TECHNOLOGY FOCUS - BIOLOGY - Preferred Components: The biomass component comprises at least one member including cellulose, lignocellulose, recycled fiber, corn stover, bagasse, switch grass, Miscanthus, Sorghum, wood, or agricultural waste.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Components: The liquefaction catalyst comprises: an acidic resin or a basic resin; or a support and a member adhered to the support, where the member is copper, iron, ruthenium, iridium, cobalt, rhodium, platinum, palladium, nickel, tungsten, molybdenum and/or an alloy. The liquefaction catalyst further comprises a member of copper, manganese, chromium, molybdenum, boron, tungsten, vanadium, niobium, tantalum, titanium, zirconium, yttrium, lanthanum, scandium, zinc, cadmium, silver, gold, tin, germanium, phosphorus, aluminum, gallium, indium, thallium and/or their alloy. The support comprises a member comprising a nitride, carbon, silica, alumina, zirconia, titania, vanadia, ceria, boron nitride, heteropolyacid, kieselguhr, hydroxyapatite, zinc oxide, chromia and/or zeolite. The liquefaction temperature is 80-350 degrees C. The liquefaction pressure is 100-2000 psi. The regenerant gas comprises oxygen or hydrogen. The regeneration pressure is between atmospheric pressure and 500 psig. The deoxygenation catalyst comprises a support and a member comprising rhenium, copper, iron, ruthenium, iridium, cobalt, rhodium, platinum, palladium, nickel, tungsten, osmium, molybdenum, silver, gold and/or an alloy. The deoxygenation catalyst further comprises a member comprising manganese, chromium, molybdenum, tungsten, vanadium, niobium, tantalum, titanium, zirconium, yttrium, lanthanum, scandium, zinc, cadmium, silver, gold, tin, germanium, phosphorus, aluminum, gallium, indium, thallium and/or an alloy. The support is tungstated zirconia, tungsten modified zirconia, tungsten modified alpha-alumina, or tungsten modified theta alumina. Preferred Method: The support is modified by treating the support with tungsten.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Method: The washing medium comprises a liquid comprising water, an acid, a base, a chelating agent, an alcohol, a ketone, a cyclic ether, a hydroxyketone, an aromatic and/or a paraffin. The step of washing the liquefaction catalyst comprises a first step of washing the liquefaction catalyst with a first washing solvent and a second step of washing the liquefaction catalyst with a second washing solvent. In the method, more than 90% of the carbonaceous deposits are removed from the liquefaction catalyst. The method further comprises the step of further processing the lower molecular weight oxygenated hydrocarbons to produce C4+ compounds. Preferred Components: The first washing solvent comprises: a liquid comprising water, an acid, a base and/or a chelating agent; or a liquid comprising water, an alcohol, a ketone, a cyclic ether, a hydroxyketone, an aromatic and/or a paraffin. The second washing solvent comprises: a liquid comprising water, an alcohol, a ketone, a cyclic ether, a hydroxyketone, an aromatic and/or a paraffin; or a liquid comprising water, an acid, a base and/or a chelating agent. The regeneration temperature is 300-500 degrees C, and is adjusted at a rate of 20-60 degrees C per hour. The oxygenated hydrocarbon is a starch, a carbohydrate, a polysaccharide, a disaccharide, a monosaccharide, a sugar, a sugar alcohol, an alditol, an organic acid, a phenol, a cresol, ethanediol, ethanedione, acetic acid, propanol, propanediol, propionic acid, glycerol, glyceraldehyde, dihydroxyacetone, lactic acid, pyruvic acid, malonic acid, a butanediol, butanoic acid, an aldotetrose, tartaric acid, an aldopentose, an aldohexose, a ketotetrose, a ketopentose, a ketohexose, a hemicellulose, a cellulosic derivative, a lignocellulosic derivative, or a polyol. The biomass processing solvent comprises: a member comprising an alcohol, ketone, aldehyde, cyclic ether, ester, diol, triol, hydroxy carboxylic acid and/or carboxylic acid; or a member comprising ethanol, n-propyl alcohol, isopropyl alcohol, butyl alcohol, pentanol, hexanol, cyclopentanol, cyclohexanol, 2-methylcyclopentanol, a hydroxyketone, a cyclic ketone, acetone, propanone, butanone, pentanone, hexanone, 2-methylcyclopentanone, ethylene glycol, 1,3-propanediol, propylene glycol, butanediol, pentanediol, hexanediol, methylglyoxal, butanedione, pentanedione, diketohexane, a hydroxy aldehyde, acetaldehyde, propionaldehyde, butyraldehyde, pentanal, hexanal, formic acid, acetic acid, propionic acid, butanoic acid, pentanoic acid, hexanoic acid, lactic acid, glycerol, furan, tetrahydrofuran, dihydrofuran, 2-furan methanol, 2-methyl-tetrahydrofuran, 2,5-dimethyltetrahydrofuran, 2-ethyl-tetrahydrofuran, 2-methylfuran, 2,5-dimethylfuran, 2-ethylfuran, hydroxylmethylfurfural, 3-hydroxytetrahydrofuran, tetrahydro-3-furanol, 5-hydroxymethyl-2(5H)-furanone, dihydro-5-(hydroxymethyl)-2(3H)-furanone, tetrahydro-2-furoic acid, dihydro-5-(hydroxymethyl)-2(3H)-furanone, tetrahydrofurfuryl alcohol, 1-(2-furyl)ethanol and/or hydroxymethyltetrahydrofurfural and their isomers. The deoxygenation temperature is greater than 120 degrees C and less than 325 degrees C, preferably 120-325 degrees C, and the deoxygenation pressure is at least 0.1 atmosphere or greater than 200 psig and less than 2500 psig, preferably 365-2500 psig. EXAMPLE - No suitable example given.