Thermal Treatment Methods

FIGURE 16.14 In situ thermal treatment by steam injection. (Taken from U.S. EPA, A Citizen s Guide to In situ Thermal Treatment Methods, Technical Report EPA-542-F-01-012, U.S. EPA, Washington, DC, 2001.)... 

Conventional thermal treatment methods, such as rotary kiln, rotary hearth furnace, or fluidized-bed furnace, are used for waste pyrolysis. Molten salt process may also be used for waste pyrolysis. 

Figure 11 NaCl-mannitol solution changes in resistance during cooling and rewarming applying the thermal treatment method [2].

Table 37. Applicability criteria of oil reservoir for thermal treatment methods...

In the present study, spinel ferrites nanocrystals with different structures were prepared from an aqueous solution containing metal nitrates, poly (vinyl pyrrolidon), and deionized water using a relatively low temperature thermal treatment method, followed by grinding and calcinations. No other chemicals were added to the solution. This method is environmentally friendly in that it neither uses nor produces toxic substances, and it offers the advantages of simplicity, low cost, and low reaction temperatures. The textural and morphological characteristics of the spinel ferrites nanocrystals we prepared were studied with various techniques to determine the influence of calcination temperature on the crystallization, morphology, and particle size distribution of the nanocrystals and to explore other parameters of interest. 

So, in fact, it is app>arent that the nickel ferrite nanopartides were contaminated with organic compounds in this case. Therefore, in the thermal treatment method, the optimum concentration of PVP for the synthesis of nickel ferrite nanopjarticles is 0.035 gm/ml. That... 

Table 3. Summary of optimum parameters of metal ferrite nanocrystal prepared by thermal treatment method...

Simple preparation and characterization of nickel ferrite nanocrystals by a thermal treatment method. Powder Technology 212, 80-88. 

However, it seems difficult, at this state of our knowledge, to completely compare the wide variety of methods for designing UHMWPE hips, differing by dose rate, total dose, temperature and time for the thermal treatment, method for incorporation of vitamin E. 

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