Abstract: A facility is provided in a telecommunications network which transforms a particular type of telephone call connection, e.g., a connection carrying a call placed to a source of information at the point that it enters the network into a digital network connection extending to the back end of a services platform and interfacing with the called destination. Advantageously, then, a voice connection that is typically established via the telecommunications network to an information source is replaced by an inexpensive digital connection and an information services unit.

Abstract: Waste water containing dissolved acid-gas and ammonia impurities is processed for the separate recovery of the acid gas, ammonia and recycle water. In a further aspect, a purified pyrolysis gas is produced by treating a raw pyrolysis gas product stream utilizing the aforementioned recycle water and a pair of coupled acid-gas-absorber and acid-gas-stripper columns.