Connection Between Surface Properties, Specific Surface Area and Component Distribution of Binary Mixtures of Corn Starch and Metronidazole

2007 ◽  
Vol 59 (10) ◽  
pp. 510-512 ◽  
Author(s):  
Zsófia Tüske ◽  
Krisztina László ◽  
Klára Pintye-Hódi
Keyword(s):  
Specific Surface ◽  
Surface Area ◽  
Surface Properties ◽  
Binary Mixtures ◽  
Specific Surface Area ◽  
Corn Starch ◽  
Component Distribution

Effect of steaming on physical properties of aluminium hydroxide and aluminium oxide

1990 ◽  
Vol 55 (8) ◽  
pp. 1920-1927 ◽  
Author(s):  
Ro Yong Zun ◽  
Jaroslava Polednová ◽  
Květa Jirátová
Keyword(s):  
Physical Properties ◽  
Partial Pressure ◽  
Specific Surface ◽  
Surface Area ◽  
Water Vapour ◽  
Surface Properties ◽  
Specific Surface Area ◽  
Aluminium Hydroxide ◽  
Aluminium Oxide ◽  
Total Acidity

The effect of partial pressure of water vapour (50-750kPa) in air on physical properties of calcinated aluminium hydroxide AlOOH and aluminium oxide Al2O3 was examined. For both materials it was found that increasing pressure of water vapour leads to a decrease in the specific surface area and to an increase in the diameter of their mesopores. However, changes in the surface properties have not been identical: the total acidity of Al2O3 decreased whereas the acidity of calcinated AlOOH passed through a maximum. The total basicity of Al2O3 increased while that of AlOOH decreased.

scholarly journals Structural and adsorption characteristics of potassium carbonate activated biochar

RSC Advances ◽  
2018 ◽  
Vol 8 (37) ◽  
pp. 21012-21019 ◽  
Author(s):  
Ling Zhu ◽  
Nan Zhao ◽  
Lihong Tong ◽  
Yizhong Lv
Keyword(s):  
Specific Surface ◽  
Pore Structure ◽  
Surface Area ◽  
Surface Properties ◽  
Specific Surface Area ◽  
Potassium Carbonate ◽  
Adsorption Process ◽  
Adsorption Characteristics ◽  
Activated Biochar ◽  
Surface Pores

The structure activation of K2CO3 enriches the surface pores of biochar and increases the specific surface area nearly 10 times. The changes of pore structure and surface properties significantly affect the adsorption process of naphthalene.

scholarly journals The effect of manganese on the structural and surface properties of nanocrystalline cobalt catalyst for ammonia synthesis

2012 ◽  
Vol 10 (2) ◽  
pp. 327-331 ◽  
Author(s):  
Zofia Lendzion-Bieluń
Keyword(s):  
Specific Surface ◽  
Surface Area ◽  
Surface Properties ◽  
Specific Surface Area ◽  
Cobalt Catalyst ◽  
Ammonia Synthesis ◽  
Iron Catalyst ◽  
Active Surface ◽  
Surface Model ◽  
Icp Oes

AbstractBased on the active surface model of the iron catalyst for ammonia synthesis, the assumptions which led to obtaining the cobalt catalyst for ammonia synthesis were described. The incorporation into the system small amounts of manganese, an element which binds oxygen stronger than cobalt, has influence the development of the catalyst’s specific surface area. The activity of manganese modified catalysts is higher than that of cobalt catalyst without manganese addition. The obtained catalysts were characterized with the following methods: ICP-OES, XRD, BET

Influence of Surface Properties on the Viscosity of Titanium Dioxide Slurry

2012 ◽  
Vol 503-504 ◽  
pp. 516-519
Author(s):  
Zhi Qiang Luo ◽  
Jian Qiao Du
Keyword(s):  
Zeta Potential ◽  
Specific Surface ◽  
Surface Area ◽  
Surface Properties ◽  
Specific Surface Area ◽  
Pore Volume ◽  
Total Pore Volume ◽  
Absolute Value ◽  
Low Viscosity ◽  
Particle Size Analyzer

The influence of surface properties, including fineness, total pore volume, specific surface area and zeta potential on viscosity of TiO2 slurry were studied. The viscosity and these surface properties of TiO2 samples were respectively measured by viscometer, standard sieve, specific surface area analyzer, particle size analyzer. The results show that with increase of fineness and absolute value of zeta potential, the viscosity of TiO2 slurry decrease gradually, but with increase of total pore volume and specific surface area, the viscosity of TiO2 slurry also increase. The suitable conditions in low viscosity of TiO2 slurry are as follows: fineness and absolute value of zeta potential is respectively greater than 0.1%, 70mV; total pore volume and specific surface area is respectively less than 0.05cc/g, 7.5m2/g

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