Interactive Calculator
Waste-Saving Calculator
Model the annual variable-cost saving of treating organic waste on-site with subcritical water hydrolysis — versus sending it all to landfill.
Changing currency only swaps the symbol — values are not converted. Enter all figures in the selected currency.
A · Throughput
Advanced
34
Cycles / day
102
Tonnes / day
714
Tonnes / week
37,128
Tonnes / year
Partial cycles are dropped (cycles/day is rounded down).
B · Waste volume & current (before) cost
Following modelled throughput (37,128 t/yr). Edit to model a subset.
Before cost (landfill only): $8,168,160 / year
C · After Subcritical Water Hydrolysis processing & output
Mass reduces to 65% of input (24,133.2 t output from 37,128 t input).
Residual solids always incur the landfill cost per tonne.
Residual disposal cost: $5,309,304 / year
D · Subcritical Water Hydrolysis fuel (running) cost
Fuel cost: $745,035 / year(12,376 cycles × 43 L × $1.40)
E · Resale revenue (offtake)
Resale revenue is optional and should be validated against your local market before relying on it.
Before — landfill only
$8,168,160
After — Subcritical Water Hydrolysis
$6,054,339
Breakdown
- Residual disposal$5,309,304
- Fuel cost$745,035
- Less resale revenue−$0
Annual saving
$2,113,821
−25.9% reduction
Before (landfill only)$8,168,160
After (Subcritical Water Hydrolysis)$6,054,339
Assumptions: mass reduction to 65% of input; split mode assumes 10% precipitate / 90% liquid of the output; variable costs only — excludes capex, labour, water, and maintenance. Figures are estimates for comparison only.
Remarks: these figures are for reference only. Actual results vary with your site, waste stream, energy prices, and local disposal rates. Request a site-specific assessment before relying on them for any decision.
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