TECHNOLOGY FOCUS - BIOLOGY - Preferred Material: The raw material is a plant material, a derivative of the plant material, an animal material, or a derivative of the animal material. The plant material or its derivative is vegetable derived materials, vegetable derived extracts, fruit derived materials, fruit derived extracts, seeds, carbohydrate containing materials, starch containing materials, cellulose containing materials corn, grass, alfalfa, grain, cereal, soybeans, flaxseed, rapeseed, sugar cane, palm material, straw, timber, manure, rice, husks, sewage, peanut, potatoes, biodegradable waste, or food leftovers. The animal is fish, fish derived materials, milk, or milk derived materials.    TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Component: The microorganisms are yeast, bacteria or algae, preferably a methane producing bacteria. The methane producing bacteria is Methanobacterium, Methanobrevibacter, Methanothermus, Methanococcus, Methanomicrobium, Methanogenium, Methanospirillum, Methanoplanus, Methanosphaera, Methanosarcina, Methanolobus, Methanoculleus, Methanothrix, Methanosaeta, Methanopyrus, or Methanocorpusculum. The microorganism is preferably Saccharomyces cerevisiae, Pichia spp., Thermoanaerobacter spp., or Zymomonas spp..    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Component: The diluted bases are sodium hydroxide, potassium hydroxide, calcium hydroxide, or ammonium hydroxide.    TECHNOLOGY FOCUS - MECHANICAL ENGINEERING - Preferred Component: The first and second containers and the adsorption column are interconnected. The first and third containers can be a pressing device, an extraction device, a filtration device, an evaporation device, a fermenting device, or a distillation device. The second container can be the pressing device, the extraction device, the filtration device, the evaporation device, or the distillation device. The adsorption column is an expanded bed adsorption column (preferably) or a fluidized bed adsorption column, a batch adsorption column, a suspended bed adsorption column, or a membrane based adsorption column.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Method: The method may use a fluidized bed adsorption process. The adsorption process does not involve a packed bed. The method is a continuous method of providing the biofuel and the protein product. The biofuel is obtained directly from the raw material or its derivative. The first treatment is extraction, grinding, milling, hacking, squeezing, slicing, abrading, pressing, crushing, chipping or any combination, preferably the combination of grinding, milling, hacking, slicing, abrading, crushing or chipping followed by extraction, squeezing or pressing. The raw material or its derivative is subjected to a fermentation process providing a fermented material comprising the biofuel. The fermentation process is an alcohol fermentation (e.g., a methanol fermentation, an ethanol fermentation, a propanol fermentation or a butanol fermentation), methan fermentation or hydrogen fermentation. The fermentation is performed using one or more microorganisms. The fermentation process provides a fermentation broth comprising the biofuel. The biofuel is separated from the fermented material by an isolation process. The isolation process is evaporation, extraction, distillation, centrifugation, and/or decanting. The second treatment is extraction, solubilization, grinding, milling, hacking, squeezing, slicing, abrading, pressing, crushing, chipping, suspending, and/or separation. The raw material or its derivative is suspended in an aqueous solution providing an aqueous material suspension. A solid phase obtained from the isolation of the liberated biofuel is suspended in an aqueous phase before being subjected to the second treatment and/or before being subjected to the expanded bed adsorption process to obtain the purified protein product. The protein product is purified before the biofuel is isolated. The raw material or its derivative is subjected to pressing and optionally extraction followed by purification or isolation of the protein product before isolation of the biofuel. The biofuel is isolated before the protein product is purified. The protein product is purified after the raw material or its derivative has been subjected to pressing and optionally extraction and before the fermentation is performed. The first treatment and/or the second treatment provide a solid and liquid phase(s). The biofuel and/or the protein product are isolated/purified from the solid phase or its derivative, or from the liquid phase or its derivative. The raw material is subjected to a further treatment resulting in a partially hydrolyzed raw material. The further treatment comprises a wet oxidation, a steam explosion or enzyme treatment. The raw material and/or the partial hydrolyzed raw material are subjected to a hydrolysis from an enzyme hydrolysis, an acid hydrolysis or an alkaline hydrolysis resulting in an increased liberation of the biofuel and/or the material suspension comprising an increased amount of fermentable sugars and/or an increased amount of soluble proteins. The expanded bed adsorption process involves an adsorbent. The method further comprises a step of pH adjustment before subjecting the material suspension to the expanded bed adsorption process to obtain the purified protein product. The expanded bed adsorption process is performed at a flow rate of greater than or equal to 3, preferably 5-50 cm/minute. Eluting of the protein product is performed with an eluant from dilute base, dilute acid, and water. The elution is performed using an eluent comprising less than 5, preferably 0% (v/v) of organic solvent. Preferred Component: The yield of protein obtained is an equivalent of greater than or equal to 10, preferably greater than or equal to 200 g of 100% pure protein product/kg of biofuel on a dry matter basis. The protein product comprises a single protein or a mixture of two or more proteins. The protein product contains greater than or equal to 50, preferably 95% protein. The fermentation broth comprises greater than or equal to 2% (w/w) biofuel. The raw material or its derivative is a biofuel comprising the raw material or a biofuel comprising the derivative of the raw material. The adsorbent comprises a particle with high density non-porous core(s), surrounded by a porous material; or a particle having a functionalized matrix polymer carrying covalently attached functional groups comprising an aromatic or heteroaromatic ring-system and/or one or more acidic groups. The hetero-aromatic moiety is monocyclic hetero-aromatic radicals from thiophene, furan, pyran, pyrrole, imidazole, pyrazole, isothiazole, isoxazole, pyridine, pyrazine, pyrimidine, or pyridazine radicals; or bicyclic heteroaromatic radicals from indole, purine, quinoline, benzofuran, benzimidazole, benzothiazole, or benzoxazole radicals. The acidic group is a carboxylic acid group (-COOH), a sulfonic acid group (-SO2OH), sulfinic acid group (-S(O)OH), phosphinic acid group (-PH(O)(OH)), phosphonic acid monoester groups (-P(O)(OH)(OR)), or phosphonic acid group (-P(O)(OH)2). The functional groups comprising an aromatic or heteroaromatic ring-system and/or one or more acid groups is derived from compounds from dihydroxy-benzoic acids, amino-benzoic acids, diamino-benzoic acids, mercapto-benzoic acids, mercapto-nicotinic acids, mercapto-tetrazole acetic acids, benzimidazoles, benzothiazoles, benzoxazoles, diacids, 2,5-dihydroxy-benzoic acid, 2-amino-benzoic acid, 3-amino-benzoic acid, 4-amino-benzoic acid, 2-mercapto-benzoic acid, 2-mercapto-nicotinic acid, 5-mercapto-1-tetrazole acetic acid, 2-mercapto-benzimidazole, 4-aminophthalic acid, or 5-aminoisophthalic acid. The non-porous core constitutes less than or equal to 50% of the total volume of the adsorbent particle. The adsorbent that is present in the expanded bed column relative to the protein-containing mixture to be loaded on to the column is provided at a ratio of greater than or equal to 1:1000 measured on a volume/volume basis. The functional groups comprising the aromatic or heteroaromatic ring-system and/or one or more acid groups form a ligand or part of a ligand with affinity to proteins. The concentration of the functional groups comprising the aromatic or heteroaromatic ring-system and/or one or more acid groups is 10-990 mu mol/g dry matter of solid phase material; 1-145 mu mol/ml of hydrated, sedimented solid phase matrix; or 1-130 mu mol/g wet, but suction drained solid phase matrix. The biofuel is oil, methanol, methane, ethanol, propanol, butanol, hydrogen, or biodiesel. Preferred Properties: The adsorbent has a particle density of greater than or equal to 1.5, preferably greater than or equal to 2 g/ml; and a mean particle size of less than or equal to 150, preferably 40-150 or less than 75 mu m. The functional groups comprising an aromatic or heteroaromatic ring-system and/or one or more acid groups have a molecular weight of less than or equal to 500 Dalton. The high density non-porous core has a density of greater than or equal to 4, preferably 4-25 g/ml. The binding capacity of the adsorbent is greater than or equal to 10 g/L of bovine serum albumin (BSA) according to a test Method A.    TECHNOLOGY FOCUS - POLYMERS - Preferred Component: The porous material comprises a polymeric base matrix, preferably a polysaccharide.