Ultrasmall amorphous zirconia nanoparticles catalyse polyolefin hydrogenolysis

S Chen, A Tennakoon, KE You, AL Paterson… - Nature Catalysis, 2023 - nature.com
Carbon–carbon bond cleavage reactions, adapted to deconstruct aliphatic hydrocarbon
polymers and recover the intrinsic energy and carbon value in plastic waste, have typically …

Recent progress on sulfated nanozirconia as a solid acid catalyst in the hydrocracking reaction

SJ Sekewael, RA Pratika, L Hauli, AK Amin, M Utami… - Catalysts, 2022 - mdpi.com
Zirconia has advantageous thermal stability and acid–base properties. The acidity character
of ZrO2 can be enhanced through the sulfation process forming sulfated zirconia (ZrO2 …

Plastic recycling: a review on life cycle, methods, misconceptions, and techno‐economic analysis

U Salahuddin, J Sun, C Zhu, M Wu… - Advanced …, 2023 - Wiley Online Library
Plastics are embedded in every inch of the fabric of the society. Although they have played a
tremendous role in the progress and development of mankind, they have done equal, if not …

Hydrothermal treatment of SO4/TiO2 and TiO2/CaO as heterogeneous catalysts for the conversion of Jatropha oil into biodiesel

RA Pratika, K Wijaya, W Trisunaryanti - Journal of Environmental Chemical …, 2021 - Elsevier
The conversion of Jatropha oil into biodiesel has been conducted using the SO 4/TiO 2 acid
and TiO 2/CaO base catalysts via hydrothermal treatment using an autoclave reactor. The …

Synthesis, characterizations and catalysis of sulfated silica and nickel modified silica catalysts for diethyl ether (DEE) production from ethanol towards renewable …

K Wijaya, ML Lammaduma Malau, M Utami, S Mulijani… - Catalysts, 2021 - mdpi.com
Sulfated silica (SO4/SiO2) and nickel impregnated sulfated silica (Ni-SO4/SiO2) catalysts
have been successfully carried out for the conversion of ethanol into diethyl ether (DEE) as a …

Catalytic hydrocracking of fresh and waste frying oil over Ni-and Mo-based catalysts supported on sulfated silica for biogasoline production

K Wijaya, A Nadia, A Dinana, AF Pratiwi, AD Tikoalu… - Catalysts, 2021 - mdpi.com
The synthesis of a sulfated silica catalyst and its modification with Ni and/or Mo metal, along
with its application for the hydrocracking of fresh and waste frying oil into biogasoline, were …

Chemical recycling of high-density polyethylene (HDPE) wastes by oxidative degradation to dicarboxylic acids and their use as value-added curing agents for acrylate …

K Pinsuwan, P Opaprakasit, A Petchsuk… - Polymer Degradation …, 2023 - Elsevier
Plastic waste has become a serious pollution problem due to the material's high
consumption volume and durability. Therefore, effective waste treatment and conversion …

Nickel-modified sulfated zirconia catalyst: Synthesis and application for transforming waste cooking oil into biogasoline via a hydrocracking process

K Wijaya, M Utami, AK Damayanti, I Tahir, AD Tikoalu… - Fuel, 2022 - Elsevier
The synthesis of a sulfated zirconia catalyst and its modification with Ni metal was carried
out and applied in the hydrocracking of waste cooking oil into biogasoline. The SO 4/ZrO 2 …

[HTML][HTML] Hydroconversion of used palm cooking oil into bio-jet fuel over phosphoric acid-modified nano-zirconia catalyst

AJ Saviola, K Wijaya, A Syoufian, WD Saputri… - Case Studies in …, 2024 - Elsevier
The objectives of this study were to determine the optimum phosphoric acid concentration
that produces a PO 4–ZrO 2 catalyst with the best acidity and examine its performance in the …

Mesoporous silica preparation using sodium bicarbonate as template and application of the silica for hydrocracking of used cooking oil into biofuel

K Wijaya, WD Saputri, ITA Aziz, Wangsa, E Heraldy… - Silicon, 2022 - Springer
The hydrocracking of used cooking oil into biofuel over mesoporous silica was
systematically studied. This research aims to induce the silica pores using NaHCO 3 and …