Burning wood sounds simple, but it’s actually a surprisingly complicated process involving six discrete stages, during which the solid wood is gradually converted into flammable gases, which are then oxidised to produce heat.

Catalytic converters are a very effective technology to reduce fumes emitted from foodstuffs during cooking They can reduce emissions from most types of oven, including unpleasant smells as well as suspended grease particles.

Solid fuel cooking appliances such as charcoal ovens, tandoori ovens and wood-fired pizza ovens are becoming increasingly popular in restaurants these days, but it is very important to deal adequately with the fumes they emit.