TECHNOLOGY FOCUS - BIOLOGY - Preferred Process: At least a portion of the depleted gas phase is passed to the hotbox section (preferred) or gas reforming section of the steam reformer. The depleted gas phase is subjected to a sulfur removal unit operation prior to being passed to the steam reforming section. The carbon monoxide-containing gas and the gas from a prior bioreactor stage are mixed prior to introduction into the last bioreactor stage and the mixed gases have a ratio of electrons to carbon atoms of 5.5:1-6.5:1. The integrated process (I) comprises: (1) a carbohydrate to alcohol process comprising (1a) bioconverting under fermentation conditions including the presence of biocatalyst a carbohydrate-containing aqueous broth to provide an alcohol-containing broth, where the broth contains biocatalyst and carbon dioxide gas, (1b) removing carbon dioxide gas from the broth, (1c) separating by distillation alcohol from the broth and providing a whole stillage containing water, unconverted carbohydrates and biocatalyst, (1d) separating the whole stillage by centrifugation to provide a thin stillage and distillers grains and (1e) evaporating water from the thin stillage to provide a concentrate containing unconverted carbohydrates; and (2) a syngas to alcohol process comprising (2a) continuously introducing the gas substrate into the bioreactor assembly containing the aqueous menstruum to bioconvert gas substrate to alcohol and providing the alcohol-containing menstruum and depleted gas phase, (2b) continuously withdrawing depleted gas phase from the aqueous menstruum, (2c) continuously or intermittently withdrawing a portion of the menstruum for recovery of the alcohol and (2d) separating the withdrawn portion of the menstruum by distillation to provide alcohol and an aqueous stillage, where at least a portion of the separated carbon dioxide from step (1b) is used as a portion of the gas substrate in step (2a) to provide a gas substrate having an electron to carbon atom ratio of 5.2:1-6.8:1. In the integrated process (I): at least a portion of the gas substrate of step (2a) comprises syngas derived from steam reforming or coke oven gas; at least a portion of the water evaporated from the thin stillage in step (1e) provides water for the aqueous menstruum of step (2a); a sodium ion-containing water stream is produced in step (2) and is introduced into step (1e) for recovery of water having a reduced sodium ion concentration; and a microorganism-containing aqueous stream is recovered from the withdrawn menstruum of step (2b) and a water waste stream containing organics having a substantial absence of biocatalyst is obtained from step (1) and sent to catabolic waste water treatment to reduce the organics, and at least a portion of the microorganism-containing aqueous stream is supplied to the waste water treatment as a source of at least a portion of nitrogen required for the catabolic waste water treatment. The integrated process (II) comprises: (a1) continuously reforming hydrocarbonaceous feedstock at elevated temperature and pressure to provide a syngas containing hydrogen, carbon monoxide, carbon dioxide and water vapor, where the reforming comprise heat exchange between the syngas and the hydrocarbonaceous feedstock; (b1) continuously generating steam from the syngas to provide a first cooled syngas, where the first cooled syngas is saturated with water vapor; (c1) continuously passing the first cooled syngas to a distillation reboiler to provide a second cooled syngas having a temperature of 100-110 degrees C; (d1) continuously contacting the second cooled syngas with the aqueous menstruum to bioconvert gas substrate to alcohol and providing the alcohol-containing menstruum and syngas depleted gas phase; (e1) continuously withdrawing substrate depleted gas phase from the aqueous menstruum; (f1) continuously or intermittently withdrawing a portion of the menstruum for recovery of the alcohol; and (g1) continuously recovering alcohol from the withdrawn menstruum in a distillation column, where the distillation column uses heat provided by step (c1). In process (II), the reforming is a steam reforming or an autothermal reforming. The syngas prior to step (b1) is mixed with carbon dioxide to provide a gas substrate having an electron to carbon atom ratio of 5.2:1-6.8:1. At least 90 mol.% of the hydrogen, carbon monoxide and carbon dioxide of the substrate is converted into alcohol. Preferred Components: At least one of the gases is a coke oven gas or a syngas from steam reforming of hydrocarbonaceous gas. At least one other gas is steel mill gas, syngas from gasification of carbonaceous material, syngas from partial oxidation of carbonaceous material, or synthesis gas from auto- thermal reforming of carbonaceous material. At least one other gas comprises at least 40 mol.% carbon dioxide. At least one other gas comprises renewable carbon and at least a portion of the carbon in the alcohol is from a renewable resource. The other gas comprises gas from the anaerobic fermentation of carbohydrates. The other gas comprises carbon dioxide effluent from an ethanol plant. The other gas comprises biogas, landfill gas or anaerobic digester gas. The anaerobic digester gas is at least partially derived from the anaerobic digestion of solid debris from the recovery of alcohol from the aqueous menstruum. A portion of the gas substrate comprises carbon dioxide from an anaerobic fermentation process. The alcohol is derived a fermentation having a conversion of at least 85 mol.% of hydrogen and carbon oxides. 30-50% Of the carbon is from renewable carbon. The biogas comprises landfill gas or anaerobic digester gas. The mole ratio of carbon dioxide to methane in the depleted gas phase is less than 0.2:1. The substrate depleted gas phase comprises less than 50 mass% percent of total fuel to the hot box. The carbohydrate source comprises sugar. The renewable carbon comprises biogas and 30-50% of the biogas comprises renewable carbon. The biogas comprises at least 40 mol.% carbon dioxide.    TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Components: The last bioreactor stage comprises a deep tank bubble column bioreactor. The gas passing to the last bioreactor stage in gas flow sequence prior to being mixed with the carbon monoxide-containing gas has a ratio of electrons to carbon atoms of greater than 7:1. The modules retain hollow fibers in a longitudinal direction with respect to the longitudinal axis of all the membrane vessels. The bioreactor assembly contains many bioreactors arranged for serial flow of menstruum through the lumens and substrate over the outside of the fibers. The electron to carbon atoms ratio of 5.5:1-6.5:1, preferably 5.7:1-6.3:1, is maintained in at least one of the bioreactor. The process uses at least two modules (bioreactors) in series and menstruum is withdrawn at location between the modules for recovery of alcohol from it. EXAMPLE - No suitable example given.