Waste gas purificn. plant for entire district - receives gas from flats factories through above or below ground piping with resultant economy

摘要

A waste gas purificn. plant is arranged to receive waste gas from a number of separate sources within a district, e.g. blocks of flats, industrial units or power stations. Pref. the gas is conducted to the plant through above-ground or underground lines, esp. making partial use of existing tunnels or duts.