As the main 2-acetylbutyrolactone factory and suppliers from China, TNJ Chemical made progress on the synthesis methods of 2-acetylbutyrolactone, a chemical raw materials and pharmaceutical intermediates: use ethyl acetate and y-butyrolactone as raw material, sodium metal as the reaction catalyst, and the comprehensive utilization of by-product recovery were also studied. In the course of study, using GC, GC-MS and other means to reveal the transformation behavior and reaction mechanism of the material and the main by-products. The new method is superior to the domestic and foreign synthesis of 2-acetylbutyrolactone. Specific contents are summarized as follows:
1, Guided by the thermodynamic and kinetic theory, through the investigation of the feeding mode, feed ratio, reaction time, temperature and other conditions, to establish a "inverted bulk reaction synthesis of 2-acetylbutyrolactone new technology, successfully achieve: eliminate the unsafety risk of blanking and burning caused by adding sodium metal melting temperature (about more than and 100); second, without the use of solvent, greatly reducing the environmental pollution; No change in equipment, production capacity increased by 0.5 times; the yield increased more than 10%.
2, Make improvement on the distillation process. Its utilization rate is increased by 7%, and reduce environmental pollution.
3, the invention of a new "salt precipitation in addition to miscellaneous technology", from the waste liquid in the recovery of 2-acetylbutyrolactone. The yield was increased by more than 2%, which not only reduced the economic losses of enterprises, but also greatly reduced the environmental pollution of the waste liquid.
The above three aspects of technical improvement and the original process comparison, production costs reduced by 4000 yuan / ton.
TNJ Chemical www.tnjchem.com is the key 2-acetylbutyrolactone suppliers and factory from China, with yearly outcome 15,000 tons. If you want to buy 2-acetylbutyrolactone 99.9%, pleae feel free to contact us any time sales@tnjchem.com
Related reading: China 2-acetylbutyrolactone, Buy 2-acetyl-gamma-butyrolactone, CAS 517-23-7, Buy 2-acetylbutyrolactone
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