Chayanon Nont Sawatdeenarunat

Chayanon Nont Sawatdeenarunat
University of Hawaiʻi at Hilo | UHH · College of Agriculture, Forestry and Natural Resource Management

Doctor of Philosophy

About

15
Publications
5,494
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1,001
Citations
Citations since 2017
10 Research Items
931 Citations
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2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
2017201820192020202120222023050100150200
Additional affiliations
January 2014 - present
University of Hawaiʻi at Mānoa
Position
  • Graduate Assiatant

Publications

Publications (15)
Article
Full-text available
The synthesis of polyhydroxyalkanoates (PHA) using mixed microbial cultures (MMC) has been studied in three stages: a sequencing batch reactor, a PHA accumulation reactor, and a pyruvate effect. Tainan pig farm, Chiayi pig farm, and Feng Chia University’s sludge were the three seed sludges tested. Two distinct substrates are used, such as effluent...
Article
Full-text available
Anaerobic digestion (AD) of elephant camp–derived wastes was studied using series of batch experiments. Three different materials derived from elephant dung namely fresh elephant dung (FD), washing water (WW), and washed fiber (WF) served as the substrates. The theoretical methane potentials of the solid substrates were 786.0 and 580.6 LCH4/gVSadde...
Article
Full-text available
Napier grass (Pennisetum purpureum) is a high yield tropical grass with great potential for anaerobic digestion. Two-phase anaerobic dry digestion (TADD), considered an alternative for anaerobic wet digestion system (AWD) with only front-end leach bed reactor (LBR), is added to existing liquid digester, was tested under different leachate circulati...
Article
Full-text available
This study aims to characterize the combustion of the biomass stove filled with a porous medium for air pre-heating to enhance the biomass decomposition. An equivalence ratio, one of the important parameters for the combustion, was investigated to evaluate the completeness of the combustion process. Thermal efficiency was used as the indicator to r...
Article
Anaerobic digestion (AD) of lignocellulosic biomass has received significant attention for bioenergy production in recent years. However, hydrolysis is a rate-limiting in AD of such feedstock. In this study, effects of hydrothermal pretreatment of Napier grass, a model lignocellulosic biomass, on methane yield were examined through series of batch...
Chapter
Anaerobic digestion (AD) has gained significant attention in recent years. In addition to producing renewable energy and bio-based chemicals from diverse organic feedstock, AD process also remediates organic waste streams along with curtailing greenhouse gas (GHG) emission. Operational conditions and anaerobic reactor configurations are continuousl...
Article
Anaerobic digestion (AD) of lignocellulosic biomass i.e. Napier grass (Pennisetum purpureum), was investigated via a series of batch and bench-scale experiments. Two semi-continuous bench-scale horizontal bioreactors were operated in parallel for nearly 300 days, and the reactors were able to handle the organic loading rate (OLR) up to 6 kg volatil...
Article
A series of batch experiments were conducted to investigate the effects of inoculum type, oxygen (O2) dosage, and incubation time on volatile fatty acids (VFAs) production during anaerobic digestion (AD) of Napier grass (Pennisetum purpureum), a high yielding energy crop. The results showed that anaerobically digested cattle manure (ADCM) as an ino...
Article
Anaerobic Digestion (AD) has been in use for many decades. To date, it has been primarily aimed at treating organic wastes, mainly manures and wastewater sludge, and industrial wastewaters. However, with the current advancements, a more open mind is required to look beyond these somewhat restricted original applications of AD. Biorefineries are suc...
Article
Full-text available
Population growth and increasing affluence worldwide have resulted in a significant increase in energy and material consumption as well as waste generation. Currently, the main source of energy and materials is petroleum, which has serious implications for energy security and the environment (e.g., climate change). The efficient conversion of abund...
Article
Carboxylic acids produced by acid fermentation have attracted much attention recently as promising chemical feedstock. The feasibility of the acid fermentation as a high-value added bioconversion process depends on the selective separation of carboxylic acids from the bulk solution. The authors synthesized an aminopropyl-functionalized mesoporous s...
Article
Full-text available
Innovative waste biomass derived organic acids synthesis, immobilization, and purification system

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Projects

Project (1)
Project
To maximize benefit of the AD system as well as minimize waste production