Outsourced calcium carbide and acetylenic aldehyde processes, and details of PBAT's 104,000-ton BDO project disclosed

The Biodegradable and Recyclable Center was informed that recently, the Xinjiang Uygur Autonomous Region Department of Ecology and Environment released the environmental impact assessment announcement of the third phase of Xinjiang Lanshan Tunhe Energy Co.

It is reported that Lanshan Tunhe BDO has put into production 204,000 tons, PBAT has put into operation 130,000 tons, and another 240,000 tons of PBAT project is under construction

Project Status

Construction site: It is located in the factory area of ​​Lanshan Tunhe Energy Co.

Type of construction: Expansion

Construction period: 2 years

Total construction investment: 1,962.

The 1.

Construction content: It is proposed to build a 104,000 t/a production line (single BYD reactor, crude BYD storage tank and BYD storage tank in the intermediate tank area connected with the second phase, and 1,4-butanediol (BDO) product tank in the intermediate tank area 2×2000m³, adding 400m³ of butanol storage tank), supporting the construction of a set of 12,000Nm³/h hydrogen production unit with a design capacity of 40,000 t/a acetylene generation unit; 230,000 t/a (37wt%) formaldehyde production unit (newly built formaldehyde production unit) Storage tank 3×1000m³); new 120m³ sewage treatment station and its deodorization facilities; supporting calcium carbide crushing system; newly established carbon material drying kiln and conveying system

Device scale, product output and raw and auxiliary materials

main device

Overall process route and production method

The acetylene production in this project adopts the calcium carbide dry acetylene generation process, including the secondary crushing and screening of calcium carbide, feeding, acetylene generator reaction, and acetylene gas purification