desulfurize
C2Technical, Scientific, Industrial
Definition
Meaning
To remove sulfur or sulfur compounds from something (such as fuels, metals, or gases).
To undergo or carry out a chemical or industrial process that eliminates sulfur content to reduce pollution, prevent corrosion, or meet quality standards.
Linguistics
Semantic Notes
Primarily a transitive verb used in engineering, environmental science, and petrochemical contexts. The process is often called desulfurization. The spelling 'desulphurize' is chiefly British.
Dialectal Variation
British vs American Usage
Differences
Spelling: British English prefers 'desulphurise'/'desulphurize', American English uses 'desulfurize'. The 'ph' spelling is considered dated but correct in British contexts.
Connotations
Technological advancement, environmental regulation compliance, industrial hygiene.
Frequency
Low frequency in general language but standard in technical fields like chemical engineering and environmental policy.
Vocabulary
Collocations
Grammar
Valency Patterns
NP ___ NP (The plant desulfurizes the flue gas.)NP be ___ed (The fuel was desulfurized.)NP ___ NP of NP (They desulfurized the gas of its impurities.)Vocabulary
Synonyms
Strong
Neutral
Weak
Vocabulary
Antonyms
Phrases
Idioms & Phrases
- “None”
Usage
Context Usage
Business
Refers to the cost and technology required for regulatory compliance in energy sectors.
Academic
Used in research papers on environmental chemistry, catalysis, and pollution control.
Everyday
Virtually never used outside of news reports about environmental technology.
Technical
Standard term in chemical engineering, petroleum refining, and emission control system design.
Examples
By Part of Speech
verb
British English
- The new refinery will desulphurise the crude oil more efficiently.
- Regulations require us to desulphurise all industrial emissions.
American English
- The company invested millions to desulfurize its natural gas pipeline.
- Catalysts are used to desulfurize diesel fuel.
adverb
British English
- Not standardly used.
- Not standardly used.
American English
- Not standardly used.
- Not standardly used.
adjective
British English
- The desulphurising unit is offline for maintenance.
- They installed desulphurisation technology.
American English
- The desulfurizing process is highly efficient.
- Desulfurization costs are significant for coal plants.
Examples
By CEFR Level
- (Not applicable for this technical word at A2.)
- Some factories must clean their smoke to remove bad chemicals; this is called desulfurizing.
- Modern cars run on fuel that has been desulfurized to reduce air pollution.
- The environmental agency mandated that the plant desulfurize its emissions.
- Hydrotreating is a catalytic process used extensively to desulfurize petroleum fractions in refineries.
- The economic viability of coal-fired power stations hinges on their ability to efficiently desulfurize flue gases to meet emission caps.
Learning
Memory Aids
Mnemonic
Think: DE-SULFUR-IZE. 'DE' means remove, 'SULFUR' is the element, 'IZE' means to make. So, 'to make sulfur removed'.
Conceptual Metaphor
CLEANSING / PURIFICATION (Sulfur is an impurity to be washed away).
Watch out
Common Pitfalls
Translation Traps (for Russian speakers)
- Do not confuse with 'десульфатировать' (desulfate, removing sulfates). Russian equivalent is 'обессеривать' or 'удалять серу'.
- The suffix '-ize' corresponds to Russian '-ировать' or '-изовать' (обессеривать/десульфировать).
Common Mistakes
- Spelling: 'desulphurise' vs. 'desulfurize'.
- Using it intransitively (incorrect: 'The fuel desulfurizes.').
- Confusing with 'desalinate' (remove salt).
Practice
Quiz
What is the primary purpose of desulfurization?
FAQ
Frequently Asked Questions
No, while most common for fuels (oil, gas, coal), it can also apply to metals, molten iron (in steelmaking), and certain chemical feedstocks.
The noun is 'desulfurization' (or 'desulphurisation' in British English).
It is a specialized technical term. You will encounter it in engineering, environmental science, and energy industry contexts, but not in everyday conversation.
Rarely. It's primarily an industrial/chemical term. Biological processes might be described as 'metabolizing sulfur compounds' or 'sulfur reduction'.