🍬→🥃 Sugar to Ethanol Calculator
Mode 1 (General Chemistry). Enter cane crushed (C, MT), sugar recovery fraction (S), and molasses fraction (M). Toggle advanced constants if needed.
Advanced constants
adjustable
E(L) = C×1000×S×(ηₛ/ρₑ) + C×M×Yₘₒₗ.
With defaults: ≈ C×(607.1×S) + C×(250×M).
Total ethanol (anhydrous)
From crystal sugar
From molasses
Excel cell
= A2*(1000*B2)*(0.48/0.789) + A2*C2*250
Python function
def ethanol_liters(cane_MT, sugar_frac, molasses_frac, eta_s=0.48, rho_e=0.789, Y_mol=250):
ethanol_from_sugar = cane_MT * 1000 * sugar_frac * (eta_s / rho_e)
ethanol_from_molasses = cane_MT * molasses_frac * Y_mol
return ethanol_from_sugar + ethanol_from_molasses
Sugarcane to Ethanol Calculator – Free Online Tool for Mills & Researchers : VS
Meta Description (SEO, 150–160 chars)
“Calculate ethanol yield from sugarcane and molasses instantly. Plug in cane crushed, sugar recovery, and molasses % to estimate liters of ethanol.”
Intro Paragraph
Ethanol production is at the heart of sugarcane processing, whether for fuel blending, beverage alcohol, or industrial use. To make planning easier, we built this Sugar → Ethanol Calculator. It lets you estimate how many liters of anhydrous ethanol you can obtain from:
- Crystal sugar diverted to fermentation
- Molasses generated during sugar production
This tool is free, transparent, and adjustable. You can input your mill’s real numbers (cane crushed, sugar % recovery, molasses %), and refine advanced constants like ethanol yield, density, or distillation losses.
How the Calculator Works
The calculator is based on standard chemical assumptions:
- ηₛ (sugar→ethanol yield): 0.48 kg ethanol per kg sugar (≈90% of theoretical).
- ρₑ (ethanol density @20 °C): 0.789 kg/L.
- Yₘₒₗ (molasses→ethanol yield): 250 L per MT molasses (adjustable with TRS data).
- Formula: Ethanol (L)=C×1000×S×ηsρe+C×M×Ymol\text{Ethanol (L)} = C \times 1000 \times S \times \frac{ηₛ}{ρₑ} + C \times M \times Yₘₒₗ where C = cane crushed (MT), S = sugar fraction, M = molasses fraction.
With default values, this simplifies to: Ethanol (L)≈C×(607.1×S)+C×(250×M)\text{Ethanol (L)} ≈ C × (607.1 × S) + C × (250 × M)
Why Use This Tool?
- Quick calculations for feasibility and project reports
- Transparency – every constant can be adjusted
- Practical defaults (based on real industrial yields)
- Educational value for students & researchers
- No signup, no cost – runs directly in your browser
Example Scenarios
- Case A (Mixed): 10,000 MT cane, S = 0.10, M = 0.04 → ≈ 707,100 L ethanol
- Case B (Molasses only): 10,000 MT cane, S = 0, M = 0.045 → ≈ 112,500 L ethanol
FAQ – Sugar to Ethanol Calculator
Q1. What inputs do I need?
You just need cane crushed (MT), sugar % recovery, and molasses % on cane.
Q2. Can I use percentages instead of fractions?
Yes, the tool accepts both (e.g., 10% = 0.10).
Q3. Is this suitable for molasses-only ethanol plants?
Yes – just set sugar recovery (S) to zero.
Q4. Can I adjust for distillation losses?
Yes – typically 1–3% loss for fuel-grade ethanol. Use the advanced settings.
Q5. Is this calculator valid for all sugarcane varieties?
It gives a good baseline estimate, but exact values depend on TRS, fermentation efficiency, and plant design.
Q6. Can I download or share results?
Yes – the widget allows printing and generating a shareable URL with pre-filled values.
Q7. Is this tool free?
Absolutely. It’s open and free to use on ethanolnews.in.
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