Description

Given the superficial area of the filter, the washing time, and the desired ascending velocity, the required water washing volume is calculated.

Formula

Where:

• $V_l$ = washing volume $\text{(m³)}$
• $A$ = superficial area of the filter $\text{(m²)}$
• $U_a$ = ascending velocity $\text{(m/min)}$
• $t$ = washing time $\text{(min)}$

Inputs

Parameter	Standard units	Description
Ascending velocity ($U_a$)	m/min	Desired ascending velocity
Superficial area ($A$)	m²	Superficial area of the filter
Washing time ($t$)	min	Duration of washing

Outputs

Parameter	Standard units	Description
Washing volume ($V_l$)	m³	Total water volume for washing