Definition

1. Noun:
   • Wet coal gas: A combustible gas mixture, primarily consisting of hydrogen and carbon monoxide, produced by passing steam over hot coke or coal. It is used as a fuel.

Usage Examples

• Noun:
  • Khí than ướt từng được sử dụng phổ biến cho đèn đường và bếp gas. (Wet coal gas was once commonly used for street lighting and gas stoves.)
  • Quá trình sản xuất khí than ướt tạo ra khí hydro và carbon monoxide. (The process of manufacturing wet coal gas produces hydrogen and carbon monoxide gas.)

Advanced Usage

• This term is primarily technical and historical, referring to a specific gasification process and its product, distinct from "khí than khô" (dry coal gas or coal gas).

Variants and Related Words

• Khí than (n): coal gas (a general term).
• Khí tổng hợp (n): syngas / synthesis gas (a broader modern term for gas mixtures containing hydrogen and carbon monoxide).
• Khí hóa than (n): coal gasification (the general process).

Synonyms

• Water gas: A very close synonym, often used interchangeably in technical contexts for the gas produced from steam and coke.
• Blue gas: An older synonym for water gas.

Related Technical Terms

• Khí producer: producer gas (a similar gas made by passing air and steam through coal/coke).
• Than cốc (n): coke (the porous carbon material used in the production of wet coal gas).