Backwash water and net water production in dual filters : A case study in al-wathba water treatment plant (civil engineering, sanitary eng.)
Joint Authors
al-Bayati, Batul Muhammad
al-Saqqar, Awatif Suadid Abd al-Hamid
Source
University of Sharjah Journal of Pure and Applied Sciences
Issue
Vol. 5, Issue 2 (30 Jun. 2008), pp.25-39, 15 p.
Publisher
Publication Date
2008-06-30
Country of Publication
United Arab Emirates
No. of Pages
15
Main Subjects
Earth Sciences, Water and Environment
Topics
Abstract AR
في هذه الدراسة تم اختبار المرشح الثنائي لزيادة كمية الماء المنتج من المرشحات في مشاريع تصفية المياه.
اختيرت صخور البورسيلينايت لتكون وسط ثنائي مع الرمل في التجارب العملية.
تطلب العمل إنشاء منظومة ترشيح في موقع المرشحات لإحدى محطات تصفية المياه في مدينة بغداد.
تتكون المنظومة من ثلاث أعمدة ترشيح تعمل بشكل متواز و في آن واحد, بحيث احتوى العمود الأول على 70 سم من الرمل و الثاني و الثالث على مرشح ثنائي من البورسيلينيايت و الرمل و بأعماق مختلفة.
أظهرت النتائج بأن حجم الماء المطلوب للغسل في المرشحات الثنائية أقل من حجم الماء المطلوب لغسل مرشحات الرمل بحوالي 22 إلى 36 % و ذلك لقلة معامل الانتظام (Uniformity Ceofficient) للبورسيلينيايت و لقطره الفعال الكبير (Effective Size).
و أن الإنتاج الصافي للماء تراوح بين 3 إلى 70 % أكثر في المرشحات الثنائية عن مرشحات الرمل و ذلك لزيادة طول فترة الترشيح فيها.
كذلك أظهرت النتائج بأن المرشحات الثنائية كفؤة لإزالة العكارة و البكتريا و ذلك للطبيعة المسامية للبورسيلينيايت التي تستوعب كميات كبيرة من المواد العالقة.
Abstract EN
The dual filter was tested in this study to increase the quantity of water production from the filters in water treatment plants.
Porcelains, which is one of the local materials, was selected to be the filter medium with sand in the experimental work.
The work required installing a pilot filtration unit in the location of the filters in one of the water treatment plants in Baghdad city.
The pilot filtration consisted of three plastic column filters, acting in parallel and simultaneously.
The first contained 70 cm sand, the second and third were dual filters of different arrangements.
The results showed that the dual filters had better performance than sand filters.
About 22 to 36% less volume of water was required to wash the dual filters due to the low uniformity coefficient (UN) of porcelains and its large effective size.
The net water production (NWP) varied between 3 to 70% more than that produced from sand filters, because of the long filter runs.
The results also showed that the dual filters were better in turbidity and bacterial removal, where in porcelains the sponges specula retained larger amounts of suspended solids.
American Psychological Association (APA)
al-Saqqar, Awatif Suadid Abd al-Hamid& al-Bayati, Batul Muhammad. 2008. Backwash water and net water production in dual filters : A case study in al-wathba water treatment plant (civil engineering, sanitary eng.). University of Sharjah Journal of Pure and Applied Sciences،Vol. 5, no. 2, pp.25-39.
https://search.emarefa.net/detail/BIM-26508
Modern Language Association (MLA)
al-Saqqar, Awatif Suadid Abd al-Hamid& al-Bayati, Batul Muhammad. Backwash water and net water production in dual filters : A case study in al-wathba water treatment plant (civil engineering, sanitary eng.). University of Sharjah Journal of Pure and Applied Sciences Vol. 5, no. 2 (Jun. 2008), pp.25-39.
https://search.emarefa.net/detail/BIM-26508
American Medical Association (AMA)
al-Saqqar, Awatif Suadid Abd al-Hamid& al-Bayati, Batul Muhammad. Backwash water and net water production in dual filters : A case study in al-wathba water treatment plant (civil engineering, sanitary eng.). University of Sharjah Journal of Pure and Applied Sciences. 2008. Vol. 5, no. 2, pp.25-39.
https://search.emarefa.net/detail/BIM-26508
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 37-39
Record ID
BIM-26508