت، رنگينه سياه راكتيو به محيط واکنش به طور پيوسته وارد مي‌شد و افزودن آب اکسيژنه و آنزيم پراکسيداز به طور ناپيوسته بود. ضمناً pH محيط واکنش برابر با 8 و غلظت رنگ و غلظت آب اكسيژنه به ترتيب ppm 40 و mM 96.1 بود.


Article's English abstract:

This research reports on the examination of enzymatic decolorization. Decolorization of Reactive Black 5 using fungal peroxidase obtained from Coprinus Cinereus was studied in a stirred tank reactor. Effect of several parameters including hydrogen peroxide concentration, pH, dye concentration and enzyme activity on the decolorization of Reactive Black 5 was investigated. Dye decolorization efficiency of 67% was achieved under continuous feeding of dye solution and stepwise addition of hydrogen peroxide and peroxidase enzyme. Under this condition, pH value, dye and hydrogen peroxide concentrations were 8.0, 40 ppm and 96.1 mM, respectively.


کلید واژگان:
رنگ‌زدايي، رنگ‌زدايي آنزيمي، پراکسيداز، سياه راكتيو 5، کپرينوس سينريوس.

English Keywords:
Dye decolorization, Enzymathic decolorization, Peroxidase, Reactive black 5, Coprinus cinereus.

منابع:

English References:
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موسسه پژوهشي
علوم و فناوري رنگ و پوشش
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پروفسور زهرا رنجبر
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پروفسور زهرا رنجبر
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