NOVELTY - A membrane-integrated hydration reactor comprises: a solid acid olefin hydration catalyst in a production zone; a hydrophilic membrane to selectively permit pervaporation of water one-way and not permit pervaporation of associated alcohol or permeation of olefin at olefin hydration process conditions in a separations zone; and production zone to form a product mixture made of associated alcohol and any unreacted water. The associated separations zone is operable to form and produce both the associated alcohol product and pervaporated water product from the product mixture.    USE - As membrane-integrated hydration reactor useful for production of alcohols (claimed) including butanols which are useful as gasoline fuel additives.    ADVANTAGE - The simultaneous production and separation processes occurring in each membrane-integrated hydration reactor directly produces a high-quality associated alcohols product that does not require additional processing before use. Additional processing downstream of the membrane-integrated hydration reactor can extract desirable alcohols from the product, including mixed butanols, and especially specific butanols, including iso-butanol. The pressure in production zone and pressure differential across hydrophilic membrane in separations zone drive several of the simultaneous processes that occur in membrane-integrated hydration reactor. Elevated pressure keeps the water and associated alcohols in the liquid phase and olefins in the vapor phase, allowing both gravity and buoyancy to not only separate the liquids from the gases but also to separate the immiscible liquids in the production zone product mixture into layer of associated alcohols and layer of water in separations zone. The condenser causes the formation of liquid water on permeate side of hydrophilic membrane, lowering the pressure on that side of hydrophilic membrane. Lowering the pressure on permeate side increases the pressure drive through hydrophilic membrane, removing additional water from feed side. Removal of water from water layer shifts the water/associated alcohol concentration away from equilibrium in layer of water, driving associated alcohols from layer of water into layer of associated alcohols. This further improves recovery of the associated alcohols and quality of the associated alcohols product. A partition between the production zone and the associated separations zone can permit maximization of local olefin hydration production properties in the production zone (high pressure) while permitting maximization of local production zone product mixture separation (e.g. maintaining a high-pressure gradient across the hydrophilic membrane). The partition maintains the coupling of the production zone with the associated separations zone.    DETAILED DESCRIPTION - A membrane-integrated hydration reactor operable to produce an associated alcohol product from an olefin using water, comprises: a solid acid olefin hydration catalyst operable to convert the olefin into an associated alcohol using water at olefin hydration process conditions; a hydrophilic membrane having a feed side and a permeate side, operable to selectively pervaporate water one-way from the feed side to the permeate side at olefin hydration process conditions, forming a pervaporated water product, and to prevent the pervaporation of associated alcohol and permeation of the olefin at olefin hydration conditions; and a production zone containing the solid acid olefin hydration catalyst, operable to both receive an olefin feed containing the olefin and a water feed containing the water such that the olefin and the water intimately intermingle in the presence of the solid acid olefin hydration catalyst contained in the production zone and to form a production zone product mixture comprising the associated alcohol and any unreacted water and pass the production zone product mixture to an associated separations zone. The associated separations zone containing the hydrophilic membrane, is fluidly coupling to the production zone such that the production zone directs the production zone product mixture to the feed side of the hydrophilic membrane, and is operable to form and produce both the associated alcohol product and the pervaporated water product from the production zone product mixture. An INDEPENDENT CLAIM is included for olefin hydration in the membrane-integrated hydration reactor involving: introducing an olefin feed composition into the production zone of the membrane-integrated hydration reactor, where the olefin feed composition comprises at least one isomer of butene; introducing water into the production zone of the membrane-integrated hydration reactor; and operating the membrane-integrated hydration reactor at olefin hydration process conditions such that the associated alcohol forms from the olefin feed composition using water in the presence of a solid acid olefin hydration catalyst in the production zone, where the production zone product mixture forms from the mixing of the associated alcohol and any unreacted water in the production zone, and the production zone product mixture passes from the production zone to the associated separations zone, and the associated separations zone selectively removes any unreacted water from the production zone product mixture, forming both the associated alcohol product and a pervaporated water product.