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On August 3, the website of the Development and Reform Commission of Dezhou City, Shandong Province announced the approval of the seventh batch of projects in 2021
.
Nylon 66 high-end new material project
Nylon 66 high-end new material projectConstruction period: 2021-2023
Construction period:Total investment: 3.
078 billion yuan
Construction site: Dezhou Canal Hengsheng Chemical Industrial Park, Decheng District, Dezhou City, Shandong Province
Construction site:Construction scale and content:
Construction scale and content:●Construct a 360,000-ton/year nitric acid plant with ammonia as raw material and double pressurization process technology;
● Using cyclohexanol as raw material, adopt nitric acid oxidation to produce adipic acid technology, and build 200,000 tons/year adipic acid plant;
●● Using adiponitrile and hydrogen as raw materials and adopting advanced low-pressure hydrogenation technology of adiponitrile to build a 42,000-ton/year hexamethylenediamine plant;
●● Using adipic acid and hexamethylenediamine as raw materials, using aqueous solution method nylon 66 salt and continuous polymerization technology to build two sets of 40,000 tons/year nylon 66 plants;
●● Public works, auxiliary facilities and safety and environmental protection facilities are matched accordingly
.
●
After the project is completed and put into operation, the annual output of nylon 66 high-end new material products is 80,000 tons, adipic acid 148,000 tons, nitric acid 180,000 tons, and by-product dibasic acid 13,500 tons
.
The main processes of the project include: ammonia oxidation to nitric acid, cyclohexanol nitric acid oxidation to produce adipic acid, adiponitrile hydrogenation to produce hexamethylene diamine, adipic acid and hexamethylene diamine are repolymerized by nylon 66 salt to produce nylon 66 products
.
The main process of the project includes:
The main equipment includes: ammonia nitric acid oxidation furnace, four-in-one unit, adipic acid oxidation reactor, crystallizer, nylon 66 crude salt reactor, polymerizer, adiponitrile hydrogenation reactor and other core equipment, as well as various towers , heat exchangers, packaging equipment, pump fans, mixers, containers, filters and other equipment, a total of about 1,000 sets
.
The main equipment includes:
120,000 tons/year PBAT degradable plastic project
120,000 tons/year PBAT degradable plastic projectConstruction period: 2021-2023
Construction period:Total investment: 4.
428 billion yuan
Construction site: Dezhou Canal Hengsheng Chemical Industrial Park, Decheng District, Dezhou City, Shandong Province
Construction site:Construction scale and content:
Construction scale and content:●Using calcium carbide as raw material, using calcium carbide dry method to produce acetylene technology, to build 100,000 tons/year acetylene plant;
● Adopt the methanol air oxidation iron molybdenum catalyst method to produce formaldehyde technology, and build a 720,000 tons/year formaldehyde plant (calculated at 37wt%);
●● Using formaldehyde, acetylene and hydrogen as raw materials, and adopting advanced acetylene aldehyde method for 1,4-butanediol production technology, build a 300,000-ton/year 1,4-butanediol (BDO) plant, with a supporting construction of 25,000 Nm³ /h pressure swing adsorption hydrogen production device;
●● Using 1,4-butanediol, terephthalic acid (PTA) and adipic acid as raw materials, adopting one-step polycondensation reaction technology to build 120,000 tons/year of butylene terephthalate adipate (PBAT) ) device;
●● Using 1,4-butanediol as raw material, using BDO gas-phase dehydrogenation to produce γ-butyrolactone, catalytic synthesis technology of γ-butyrolactone and monomethylamine, to build 50,000 tons/year of N-methylpyrrolidone ( NMP) device;
●● Public works, auxiliary facilities and safety and environmental protection facilities are matched accordingly
.
●
After the project is completed and put into operation, the annual output will be 179,500 tons of 1,4-butanediol, 120,000 tons of butylene terephthalate adipate (PBAT), 50,000 tons of N-methylpyrrolidone, and 0.
51 tons of by-product butanol.
10,000 tons, 13,200 tons of tetrahydrofuran
.
The main processes of the project include: calcium carbide dry production of acetylene, methanol air oxidation production of formaldehyde, acetylene aldehyde production of 1,4-butanediol, one-step polycondensation reaction production of butylene terephthalate adipate, BDO gas phase dehydrogenation The production of γ-butyrolactone, γ-butyrolactone and monomethylamine catalyzed the synthesis of N-methylpyrrolidone
.
The main process of the project includes:
The main equipment includes: acetylene generator, formaldehyde reactor, acetylenic reactor, hydrogenation reactor, PBAT polymerization reactor, BDO dehydrogenation reactor, N-methylpyrrolidone reactor and other core equipment, as well as various towers, Heat exchangers, packaging equipment, pump fans, mixers, containers, filters and other equipment, a total of more than 1,000 sets
.
