1 / 39

SANITARY ENGINEERING DEPARTMENT CIVIL ENGINEERING WASTEWATER ENGINEERING .

???????? ???????? ( ???????? ?????????? )Secondary (Biological ) Treatment

auberta
Download Presentation

SANITARY ENGINEERING DEPARTMENT CIVIL ENGINEERING WASTEWATER ENGINEERING .

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

    1. ??? ??????? ?????? SANITARY ENGINEERING DEPARTMENT ??? ??????? ??????? CIVIL ENGINEERING  ????? ?????? ????? ????? ????? WASTEWATER ENGINEERING ?.?/ ???? ??? ?????????

    2. ???????? ???????? ( ???????? ?????????? ) Secondary (Biological ) Treatment … ???? ???????? ???????? ????????? ?????????? ??????? ??? ??????? ????? ??? ???????? ????? ??????? ?? ????? ?????? ???? ????? ?? ?????? ??????? ??????? ???????? ??????? ????? ????? ????? ??? ????? ???????? ?????????? . ??????? ?? ??? ?????? ??????? ?? ??? ????? ?? 50% ?? ????? ??????? ????????? , ??? ?? ??? ???????? ?????? ???????? ?? ????? 40% , ???? ????? ??? ???? ?? ?????? ????? ??????? ????????? ?? ?????? ??????? ????????? ??? ???? ??????? ????? ???? ?????? ??????? ???? ???? ??? ?????? ????? ???????? ?????????? ?? ??? ?????? ??????? ?? ?? ????? (20- 25) % ?? ???? ?????? ??????? ??????? ????????? ?????????? ?? ????? ????? ????? ????? ???????? ??????? ???? ?????? ??????? ??????? ???????? ????.

    3. ???? ???????? ????? ??????? ?? ?????? ???????? ???????? Activity of Microorganisms in the Aerobic Treatment ?????? ???????? ????? ??????? ????? ?????? ?? ???? ????? ?????, ????? ?????? ??????? ????? ???? ???????? ?????? ?? ???? ???? ?????? ????? . ??????? ???? ???? ?? ??? ????? ???????? ????? ??????? : ???? ???????. ( 5 – 35 ) ???? ?????. ???????? ?????? ?? ?????? (DO). ???? ??????????? (pH). ( 6.50- 8.50 ) ????? ??????? ???? ????? ????? ??? ????????……. (C/N/P) Carbon, Nitrogen, Phosphorus. ???? ???? ???? ??? ????? ??? ???? ???????? ???????.

    4. ??? ???????? ?????????? Methods of Biological Treatment ???? ??? ????? ???????? ?????????? ?????? ?? ??? ?????? ?????? ?????? ??????? ??? : ???????? ?????????? (?????? ?????) Trickling Filters……….. ????? ?????? ??????? Activated Sludge Tanks……………… ??????? ??????? ?? ??????? Extended aeration Tanks……. ??????? ??????? ?????? ??????? (Oxidation Ditch) Extended aeration  

    5. ????:???????? ?????????? Trickling Filters……… ????? ???? Biological filter ?? ???? Aerobic fixed film reactor ????? ??? ??????? ?? ????? ???? ???? ?? ???????? ??????? ?? ????? ?????, ????? ??? ??????? ?????? ?? ??? ????? ?? ??????? ?????? ?????? ????? ???? ?????? ?????? ???? ?? ????????? ?? ????? ?? ???????? ????? ?????? ????? ??? ?????? (fixed film media) ??? ??? ??????? ??? ??????? ?? ?????? ???????? ?? ??? 1910??????? ?????? ??? ????. ????? ????? ??????? ??? ????? ?????? ?????? ?????? ????? ???? ????? ????? ?????? ??????? ????? ?????? ?? ?????? ????? ??? ??? ?????? ?????? ????? ????? ?? ??????? ?????? ??? ???? ??? ?????? ???? ??????, ?????? ??? ??????? ?????????? ???????? ??????? ??? ???????? ????????? ????????? ????????? ??????. ?????? ?????? ?????? ??? ??? ?????? ???? ????? ??? ??? ?????.

More Related