NOVELTY - The process for humidifying syngas for the coproduction of chemicals and power, comprises reacting a carbonaceous material with oxygen, water or carbon dioxide to produce a raw syngas (3) stream comprising hydrogen, carbon monoxide and carbon dioxide, combining the raw syngas stream with a diluent to produce a diluted syngas stream comprising 10-60 moles of diluent per 100 moles of the raw syngas stream, passing the diluted syngas stream to a radiant heat exchanger to produce a cooled syngas stream, and contacting cooled syngas stream with liquid water to produce a humidified syngas stream.    USE - The process is useful for humidifying syngas for the coproduction of chemicals and power.    ADVANTAGE - The process is capable of easily humidifying the syngas thus efficiently recovering thermal energy from the raw syngas while retaining the ability to control the amount of water.    DETAILED DESCRIPTION - The process for humidifying syngas for the coproduction of chemicals and power, comprises reacting a carbonaceous material with oxygen, water or carbon dioxide to produce a raw syngas (3) stream comprising hydrogen, carbon monoxide, and carbon dioxide, combining the raw syngas stream with a diluent to produce a diluted syngas stream comprising 10-60 moles of the diluent per 100 moles of the raw syngas stream, passing the diluted syngas stream to a radiant heat exchanger to produce a cooled syngas stream, contacting the cooled syngas stream with liquid water to produce a humidified syngas stream, and passing up to 100 vol.% of the humidified syngas to a water-gas shift reactor to produce a shifted syngas stream comprising additional hydrogen and carbon dioxide. An amount of the diluent is combined with the raw syngas stream to produce a molar ratio (1:1-3:1) of water:carbon monoxide in the humidified syngas stream, where the ratio varies in response to a downstream syngas requirement. The carbonaceous material comprises methane, petroleum residuum, coal, coke, lignite, oil shale, oil sands, peat, biomass, petroleum refining residues, petroleum cokes, asphalts, vacuum resid and/or heavy oils. When the carbonaceous material comprises methane, it is reacted with water in a reformer, and when the carbonaceous material comprises coal or petroleum coke, it is reacted with oxygen in a gasifier (4). The carbonaceous material is further reacted in partial oxidizer. The amount and/or temperature of the diluent combined with the raw syngas stream varies in response to the downstream syngas requirement. A pressure of the cooled syngas steam varies in response to the downstream syngas requirement. The raw syngas has a temperature of 1000-2000 degrees C. The temperature of the diluent is lower than the temperature of the raw syngas stream. The step of contacting the cooled syngas with liquid water is carried in a water quench system having influent and effluent flows of water. An amount of the influent and/or effluent flows of water varies in response to the downstream syngas requirement. The downstream syngas requirement comprises a feedstock requirement for a chemical process and/or a fuel requirement for a power producing process. The power producing process comprises a combined cycle system. The shifted syngas stream (up to 100 vol.%) is passed to the chemical process to produce methanol, alkyl formates, dimethyl ether, oxo aldehydes, ammonia, methane and/or Fischer-Topsch products. The chemical process comprises a process for methanol, alkyl formates, dimethyl ether, oxo aldehydes, ammonia, methane, hydrogen and/or Fischer-Topsch products and/or a water-gas shift process. The amount of diluent combined with the raw syngas stream is chosen in response to a syngas feedstock requirement for the chemical process.    DESCRIPTION OF DRAWING(S) - The diagram shows a process for producing humidified syngas.    Carbonaceous feedstock (1)    Oxidant stream (2)    Raw syngas (3)    Gasifier (4)    Gas cooling section. (10)