Florencio C Ballesteros Jr

Florencio C Ballesteros Jr
University of the Philippines | UPD · Department of Chemical Engineering

Doctor of Philosophy

About

64
Publications
15,779
Reads
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1,298
Citations
Additional affiliations
January 1994 - September 2020
University of the Philippines
Position
  • Professor
Education
January 2002 - May 2008
New Jersey Institute of Technology
Field of study
  • Environmental Science
August 1997 - May 1998
University of Illinois, Urbana-Champaign
Field of study
  • Environmental Engineering and Science

Publications

Publications (64)
Article
Most water management methodologies require comprehensive studies and thus, entail voluminous data, time, and scientific expertise. Sensorial evaluation techniques were thus, considered as these represent methods with minimal cost and can involve the local communities. This study applied the Sarno River Visual Assessment Protocol (SRVAP), a modifie...
Article
Abstract In search of new options to achieve removal of pharmaceuticals in the environment, combined ultrasound and ozonation has become a focus of intense investigation for wastewater treatment. In this study, three pharmaceuticals were selected as model compounds for degradation experiments: diclofenac (DCF), sulfamethoxazole (SMX) and carbamazep...
Article
We report concentrations, enrichment factors, and hazard indicators of 11 metals (Ag, As, Cd, Co, Cu, Fe, In, Mn, Ni, Pb, and Zn) in soil and dust surface matrices from formal and informal electronic waste (e-waste) recycling sites around Metro Manila, the Philippines, referring to soil guidelines and previous data from various e-waste recycling si...
Article
The links between built form and environmental health are, as yet, inadequately understood. Risk is a formless and ambiguous phenomenon tightly embedded in the myriad pattern of land uses that generate it. Our research, which is founded on a contextualist notion of policy design, demonstrates the potential of innovative land use policy instruments...
Chapter
Integration of the electrochemical and membrane filtration processes in water and wastewater treatments systems has been shown to enhance the removal of conventional and nonconventional pollutants from wastewater. In addition, this integration reduces the rate of membrane fouling, rejects pollutants more effectively, and improves clean water genera...
Article
Full-text available
Pharmaceutical and personal care products (PPCPs) recently defined as emerging pollutants that widespread in surface water all around the world. This study investigated the distribution, and ecological risk of PPCPs in urban rivers of Hanoi, Vietnam, and Metro Manila, the Philippines. Of the 56 investigated PPCPs, 48 and 33 compounds were detected...
Article
There is a global need for residual waste management to prevent environmental and health hazards and reduce its volume for disposal to sanitary landfills. A waste-to-energy (WtE) facility can provide solutions by converting energy from waste to generate electricity. In this study, a method of selecting the most appropriate WtE technology for residu...
Article
The concept of a novel living encapsulated self-forming dynamic bio-membranes (ESFDM) for an innovative wastewater treatment in membrane bioreactor (MBR) is presented in the current study. The active filtering membrane is encapsulated, and thus stabilized, between two support meshes with pore in micrometer size. The combination of activated sludge,...
Article
Waste disposal is an important issue that needs to be addressed, not only for health and environmental reasons but also for its social and economic impacts. Three important waste streams that contribute to the growing amount of wastes generated come from medical, industrial, and electronic residual wastes. These residual wastes are usually just bei...
Conference Paper
Sanitary landfill is considered as a final repository of residual wastes. However, there is a need for volume reduction to increase the lifespan of the landfill and to stabilize these wastes to prevent environmental and health hazards. A possible option to achieve these objectives is a waste-to-energy (WtE) facility that can significantly reduce re...
Article
This review paper aims to identify the main sources of carbon dioxide (CO2) emissions from wastewater treatment plants (WWTPs) and highlights several technologies developed to capture CO2 in this milieu. CO2 is emitted in all the operational units of conventional WWTPs, and even after the disposal of treated effluents and sludges. CO2 emissions fro...
Article
Green and sustainable strategies aim for the development of manufacturing processes that maximize the use of resources, instigating the semiconductor industry to adopt zero-liquid discharge policies. Complexity and variations in semiconductor wastewater effluents open an opportunity for resource recovery. One such opportunity is the potential recov...
Article
The effect of addition of algae to activated sludge as active biomass in membrane bioreactors (MBRs) and electro-MBRs (e-MBRs) for wastewater remediation was examined in this study. The performances of Algae-Activated Sludge Membrane Bioreactor (AAS-MBR) and electro Algae-Activated Sludge Membrane Bioreactor (e-AAS-MBR) were compared to those obser...
Article
Full-text available
Odours emissions from various facilities such as wastewater treatment plants (WWTPs), are becoming one of the main issues to face down for the plant operators to avoid complaints and potential impact, especially for the plants located nearby to the residential areas. The need to implement odour control strategies, for instance by using treatment te...
Article
There a lot of review papers addressing specific COVID-19 research sectors, then devoted to specialists. This review provides an in-depth summary of the available information about SARS-CoV-2 and the corresponding disease (also known as COVID-19), with a multi-disciplinary approach. After the paper introduction, the first section treats the virolog...
Article
Full-text available
Considerable attention has been recently given to possible transmission of SARS-CoV-2 via water media. This review addresses this issue and examines the fate of coronaviruses (CoVs) in water systems, with particular attention to the recently available information on the novel SARS-CoV-2. The methods for the determination of viable virus particle an...
Article
Photocatalysis is a well-known low-cost approach for the degradation of pollutants utilizing the energy of light. However, the most studied photocatalysts are characterized by wide bandgaps (TiO2, ZnO, Cu2O), restricting the solar light utilization to UV. In this study, a magnetic composite catalyst comprised of Fe3O4@SiO2 core-shell nanoparticles,...
Article
Full-text available
Instrumental odour monitoring systems (IOMS) are intelligent electronic sensing tools for which the primary application is the generation of odour metrics that are indicators of odour as perceived by human observers. The quality of the odour sensor signal, the mathematical treatment of the acquired data, and the validation of the correlation of the...
Article
Full-text available
This paper presents an updated and comprehensive review on the different methods used for detection and quantification of viruses in wastewater treatment systems. The analysis of viability of viruses in wastewater and sludge is another thrust of this review. Recent studies have mostly focused on determining the abundance and diversity of viruses in...
Chapter
Full-text available
Ultrasonication with water recirculation slightly enhanced the removal of toluene compared to water recirculation alone due to conjunction of pyrolysis and hydroxyl radical oxidation with absorption. On the other hand, the addition of ozone with ultrasonication decreased the removal efficiency due to scavenging of hydroxyl radicals. The reaction ra...
Article
Pharmaceutical active compounds (PhACs) have been detected at significant concentrations in various natural and artificial aquatic environments. In this study, electro membrane bioreactor (eMBR) technology was used to treat simulated municipal wastewater containing widely-used pharmaceuticals namely amoxicillin (AMX), diclofenac (DCF) and carbamaze...
Article
Full-text available
Unwanted odour emissions are considered air pollutants that may cause detrimental impacts to the environment as well as an indicator of unhealthy air to the affected individuals resulting in annoyance and health related issues. These pollutants are challenging to handle due to their invisibility to the naked eye and can only be felt by the human ol...
Article
This research examined the solidification/stabilization process of using a cement binder with actual electroplating sludge. An extensive comparative analysis was done with the cement–sludge mixture before and after the application of cement additives (kaolinite clay, waste latex paint and calcium chloride). The characterization analysis using the F...
Article
Green and sustainable strategies aim for the development of manufacturing processes that maximize the use of resources instigating semiconductor industry to adopt zero-liquid discharge policies. Complexity and variations of semiconductor wastewater effluents opens an opportunity for resource recovery (i.e. copper from chemical-mechanical polishing)...
Article
This study attempted to characterize the microbial community and its role in anaerobic digestion of lipid. Reactors were fed semi-continuously with three related substrates, oil and its degradation intermediates (glycerol and long chain fatty acids (LCFAs)), with a stepwise increase in organic loading rate for 90 days. Microbial community analysis...
Conference Paper
Full-text available
Measuring odour concentration is a significant step to achieve efficient environmental odour management in continuous, objective and repeatable manner. To deal with this, researchers developed instrumental odour monitoring systems (IOMS) by applying odour monitoring models (OMM) for prediction. At present, limited data are available in the literatu...
Article
Full-text available
High operational cost due to membrane fouling propensity remains a major drawback for the widespread application of membrane bioreactor (MBR) technology. As a result, studies on membrane fouling mitigation through the application of integrated processes have been widely explored. In this work, the combined application of electrochemical processes a...
Article
Full-text available
Waste mobile phone is one of the subgroups of e-waste which is defined as discarded electronic products in the Philippine context. This study estimated current and projected quantities of waste mobile phones in the country using feed forward neural network. The neural network architecture used had three layers: (i) input layer, (ii) hidden layer, a...
Article
Full-text available
Biodiesel was produced using three different alkali catalysts, namely KOH, NaOH and LiOH. The aim of the study was to determine which of these is the most effective as far as Fatty Acid Methyl Ester (FAME) yield is concerned in producing biodiesel from microalgae. Three different transesterification processes were considered; conventional, microwav...
Article
Full-text available
Three different advanced oxidation processes (AOPs) were applied to investigate the removal of emerging contaminants (ECs) i.e. sulfamethoxazole (SMX), diclofenac (DCF) and carbamazepine (CBZ) in synthetically prepared aqueous solutions. The degradation of these substances was carried out by ozonation, sonolysis and photocatalytic oxidation, as wel...
Article
Full-text available
Biodiesel was produced from microalgae under ultrasound assisted transesterification using synthesized novel alkali catalyst. The catalyst was prepared by impregnating potassium ions in the catalyst support by ion exchanging 1.0 N KOH solution with pumice powder. The catalyst was evaluated with Hammett indicators, X-ray Diffraction, Scanning Electr...
Article
Full-text available
Odour measurement plays a crucial role in environmental odour management. Continuous odour measurement systems are promoted to keep the situation always under control, such as being able to adopt the most suitable mitigation measures in real time to avoid odour complaints and impacts. Electronic Nose (eNose) represents currently the instrument of h...
Article
Phosphate recovery from wastewaters is one of the major engineering challenges to securing the worldwide food production. Fluidized-bed heterogeneous crystallization of struvite has been one of the most considered technologies. Nevertheless, the recovery of other phosphate products could be of the major interest at industrial level. Thus, in this w...
Article
We measured bioaccessible lead (Pb) in simulated gastrointestinal fluids containing Pb-contaminated soil or dust from electronic waste (e-waste) recycling sites to assess the risk of Pb ingestion. The physiologically based extraction test (PBET) was used as in vitro bioaccessibility assay. Pb speciation was determined using X-ray absorption spectro...
Chapter
One of the major source of complaint in relation to water quality in rivers is linked to odour emissions. However, in the monitoring and regulations for water quality, odour normally is not directly considered. This paper explores the application of the Odour Emission Capacity (OEC) as a surrogate parameter in the assessment of river water quality...
Article
We conducted this study to assess the occurrence, profiles, and toxicity of chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) and brominated polycyclic aromatic hydrocarbons (Br-PAHs) in e-waste open burning soils (EOBS). In this study, concentrations of 15 PAHs, 26 Cl-PAHs and 14 Br-PAHs were analyzed in EOBS samples. We found that e-waste op...
Article
Full-text available
The continuous release of emerging contaminants (ECs) in the aquatic environment, as a result of the inadequate removal by conventional treatment methods, has prompted research to explore viable solutions to this rising global problem. One promising alternative is the use of electrochemical processes since they represent a simple and highly efficie...
Article
Full-text available
Solidification and stabilization are well-known technologies used for treating hazardous waste. These technologies that use cementitious binder have been applied for decades as a final treatment procedure prior to the hazardous waste disposal. In the present work, hazardous waste like fly ash containing high concentrations of heavy metals such Zn (...
Conference Paper
In the recent decades, the use of antibiotics is of great concern due to their continuous input and persistence in aquatic ecosystems even at low concentrations. The lack of appropriate treatment systems in conventional wastewater treatment plant, the unsuitable disposal of unused or expired antibiotics and their incomplete metabolization in humans...
Conference Paper
This study investigated the viability of treating pharmaceuticals from real municipal wastewater using electrochemical process i.e. intermittent electrocoagulation. Batch experiments were performed using a laboratory scale electrochemical reactor with aluminum and stainless steel as anode and cathode, respectively. Diclofenac (DCF), carbamazepine (...
Conference Paper
Full-text available
The presence of emerging contaminants (ECs) in water resources has raised a great concern in the last decades due to their persistence in the environment and their chronic toxicological and endocrine disrupting effects on terrestrial and aquatic organisms. Thus, advanced treatment methods are necessary for the removal of these contaminants before w...
Article
Full-text available
This paper provides a critical review about the integration of electrochemical processes into membrane bioreactors (MBR) in order to understand the influence of these processes on wastewater treatment performance and membrane fouling control. The integration can be realized either in an internal or an external configuration. Electrically enhanced m...
Article
Heavy metal removal is a significant task that protects our water resources. Fluidized-bed homogeneous granulation process (FBHGP) was used to treat nickel containing wastewaters by recovering nickel in the form of nickel carbonate hydroxide granules with low moisture content rather than soft sludge. This study investigated nickel removal and recov...
Article
This study determined the removal of nickel from a synthetic Watts bath electroplating composition (NiCl2·6H2O, NiSO4·6H2O, and H3BO3) by homogeneous fluidized-bed granulation process. The effects of adding calcium ions present in an electroplating bath while varying influent nickel concentration (200 mg·L-1, 300 mg·L-1, and 400 mg·L-1), CO3:Ni mol...
Article
Leaking underground petroleum storage poses human and environmental health risks as it contaminates the soil and the groundwater. Of the many contaminants, benzene e a major constituent of gasoline, is of primary concern. It is an identified carcinogen with a permissible limit set at a low level of 0.005 mg L À1. This poses technical and regulatory...
Article
Leaking underground petroleum storage poses human and environmental health risks as it contaminates the soil and the groundwater. Of the many contaminants, benzene e a major constituent of gasoline, is of primary concern. It is an identified carcinogen with a permissible limit set at a low level of 0.005 mg L À1. This poses technical and regulatory...
Article
The present study describes the successful incorporation of graphene oxide (GO) into a binary polymer composite blend of chitosan-poly(acrylic acid) (CS-PAA) to obtain a porous hydrogel nanocomposite bead with higher lead removal and regeneration capability than any other chitosan hydrogel material or activated carbon. In the present study, we dete...
Article
The aim of this study was to evaluate the adsorption performance of activated clay (bentonite) in removing sulfur compounds from diesel fuel. Studies have proved that oxidative desulfurization is more cost effective than the traditional hydrodesulfurization process. In this investigation, oxidative desulfurization was used under mild conditions wit...
Article
Il riscontro della presenza nelle acque naturali di composti farmaceutici, anche se a basse concentrazioni, ha recentemente portato ad una cre-scente consapevolezza del loro potenziale pericolo per la salute. L'inadeguatezza dei processi conven-zionali alla completa rimozione di tali contaminanti, rende opportuna la sperimentazione di processi di t...
Conference Paper
Recently, the presence of pharmaceutical compounds, defined as emerging contaminants (ECs), at low levels in the environment, has led to an increasing awareness of their health harm due to their effects such as biodiversity loss, cancer, human infertility and the ability of developing highly resistant microbial strains. Therefore, since the convent...
Conference Paper
Full-text available
Water scarcity is a growing global concern and the meager fraction of the remaining renewable water is further reduced by environmental pollution. At present, meeting the world's water demand entails efforts to protect the remaining fresh water sources from contamination or conserve water by reuse processes. Both actions necessitate advanced treatm...
Conference Paper
The ubiquitous occurrences of pharmaceuticals in the environment have resulted to emerging adverse effects to both humans and animals. The integration of chemical and biological processes is deemed as a sound, cost-effective and environment-friendly alternative of removing emerging contaminants such as pharmaceuticals found in municipal wastewaters...
Article
Abstract The increasing application of membrane filtration in water and wastewater treatment necessitates techniques to improve performance, especially in fouling control. Ultrasound is one promising technology for this purpose as cavitational effects facilitate continuous cleaning of the membrane. This research studied ultrafiltration of lake wate...
Article
Recently detected pharmaceuticals in the environment, labeled as emerging contaminants (ECs), are linked to serious problems of biodiversity loss, emergence of highly resistant microbial strains, human infertility and cancer. The inability of conventional wastewater treatment plants in removing these ECs causes its widespread occurrence. Thus, prot...
Article
Advanced wastewater treatment is necessary to effectively remove emerging contaminants (ECs) with chronic toxicity, endocrine disrupting effects, and the capability to induce the proliferation of highly resistant microbial strains in the environment from before wastewater disposal or reuse. This paper investigates the efficiency of a novel hybrid p...

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Projects

Projects (4)
Project
Regional air quality study and management in Asian region; Urban air quality study and management
Project
Portal Air Quality Management System - Knowledge sharing on ship air emission evaluation - Run / check in-situ applicability - Technology development & transfer
Archived project
Abatement of conventional and emerging pollutants in municipal wastewater.Control of membrane fouling via intermittent application of current in eMBR.