effects of microwave power on the drying characteristics

EFFECTS OF MICROWAVE IRRADIATION ON THE

investigate the effects of microwave irradiation on the stability of water-in-oil emulsions from different crude oil types and of varying water-oil volume ratios and in so doing the water separation efficiency attainable by this demulsification approach is determined

Effects of vacuum microwave drying on the flavor textural

The effects of different drying techniques (air drying air drying / vacuum microwave drying and freeze drying) on volatile retention in the banana chips were determined using headspace solid-phase microextraction The effects of these drying techniques on the textural and color characteristics of banana chips were also investigated

Effect Of Drying Methods And Extraction Time

In this study effect of drying method and time temperature regime of extraction on quality of mango kernel lipid was evaluated Hot air drying required drying of seeds for long intervals and exposure to higher temperature where as microwave drying was found to be quick due to heating induced at the molecular level The drying time under optimized conditions for microwave

EFFECT OF MICROWAVE HEAT

as boiling baking in bread and dry-heat on buckwheat starch composition and characteristics have been studied (Skrabanja Elmsthl Kreft Bjrck 2001 Skrabanja Laerke Kreft 1998) One area that has yet to be studied is the effect of microwave annealing and heat-moisture treatments on buckwheat starch properties

Effect of Microwave and Hot Air Drying on the

The drying of jelly palm pulp with hot air (HA) or microwave (MW) radiation was evaluated at three temperatures (50 60 and 70C) and the physicochemical and sensory properties of the dried pulp were considered Drying using MW increased the drying rate and a reduction in the drying time compared with HA

THE PRINCIPAL OF MICROWAVE OVEN AND MICROWAVE

related to the microwave power source through the reflection coefficient Γ and transmission coefficient T In microwave heating at least two media exist in the system Microwaves travel from medium 1 into medium 2 and heat medium 2 Since the materials have different properties only part of the energy from

Effects of drying conditions in low‐temperature microwave

Microwave power density output and air‐drying temperature strongly participated in the retention of nutrients In this study the drying process was driven by both heat and mass transfer processes so the increase of air velocity prolonged the drying time causing more loss of nutrient levels and antioxidant activities

Effects of microwave power on the drying characteristics

This study aimed to determine the drying characteristics and qualities of Spirogyra sp undergoing a laboratory-scale of the microwave drying The time required to reduce moisture content of Spirogyra sp from 8 540 17 to 0 100 02 % g water/g dry matter at 2 5 2 0 1 5 and 0 8 W/g microwave power was 25 34 47 and 88 min respectively

Effect of convective and microwave methods on drying

On this research the effects of convective drying method (60 70 and 80 C) and microwave drying method (160 and 350 W) on the drying characteristics color rehydration and microstructure properties of ginger has been examined For the purpose

Effect of different power ratio mode of intermittent

Effect of the power ratio (PR) of microwave on product quality during intermittent microwave convective (IMWC) drying of kiwifruit slice was investigated in a laboratory-scale microwave convective dryer This study investigates vitamin C total polyphenol degradation and color changes during IMWC drying of kiwifruit slices

The Dangers of Microwaves and Their Effects on Food

And Their Effects on Our Food America's most convenient appliance – microwave ovens seem to be an absolute necessity in today's fast-paced world They are currently present in at least 90% of homes in America thanks to their ability to cook and reheat foods or

Study the effect of microwave power and slices thickness

May 10 2019In the present work the influence of microwave power and samples thickness on drying behavior moisture diffusivity and energy consumption of potato slices was studied The slices with thicknesses of 3 5 5 7 and 9 mm were dried as mono layers at four different power levels (200 400 600 and 800 W) The results showed that the process time was significantly

MICROWAVE APPLICATIONS

Additional research needs to be done to determine the efficiency of coupling the microwave energy to the ore the effect of particle size on susceptibility to cracking and the effect on the cracking efficiency of using high power sources (the present work has been limited to

Study on Drying and Quality Characteristics of Tray and

In microwave the drying rate of KMS blanched samples had highest at 20 40 and 60W Moisture loss increased from guava with increased in power of microwave and time of drying The drying rate of guava slices under tray drying decreased as the drying time progressed and finally attained zero drying rates

Microwave Energy Powers Many Industrial Applications

Although it offers extensive lines of standard industrial microwave systems and high-power microwave energy sources the firm is perhaps best known for its custom system solutions which include microwave systems for waste treatment ore processing and water-based adhesive drying

Effects of vacuum microwave drying on the flavor textural

The effects of different drying techniques (air drying air drying / vacuum microwave drying and freeze drying) on volatile retention in the banana chips were determined using headspace solid-phase microextraction The effects of these drying techniques on the textural and color characteristics of banana chips were also investigated

MICROWAVE APPLICATIONS

Additional research needs to be done to determine the efficiency of coupling the microwave energy to the ore the effect of particle size on susceptibility to cracking and the effect on the cracking efficiency of using high power sources (the present work has been limited to

Effects of microwave and oxygen plasma treatments on

The effects of microwave and oxygen plasma treatments on the capacitive characteristics of a supercapacitor based on multiwalled carbon nanotubes (MWNTs) were investigated MWNTs were heat-treated under air ambient at 500C for 1h and subsequently microwave-treated at 650W for 70s (m-MWNTs)

Effects of oven microwave and vacuum drying on drying

In this research the effects of microwave (190 375 and 680 W) vacuum (500 600 and 700 mbar) and oven (70 85 and 100 C) drying methods on the total phenolics antioxidant capacity colour and drying characteristics of celery slices were studied

Effect of Microwave Vacuum Drying on the Drying

May 11 2018The aim of this study is to investigate the effect of microwave vacuum drying (MVD) on the drying characteristics and quality attributes of green coffee beans We specifically focused on the effective moisture diffusion coefficient (Deff) surface temperature glass transition temperature (Tg) water state and microstructure

Effects of drying conditions in low‐temperature microwave

Microwave power density output and air‐drying temperature strongly participated in the retention of nutrients In this study the drying process was driven by both heat and mass transfer processes so the increase of air velocity prolonged the drying time causing more loss of nutrient levels and antioxidant activities

Effects of different pretreatments on drying

temperature of drying air has significant effect on the drying time As the drying temperature increased from 60C to 70C for the 5 mm thick control banana slices there was approximately 13% savings in time These results agreed with drying of potato slices by Akpinar et al (2003) pistachio by MIdilli and Kucuk (2003)

(PDF) Study the effect of sun oven and microwave drying

Sun oven (50 and 70 C) and microwave oven (210 and 700 W) drying of onion slices were carried out to monitor the drying kinetics and quality degradation of the product Page "Modified Page" and "Midilli and Kk" models exhibited high coefficient

Effect of Microwave Drying on Cure Characteristics of

In this work the cure characteristics of nature rubber (NR) dried by microwave and hot-air were analyzed by using Vulcameter The effect of curing temperature on induction period (tC10) optimum cure point (tC90) maximum Torque (MH) and minimum induced torque (ML) were studied The results showed that the tC10 tC90 and ML of NR dried by hot-air were bigger

Effect of microwave power on foam

Effect of microwave power on foam-mat drying of tomato pulp Ovais Shafiq Qadri Abhaya Kumar Srivastava (Department of Post-Harvest Engineering Technology Aligarh Muslim University India) Abstract: The experiments were conducted to study the effect of microwave power on drying characteristics vis--vis on

Effects of vacuum microwave drying on the flavor textural

The effects of different drying techniques (air drying air drying / vacuum microwave drying and freeze drying) on volatile retention in the banana chips were determined using headspace solid-phase microextraction The effects of these drying techniques on the textural and color characteristics of banana chips were also investigated

Effect of Drying Temperature and Microwave Power on the

Effect of Drying Temperature and Microwave Power on the Physico-Chemical Characteristics of Osmo-Dehydrated Carrot Slices Gousia Gani1 Avanish Kumar2 1 M Tech (Ag Process Food Engg ) Department of Food Process Engineering SHIATS Allahabad U P (211 007) India 2 Assistant Professor Department of Food Process Engineering

Experimental Study on Characteristics of Microwave Drying

Experiment to study the characteristics of microwave drying of maize grain and the influence of microwave drying conditions on the quality of maize grain and energy consumption with home-made microwave drying and testing device by different heating power heating time and corresponding processing has been done The relations between different heating power