Partial hydrolysis technology for the production of first-generation ethanol.

first-generation biofuel production is considered the best choice compared to other production methods in terms of production costs, industrial process requirements, and actual quantities produced as commercial biofuels. Sugars can be turned directly into ethanol, but starches must first be hydrolyzed into fermentable sugars by malt or mold enzymes. The technology is well-known in the industry. Sugar cane and beet are the two major sugar-producing plants in the world. However, the ethics of using food products as fuel is a major issue. Therefore, this paper is concerned with finding a crop with the specific attributes, the date palm fruit was chosen for this purpose this is due to the following characteristics: high sugar concentration, the possibility of planting in abundant quantities, the ability to withstand harsh environmental factors, and rich nutritional content in order to conduct a partial hydrolysis process of sugars that are easy to dissolve and take advantage of solid residues for other food purposes, According to this study, the hydrolysis process was carried out. Separating the 90g/L sugar solution and then fermenting the solution in the traditional way, the ideal time for fermentation of 120 hr, at a pH of 5 and output of 52% bioethanol was obtained. The temperature of fermentation was 37C°, and the concentration of yeast was 5%. The solid residue (rich in vitamins, proteins, and fibers) can be used as an additive in some kinds of bread provided in school meals. [ABSTRACT FROM AUTHOR]