Evaluation of volatile compounds released during ceramic material sintering produced from industrial waste by TGA/DTG and PY-GC/MS was written by Souza de Caux, Leonardo;Guimaraes, Cleide Castro Justino;Dalvi, Leandro Coelho. And the article was included in Papel in 2013.Formula: C15H22O2 The following contents are mentioned in the article:
The generation of waste occurs due to the growth of industrial activities, causing in a long-term the depletion of natural sources. The kraft pulp industry has a water demand associated to its process, which involves the generation of a residue derived from water treatment plants. The feasibility of using these wastes in red ceramic production has been demonstrated in the literature and in previous works. However, the sintering process of these materials leads to heating the material at a min. temperature of 800°C and also to atm. emissions from gases release. In order to verify if the reuse of this waste could compromise the environment due to the gases released during its processing in the ceramic industry, the volatile compounds from its heat were evaluated. The compounds were analyzed by pyrolysis gas chromatog.-mass spectrometry. The results from a sample of the residue were compared with results obtained by the same technique from a sample of com. clay. The results showed the same classes of compounds released during heating in both samples, leading to the conclusion that the use of this residue does not compromise the pottery operation concerning the atm. emissions. This study involved multiple reactions and reactants, such as 2-Ethylhexyl benzoate (cas: 5444-75-7Formula: C15H22O2).
2-Ethylhexyl benzoate (cas: 5444-75-7) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Formula: C15H22O2
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics