Solidification stabilization is used as an alternative to transform hazardous waste (Class I) into non-hazardous (Class IIA or IIB) before disposal in an industrial landfill. The objective of this work will be to treat ...

Corrosion is responsible for major part of accidents with petroleum occurring currently, specially in the cases of corrosion of oil pipes, gas pipes, tubes used for transporting chemical products and petroleum derivatives, ...

The fast industrial development and the increased concern about environment require industries seek faster chemicals processes without higher costs, efficient and do not harm the environment. Thus, catalysis, through the ...

The acceptance of enzymes by the feed industry has been increasing because of the increase of knowledge about its functions and properties. The main purpose of using enzymes in the diet of the birds and to improve the ...

In last recent years , a high interest in the biotechnological potential of microalgae was noted, mainly due to identifying several substances synthesized by these organisms . Their huge biodiversity allied to genetic ...

Technology GTL (Gas to Liquid), which allows to obtain derivatives oil directly from natural gas, has attracted attention due to scarcity of oil and abundant natural gas reserves. Step middle of this process is known as ...

The corrosion of reinforcing steel is of great concern in the construction, because the most common cause of deterioration in reinforced concrete. Initially, the embedded steel from corrosion and naturally protected by ...

Absence of monitoring physical and chemical properties of drilling fluids such as viscosities, gel strength, water loss and filter-cake, may cause problems during well perforation, e.g., differential sticking (defined ...

Whit the growing od good quality water, not only for human consumption, but also for some industrial applications, several purification technologies on water has been implemented successfully, such as desalination through ...

The proposes of this work is to study numerically the heavy oil flow in submerged risers, catenary type, using core-flow technique and ANSYS CFX 13®. The transient and nonisothermal mathematical model considers free ...