the development of butyrolactam (2-pyrrolidone) industry has accelerated

butyrolactam, also known as 2-pyrrolidone and 2-pyrrolidone, has a chemical formula of c4h7no and is an organic compound. butyrolactam appears as a colorless liquid, miscible in carbon tetrachloride, water, ether, alcohol and benzene, but insoluble in petroleum ether. butyrolactam is a carbon-containing compound with the advantages of good chemical stability, biodegradability, and recyclability. it has…