امکان‌سنجی استفاده از تکنولوژی وتلند در تصفیة بیولوژیک فاضلاب روستاهای استان تهران

نوع مقاله : پژوهشی

نویسندگان

1 دانشیار دانشکدۀ علوم و فنون نوین، دانشگاه تهران

2 کارشناس ارشد مهندسی محیط زیست (آب و فاضلاب)، دانشگاه آزاد اسلامی واحد تهران غرب

3 دانشجوی کارشناسی ارشد مهندسی اکوهیدرولوژی، دانشکدۀ علوم و فنون نوین، دانشگاه تهران

چکیده

فناوری وتلند با استفاده از گیاهان و میکروارگانیسم‏های طبیعی، روشی مؤثر برای حذف آلاینده‏ها از فاضلاب است. در سال‏های اخیر، توجه به فرایندهای تصفیۀ بیولوژیکی برای تصفیۀ فاضلاب در بخش‏های روستایی و کشاورزی، به‏ویژه در کشورهای در حال توسعه، افزایش یافته است. تأسیسات فاضلاب روستایی، نقش مهمی در ارتقای سلامت عمومی و حفاظت از محیط زیست در مناطق روستایی دارد. فناوری وتلند به عنوان روشی مناسب برای تصفیۀ بیولوژیکی فاضلاب در این مناطق مورد توجه قرار گرفته است. تمرکز این مطالعه بر امکان ‏سنجی اجرای وتلند‏ها در روستاهای استان تهران است. مدل‏ها و روش‏های بهره‏برداری از وتلند در سراسر جهان و ایران جمع‏آوری شد و مدل‏های مفهومی بر اساس استانداردهای ایران طراحی شد. لایه‏های داده بر اساس سه معیار کلیدی، عوامل فنی، اجتماعی‌ـ اقتصادی و محیطی طبقه‌بندی شدند. نقشه‏ های مربوطه با استفاده از سیستم اطلاعات جغرافیایی (GIS) توسعه یافتند و روی هم قرار گرفتند. یافته‏ها بیانگر آن است که تقریباً 49 روستا که عمدتاً در نیمۀ غربی استان تهران واقع شده‏اند، بیشترین تناسب را برای احداث وتلند نشان می‏دهند. از میان این روستاها، 12 روستا از سوی ادارۀ آب و فاضلاب روستایی استان تهران برای توسعۀ سیستم‏های تصفیۀ فاضلاب در اولویت قرار دارند که فناوری وتلند به عنوان گزینۀ مطلوب توصیه می‏شود.

کلیدواژه‌ها

موضوعات


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دوره 10، شماره 2
تیر 1402
صفحه 215-229
  • تاریخ دریافت: 21 دی 1401
  • تاریخ بازنگری: 11 بهمن 1401
  • تاریخ پذیرش: 27 اسفند 1401
  • تاریخ اولین انتشار: 01 تیر 1402
  • تاریخ انتشار: 01 تیر 1402