perhitungan sludge drying bed.docx

2
Perhitungan Sludge Drying Bed td (hari) 15 hl (m) 1.8 n 2 S dasar bak 0.005 d pipa drain (m) 0.2032 p (m) 15 Kedalaman media tanah dan kerikil (m) 0.45 Freeboard (m) 0.2 Jumlah Lumpur dari Unit Sedimentasi (V Ls ) V Ls =n s ×Q Ls ×td V Ls =2 × ( 17,93 m 3 15 jam × 24 jam 1 hari ) × 15 hari=537,93 m 3 Jumlah Lumpur per Bak (V Lb ) V Lb = V Ls n V Lb = 537,93 2 =268,96 m 3 Luas Permukaan Bak (A s ) A s = V Lb h L A s = 268,96 1,8 =149,42 m 2 Lebar Bed (l) media ES (mm) H (mm) pasir halus 0.4 150 pasir kasar 0.6 75 kerikil halus 5 75 kerikil sedang 20 75 kerikil kasar 40 75

Upload: yoanne-maretha-siswaya

Post on 19-Feb-2016

175 views

Category:

Documents


25 download

TRANSCRIPT

Page 1: Perhitungan Sludge Drying Bed.docx

Perhitungan Sludge Drying Bed

td (hari) 15hl (m) 1.8n 2S dasar bak 0.005d pipa drain (m) 0.2032p (m) 15Kedalaman media tanah dan kerikil (m) 0.45Freeboard (m) 0.2

Jumlah Lumpur dari Unit Sedimentasi (VLs)

V Ls=ns×QLs×td

V Ls=2×( 17,93m3

15 jam× 24 jam

1hari )×15hari=537,93m3

Jumlah Lumpur per Bak (VLb)

V Lb=V Ls

n

V Lb=537,93

2=268,96m3

Luas Permukaan Bak (As)

A s=V LbhL

A s=268,96

1,8=149,42m2

Lebar Bed (l)

l=A sp

l=149,4215

=9,96m

Kapasitas Bak Sebenarnya (Vbak)

media ES (mm) H (mm)pasir halus 0.4 150pasir kasar 0.6 75kerikil halus 5 75kerikil sedang 20 75kerikil kasar 40 75

Page 2: Perhitungan Sludge Drying Bed.docx

V bak=p×l×h

V bak=15×9,96×1,8=268,96m3