Question

Problem-1) The solids test results for 150 mL wastewater sample are: Item Weight (g) Clean dish 42.61 Dry filter 1.55 Dish and total dry solid after evaporation 42.66 Dish and dry filtered solids 44.19 Dish and residue solids after burning on 600°C 42.64 Dish and residue after burning filtered solids on 44.18 600°C Find the Total, Total Dissolves, Total Suspended, Total Volatile, Total Fixed, Volatile Suspended, Fixed Suspended, Volatile Dissolved and Fixed Dissolved solids in mg/L,

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Answer 1

v=isom (و) 1:55 gm gom clear dish, wi= 42-6) gm Dry Filter, W2 = Dish and total dry solid after evaporation = 42.66 W] Dish and dry tiltered solids, Wq = 44.19 gm Dish and residue solids after burning in 600c Ws=42.64 gm Dish and residue after burning filtered Solids on Gooc - 44-18 gm (W3-01) (42-66–42-61) a (1) Total Solid ,TS = الار iso m2 - 333.33 mg L زولا - الا - مه ) TS li) Total suspended solid, (44-15 -42-61–1:55) Iso 200 mg - L Dissolved solid / TPS: TS-TSS (!!!) Total - (333-33-200mg 133.33 mg L riy Total Fined solid, Tts = (WJ-Wy) V 42-64 – 42-11) 11 150 ML = 200 mg L CS Scanned with CamScanner

(v) Total Volatile solid, TVS = TS-TFS (333-33-200) mele 133.33 m my/ (V12 (W6W,W2) Fined Suspended folid, FSS = (44-18-42-61-1055] mg 150 133-33 mili TSS-FSS (viiVolatile Suspended fotel, Vss = (200 –133-33) med 66.67 m. mg/L (viiing Volatile Dissolved solid, vos = TVS - VSS (133-33-66-679m) 66.67 mg/L (7x) fined Dissolved solid, FDS = TDS-EDS (33-33-66.67) M/L 66-67 mg/l CS Scanned with CamScanner