1, polyglycolic acid
Poly (glycolic acid) (PGA) is a new polymer material with good biocompatibility, gas barrier and processability, which can bring innovation to packaging and various industrial applications. It can also replace expensive degradable materials such as PLA and PBS. It is the most direct downstream product with glycolic acid (ester) as raw material, and has good application and market prospect.
Glycolic acid is the main synthetic raw material of biodegradable material polyglycolic acid (PGA). Wuyu Company took the lead in developing the industrial production technology of PGA in the world on 1995, and built a 100 ton/year PGA industrial test device in Iwaki, Fukushima Prefecture, Japan in 2002.
2. Polycarbonate
The rapid development of polycarbonate (PC) production capacity in China has driven the growth of demand for diphenyl carbonate (DPC). When oxalate and phenol are used in transesterification synthesis, the boiling of methanol and dimethyl carbonate, which occurs in transesterification of carbonate, will not be formed, so the separation is simpler and the energy consumption is lower. At present, the technology of producing diphenyl carbonate by oxalate route is undergoing model test, and the pilot study and subsequent industrial scale-up production will be carried out in the later stage.
Yahua Consulting believes that if diphenyl carbonate (DPC) prepared by oxalate route can reach the production index of polycarbonate (PC), PC will become a competitive downstream product direction of synthetic gas oxalate.
3. Ethanol
Microbial fermentation of coal-based syngas: Dimethyl ether is carbonylated to produce methyl acetate, and methyl acetate is hydrogenated to produce ethanol; Direct hydrogenation of acetic acid; Esterification and hydrogenation of acetic acid; In addition to the direct catalytic synthesis of ethanol from coal-based syngas, the production of dimethyl oxalate (DMO) from coal-based syngas and the hydrogenation of DMO to ethanol are also industrialized routes.
20 17,17 On September 3, the National Development and Reform Commission, the National Energy Administration and other fifteen departments jointly issued the "Implementation Plan on Expanding the Production of Biofuel Ethanol and Promoting the Use of Vehicle Ethanol Gasoline", which made it clear that by 2020, the use of vehicle ethanol gasoline will be promoted nationwide, basically achieving full coverage.
4. Oxamide
The nitrogen content of oxalamide is 3 1.79%, and the nitrogen content of 1 ton of oxalamide is roughly equivalent to that of 1.8 ton of ammonium bicarbonate or 0.68 ton of urea. The utilization rate of nitrogen in oxamide is as high as 65 ~ 80%, which is twice that of urea. The solubility of oxamide in water is very small, only 0.0 16%, and it is not easy to be carried away by water after fertilization.
Using oxalamide instead of urea or ammonium bicarbonate as nitrogen fertilizer can greatly reduce the loss and waste of nitrogen fertilizer. Oxamide is degraded by microorganisms in soil, and the final products are carbon dioxide and ammonia, which are completely degraded and non-toxic.
Ammonia production from coal-based syngas, coupled with co gas-phase catalysis to synthesize oxalate, and the reaction between ammonia and oxalate to produce oxamide can optimize the material balance and reduce investment, which is a valuable frontier technology development direction in the field of coal chemical industry.
5. Ethylene glycol
Ethylene glycol (EG) is also called ethylene glycol and 1, 2- ethylene glycol. The chemical formula is (CH2OH)2, which is the simplest diol. Ethylene glycol is a colorless, odorless and sweet liquid with low toxicity to animals. Ethylene glycol is soluble in water and acetone, but insoluble in ether. Used as solvent, antifreeze and raw material for synthetic polyester. Polyethylene glycol (PEG) is a polymer of ethylene glycol, a phase transfer catalyst and also used for cell fusion. Its nitrate ester is an explosive.
The above contents refer to Baidu Encyclopedia-Oxamide Baidu Encyclopedia-polyglycolic acid.