Download free Excel spreadsheets for engineering calculations Low cost engineering calculations software available for convection heat transfer coefficients, pipe flow/friction factor calculations, partially full pipe flow calculations, watershed time of concentration, rational method, orifice and venturi meter flow rate calculations, open channel flow measurement, activated sludge wastewater ....

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Get PriceSizing Waste Water Neutralization System - posted in Industrial Professionals: Im attempting to design the neutralization system for a batch waste water neutralization process. The waste water will be recirculated through a 4" 250 gpm line. The line has a steam injector to heat-kill and organisms, a PHe to cool the water back down to acceptable temperature, and a series of injection quills to ...

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Get PriceActivated sludge waste water treatment calculations are made easy in U.S. or S.I. units with the Excel spreadsheets that can be downloaded through links in this article. The Excel formulas use parameters like biochemical oxygen demand (BOD), waste water flow rates, and total suspended solids concentrations to make activated sludge aeration tank design and operation calculations.

Get PriceActivated Sludge Calculations with Excel Harlan H. Bengtson, PhD, P.E. COURSE CONTENT 1. Introduction The activated sludge process is very widely used for biological wastewater treatment. This course includes background on biological wastewater treatment, a general description of the activated sludge process, information

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Get PriceExample MBBR Wastewater Treatment Design Spreadsheet. An example MBBR nitrification denitrification spreadsheet is partially shown in the two images below. This Excel spreadsheet can be used to calculate the required MBBR tank volume and dimensions, based on user input media information and wastewater design flow and characteristics.

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Get PriceActivated Sludge Calculations with Excel Harlan H. Bengtson, PhD, P.E. COURSE CONTENT 1. Introduction The activated sludge process is very widely used for biological wastewater treatment. This course includes background on biological wastewater treatment, a general description of the activated sludge process, information

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Get PriceWastewater Neutralization Calculations - U.S. units 1. Caustic Addition - (pH is too low and must be raised) Instructions: Enter values in blue boxes. Spreadsheet calculates values in yellow boxes

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