As questões de números 8 e 9 referem-se ao texto que segue.
The method described in the text
disposes of the sludge by accumulating it in specific tanks.
proposes landfilling as the only cost-effective process to dispose of the sludge.
achieves a non-pollutant sludge as its final product.
recovers up to 92% of the oil present in the sludge processed.
solves the sludge problem by collecting all sludges in one single tank.
Olá, para continuar, precisamos criar uma conta! É rápido e grátis.
