TECHNOLOGY FOCUS - INSTRUMENTATION AND TESTING - Preferred Components: The raw materials preparation unit comprises at least one separation unit receiving the raw material source and selected from the group consisting of: a plate magnetic separator; at least one orbital screen; and a steam washer; at least one mill supplied by the separation unit consisting of a hammer mill and a roller mill; and a heating, cooking, and dehydrating unit supplied by the mill. The acid-enhanced solvency and expression-based extractor and in situ reactor unit comprises at least one main screw, a housing containing the main screw and having a first end and a second end, and a hydraulic motor driving the main screw to rotate in the housing to feed the raw material source received in solid form from the raw materials preparation unit from the first end of the housing to the second end of the housing, the main screw propelling the raw material source from the first end to the second end under increasing pressure generated by a decreasing screw pitch, a conical screw shape or a choke on the end of the main screw at the second end of the housing, where a countercurrent liquid flow comprising the ethanol and the acid catalyst flows through the main screw from the second end to the first end to react with the free fatty acids and other reactive lipids, and at least a portion of the countercurrent liquid flow is returned from the first end of the housing to the second end of the housing after passing through a flash dehydrator and a cavitation reactor. The acid-enhanced solvency and expression-based extractor and in situ reactor unit further comprises: a feeder-seal screw receiving a solid fraction from the acid-enhanced solvency and expression-based extractor and in situ reactor unit: a cake breaker receiving the solid fraction from the feeder seal screw and a solid fraction from at least one plate filter press of the separation and refining unit and separating the solid fractions into smaller pieces and combining the solid fractions; a mixer-neutralizer receiving the solid fractions from the cake breaker and mixing the solid fractions with an aqueous potassium hydroxide solution to adjust a pH of the solid fractions; a rotary dryer receiving the solid fractions from the mixer neutralizer and removing excess water from the solid fractions; and a cooler-bagger receiving the solid fractions from the rotary dryer and cooling and bagging the solid fractions as a chemically-enhanced organic fertilizer. The acid-enhanced solvency and expression-based extractor and in situ reactor unit further comprises: at least one first piston-cylinder reactor receiving the liquid stream from the acid-enhanced solvency and expression-based extractor and in situ reactor and partially neutralizing the liquid stream with the base catalyst; and a second piston-cylinder reactor receiving the liquid stream from the first piston-cylinder reactor and transesterifying the liquid stream with the base catalyst. The ethanol and catalyst preparation unit comprises: a potassium hydroxide/ethanol storage tank holding a potassium hydroxide-ethanol mixture and supplying the potassium hydroxide-ethanol mixture to the acid-enhanced solvency and expression-based extractor and in situ reactor unit; a sulfuric acid/ethanol storage tank holding a sulfuric acid ethanol mixture and supplying the sulfuric acid-ethanol mixture to the acid-enhanced solvency and expression based extractor and in situ reactor unit; a concentrated sulfuric acid storage tank holding concentrated sulfuric acid and supplying the concentrated sulfuric acid to the sulfuric acid/ethanol storage tank; and an ethanol storage tank holding anhydrous ethanol and supplying the anhydrous ethanol to the potassium hydroxide/ethanol storage tank, the sulfuric acid/ethanol storage tank, and the acid-enhanced solvency and expression-based extractor and in situ reactor unit. The separation and refining unit comprises: at least one electrically-enhanced decanter receiving the liquid stream from the acid-enhanced solvency and expression-based extractor and in situ reactor unit and separating the liquid stream into a glycerin fraction and a fatty acid ethyl ester fraction; a buffer tank receiving the fatty acid ethyl ester fraction from the decanter; a metering and mixing tank receiving the fatty acid ethyl ester fraction from the buffer tank and mixing the fatty acid ethyl ester fraction with an adsorption material to remove impurities; and a pressure filter system receiving the fatty acid ethyl ester fraction and the adsorption material from the metering and mixing tank and separating the fatty acid ethyl ester from the adsorption material and impurities.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Process: The steps (a), (b), (c), and (d) occur at a single biodiesel production plant. The step (b) occurs in an acid-enhanced solvency and expression-based extractor and in situ reactor. The step (a) comprises the substeps of: filtering and steam washing the raw material source to remove dirt, stones, and sand; milling the raw material source; heating and cooking the raw material source; and dehydrating the raw material source to remove excess water. The step (b) comprises the substeps of: feeding the raw material source using a screw against a countercurrent liquid flow comprising the ethanol and the acid catalyst to react with the free fatty acids and other reactive lipids; and recycling at least a portion of the countercurrent liquid flow through the screw after flash dehydrating and passing the portion of the countercurrent liquid flow through a cavitation reactor. The step of feeding the raw material source using the screw against the countercurrent liquid flow comprising the ethanol and the acid catalyst to react with the free fatty acids and other reactive lipids occurs within a temperature of 110-140 degrees C, where the acid catalyst comprises sulfuric acid. The step (c) comprises the substeps of: partially neutralizing a liquid stream formed in step (b) with a base; esterifying unreacted free fatty acid using an acid to a concentration of less than or equal to 0.5 wt.%; and transesterifying the liquid stream with a base catalyst. The base and the base catalyst comprise potassium hydroxide. The substeps of partially neutralizing the liquid stream formed in step (b) with the base and esterifying unreacted free fatty acid using the acid to a concentration of less than or equal to 0.5 wt.% occurs in at least one piston-cylinder reactor with a residence time of 20-40 minutes and a temperature within a 5-15 degrees C. The step (d) comprises the substeps of: decanting the fatty acid ethyl ester product from the glycerin byproduct; metering and mixing the fatty acid ethyl ester product with an adsorption material to remove impurities from the fatty acid ethyl ester product; and pressure filtering fatty acid ethyl ester product and the adsorption material to separate the fatty acid ethyl ester from the adsorption material and impurities. The process further comprises the step of processing a solid fraction of the raw material source formed in step (b) to produce a chemically-enhanced organic fertilizer product. Preferred Components: The ethanol comprises anhydrous bioethanol. EXAMPLE - No suitable example given.