Illustrative annual scale Research-based ranges
Estimates from published industry and research ranges. Confirmed in your assessment.
Sargassum intercepted (wet tonnes / year)-
Biochar produced (dry tonnes / year)-
Carbon-removal credits (t CO2e / year)-
Gross revenue, biochar + credits (USD / year)-
Operating cost (USD / year)-
Illustrative net revenue (USD / year)-
Indicative facility investment: $400K–$3M turnkey for a 10–20 ton/day line. Payback depends on facility size, financing, and feedstock mix (for example, adding tires), confirmed in your assessment.
Basis & sources
- Sargassum is ~82% moisture with a ~64% dry-mass biochar yield (direct pyrolysis), about 0.12 t biochar per wet tonne. MDPI techno-economic study
- Biochar sells for ~$400–$700/t (bulk agricultural); carbon-removal credits ~$100–$250/t CO2. Carbon-credit pricing, 2026
- Operating cost ~$30–$80 per ton processed, with a 35–45% gross-margin industry benchmark. Pyrolysis plant cost guide
- Credits shown use the voluntary biochar market (Puro.earth, Climate Action Reserve). Federal 45Q eligibility for solid biochar is unverified and not assumed here. Biochar for agricultural use requires arsenic and heavy-metal testing first.
- The interception rate per km is an operational planning assumption, not a measured figure. All values are illustrative; no commercial sargassum-pyrolysis plant is operating yet.