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All Journal International Journal on Food, Agriculture and Natural Resources (IJFANRES)
Chaichana, Chatchawan
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Agriculture, Biological Sciences & Forestry

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Validation of a Sunlight Availability Simulation Model Man, Ar; Chaichana, Chatchawan; Rinchumphu, Damrongsak; Wicharuck, Suwimon; Wanison, Ramnarong
International Journal on Food, Agriculture and Natural Resources Vol 5, No 4 (2024): IJ-FANRES
Publisher : Food, Agriculture and Natural Resources - NETWORKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46676/ij-fanres.v5i4.411

Abstract

Sunlight availability for plants plays an important role in determining whether a plant can produce its maximum productivity output. The study developed a Rhinoceros simulation model that can predict the sunlight availability received in the surface of interest on a vertical farming (VF) shelf design for a particular crop, given that the weather data of the location is known. The simulation model was developed and validated against the experiment. Moreover, the simulation model is compared against other research data from different countries. The dimensions of the experiments from Indonesia and Japan were replicated in the developed Rhinoceros simulation model, and the simulation results were compared against the experiment results. The analysis shows that the model can predict sunlight availability in a similar way to the research data of other studies.
Sustainable Strategies for Broiler Waste Management: Insights from Stakeholder Prioritization in Thailand Bandara, Senaka; Chaichana, Chatchawan
International Journal on Food, Agriculture and Natural Resources Vol 6, No 2 (2025): IJ-FANRES
Publisher : Food, Agriculture and Natural Resources - NETWORKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46676/ij-fanres.v6i2.435

Abstract

Thailand’s significant contribution to the global chicken meat industry demands the adoption of sustainable broiler waste management practices, particularly as countries worldwide strive to implement strict policies aimed at reducing emissions from agricultural products.  This study employed the Analytic Hierarchy Process (AHP) to analyze diverse stakeholder perceptions regarding the adoption of these practices, utilizing a multi-criteria decision-making approach. Experts prioritized environmental concerns (0.4386), emphasizing sustainability, while farm owners prioritized economic factors (0.5987), reflecting profit-driven motives. Subcriteria analysis highlighted the significance of financial aspects, with “Capital cost” attaining the highest weight (26.05%), followed by environmental concerns like “Climate change” (11.05%). Technical feasibility and societal considerations received moderate prioritization. Stakeholder preferences for waste management methods further highlighted divergent perspectives, with experts favoring gasification for its environmental benefits, while owners prioritized land application for its cost-effectiveness. Composting emerged as a balanced choice. These findings emphasize the importance of considering diverse criteria in waste management decision-making, highlighting the need for comprehensive approaches to ensure sustainability in Thailand's broiler waste management practices.
Assessing the Sustainability of Broiler Waste Management Strategies in Thailand through Analytical Hierarchy Process Analysis Bandara, Senaka; Chaichana, Chatchawan; Borirak, Nitthinan
International Journal on Food, Agriculture and Natural Resources Vol 5, No 1 (2024): IJ-FANRes
Publisher : Food, Agriculture and Natural Resources - NETWORKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46676/ij-fanres.v5i1.275

Abstract

This study addresses the imperative of sustainable broiler waste management in Thailand, a significant global producer and exporter of broiler meat. Utilizing an Analytic Hierarchy Process (AHP) analysis, it systematically evaluates three waste management strategies – direct land application, composting, and gasification – across environmental, economic, technical, and social criteria with 15 sub-criteria. Climate change is identified as the top priority sub-criterion, followed closely by water use. Gasification emerges as the most preferred option with 52.6% preference, outperforming composting (24.8%) and direct land application (22.6%). A comprehensive analysis reveals gasification's superior environmental and social performance, while direct land application demonstrates economic efficacy. Composting exhibits a well-rounded performance across all criteria. Pioneering the AHP model in broiler waste management, this study offers policymakers crucial insights for formulating sustainable long-term policies to address this pressing issue.
Lignite Upgradation of Mae Moh Power Plant Thailand via Low – Temperature Pyrolysis Thant, Yin May; Malik, Fawad Rahim; Chaichana, Chatchawan
International Journal on Food, Agriculture and Natural Resources Vol 4, No 4 (2023): IJ-FANRes
Publisher : Food, Agriculture and Natural Resources - NETWORKS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46676/ij-fanres.v4i4.223

Abstract

The lignite at Mae Mo mine in Lampang Thailand, which is the focus of this study is ranked as the lowest class in coal classification. The lignite is currently burned directly in boilers for electricity production, resulting in inefficiencies. The objective is to use low-temperature pyrolysis to improve the lignite. Lab-scale experiments were conducted using different lignite particle sizes (2.36 mm, 1.00 mm, and 0.25 mm) at temperatures ranging from 250-600°C and retention times of 0-60 mins. The best quality lignite was achieved processing a particle size of 2.36 mm at a temperature of 350°C and a retention time of 20 mins. The gross calorific value, fixed carbon, and char content increased with higher operating temperatures. Weight loss occurred between 300-600°C due to the degradation of volatile organic fractions and char formation. Ash and sulfur constituents increased in smaller coal sizes. The average gross calorific value of char was 23.04-27.19 MJ/kg. Lower operating temperatures, larger coal sizes, and sufficient retention time are recommended for the pyrolysis process to achieve optimal results.
Co-Authors Bandara, Senaka Borirak, Nitthinan Malik, Fawad Rahim man, ar Rinchumphu, Damrongsak Thant, Yin May Wanison, Ramnarong Wicharuck, Suwimon