Industrial Bagasse Soda Pulping

Industrial bagasse soda
pulping black liquor was obtained from Environment Pulp and Paper
Company Limited, Nakhon Sawan, Thailand. Carbon dioxide (CO_2, 99.5%) was purchased from Praxair (Thailand) Co., Ltd. and used
in the acidification process. Kraft lignin (alkaline), potassium hydroxide,
and para-hydroxybenzoic acid were purchased from Sigma Aldrich. Sulfuric
acid (H₂SO₄, 98%) and hydrochloric acid (HCl,
37%) were purchased from Honeywell Fluka.

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Yiamsawas D., Watcharin K, & Pongprayoon T. (2023). Enhanced Performance of Lignin Recovery with a Carbon Dioxide Acidification Method. ACS Omega, 8(8), 7438-7447.

Publication 2023

para-hydroxybenzoic acid

Bagasse Carbon dioxide Hydrochloric acid Kraft lignin Liquor Para hydroxybenzoic acid Potassium hydroxide Pulp

Corresponding Organization : King Mongkut's University of Technology North Bangkok

Other organizations : National Nanotechnology Center, National Science and Technology Development Agency

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Variable analysis

independent variables

Carbon dioxide (CO2, 99.5%)

dependent variables

Not explicitly mentioned

control variables

Kraft lignin (alkaline)
Potassium hydroxide
Para-hydroxybenzoic acid
Sulfuric acid (H2SO4, 98%)
Hydrochloric acid (HCl, 37%)

positive controls

Not mentioned

negative controls

Not mentioned

Annotations

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