# Leblanc process

> English word · Proper noun

## Definitions
1. An early industrial method of producing sodium carbonate. It involved two stages: production of sodium sulfate from sodium chloride, followed by reaction of the sodium sulfate with coal and calcium carbonate to produce sodium carbonate.

## Etymology
From Nicolas Leblanc, French chemist and surgeon.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/leblanc-process