Journal
BIORESOURCE TECHNOLOGY
Volume 192, Issue -, Pages 68-74Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.05.040
Keywords
Biomass; Black-liquor lignin; Plastics; Catalytic co-pyrolysis; Fluidized bed
Funding
- National Natural Science Foundation of China [51306036]
- National Basic Research Program of China (973 Program) [2012CB215306]
- Jiangsu Natural Science Foundation [BK20130615]
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Catalytic co-pyrolysis of black-liquor lignin and waste plastics (polyethylene, PE; polypropylene PP; polystyrene, PS) was conducted in a fluidized bed. The effects of temperature, plastic to lignin ratio, catalyst and plastic types on product distributions were studied. Both aromatic and olefin yields increased with increasing PE proportion. Petrochemical yield of co-pyrolysis of PE and lignin was LOSA-1 > spent FCC > Gamma-Al2O3 > sand. The petrochemical yield with LOSA-1 is 43.9% which is more than two times of that without catalyst. The feedstock for co-pyrolysis with lignin is polystyrene > polyethylene > polypropylene. Catalytic co-pyrolysis of black-liquor lignin with PS produced the maximum aromatic yield (55.3%), while co-pyrolysis with PE produced the maximum olefin yield (13%). (C) 2015 Elsevier Ltd. All rights reserved.
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