scholarly journals Effect of Adding Biomass from Palm Kernel Shell on Phase Transformation and Microstructure during Carbothermic Reduction of Ilmenite

2021 ◽  
Vol 12 (6) ◽  
pp. 1139
Author(s):  
Cynta Immanuela Lamandasa ◽  
Agung Setiawan ◽  
Sri Harjanto ◽  
M. Akbar Rhamdhani
Keyword(s):  
Phase Transformation ◽  
Carbothermic Reduction ◽  
Palm Kernel ◽  
Palm Kernel Shell

Solar Carbothermic Reduction of Ilmenite Using Palm Kernel Shell Biomass

JOM ◽  
2020 ◽  
Vol 72 (10) ◽  
pp. 3410-3421
Author(s):  
Agung Setiawan ◽  
Matthew Shaw ◽  
Aaron Torpy ◽  
Mark I. Pownceby ◽  
Sri Harjanto ◽  
...  
Keyword(s):  
Carbothermic Reduction ◽  
Palm Kernel ◽  
Palm Kernel Shell

Kinetics and Mechanisms of Carbothermic Reduction of Weathered Ilmenite Using Palm Kernel Shell Biomass

2021 ◽  
Author(s):  
Agung Setiawan ◽  
Muhammad Akbar Rhamdhani ◽  
Mark I. Pownceby ◽  
Nathan A. S. Webster ◽  
Sri Harjanto
Keyword(s):  
Carbothermic Reduction ◽  
Palm Kernel ◽  
Palm Kernel Shell

A COMPARISON STUDY OF WATER FILTERING MATERIALSMADE FROM EXTRACTED PALM FRUIT FIBREAND PALM KERNEL SHELL

2017 ◽  
Vol 16 (12) ◽  
pp. 2657-2663
Author(s):  
Jamaliah Idris ◽  
Siti Fadira Osman ◽  
Eyu Gaius ◽  
Chukwuekezie Christian
Keyword(s):  
Palm Kernel ◽  
Comparison Study ◽  
Palm Fruit ◽  
Palm Kernel Shell

scholarly journals Carbothermic Reduction and Nitridation Mechanism of Vanadium-Bearing Titanomagnetite Concentrate

Minerals ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 730
Author(s):  
Wen Yu ◽  
Xiaojin Wen ◽  
Wei Liu ◽  
Jiangan Chen
Keyword(s):  
Phase Transformation ◽  
Carbothermic Reduction ◽  
Titanium Oxides ◽  
Distribution Characteristic ◽  
Reaction Behavior ◽  
Microstructure Transformation ◽  
Rate Limiting Step ◽  
Limiting Step ◽  
Roasting Process ◽  
Rate Limiting

In this study, the carbothermic reduction and nitridation mechanism of vanadium-bearing titanomagnetite concentrate are investigated in terms of phase transformation, microstructure transformation, and thermodynamic analyses. The differences in the reaction behavior of titanomagnetite and ilmenite in vanadium-bearing titanomagnetite concentrate, as well as the distribution characteristic of V in the roasted products, are emphatically studied. It is observed that the reaction sequences of titanomagnetite and ilmenite transformations into nitride are as follows: Fe3−xTixO4→Fe2TiO4→FeTiO3→M3O5→(Ti, V)(N, C); FeTiO3→M3O5→Ti(N, C). The reduction of M3O5 to TiN is the rate-limiting step of the entire reaction, and metal iron is an important medium for transferring C for the reduction of M3O5. Titanomagnetite is faster to convert into nitride than ilmenite is, and the reasons for this are discussed in detail. During the entire roasting process, V mainly coexists with Ti and seems to facilitate the conversion of titanium oxides into (Ti, V)(N, C).

scholarly journals Facile Hydrothermal and Solvothermal Synthesis and Characterization of Nitrogen-Doped Carbon Dots from Palm Kernel Shell Precursor

2021 ◽  
Vol 11 (4) ◽  
pp. 1630
Author(s):  
Yakubu Newman Monday ◽  
Jaafar Abdullah ◽  
Nor Azah Yusof ◽  
Suraya Abdul Rashid ◽  
Rafidah Hanim Shueb
Keyword(s):  
Carbon Dots ◽  
Batch Reactor ◽  
Average Particle Size ◽  
Research Work ◽  
Palm Kernel ◽  
Average Particle ◽  
One Pot ◽  
Palm Kernel Shell ◽  
Doped Carbon Dots ◽  
Nitrogen Doped Carbon

Carbon dots (CDs), a nanomaterial synthesized from organic precursors rich in carbon content with excellent fluorescent property, are in high demand for many purposes, including sensing and biosensing applications. This research focused on preparing CDs from natural and abundant waste, palm kernel shells (PKS) obtained from palm oil biomass, aiming for sensing and biosensing applications. Ethylenediamine and L-phenylalanine doped CDs were produced via the hydrothermal and solvothermal methods using one-pot synthesis techniques in an autoclave batch reactor. The as-prepared N-CDs shows excellent photoluminescence (PL) property and a quantum yield (QY) of 13.7% for ethylenediamine (EDA) doped N-CDs (CDs-EDA) and 8.6% for L-phenylalanine (L-Ph) doped N-CDs (CDs-LPh) with an excitation/emission wavelength of 360 nm/450 nm. The transmission electron microscopy (TEM) images show the N-CDs have an average particle size of 2 nm for both CDs. UV-Visible spectrophotometric results showed C=C and C=O transition. FTIR results show and confirm the presence of functional groups, such as -OH, -C=O, -NH2 on the N-CDs, and the X-ray diffraction pattern showed that the N-CDs were crystalline, depicted with sharp peaks. This research work demonstrated that palm kernel shell biomass often thrown away as waste can produce CDs with excellent physicochemical properties.

Sign in / Sign up

Export Citation Format

Share Document