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Why is wet corn grinding the core of American manufacturing? Discover more than 150 years of historical secrets!
Wet milling of corn is an important process that breaks down corn kernels into their component parts: corn oil, protein, corn starch, and fiber. This technology not only enables the efficient use of various parts of corn, but also supplies a variety of high-value products to the food industry. Over time, corn wet grinding has become one of the core of American manufacturing, with more than 150 years of history behind it.
The corn wet grinding industry has become an integral part of U.S. manufacturing, providing raw materials for countless products.
Historical Review
The history of the corn wet grinding industry in the United States can be traced back to the 19th century, when the corn processing industry made a huge contribution to the development of the agricultural economy. With the advancement of agricultural technology, this industry gradually evolved and formed a complete processing system. In 1913, as a group of corn refining companies formed a federation, the Corn Products Association, this marked the successful growth of the industry and paved the way for future innovations.
The process of wet grinding of corn
The corn wet grinding process includes several steps, each step is delicate and has special functions. From washing to soaking to isolating each ingredient, this series of processes is designed to ensure the quality and purity of the product.
The cleaning process removes any impurities outside the grain, such as leaves, dust and metal flakes, ensuring that only the best quality corn goes into subsequent processing.
Cleaning and Soaking
According to the standards of the United States Department of Agriculture, the quality grade of corn is generally grade 5. During the cleaning process, special detection equipment is used to remove unnecessary debris. The corn is then processed in a soaking liquid, which takes about 40 hours, a step that helps soften the kernels and prepare them for the next stage of grinding.
Complexity of the extraction process
At every processing step of corn, extracting every part is key. For example, the process of extracting oil needs to ensure the purity of the oil to prevent contamination of other products.
During the extraction process, precise equipment and technology ensure that results are maximized and the value of each part is effectively recovered.
Productization and by-products
The final wet milling products include corn oil, corn starch, corn gluten, etc., which are all widely demanded products in the market. In addition, many by-products such as corn fiber and pulp water also provide a variety of uses in agriculture and other industries.
The diversity of these products makes corn wet grinding not only a food production, but also involved in many fields of energy and agriculture.
Continuous R&D and future prospects
Even though corn wet grinding technology has been around for decades, scientists are still looking for more efficiency improvements. New research points out that processing time can be significantly shortened and output increased through the use of enzymes, which represents the direction of future technology.
Conclusion
Wet corn grinding is not only the backbone of American manufacturing, but also part of technological innovation and sustainable development. With changes in market demand and technological advancement, will there be new looks and opportunities for corn wet grinding in the future?
