Translation guide
Calcination refers to heating a solid to high temperatures to bring about thermal decomposition, remove volatile substances, or cause phase transitions. In Japanese, the concept is expressed through specific technical terms depending on the field and process.
The process of heating a solid material to high temperatures to cause chemical or physical changes, such as removing volatile components or inducing decomposition.
The most direct and common translation for calcination in technical and industrial contexts. It refers to heating solids to high temperatures, often to remove volatile substances or cause decomposition.
Calcination of limestone yields quicklime.
Often used interchangeably with か焼, but can also refer to firing or baking in ceramics and materials processing. It emphasizes the heating process to achieve a desired material property.
The calcination temperature for ceramics is very high.
A less common kanji variant of か焼, sometimes used in older or specialized chemical texts. Same reading and meaning.
The ore is calcined to remove impurities.
Calcination as part of a named industrial process, such as in cement production, metallurgy, or catalyst preparation.
Refers to the calcination step or process in an industrial setting.
In cement manufacturing, the calcination process is crucial.
Literally 'thermal decomposition'. While broader than calcination, it is often used when the emphasis is on the chemical breakdown caused by heat.
Sometimes used in ceramics or metallurgy for a preliminary or partial calcination, often at lower temperatures.
The raw material is pre-calcined before the main firing.
Both can translate 'calcination', but か焼 is more strictly chemical (decomposition, volatile removal), while 焼成 is broader and includes firing for sintering or phase changes. In many industrial contexts they overlap.
Do not use 煆焼 unless you are sure it is the accepted term in a specific older document. か焼 is the modern standard.
Thermal decomposition of calcium carbonate produces calcium oxide.