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Ralf Ruffel M. Abarca

Observed names: R.R.M. Abarca, Ralf Ruffel Abarca
ORCID: 0000-0002-5340-4469
Observed ORCID: 0000-0002-5340-4469
OpenAlex ID: A5042169503
Recovery of phosphorus from synthetic wastewaters by struvite crystallization in a fluidized-bed reactor: Effects of pH, phosphate concentration and coexisting ions
2017 · Yu-Jen Shih, Ralf Ruffel M. Abarca, et al. · Chemosphere · 167
Synergistic co-pyrolysıs of polyolefin plastics with wood and agricultural wastes for biofuel production
2020 · John Nikko V. Salvilla, Bjorn Ivan G. Ofrasio, et al. · Applied Energy · 153
Adsorption of Methylene Blue dye and Cu(II) ions on EDTA-modified bentonite: Isotherm, kinetic and thermodynamic studies
2018 · Maria Leah Flor A. De Castro, Melody Love B. Abad, et al. · Sustainable Environment Research · 147
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Visible-light photocatalytic diclofenac removal by tunable vanadium pentoxide/boron-doped graphitic carbon nitride composite
2020 · April N. Oliveros, Jose Antonio I. Pimentel, et al. · Chemical Engineering Journal · 104
Degradation of tetracycline antibiotics by Fe2+-catalyzed percarbonate oxidation
2021 · Jose Antonio I. Pimentel, Cheng-Di Dong, et al. · The Science of The Total Environment · 101
Adsorptive removal of dye in wastewater by metal ferrite-enabled graphene oxide nanocomposites
2020 · Allen Rhay B. Bayantong, Yu-Jen Shih, et al. · Chemosphere · 95
Bioethanol production from Chlorella vulgaris ESP-31 grown in unsterilized swine wastewater
2022 · Paula Isabel G. Acebu, Mark Daniel G. de Luna, et al. · Bioresource Technology · 56
Removal of sodium diclofenac from aqueous solutions by rice hull biochar
2021 · Judilyn Q. Filipinas, Kim Katrina P. Rivera, et al. · Biochar · 55
Synthesis of 5-hydroxymethylfurfural from glucose, fructose, cellulose and agricultural wastes over sulfur-doped peanut shell catalysts in ionic liquid
2021 · Ken-Lin Chang, Sherwin C. Muega, et al. · Chemosphere · 48
Phosphate recovery from fluidized-bed wastewater by struvite crystallization technology
2014 · Chia-Chi Su, Ralf Ruffel M. Abarca, et al. · Journal of the Taiwan Institute of Chemical Engineers · 44
Operating pH influences homogeneous calcium carbonate granulation in the frame of CO2 capture
2020 · Mark Daniel G. de Luna, Arianne S. Sioson, et al. · Journal of Cleaner Production · 39
Biodiesel production from soybean oil via LiOH-pumice catalytic transesterification and BBD-RSM optimization
2024 · Joy Marie R. Mora, Carl Francis Z. Lacson, et al. · Energy Reports · 30
Bismuth Film-Coated Gold Ultramicroelectrode Array for Simultaneous Quantification of Pb(II) and Cd(II) by Square Wave Anodic Stripping Voltammetry
2021 · Sandra Enn D. Bahinting, Analiza P. Rollon, et al. · Sensors · 30
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Effects of carbon dioxide concentration and swine wastewater on the cultivation of Chlorella vulgaris FSP-E and bioethanol production from microalgae biomass
2024 · Billriz E. Condor, Mark Daniel G. de Luna, et al. · Applied Energy · 27
Multivariate optimization of phosphate removal and recovery from aqueous solution by struvite crystallization in a fluidized-bed reactor
2014 · Mark Daniel G. de Luna, Ralf Ruffel M. Abarca, et al. · Desalination and Water Treatment · 22
Optimization and modeling of carbohydrate production in microalgae for use as feedstock in bioethanol fermentation
2022 · Billriz E. Condor, Mark Daniel G. de Luna, et al. · International Journal of Energy Research · 21
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Catalytic conversion of sugars and biomass to furanic biofuel precursors by boron-doped biochar in ionic liquid
2020 · Bjorn Ivan G. Ofrasio, Mark Daniel G. de Luna, et al. · Bioresource Technology Reports · 20
Electrochemically-driven regeneration of iron (II) enhances Fenton abatement of pesticide cartap
2021 · Mark Daniel G. de Luna, Riza P. Gumaling, et al. · Journal of Hazardous Materials · 19
Response surface methodology optimization of sodium diclofenac adsorption using activated carbon derived from falcata tree sawdust
2024 · James Bryan R. Granada, Arfazil O. Anggut, et al. · Industrial Crops and Products · 15
Integrating bi-pH operation to enhance Ni2+ removal and recovery in fluidized-bed non-seeded granulation process
2023 · Jacklyn Monserate Baldovia-Lim, Mark Daniel G. de Luna, et al. · Chemical Engineering Journal · 15
Copper (Cu) and lead (Pb) treatment via two-stage pH-controlled fluidized-bed non-seeded granulation process
2025 · Sheila A. Balladares, Mark Daniel G. de Luna, et al. · Journal of Hazardous Materials · 11
Catalytic fluidized-bed oxidation by Fe–Mn biochar and sodium percarbonate for treating imidacloprid-contaminated water
2025 · Michael M. Sablas, Mark Daniel G. de Luna, et al. · Chemical Engineering Journal · 8
Utilization of response surface methodology in optimization of de-oiled olive pomace activated biochar production
2020 · Ralf Ruffel Abarca, Mark Daniel de Luna, et al. · E3S Web of Conferences · 7
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Magnesium carbonate granule formation from carbonate precursors in a fluidized-bed crystallization system
2025 · Jing-Wei Huang, Thi-Hanh Ha, et al. · Journal of Water Process Engineering · 6
Kinetics and thermodynamics of organo-sulfur-compound desorption from saturated neutral activated alumina
2021 · Reyson M. Feliciano, Benny Marie B. Ensano, et al. · Environmental Science and Pollution Research · 6
Works count: 36
Citation count: 1,258
H-index: 18
I10-index: 21
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