Hydrofluoric acid: Emissions

Low carbon to make, but the F-gases come after

What this tab covers The greenhouse-gas footprint per tonne, split by lifecycle phase (feedstock, production, movement, use, end of life), the global total, other environmental impacts, levers and low-carbon routes, India's position, and where the investment opportunity lies. Emission intensity 0.75 t CO2e per t range not published · fully loaded, cradle-to-gate Global emissions per year 2.30 Mt CO2e per year 2025 · 0.75 t/t x about 3 Mt HF; excludes downstream F-gas emissions

Per t of anhydrous HF, cradle-to-gate including fluorspar supply. Intensity: Thunder Said Energy HF economics model via fluorspar tile (indicative). Global total: Fluorspar tile (derived).

Share of footprint by lifecycle phase

Feedstock 44% Production / process 51% Movement 5%

Footprint by lifecycle phase

Phase	Intensity	Share	Main sources of emissions	Notes	Source
Feedstock	about 0.33 t CO2e per t HF	44%	Fluorspar mining and flotation (about 2.15 t per t HF) and sulphuric acid (2.6 t)	Indicative split	Indicative
Production / process	about 0.38 t CO2e per t HF	51%	Kiln heating by gas or oil, distillation	Electrified kilns would cut this	Indicative
Movement	about 0.04 t CO2e per t HF	5%	Shipping fluorspar from Mexico, Mongolia, South Africa	Indicative	Indicative
Use	outside the cradle-to-gate total; can be very large	–	HFC leakage from equipment; HFC-23 by-product at HCFC-22 plants (GWP 14,600)	Downstream fluorocarbon emissions dwarf HF production emissions	Indicative
End of life	not applicable to HF	–	Refrigerant recovery and destruction; PFAS persistence	Fluorine is mostly dissipated; EU recycling input 1%	EU CRM 2023 via fluorspar tile

Other environmental impacts

Acute toxicity in accidents; anhydrite waste; PFAS persistence from fluoropolymer manufacture and some fluorochemicals; HFC-23 and other F-gas emissions downstream.

Levers to cut emissions

Using FSA from phosphate plants instead of mined fluorspar
Electric or heat-pump assisted kiln heating
HFC-23 destruction at HCFC-22 plants (mandated in India since 2016)
Refrigerant recovery and reclamation to cut virgin HF demand
Using anhydrite in cement and plaster

India

India's HF footprint is small, but its fluorochemical makers carry Kigali and HFC-23 obligations; India mandated HFC-23 capture and destruction in 2016. Plant-level HF emission data were not found.

Emission figures are indicative global averages from the life-cycle studies named; actual footprints vary widely by site, energy mix and method.

Low-carbon routes

Route	Intensity	Cost premium	Status	Source
FSA-to-HF from phosphate by-product	not published; avoids mining and some acid use	can be lower cost where FSA is available (indicative)	Aurora, North Carolina plant; Chinese phosphate groups (indicative)	USGS MCS 2026

For a climate investor The climate impact of HF is mostly downstream: refrigerant leakage and by-product F-gases. Opportunities are in refrigerant reclamation, low-GWP HFO and natural refrigerant systems, FSA-based fluorine supply from Indian phosphate plants, and non-Chinese LiPF6 and electronic-grade HF. Navin Fluorine, SRF and Gujarat Fluorochemicals are expanding in India; the case depends on secure acidspar supply and on PFAS rules in export markets.