التفاصيل البيبلوغرافية
| العنوان: |
Immobilization of Nuclear Waste Using Carbon Nanotubes Prepared by Laser Ablation in Liquid Method. |
| Alternate Title: |
حثبيج النفاياث النوويت باسخخدام انابيب الكاربون النانويت المحضرة بطريقت الاقخلاع بأسخخدام الليزر (Arabic) |
| المؤلفون: |
Hussian, Thuraya A. Abdul, Jaber, Ghufran S. |
| المصدر: |
Iraqi Journal of Physics; 2021, Vol. 19 Issue 49, p32-41, 10p |
| مصطلحات موضوعية: |
RADIOACTIVE wastes, CARBON nanotubes, LASER ablation, RADIOACTIVE waste disposal, ABLATION (Industry), ND-YAG lasers, YTTRIUM aluminum garnet |
| Abstract (English): |
Nuclear waste comes from many sources around us and considered as the main source of pollution which threats human's health and environments. Because of this, we must find a proper treatment, storage, and disposal method of nuclear waste over a long period of time. So, in this research the nuclear waste (Strontium hydroxide) was immobilized by Carbon nanotubes (CNTs). The Nd-YAG laser with wavelength 1064 nm, energy 750 mJ and 100 pulses was used to prepare CNTs. Sr(HO)2 powder was added to the CNTs colloidal in calculated rate to get a homogenous mix of CNTs-Sr(OH)2. The Sr(HO)2 absorbs carbon dioxide from the air to form strontium carbonate so, the new solution is CNTs-SrCo3. To dry the solution three drops from the new solution was placed on glass slides. To investigate the radiation damage on CNTs structure, the sample was irradiated with a beta source (90Sr/90Y) for different periods of time. The structure properties were measured using X-ray diffraction XRD, while the shape and size property was measured with scanning electron microscope SEM. The results showed homogenous distribution of nanoparticles with average particle size of about 20nm. The XRD spectra for all samples before and after irradiation showed higher peaks at 2θ = 25 degree and when compared the XRD phase with standard card the resultant nanomaterial is strontium carbonite (SrCo3). From SEM micrograph, SrCo3 was well decorated on the surface of CNTs and there was not any remarkable difference in the corresponding due to beta radiation exposure. [ABSTRACT FROM AUTHOR] |
| Abstract (Arabic): |
ف حِبو خٌ زٌٍخصٍ إ فٌب بٌد إ ىٌو خٌ ا زٌ رشى رهذ ذٌا ػ ىٍ صحز بٕ وث ئٍبر بٕ. وخب علينا أيداد طسيقة هناسبة لحثبيث هره النفايات النىوية. لرلك، في هرا البحث جن جثبيث النفايات النىوية)هيدزوكسيد السحسونحيىم(ثطىي ىِجخ 4697 Nd-YAG اطزخذ ف هذا ا جٌحش شٌٍر .)CNTs(بىاسطة أنابيب ا ىٌبرثى إ بٌ ىٔ خٌ إ ىٌ حِ ىٍي Sr(OH) بعد ذلك جن إضافة هسحىق 2 .CNTs و 466 نبضة لححضيس mJ: نانىهحس زٌّص Sr(OH)2 .CNTs-Sr(OH) إ بٌ ىٔي ث ظٕجخ حِظىثخ حٌٍصىي ػ ىٍ خ طٍٍ زِجب ضٔ 2 CNTs CNTs- ص بٕئ اووظ ذٍ ا ىٌبرثى ا هٌىاء ىٌٍى وبرثى بٔد ظٌززو زٔ ىٍ ذٌ هٌ، فب ا حٌّ ىٍي ا جٌذ ذٌ إ بٌرج هى و زٌجف فٍ ا حٌّ ىٍي وضؼذ صلاس لطزاد ا حٌّ ىٍي ا جٌذ ذٌ ػ ىٍ شزائح سجبج خٍ. ولاسحنحاج ضسز .SrCo3 90) ا جٌبػش جٌظ بٍّد ث زٍب فٌززاد Sr/90Y) شؼؼذ ا ؼٌ بٍٕد ثىاططخ إ ظٌ زٍ ا شٌّغ ،CNTs الاشعاع على سطح ث بٍّٕ ر ل بٍص خبص خٍ ا شٌى XRD س خٍِٕ خِز فٍخ. ل ظٍذ خصبئص ا ظٌطح ثبطزخذا ح ىٍد الاشؼخ ا ظٌ خٍٍٕ اظهست النحائح جىشيع هحدانس للدسيوات النانىية هع .SEM وا حٌج ػ طز كٌ ا جٌّهز الإ ىٌززو ا بٌّطح جٌ غٍّ ا ؼٌ بٍٕد لج وثؼذ ا زٌشؼ غٍ ة وجىد ل XRD 20. ث ذٍٕ اط بٍف nm هحىسظ حدن للدسيوات حىالي غِ ا جٌطبلخ ا مٌ بٍط خٍ فب ا بٌّدح إ بٌ ىٔ خٌ إ بٌرجخ XRD 58 درجخ وػ ذٕ مِبر خٔ طىر غِ = ػب خٌٍ رمز جٌب ػ ذٕ 2 ططح أ بٔث تٍ ا ىٌبرثى SrCOo رش 3 ،SEM اظهزد اصٌىرا جٌّهز خٌ .(SrCoه وبرثى بٔد ا ظٌززو زٔ ىٍ (3 ثشى جذ ذٌ و ىٌ ه بٕن أي اخزلاف حٍِىظ ف ا مٌّبث ثظجت ا زٌؼزض لإشؼبع ث زٍب. [ABSTRACT FROM AUTHOR] |
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