فهرست:
فهرست مطالب.....................................................................................................................................................................و
فهرست شکلها...................................................................................................................................................................ح
فهرست جداول ..................................................................................................................................................................ط
فصل اول: بررسی اهمیت موضوع و مفاهیم مرتبط با آن
1-1 مقدمه...................................................................................................................................................... 1
1-2 چرخه انرژی تجدیدپذیر بر پایه زیست توده 3
1-3 تولید زیست توده توسط فرآیند فتوسنتز. 4
1-4 هیدرولیز و تخمیر. 4
1-5 نیاز به منابع آب و تصفیه پسابها 6
1-6 پیل سوختی.. 7
1-7 تعریف پیل‌سوختی.. 8
1-8 انواع پیل سوختی.. 8
1-9پیلهای سوختی میکروبی.. 9
1-9-1 کاربرد پیل سوختی میکروبی................................................................................................... 11
1-9-1-1 تولید برق..................................................................................................................... 12
1-9-1-2 تصفیه پسابها.............................................................................................................. 12
1-9-1-3 تولید هیدروژن.............................................................................................................. 13
1-9-1-4 حذف مواد شیمیایی....................................................................................................... 13
1-9-1-5 حسگرهای زیستی........................................................................................................... 13
1-9-2 مقایسه پیلهای سوختی میکروبی با فرآیندهای بیواتانولی و متان زدایی............................ 14
1-9-2-1 فناوریهای متانزدایی و پیل سوختی میکروبی.............................................................. 14
1-9-2-2 فناوریهای بیواتانول و پیل سوختی میکروبی................................................................. 14
1-9-3 بررسی جامعه میکروبی و زنجیره تنفسی در آنها................................................................... 15
1-9-3-1 چگونگی انتقال الکترونها از سطح میکروب به سطح آند پیل سوختی............................... 17
1-10پیلهای سوختی میکروبی معکوس...... 21
1-10-1 مکانیسمهای انتقال الکترون..................................................................................................... 22
1-10-2 بیوفیلمهای کاتد....................................................................................................................... 24
1-10-3 الکترود کاتد............................................................................................................................... 24
1-10-4 شیمی محلول.............................................................................................................................. 25
1-11هدف از پژوهش پیش رو......................................................................................................................... 27
فصل دوم: بررسی پژوهشهای پیشین
2-1 مروری بر پیلهای سوختی از گذشته تا حال......................................................................................... 28
2-2تاریخچه پیل سوختی میکروبی.. 29
2-3 تاریخچه مدلسازی پیل سوختی میکروبی.. 29
2-4 تاریخچه الکتروسنتز میکروبی.. 33
فصل سوم: بررسی معادلات و ساختار مدل
3-1 فرضیات انجام گرفته .............................................................................................................................................36
3-2 معادلات سرعت....................................................................................................................................... 37
3-2-1 معادلات مصرف سوبسترا................................................................................................................ 37
3-2-2 معادله سرعت پدیده خود-اکسایی میکروبهای فعال...................................................................... 40
3-2-3 معادله سرعت غیر فعال شدن میکروبهای فعال. 41
3-3 معادله بقای جرم سوبسترا در بیوفیلم. 41
3-4 بررسی ضریب انتقال جرم خارجی.. 43
3-5 معادله بقای جرم سوبسترا در حجم مایع کاتولیت... 44
3-6 معادله پتانسیل الکتریکی و قانون اهم. 45
3-7 بررسی مقاومتهای اهمی.. 47
3-8 معادله بقای جرم زیست توده 48
3-9 نیم واکنشهای انجام گرفته در بخش آند و کاتد پیل سوختی میکروبی معکوس... 51
3-10 بررسی مدل مورد استفاده جهت تخمین پارامترهای طراحی ..................................................................51
3-11 روش حل عددی.. 52
3-11-1 روش تفاضلات محدود. 53
3-11-1-1 تفاضلات پیشرو.................................................................................................................. 53
3-11-1-2 تفاضلات پسرو................................................................................................................... 53
3-11-1-3 تفاضلات مرکزی................................................................................................................ 53
فصل چهارم: نتایج به دست آمده و تجزیه و تحلیل آنها
4-1 بررسی شرایط مرجع.............................................................................................................................. 57
4-2 اثر تغییر پتانسیل کاتد و غلظت سوبسترا در حجم مایع....................................................................... 61
4-3 مقایسه مقادیر واقعی با مقادیر حاصل از مدلسازی........................................................................................68
4-4 جمع بندی و نتیجه گیری..................................................................................................................... 69
4-4 پیشنهادات.............................................................................................................................................. 71
منابع و مراجع.............................................................................................................................................. 72
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