Tech-economic evaluation of waste cooking oil to bio-flotation agent technology in the coal flotation industry. (15th May 2015)

• Record Type: Journal Article
• Authors: Yi, Qun; Li, Wenying; Zhang, Xiaochao; Feng, Jie; Zhang, Jilong; Wu, Jinjing
• Is Part Of: Journal of cleaner production. Volume 95(2015:May 15)
• Page Start: 131
• Page End: 141
• Publication Date: 2015-05-15
• Subjects: Waste cooking oil -- Bio-flotation agent -- Tech-economic evaluation -- Coal flotation; Factory and trade waste -- Management -- Periodicals; Manufactures -- Environmental aspects -- Periodicals; Déchets industriels -- Gestion -- Périodiques; Usines -- Aspect de l'environnement -- Périodiques; 628.5
• DOI: 10.1016/j.jclepro.2015.02.020
• Languages: English
• ISSNs: 0959-6526

Abstract

Abstract: Waste cooking oil (WCO) can be converted into a bio-flotation agent (BFA) which can replace diesel and develop into a new coal flotation agent with the Zr-SBA-15 catalyst. A tech-economic assessment of WCO-to-BFA on the basis of the pilot program showed that compared with petro-diesel, WCO-to-BFA technology can help save energy by 13%, reduce CO2 emission by 76%, and save production costs by 0.003–0.005 USD·MJ −1 . WCO-to-BFA technology provided an excellent result regarding BFA substituting diesel as a coal flotation agent, which can lead to reduction of standard coal consumption by 1.2 kg, reduction of CO2 emission by 5.5 kg, reduction of production costs for each ton of coal slime by 0.836 USD in the whole production chain lifecycle that includes the application of WCO-to-BFA technology into coal flotation process. It has proven that the WCO-to-BFA technology is an efficient, economic and environmentally friendly technique which has widespread applications and bright market prospects. Graphical abstract: Highlights: A tech-economic evaluation for WCO-to-BFA technology was performed. WCO-to-BFA is a clean, efficient and economic technology for WCO utilization. WCO-to-BFA can obtain profits from BFA with the minimum price 954 USD t −1 . WCO-to-BFA technology has great potential applicability in coal flotation.