فهرست:
2
فصل اول: مقدمه.
2
1-1- پیشگفتار ..................................................................................................................................................
3
1-2- نانو فناوری و کاربرد آن در صنعت نفت....................................................................................... ....
4
1-3- نانو فناوری و سیمان چاه های نفتی............................................................................................. .....
4
1-4- معرفی برخی از نانو افزودنی های مورد استفاده در سیمان................................................... ....
8
1-5- تعریف سیال فوق بحرانی................................................................................................................. ....
10
1-6- مزایای استخراج بوسیله سیال فوق بحرانی................................................................................. ....
11
1-7- کاربردهای فناوری فوق بحرانی....................................................................................................... ....
12
1-8- کاربرد فرآیندهای فوق بحرانی در تولید ریز ذرات.................................................................... ....
14
1-8-1- فرآیند RESS................................................................................................................................. ....
15
1-8-2- فرآیند PGSS................................................................................................................................. ....
16
1-8-3- فرآیند SAS ، GASوPCA....................................................................................................... ....
22
فصل دوم: مروری بر تحقیقات گذشته
37
فصل سوم: پایلوت آزمایش .
37
3-1- مبانی طراحی و مشخصات پایلوت استخراج فوق بحرانی ........................................................
38
3-2- بررسی اجزای اصلی تشکیل دهنده پایلوت فوق بحرانی...........................................................
38
3-2-1- تأمین فشار آزمایش........................................................................................................................
39
3-2-2- تأمین دمای آزمایش.......................................................................................................................
39
3-2-3- ظرف اصلی آزمایش........................................................................................................................
39
3-2-4- فیلتر فلزی.........................................................................................................................................
39
3-3- طراحی دستگاه آزمایشگاهی فوق بحرانی.....................................................................................
40
3-3-1- ظرف اصلی ......................................................................................................................................
42
3-3-2- فیلتر فلزی.........................................................................................................................................
43
3-3-3- ظرف مایع سازی( یخچال) گاز دی اکسیدکربن.....................................................................
44
3-3-4- پمپ فشار قوی................................................................................................................................
45
3-3-5- سیستم گرمایش و سرمایش(مخزن آب)..................................................................................
46
3-3-6- سیستمهای کنترل.........................................................................................................................
47
3-3-7- لوازم جانبی.......................................................................................................................................
50
3-4- انجام تست هیدرولیک دستگاه.........................................................................................................
52
فصل چهارم: روش انجام آزمایشها.....................................................................................
52
4 4-1- مواد استفاده شده .......................................................................................................................... .
53
4-2- روش انجام آزمایش............................................................................................................................. ..
54
4-3- آنالیز محصولات................................................................................................................................... ...
54
4-3-1- آنالیز میکروسکوپ الکترون روبشی ......................................................................................... ...
55
4-3-2- نرم افزار image analysis3.2 (SIS).................................................................................. .
58
فصل پنجم: نتایج .......
58
5-1- بحث و نتیجهگیری ........................................................................................................................... ....
62
5-2- اثر غلظت............................................................................................................................................... ....
63
5-3- اثر فشار.................................................................................................................................................. ....
65
5-4- اثر دما.................................................................................................................................................... .....
66
5-5- اثر دبی دی اکسیدکربن................................................................................................................... .....
67
5-6- نتیجهگیری........................................................................................................................................... ....
69
منابع................................................................................................................................................................... ....
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