Anais Do XX Congresso Brasileiro De Engenharia Química 2015
DOI: 10.5151/chemeng-cobeq2014-0146-26813-146456
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Tratamento Dos Resíduos De Gesso Da Construção E Da Demolição-RCD Para a Produção De Gesso Beta Reciclado

Abstract: RESUMO -O presente trabalho de pesquisa teve como objetivo principal determinar as condições ideais de operação do forno rotativo piloto para calcinar os resíduos de bloco de gesso (RBG), e produzir um gesso beta reciclado com propriedades físico-químicas e mecânicas conforme as especificações das normas vigentes brasileiras (NBR's), propondo uma alternativa economicamente interessante para os geradores deste resíduo. Aplicando o Delineamento Composto Central Rotacional (DCCR) como metodologia, foram avaliados… Show more

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“…The use of water-repellent additives has been investigated, as a way to minimize the effects of moisture on plaster performance. The hydrofuge of plaster blocks can occur directly when the additive is mixed with water during the production of the block or after manufacturing when used as a paint [2]. Although the use of water-repellents has become a common practice to provide greater durability to plaster specimens, issues such as the durability of the water-repellent action have not yet been clarified.…”
Section: Introductionmentioning
confidence: 99%
“…The use of water-repellent additives has been investigated, as a way to minimize the effects of moisture on plaster performance. The hydrofuge of plaster blocks can occur directly when the additive is mixed with water during the production of the block or after manufacturing when used as a paint [2]. Although the use of water-repellents has become a common practice to provide greater durability to plaster specimens, issues such as the durability of the water-repellent action have not yet been clarified.…”
Section: Introductionmentioning
confidence: 99%