The industrial production of ethanol Indonesia and also alcohol with plant raw materials containing starch or carbohydrates is carried out through the process of converting carbohydrates into soluble sugar or glucose. Glucose can be made from starch, the manufacturing process can be distinguished based on the auxiliary substances used, namely acid hydrolysis and enzyme hydrolysis.
Based on the two types of hydrolysis, currently more developed enzyme hydrolysis, while acid hydrolysis such as sulfuric acid is less developed, so the process of making glucose from starch is now used with enzyme hydrolysis. In the process of converting carbohydrates into water-soluble sugars or glucose, it is processed by adding water and enzymes; then the process of fermentation or fermentation of sugar into ethanol is through a process of adding extra yeast.
In addition to ethanol, it can be produced from plant raw materials containing starch or carbohydrates; it can also be produced from plant materials containing cellulose. Yet, the presence of lignin makes the sugar process more difficult, so that the manufacture of ethanol or bio-ethanol from cellulose is not necessary.
Although the production technique of ethanol or bio-ethanol is a technique that has been known for a long time, ethanol for vehicle fuel requires ethanol with certain characteristics that require relatively new technology in Indonesia, including energy balance and production efficiency. It means, further research on the technology of the ethanol production process still needs to be done. Briefly, the technology for the ethanol or bio-ethanol production process can be divided into three stages, namely gelatinization, saccharification, and fermentation.
Among the various types of biofuels industry, the industrial production of ethanol Indonesia is the easiest to produce. The operational costs of production and installation are relatively cheap, but the benefits of this type of biofuel business are quite large. Because it is low tech, bioethanol can be produced by anyone and anywhere, as long as there is easy access to raw materials.
Actually, our society has long been familiar with the technique of making bioethanol, especially for alcohol. The industrial production of ethanol requires simple technology that many people can learn the technique of making bioethanol. Some of them plan to develop a large-scale bioethanol industry that starts as a home industry.
However, it is not as easy as people might imagine. The industrial production of ethanol still requires lots of effort and techniques. Ethanol is basically alcohol compounds obtained through the fermentation process of biomass with the help of microorganisms and involve various levels.
90-94% ethanol is named industrial grade ethanol. Meanwhile, the 94-99.5% ethanol is called neutral grade ethanol. Generally, those types of ethanol are used for liquor mixtures. The last one is fuel grade ethanol that has 99.5%. level.
The raw materials for making bioethanol (first generation bioethanol) that are widely available in Indonesia include cassava or cassava, corn, sweet potatoes, and sugar cane. All of them are carbohydrate-rich biomass and come from carbohydrate- or starch-producing plants.
Ethanol possesses several microbiology uses. The ethanol is utilized in the biomolecules’ purification and precipitation. It is also used for histology’s staining and restaining specimens as well as in the process of tissues dehydrating before the embedding process as well as in disinfection.
Industrial production of ethanol 96 % ethanol’s highest concentration. It is produced by the distillation as 95.6% ethanol is a kind of azeotrope. Its vapor state gets the similar ratio of ethanol-to-water as the liquid state. However, there are certain procedures which are very fragile to water presence that need an absolute level of ethanol.
The most common method in producing ethanol that has higher concentration than 95% is by using additives. The additives will disrupt the composition of azeotrope in order to allow further distillation. In this case, absolute ethanol mostly comprises these additive trace amounts. Benzene is one of the examples.
The fact is that an absolute ethanol attracts water, in which it has hygroscopic characteristics. This is why it won’t reach 100% ethanol, and this is particularly when the alcohol is left uncapped for a longer time.
Meanwhile the industrial production of ethanol 96 % that is called denatured will contain some additives like methanol as well as isopropanol. It is classified as unsafe to drink. This is why; it is not liable from beverage taxes that the government applies. It means denatured ethanol is cheaper than the pure one. This kind of ethanol is the one that is used for disinfection, in various purposes.
Regardless of the main differences in terms of price, it won’t be a problem about the grade of ethanol that one uses for disinfection. The most important thing is the final concentration of ethanol. The industrial production of ethanol 70 % is meant to produce effective disinfectant. 70% ethanol has the most valuable concentration. This is because the 90% ethanol is coagulating the protein. In this case, the protein layer which occurs can render the cell dormant.
The ethanol, at a 70% concentration, will take longer to evaporate. It means it will penetrate cells in a more effective way. The water composition within the 70% ethanol plays a major role in the process of proteins denaturing. Though it is classified as less flammable, it is still flammable, so be careful.
Ethanol with a high quality has a pureness level of 96, 5 %. It is effective for various industrial purposes such as beverages or drinks, cosmetics, perfumes, cigarettes. Meanwhile, it is also suitable for pharmacy and hospital-related products while it is also very good in diluting oil, resin, fat and hydrocarbon. Basically, the level of ethanol is the main components for Acetic Acid, Acetaldehyde, Ethylene and Ethyl Acetate.
It is somewhat challenging to find the most reliable distributor of ethanol that serves various purposes. Some of them only provide certain ethanol levels. But, PT. Karsavicta is different. So far, PT. Karsavicta has been the most reliable energy company which produces and supplies processed molasses into ethanol with a purity level of 99.5%. This plant is specially designed to produce ethanol fuel grade with a production capacity that can provide the needs of industrial and pharmacy purposes. The production of ethanol at PT Karsavicta goes through several stages that high quality ethanol can provide.
This company has various ethyl ethanol from the technical grade (<95%), the extra neutral grade (>96%) and the Anhydrous 99%. All of them have been through several stages that use high-technology machines. Karsavicta remains developing domestic products of ethanol which serve various industrial and pharmacy purposes.
So far, Karsavicta remains the biggest national supplier that many industrial companies and pharmacies have put their trust in. It supplies ethanol in various grades for different needs. During the pandemic Covid-19, it maintain its reputation as the most reliable distributor for providing various levels of ethanol.