Lactic acid, as an important organic acid, is widely used in food, medicine, chemical industry and other fields. With the development of bio-based materials, the demand for lactic acid continues to grow, and the optimization of its extraction process is particularly important. Although traditional lactic acid extraction methods such as calcium salt method and ion exchange method have met production needs to a certain extent, they generally have problems such as high energy consumption, heavy pollution and low yield. Therefore, it is urgent to explore a new process for efficient and environmentally friendly lactic acid extraction.
Centrifugal Extractor
Centrifugal extractor, an equipment that combines high-speed rotation with liquid-liquid extraction principle, has made great achievements in the field of chemical separation in recent years. Its unique separation mechanism allows the two-phase liquid to be rapidly separated under the action of centrifugal force, thus achieving efficient and rapid extraction and separation. It is based on this principle that centrifugal extractor has shown great potential in lactic acid extraction.
Green New Process Centrifugal Extractor to Extract Lactic Acid
In this new process, the centrifugal extractor is cleverly used in the extraction process of lactic acid. First, a fermentation broth containing lactic acid is obtained through biotransformation methods such as fermentation. Subsequently, the fermentation broth and the extractant are injected into the centrifugal extractor together. Under the action of centrifugal force, lactic acid and the extractant quickly form lactic acid esters or lactates, and are effectively separated from other impurities. After multi-stage extraction and back extraction, the purity of lactic acid is greatly improved, and the extractant can be recycled and reused, which greatly reduces production costs and environmental pollution.
Advantages of the New Extraction Process
The advantages of this new extraction process are obvious. First, the efficient separation capacity of the centrifugal extractor significantly improves the extraction efficiency of lactic acid, while reducing energy consumption and production costs. Second, the recovery and reuse of the extractant reduces wastewater discharge, which is in line with the concept of green chemistry. However, the implementation of the new process also faces some challenges, such as the selection of extractants and the optimization of process parameters. Researchers need to find the best extraction conditions and extractant combinations through a large number of experimental studies and data analysis to ensure the stability and economy of the new process.
The new green process of extracting lactic acid with the centrifugal extractor has brought new development opportunities to the chemical industry. It has not only improved the extraction efficiency of lactic acid, but also achieved remarkable results in environmental protection, setting a new benchmark for the green development of the chemical industry.
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