Increasing the concentration of foaming agent increased the trapped gas saturation and thereby decreased the permeability to water The presence of oil reduced the capability of most foaming agents to decrease the permeability of a porous medium to water A few surfactants were found to be effective foaming agents even in the presence of oil The aim of this study was to determine the feasibility of producing Nigella sativa powder under a foam mat drying technique A central composite design of experiments was used to optimize the drying condition and compare the solubility the antioxidant and mineral content of roasted Nigella sativa and the foam mat dried Nigella sativa powder Foams were prepared from Nigella

Full article: Influence of Foam Mat Drying on Quality of

Dec 22 2011The effect of different foaming agents as well as different concentration levels was highly significant (p 0 01) at all temperatures A low pH range of the foam mat dried sample was significant from a safety point of view

The aim of the research on processing of tomato powder (Licopersicon esculentum Mill ) by means of "foam-mat drying" were to investigate the effect of foaming agents on physical-chemical characteristics of tomato powder Egg white (0 2 5 % b/b) combined with Tween 80 ( 0 0 2 0 5 % b/b) was used as the foaming agents

Foaming agents were evaluated on their ability to produce ample lasting foam and to have low loss from adsorption on reservoir rock and decomposition at reservoir conditions Foaming agents that performed well in shaking blender long-term stability and high-pressure stability tests were selected for core-flow experiments

particle size of the spray-dried powders were found to be influenced by the spray-drying conditions Extremely cohesive soy sauce powders were obtained when the air-drying temperature reached 180C and above Moreover surface NaCl concentration of the soy sauce powders was shown to have insufficient expression in comparison with that in bulk

Jul 01 2012The foamability can simply be assessed through the measurement of the foam density (Wilde Clark 1996) lower foam density indicates more air being entrapped in the foam Fig 1 shows the effects of different foaming agents on the foamability the results clearly indicate that the foaming agents had a significant effect on the foamability The addition of EA and WPC at a concentration

Optimization of process parameters for foam

Effect of levels of foaming agents and pulp concentration on foam expansion Effect of pulp concentration and levels of foaming agents on foam expansion is shown in Fig 2 From the figure it is seen that all the foaming agents have got no influence over the foam formation at higher concentration of the pulp (13 and 12 o Brix) As the concentration of pulp decreased the foam

QUALITY OF TOMATO POWDER 215 Table 1 Effect of drying air temperature foaming agents and its concentration levels on sugar (%) Factors 65 C75C85 C CMC 2 4336 a2 3440 2 1013 Milk 1 6352 b1 4939 1 5925b Egg white 1 3120 c1 4160 1 2528 SED (F) 0 0081 0 0087 0 0083 CD ( 05) (F) 0 0165 0 0179 0 1706

Effect of levels of foaming agents and pulp concentration on foam expansion Effect of pulp concentration and levels of foaming agents on foam expansion is shown in Fig 2 From the figure it is seen that all the foaming agents have got no influence over the foam formation at higher concentration of the pulp (13 and 12 o Brix) As the

The effect of drying temperature to β- carotene content in carrot powder Table 1 and Figure 1 shows that at temperature 400oC the β- carotene content in carrot powder is lower than in 50oC The Effect of Foaming Agent Concentration to The

Effect of Blowing Agent Concentration on Cell Morphology and Impact Properties of Natural Rubber Foam The absorbed energy of the foam increases with decreasing crosslink density and relative foam density which is associated with the formation of smaller foam cells and an increase in the number of cells per unit volume

Feb 04 2012accordance with the earlier observations for foam mat drying of tomato [9] It was observed thatdrying occurred primarily in falling rate period and no constant rate period was observed at all drying temperatures It can be deduced from Figure1 that concentration of foaming agent has significant effect on drying rate At 65 o

The effect of the different concentrations of the foaming agent on the foaming volume is shown in Figure 1 It was observed that the foam volume first increased to a certain value following which it remained almost stable with the increase in the concentration of the foaming agent

When the gas bubble has reached the surface liquid drains out of the foam lamella i e the thin liquid film around the gas bubble (drainage effect): The lamella becomes increasingly thinner and below a thickness of approx 10 nm the lamella tears and the foam bubble bursts open If the processes take place as described there is no problem with foam as no stable foam bubbles

EFFECTS OF IONIC STRENGTH ON THE FOAMING PROPERTIES OF

Jul 28 2009Foaming properties were assessed based on the total foam volume produced and foam stability as the time required for the collapse of the foam to half of its initial foam volume The foam volume and stability of WPI significantly ( P 0 05) increased when NaCl concentration rose from 0 to 0 05 M and decreased with further increase with and

Effect of Blowing Agent Concentration on Cell Morphology and Impact Properties of Natural Rubber Foam The absorbed energy of the foam increases with decreasing crosslink density and relative foam density which is associated with the formation of smaller foam cells and an increase in the number of cells per unit volume

The foam expansion was significantly influenced by pulp concentration and levels of the foaming agent at 1% level The maximum stable foam formation was 90% at 3% glycerol monostearate with 9Brix pulp concentration and whipping time of 10 min The resulting foams were dried at air temperatures of 60 65 and 70C with foam thickness of 2 4

3 1 Effect of the Presence of Foaming Agent The roselle extract was dried with foaming agent and without foaming agent (nonfoam drying) at 40C and 60C This step was expected to obtain dried product with moisture content of 0 11 gram of moisture per gram of dried product

This paper takes type F3 foaming agent polymer H and AL as the basic material pays more attention to the effect of mass concentration and mixed ratio of polymer blends on gelation property and analyzes the mechanism of crosslinking action between two polymers with the help of atomic force microscope which provide a foundation for this system as a new type of

sodium dodecyl sulfonate foaming agent for Foaming ability solution volume is 100 mL distilled water as solvent with agitation speed 7000 r/min time for 3 minutes Then The foam height and the half-life of the different concentration of foaming agent solution were observed the results as shown in Figure 3 1916