Anaerobic Digestion Biogas Yield and Ammonia Inhibitor Threshold Calculator

Quick Answer

Calculate Anaerobic Digestion Biogas Yield and Ammonia Inhibitor Threshold Calculator

Result Interpretation

Anaerobic Digestion Biogas Yield and Ammonia Inhibitor Threshold Calculator computes Biogas Yield and Inhibitor Threshold Index in dimensionless using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

Volatile Solids Content = 0.06
Total Ammonia Nitrogen = 1800
Slurry pH = 7.6

Expected Result:

Biogas Yield and Inhibitor Threshold Index = 0.037824408800597

Engineering Interpretation:

Under the given input conditions, the calculated result is: Biogas Yield and Inhibitor Threshold Index = 0.037824408800597 dimensionless.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.

Formula / Method

biogas yield and inhibitor threshold index = (0.35 * volatile solids content) * (1 - 0.0012 * pow(10, (slurry ph - 7.0))) + (0.00042 * total ammonia nitrogen * pow(10, (slurry ph - 9.25)))

Formula family: formula_bioenergy_anaerobic_digestion_biogas_yield_inhibitor_threshold_calculator

Variables

Symbol	Label	Role	Description
Volatile Solids Content	Volatile Solids Content	INPUT	Volatile Solids Content
Total Ammonia Nitrogen	Total Ammonia Nitrogen	INPUT	Total Ammonia Nitrogen
Slurry pH	Slurry pH	INPUT	Slurry pH
Biogas Yield and Inhibitor Threshold Index	Biogas Yield and Inhibitor Threshold Index	OUTPUT	Biogas Yield and Inhibitor Threshold Index

Calculation Steps

Enter the volatile solids content in kg_VS/kg_feed.
Enter the total ammonia nitrogen in mg_TAN/L.
Enter the slurry ph in dimensionless.
Step 1: Compute biogas yield and inhibitor threshold index.
Read the biogas yield and inhibitor threshold index (dimensionless) from the results.

Engineering Summary

Calculate Anaerobic Digestion Biogas Yield and Ammonia Inhibitor Threshold Calculator

Frequently Asked Questions

What does this calculator calculate?

The Anaerobic Digestion Biogas Yield and Ammonia Inhibitor Threshold Calculator estimates Biogas Yield and Inhibitor Threshold Index based on the input parameters you provide

Why is volatile solids content important in this calculation?

volatile solids content is directly proportional to biogas yield and inhibitor threshold index. When you enter volatile solids content in kg_VS/kg_feed, the calculator uses it in the engineering formula to compute the output

How should I interpret the result biogas yield and inhibitor threshold index?

The calculator outputs biogas yield and inhibitor threshold index in dimensionless. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: Volatile Solids Content (kg_VS/kg_feed), Total Ammonia Nitrogen (mg_TAN/L), Slurry pH (dimensionless). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment