The growing population and waste biomass accumulation are leading to increased
environmental pollution and climate change. Waste biomass comprising different …

Biomass-derived catalysts are being intensively studied as potential replacements for
traditional chemical catalysts in the sustainable generation of biodiesel because of their …

This study was designed to observe the effects of temperature, impregnation time, and
stirring rate on the structure of potassium ion-impregnated calcium oxide prepared from …

Alkaline earth metal oxide (MgO, CaO, SrO) catalysts supported on BEA zeolite were
prepared by a wet impregnation method and tested in the transesterification reaction of …

This study provides an efficient and straightforward approach to eliminate carbon dioxide
(CO2) by absorption using a calcium oxide (CaO) sorbent derived from chicken eggshells …

In this study, we have investigated the effects of sodium (Na+) and potassium (K+)
impregnated calcium oxide (CaO) on CO2 absorption from biogas. Na+ and K+ were …

The pollutants rhodamine B (RhB), methylene blue (MB), methyl orange (MO), and methyl
red (MR) are highly toxic, and as a consequence their bioaccumulation is a problem which …

Acid mine drainage (AMD) has the characteristics of high heavy metal ion content and low
pH. This study aimed to synthesize the CaO/Fe3O4 composite for the adsorption of iron and …

The increasing use of petroleum as fuel has depleted fuel, so alternative fuels such as
biodiesel are needed because they are environmentally friendly and come from vegetable …

Addressing the challenge of clean energy and waste management for sustainable
development goals, ZSM-5 were synthesized from high-abundance volcano mud (VM) …