Heterogeneous catalysts from metallic oxides and lignocellulosic biomasses ash for the valorization of feedstocks into biodiesel: an overview

DT Bekele, NT Shibeshi, AS Reshad - BioEnergy Research, 2023 - Springer
Transesterifying various grade feedstocks is a way to reduce biodiesel production costs.
Non-edible feedstocks are preferable. Feedstock blending also makes production flexible …

The mineral transformation and molten behaviors of biomass waste ashes in gasification-melting process

Z Ge, X Cao, Z Zha, Y Ma, M Zeng, K Wu, S Chu… - Fuel Processing …, 2022 - Elsevier
Understanding the various ash transformation properties is vital for improving gasification
behavior and optimizing industrial operation conditions during the gasification-melting …

Mineral transformations and molten mechanism during combustion of biomass ash

H Zhou, K Xu, X Yao, J Li - Renewable Energy, 2023 - Elsevier
With continuous expansion of the heat produced from biomass energy, the problems of
biomass ash melting and slagging have become increasingly prominent. Studies of mineral …

The sintering analysis of biomass waste ash based on the in-situ exploration and thermal chemical calculation in the gasification process

Z Ge, X Cao, Z Zha, Y Ma, M Zeng, Y Wu, F Li… - Combustion and …, 2022 - Elsevier
The plentiful biomass wastes are promising fossil energy alternatives to generate
indispensable energy. Biomass gasification is an effective way of producing high-value …

One-pot conversion of lignocellulosic biomass to ketones and aromatics over a multifunctional Cu–Ru/ZSM-5 catalyst

GT Jaya, R Insyani, J Park, AF Barus, MG Sibi… - Applied Catalysis B …, 2022 - Elsevier
The complete conversion of lignocellulosic biomass to selective and highly valuable
chemicals is challenging because of its inertness and complexity. Herein, we report a direct …

The influence of a two-step leaching pretreatment on the steam gasification properties of cornstalk waste

Z Ge, X Cao, Z Zha, Y Ma, M Zeng, Y Wu… - Bioresource Technology, 2022 - Elsevier
Knowing the effect of specific alkali and alkali earth metals forms is vital for the high-efficient
gasification of biomass. This work developed a two-step leaching method to pretreat …

Fatty acid methyl esters production from crude waste frying oil using modified coffee husk ash catalyst: parameters optimization

DT Bekele, NT Shibeshi, AS Reshad - Results in Engineering, 2023 - Elsevier
In this study, a KNO 3-loaded coffee husk (CH) ash catalyst was synthesized to produce
waste frying oil methyl ester (WFOME) from crude waste frying oil (WFO). Taguchi method …

[HTML][HTML] Formation and transformation of mineral phases in biomass ashes and evaluation of the feedstocks for application in high-temperature processes

M Reinmöller, M Schreiner, M Laabs, C Scharm… - Renewable Energy, 2023 - Elsevier
Biomasses are known for their variety of ash systems, often accompanied by limiting effects
such as fouling, sintering, slagging, agglomeration and corrosion, which affect …

Catalytic Performance Investigation of Alkali and Bifunctional Catalysts Derived from Lignocellulosic Biomasses for Biodiesel Synthesis from Waste Frying Oil

DT Bekele, NT Shibeshi, AS Reshad - ACS omega, 2024 - ACS Publications
In this study, alkali and bifunctional catalysts were synthesized for waste frying oil methyl
ester (WFOME) synthesis. Coffee husk (CH) and CH blended with Eragrostis tef straw …

Industrial waste from biomass boiler: Ash as a liming replacement for Eucalyptus planting in Brazil

ALS Hansted, FAS Hansted, JMS da Silva… - Industrial Crops and …, 2023 - Elsevier
Upon insertion of biomass into a boiler, the material is incinerated, generating heat for the
system. The combustion of biomass in the boiler produces ash, which is comprised of …