The main disadvantage of biodiesel is its high price. The price of biodiesel depends on various factors such as the price of oil, methanol, catalyst, and labor. Among dif-ferent economic factors, oil accounts for the largest share of input costs of biodiesel production. In this study, first, suitable heterogeneous catalysts were identified for biodiesel production. Several studies were carried ...

Removing organic dyes from contaminated wastewater resulting industrial effluents with a cost-effective approach addresses major global challenge. The adsorption technique onto carbon-based materials and metal oxide is one of the most effective dye removal procedures. current work aimed to evaluate application calcium oxide-doped carbon nitride nanostructures (CaO-g-C3N4) eliminate basic fuchsi...

A novel catalytic packing in biodiesel production using a monolithic structured support catalyst is studied. Calcium oxide (CaO) is chosen as the wash coat due to its well established property as a good catalyst. The experiment for the monolithic CaO (4 cm dia, 6 cm height and 400 cell inch -2 ) was performed in a 1000 mL monolithic reactor while the CaO powder experiment was carried out in a 1...

Layered, binary thin-film oxides of NiO, MgO and CaO have been prepared and characterized using low energy electron diffraction, Auger electron spectroscopy, energy loss spectroscopy, ion scattering spectroscopy, and temperature programmed desorption using probe molecules. Epitaxial growth was observed for the NiO–MgO and CaO–NiO systems; however, superior wetting was found for NiO–MgO relative...

This experiment was conducted to evaluate the intake, nutrient apparent digestibility and the effect of total collection days (two and four days) on apparent digestibility estimates for lambs fed diets containing sugar cane treated with calcium oxide (CaO). Eight Santa Inês castrated male lambs with a 16.6±1.8 kg body weight were used. The lambs were distributed in two 4×4 Latin squares, with f...

The objective of this study was to evaluate the use calcium oxide (CaO) on nutritive profile, digestibility, and carbohydrate fractionation three sugarcane (Saccharum officinarum hybrids) genotypes: IAC-862480, SP-791011, CTC-3. Four CaO levels (0, 1.5, 3.0, 4.5% a fresh matter basis) were used in 3 × 4 factorial scheme, whose factors genotypes four oxide. chemical composition, fractionation, t...

This work illustrates a comparative study on the applicability of the basic heterogeneous calcium oxide catalyst prepared from waste mollusks and crabs shells (MS and CS, resp.) in the transesterification of waste cooking oil collected from seafood restaurants with methanol for production of biodiesel. Response surface methodology RSM based on D-optimal deign of experiments was employed to stud...

The study aims to develop a reliable model using gene-expression programming (GEP) technique for estimating the unconfined compressive strength (UCS) of soil stabilization by cement and fly ash. considered effects several parameters, including ash characteristics such as calcium oxide (CaO) content, CaO/SiO2 ratio, loss ignition. research results show that proposed demonstrates superior perform...

In this study, calcium oxide (CaO) was used as an additive to form pores in a cellulose acetate (CA) and at the same time improve thermal stability of acetate. When CA/CaO membrane exposed water pressure, CA matrix area plasticized by CaO particles became weakened channels were formed. addition, high melting point its bonding with carbonyl group caused crosslinking effect. We succeeded manufact...