Dao Janjaroen

Dao Janjaroen

About

21
Publications
4,583
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462
Citations
Citations since 2016
16 Research Items
373 Citations
2016201720182019202020212022020406080100
2016201720182019202020212022020406080100
2016201720182019202020212022020406080100
2016201720182019202020212022020406080100

Publications

Publications (21)
Chapter
On this planet, fungal species play an important role in maintaining the nutrient cycle and decomposing decayed and waste materials, including the cleanup of anthropogenic hazardous pollutants. These fungal species vary in their nature of thriving and are broadly classified into filamentous fungi, molds, yeasts, and basidiocarps. In recent years, f...
Article
Recently, research studies in identifying microplastics (MPs) from various environment has become a notable work, in the view of MPs as emerging pollutants as well as due to many undiscovered high-level impacts to both the environment and living beings. Out of many other sources, municipal solid waste land disposal methods, both controlled landfill...
Article
This study aims to reuse food waste (FW) as growth media for bacterial cultures for bioremediation of heavy metal. The best natural medium was selected based on the carbon, nitrogen, and other elements. The batch culture of Comamonas terrae showed growth stability for 16 days in the pig bone medium. C. terrae showed the best growth at pH of 7.4, te...
Article
Full-text available
Per- and polyfluoroalkyl substances (PFAS) are organofluorine compounds has been manufactured for more than five decades and used in different purposes. Among persistent organic pollutants, PFAS are toxic, bioaccumulative in humans, wildlife, and global environment. As per environmental protection agency (EPA) guidelines, the perfluorooctanoate and...
Article
Anaerobic digestion is widely used for wastewater treatment, but this approach often relies on microbial communities that are adversely affected by high-salinity conditions. This study investigated the applicability of an anaerobic moving bed biofilm reactor (AMBBR) to treating high-salinity wastewater. The removal performance and microbial communi...
Article
Plastics and biofilms have a complicated relationship that has great interest. Bacterial cell attachment and biofilm formation is considered to cause health and environmental risks from plastic waste accumulation. In water, plastic waste could serve as a new substrate for bacteria. In our study, the attachment of Escherichia coli K12, to four types...
Conference Paper
Full-text available
This study presents municipal solid waste management (MSWM) schemes of Samut Prakarn province, Thailand. It aims to prepare solid waste information and to propose a MSWM system that has not been studied as the city expands. Waste quantification and environmental impact quantity in the year 2019 were evaluated. MFA with freeware STAN 2.6 was applied...
Article
Full-text available
This study presents solid waste management planning in an urban green area, Bangkok, Thailand based on the material flow analysis (MFA) and life cycle assessment (LCA). Global warming potential (GWP) of four scenarios for handling solid waste generated in Chulalongkorn University Centenary Park, 2018 was assessed concerning the different ratios of...
Conference Paper
Full-text available
This study presents solid waste management (SWM) schemes of the Chulalongkorn University Centenary Park, Bangkok to prepare solid waste information and propose a solid waste management system that had not much attended as urbanization. Solid waste quantification and environmental impact quantity of five scenarios in 2018 were evaluated. Material fl...
Poster
Full-text available
Solid waste was a significant problem in the capital of Thailand with the current population of 10 million that lack of knowledge and to be used less of solid waste were causing problems for the environment. Urban development decreasing the green areas per capital even lower than the standard. Chulalongkorn University established Chulalongkorn Univ...
Conference Paper
Full-text available
Chulalongkorn University established the Park in 2018 as a model for sustainable solid waste management. However, a survey on characterization and quantification of solid waste in public park in Bangkok was rare. Therefore, determining the quantity and quality of solid waste in Chulalongkorn University Centenary Park were the main objective of the...
Article
A general approach to managing municipal solid waste is by incineration. Unfortunately, large amounts of municipal-solid-waste-incineration fly ash (MSWI FA) is produced in the process, with their heavy metals content posing further problems to the environment. One fundamental treatment of MSWI FA heavy metals is called solidification-stabilization...
Article
Phytoremediation with vetiver was investigated in relation to heavy metal contaminated soil in Thailand. The work compared the performance of two species of vetiver named Songkhla 3 (Chrysopogon zizaniodes) and Prachuap Khiri Khan (Chrysopogon nemoralis) in absorbing lead, zinc, and cadmium in contaminated soils. Toxicity Characteristic Leaching Pr...
Article
Fly ash is an industrial waste material that is repurposed as a soil stabiliser worldwide. In Thailand, many ground improvement projects utilise mixtures of cement and fly ash to stabilise weak soils. In this study, leaching mechanisms of arsenic, chromium, lead, and zinc from cement and fly ash stabilised soils were investigated in the laboratory....
Article
Full-text available
The adsorption of arsenate on iron oxide particles was studied as a function of pH and hardness concentrations. Morphology of the studied iron oxide surface was rough and irregular. The major chemical composition of iron oxide particles was Fe2O3 (96%). The optimal solution pH for adsorption was 8.0. The equilibrium of arsenic concentration was rea...
Article
More than 760 million people around the world lack access to clean drinking water. A biosand filter was developed through the collaboration of research groups in developing and developed countries. This type of filter is considered a point-of-use filtration system that can be easily in-stalled at home, and has shown promising results. Thousands of...
Article
Mechanical and structural properties of biofilms influence the accumulation and release of pathogens in drinking water distribution systems (DWDS). Thus, understanding how long-term residual disinfectants exposure affects biofilm mechanical and structural properties is a necessary aspect for pathogen risk assessment and control. In this study, elas...
Article
Biofilms in drinking water distribution systems (DWDS) could exacerbate the persistence and associated risks of pathogenic Legionella pneumophila, thus raising human health concerns. However, mechanisms controlling adhesion and subsequent detachment of L. pneumophila associated with biofilms remain unclear. We determined the connection between L. p...
Article
Mechanisms of Escherichia coli attachment on biofilms grown on PVC coupons were investigated. Biofilms were grown in CDC reactors using groundwater as feed solution over a period up to 27 weeks. Biofilm physical structure was characterized at the micro- and meso-scales using Scanning Electron Microscopy (SEM) and Optical Coherence Tomography (OCT),...
Article
Full-text available
A Radial Stagnation Point Flow (RSPF) system coupled with a microscope was used to study deposition of Cryptosporidium parvum oocysts on quartz and Suwannee River Natural Organic Matter (SRNOM)-coated surfaces in solutions with different Ca(2+) or Mg(2+) concentrations. Both untreated and proteinase K-treated oocysts were used. Deposition of oocyst...
Article
Full-text available
A radial stagnation point flow (RSPF) system combined with a microscope was used to determine the deposition kinetics of Cryptosporidium parvum oocysts on quartz surfaces and silica surfaces coated with Suwannee River natural organic matter (SRNOM) in solutions with different ionic strengths. Microscopic evidence of C. parvum oocysts entrapped in t...

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