Songtham Photaworn

Process development of two-step esterification on waste vegetable oil with very high free fatty acid

Songtham Photaworn, 2017 .

Investigation of saponification mechanisms in biodiesel production: Microscopic visualization of the effects of FFA, water and the amount of alkaline catalyst

C. Tongurai, Suratsawadee Kungsanant, Ruamporn Nikhom, 2020 .

Process development of two-step esterification plus catalyst solution recycling on waste vegetable oil possessing high free fatty acid

C. Tongurai, Songtham Photaworn, Suratsawadee Kungsanunt, 2017 .

Miscibility and mass transfer in biodiesel production observed by LCD digital microscope

C. Tongurai, Suratsawadee Kungsanant, Songtham Photaworn, 2020, Biomass Conversion and Biorefinery.

A novel inspection of mechanisms in conversion of refined palm oil to biodiesel with alkaline catalyst

C. Tongurai, Kulchanat Prasertsit, D. N. Thoai, 2019, Fuel.

A Novel Chemical Method for Determining Ester Content in Biodiesel

Anil Kumar, C. Tongurai, Kulchanat Prasertsit, 2017 .

Miscibility and mass transfer in biodiesel production observed by LCD digital microscope

C. Tongurai, Suratsawadee Kungsanant, Songtham Photaworn, 2020 .

Using reactive distillation for upgrading bio-oil from co-pyrolysis of palm kernel shell and palm empty fruit bunches

Kulchanat Prasertsit, Sukritthira Rattanawilai, Songtham Photaworn, 2021 .

Enhancing biodiesel production in stirred tank reactors through the implementation of a baffle array: Creating a reactor with unique characteristics

Kulchanat Prasertsit, Songtham Photaworn, Atipad Thipdech, 2024, Bioresource Technology Reports.

Process Intensification of Biodiesel Production using Pilot-scale Continuous Multiple Baffle Reactor with Feed Distribution

Kulchanat Prasertsit, Songtham Photaworn, Atipad Thipdech, 2023, Chemical Engineering and Processing - Process Intensification.