بررسي عوامل مؤثر برحذف ماده رنگزای راکتیو از محلول با استفاده از امولسيون حاوی نانو ذرات کیتوسان



نشریه: سال پنجم - شماره اول - بهار 1390 - مقاله 1   صفحات :  1 تا 10



کد مقاله:
JCST-23-01-2010-1111

مولفین:
حامد مومن‌زاده: دانشگاه صنعتی امیرکبیر - دانشکده مهندسی پلیمر و رنگ
علیرضا خسروی: دانشگاه صنعتی امیرکبیر - دانشکده مهندسی پلیمر و رنگ
علی رضا تهرانی بقا: مؤسسه پژوهشي علوم و فناوري رنگ و پوشش - گروه پژوهشی رنگ و محیط زیست
کمال‌الدین قرنجیگ: موسسه پژوهشي علوم و فناوري رنگ و پوشش - گروه پژوهشي مواد رنگزاي آلي، قطب علمي رنگ


چکیده مقاله:

امولسيونی از نانو ذرات کیتوسان از طریق افزایش تدریجی محلول پلی فسفات سدیم (SPP) به محلول کیتوسان (CS) تهیه شد. نتايج نشان داد كه جذب رنگزاي راكتيو آبي 19 (RB19) بر روي امولسيون كيتوسان حاوي نانو ذرات تحت تأثير زمان تماس، غلظت اوليه ماده رنگزا، pH و دما مي‌باشد. در يك غلظت اوليه ppm 160 و دماي 25 درجه سانتي‌گراد تحت شرايط بهينه (4=pH و نسبت كيتوسان به سديم پلي فسفات برابر 2.85)، نانو امولسيون كيتوسان ظرفيت جذب بسيار بالاتري نسبت به كيتوسان معمولي دارد. درصد حذف رنگزاي RB19 در شرايط بهينه به ترتيب براي كيتوسان و نانو امولسيون كيتوسان برابر با 60% و 100% بود.


Article's English abstract:

The chitosan emulsion containing nano-particles has been prepared in a suspension form by adding drop-wise sodium polyphosphate (SPP) solution into a chitosan solution (CS). The results showed that the adsorption of C.I. Reactive Blue 19 (RB19) on chitosan emulsion was affected by contact time, initial dye concentration, pH, and temperature. For an initial dye concentration of 160ppm and 25C in the optimum conditions (pH=4, [CS]/[SPP]=2.85), the chitosan nano-emulsion has much higher dye adsorption capacity. The RB19 removal in optimum condition was 60% and 100% for conventional chitosan and chitosan nano-emulsion respectively.


کلید واژگان:
امولسیون كيتوسان، پساب، رنگزای راکتیو، حذف مواد رنگزا، جذب.

English Keywords:
Chitosan emulsion, Wastewater, Reactive dye, Dye removal, Adsorption.

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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