Scrubber Design Calculation Excel Best !exclusive! <100% CERTIFIED>
in general can handle both particulate matter and gaseous pollutants simultaneously, making them versatile when your gas stream contains multiple contaminant types.
Use conditional formatting to highlight design flaws. For instance, if the calculated operating velocity exceeds 80% of flooding velocity, program the cell to turn bright red with a text warning: "WARNING: Tower Flooding Risk" . 4. Example Scrubber Calculation Walkthrough
The industry standard for acid gas scrubber design procedures. Sly Inc. Application Guide Excellent for understanding sizing based on shell velocity. Torch-Air Technical Blog Provides detailed breakdowns of the heat balance and ratio formulas. Sly Air Pollution Control Are you designing this for a specific contaminant cap N cap H sub 3 or dust) or a general-purpose ventilation system? Wet Scrubber Application Guide - Sly Inc.
The height of the packed bed determines how much contact time the gas has with the liquid. It relies on the concept of transfer units. scrubber design calculation excel best
where η is the scrubber's efficiency, C_in is the inlet concentration of pollutants (kg/m³), and C_out is the outlet concentration of pollutants (kg/m³).
Dedicate this sheet solely to user-defined entries. Use color coding to distinguish between manual inputs and calculated results.
Program the mathematical equations sequentially down the rows. Use cell naming components to make formulas readable. Excel Formula Logic =(Pres*MW_g)/(8.314*(Temp+273.15)) Converts operating states to actual density. Flow Ratio Factor ( Flvcap F l v ) =(L_mass/G_mass)*SQRT(Rho_g/Rho_l) Establishes the X-axis value for GPDC charts. Bed Area ( ) =Gas_ACFM/Target_Velocity Computes required physical footprint. Bed Height ( ) =LN(C_in/C_out)*HTU_value Calculates necessary structural media depth. in general can handle both particulate matter and
Venturi scrubbers require more sophisticated calculations due to the complex physics of droplet formation and particle capture. However, Excel can handle these equations effectively.
): Apply your safety/derating factor (e.g., 60% of flooding) to find the design velocity (
Designing a packed bed specifically for acid gas removal (like HCl). Core Engineering Parameters for Scrubber Design
Collect all input parameters regarding the waste gas stream and environmental regulations. Gas volumetric flow rate ( Vgcap V sub g Inlet gas temperature ( Tincap T sub i n end-sub ) and operating pressure ( Contaminant chemical identity and inlet concentration ( yiny sub i n end-sub , ppm or mole fraction) Target outlet concentration ( youty sub o u t end-sub ) or required removal efficiency ( , typically 95% to 99.9%) Step 2: Solvent Selection and Liquid-to-Gas (L/G) Ratio
While dedicated process simulation software exists, a well-structured Excel spreadsheet remains the best tool for daily engineering checks, rapid iterations, and clear documentation. 1. Core Engineering Parameters for Scrubber Design
