TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Components: The organic intermediate comprises butyric acid and polyhydroxybutyrate, carboxylic acid or ( beta )-hydroxy carboxylic acid, and polyester formed from condensation polymerization of ( beta )-hydroxy carboxylic acid to form poly ( beta )-hydroxy alkanoate. The hydrocarbon compound comprises alkane and/or alkene, preferably propylene, ethylene, ethane, methane, propane. The biomass comprises a material having at least 25%, preferably more than 50% of carbohydrate and/or starch, grain, more than 25%, preferably more than 50% of fermentable sugar, more than 50% of glucose, fructose, xylose, maltose, sucrose, galactose and/or polymers. The biomass comprises corn grain, sugar cane, sugar beet, sugar, glucose, wood chips, corn stover, wheat straw, rice straw, high-fructose corn syrup, agricultural crop residue, yard waste, sugarcane bagasse, agave bagasse, cotton, paper, paper processing waste, wood, poplar, forest residue or molasses, switchgrass and algae. The biomass further comprises material having more than 25%, preferably more than 50% of cellulose. Preferred Composition: At least about 25% of organic intermediate comprises more than 4 carbon atoms, at least about 50% of the organic intermediate comprises more than three carbon atoms. Preferred Process: The fermenting process comprises fermenting the biomass and/or converting syngas, and purifying organic intermediate from the fermented biomass and/or syngas. The fermenting process comprises fermenting biomass to form organic intermediate and hydrogen gas. The method further comprises reacting at least portion of hydrogen gas in Haber Bosch reaction to form ammonia, and separating hydrogen gas from organic intermediate. The method further comprises reacting the hydrogen gas to produce energy. The decarboxylating and/or dehydrating process of organic intermediate is carried out using catalyst, oxidizing agent, reducing agent, hydrogen peroxide and hydrogen. The catalyst comprises metal or metal ion, base and mineral base. The decarboxylating process of organic intermediate produces carbon dioxide, and dehydrating process of organic intermediate produces water. The method further comprises reacting the hydrocarbon compound to form polymer, polypropylene and polyethylene. The method further comprises fermenting biomass and/or converting syngas to form an organic intermediate, and exposing the organic intermediate to a supercritical fluid. The supercritical fluid is water. Preferred Condition: The decarboxylating and/or dehydrating process of organic intermediate occurs is carried out under conditions in which water is supercritical, at more than 647 K, and under pressure of more than 22 MPa.