@inproceedings{NZAAREERE1645,
  title     = {Optimization of Lignin Separation Process from Black Liquor Using Strong Acids and Supercritical CO₂},
  author    = {Natthatida Kunwong and Navadol Laosiripojana and Verawat Champreda},
  booktitle = {The First NZAAR International Event Series on Natural and Built Environment, Cities, Sustainability and Advanced Engineering},
  address   = {Putrajaya, Malaysia},
  publisher = {New Zealand Academy of Applied Research},
  year      = {2016},
  pages     = {106--107},
  issn      = {2463-5979},
  note      = {Paper NZAAR-EERE-16-45},
  url       = {https://gdiacademy.org/nzaar/EERE-16-45.html}
}