A low-grade fuel gas consisting largely of nitrogen and carbon monoxide, formed by passing air, or air and steam, through red-hot carbon.
- ‘In the form of producer gas or water gas, it is widely used as a fuel in industrial operations.’
- ‘Large quantities of biomass are burnt for cooking and heating, while a small amount is converted to methane gas by an anaerobic digestion or to producer gas by pyrolysis.’
- ‘Charcoal gasifiers were generally more popular than wood gasifiers during the producer gas era in Sweden in the days of WW2.’
- ‘Producer gas is cheap and used as a fuel mainly in glass furnaces.’
- ‘A pilot facility was designed and installed to simulate the transport and use of hot, crude producer gas.’
We take a look at several popular, though confusing, punctuation marks.