development of vacuum drying technology of kiwifruit

Demonstration of Continuous Vacuum Microwave Drying on

NuWave Research Inc has developed NuGenesis™ a method of on-site commercial continuous Vacuum Microwave Drying (cVMD) based on the principal that water boils a lower temperature in a vacuum Thanks to its portability and advanced software the NuGenesis™ allows for drying to be done at the farm or at other sources of feedstock such as

Dielectric properties of kiwifruit associated with a

Dec 01 2018A multifunctional and programmable RF-vacuum drying system with a maximum nominal power of 3 0 kW and an operation frequency of 27 12 MHz was used for kiwifruit drying This dehydrator was designed and manufactured by Hebei Huashijiyuan Industrial High Frequency Equipment Ltd (Langfang Hebei China)

The Manufacturing Process of Kiwifruit Fruit Powder with

Kiwifruit is rich in vitamins minerals dietary fiber and other functional components and it has long been used as a functional food to treat intestinal ailments such as constipation The current research made full use of the kiwifruit the juice was prepared by microencapsulation and the dietary fiber in kiwifruit pomace was modified by enzymatic hydrolysis and grinding then the two were

Modeling of a convective

Jul 13 2017As it can be seen in Fig 3 the thermal characteristic of convective-infrared dryer is uniform due to proportional control of product surface temperature Fig 4 shows the SEC values for the drying of kiwifruit slices in the dryer at same air velocities It is clear that the SEC decreased with increase in drying air temperature or with increasing infrared radiation intensity

Section 4 Chapter 1 Fundamentals

which are used almost exclusively for drying heat-sensitive products because they tend to be significantly more expensive than dryers operate near to atmospheric pressure Another exception is the emerging technology of superheated steam drying (Mujumdar 1995) In certain cases such as the drum drying of pasty foods some or all of the heat is

Food Dehydration

Zeki Berk in Food Process Engineering and Technology 2009 22 1 Introduction Drying is one of the most ancient methods of food preservation known to mankind Preservation of meat fish and food plants by drying in the sun or in the naturally dry air of the deserts and mountains has been practiced since prehistoric times and is still a vital operation in the life of many rural communities

Fundamentals of Vacuum Technology

development for our next generation of innovative vacuum technology products In the course of our over 150 year-long corporate history Oerlikon Leybold Vacuum developed a comprehensive understanding of process and application know-how in the field of vacuum technology Jointly with our partner customers we plan to continue our efforts to open up

Smart Floor Cleaning Robot (CLEAR)

• Type of Use: Vacuum Cleaning • Technology: Laser range finder technology SLAM (Simultaneous localization and mapping) and auto-charging • Price: $399 C Dyson[4] In 2001 Dyson built a robot vacuum known as DC06 which was never released to the market due to its high price In 2014 Dyson

Vacuum engineering

Vacuum technology is a method used to evacuate air from a closed volume by creating a pressure differential from the closed volume to some vent the ultimate vent being the open atmosphere When using an industrial vacuum system a vacuum pump or generator creates this pressure differential

Use of partial drying and freezing pre

Jan 28 2020The study reveals effect of pre-treatments i e partial drying (PD) partial drying + freezing (PDF) and freezing (F) on physico-chemical structural and sensory quality of vacuum fried papaya chips (100 C for 28 min at 13 33 kPa) Pre-treatments significantly (p 0 05) influenced the quality parameters of vacuum fried papaya chips

Freeze Drying / Lyophilization Information: Basic Principles

Typically vacuum levels for freeze drying are between 50mTorr and 300mTorr with 100mTorr to 200mTorr being the most common range With the temperature and pressure parameters set primary drying is then continued for a length of time sufficient for all of the ice crystals to be sublimed

Heating drying ovens for laboratory industry

Heating oven drying oven incubator hot air steriliser vacuum drying oven Peltier-cooled incubator compressor-cooled incubator CO 2 incubator humidity chamber constant climate chamber climate chamber waterbath and oilbath Made in Germany of course

The Manufacturing Process of Kiwifruit Fruit Powder with

Kiwifruit is rich in vitamins minerals dietary fiber and other functional components and it has long been used as a functional food to treat intestinal ailments such as constipation The current research made full use of the kiwifruit the juice was prepared by microencapsulation and the dietary fiber in kiwifruit pomace was modified by enzymatic hydrolysis and grinding then the two were

What is Freeze Drying?

Freeze drying's second phase is primary drying (sublimation) in which the pressure is lowered and heat is added to the material in order for the water to sublimate The vacuum speeds sublimation The cold condenser provides a surface for the water vapor to adhere and solidify The condenser also protects the vacuum pump from the water vapor

Numerical analysis of heat and mass transfer in kiwifruit

Jun 01 2020At the second half of drying process the drying rate changed slowly and closed to zero because the lower moisture content reached under the vacuum conditions almost all free water was evaporated from the sample and the remaining bound water was removed Similar behavior has been observed in microwave-vacuum dried kiwifruit drying

Development of Vacuum Drying Technology of Kiwifruit

A novel technique has been successfully developed to dry kiwifruit slices in vacuum The impacts of the vacuum drying conditions of kiwifruit including the pressure drying time and dehydration temperature on its quality such as its color shape taste and preservation rate of vitamin-C were experimentally evaluated with a lab-built vacuum system The results show that when it comes to drying

Drying: An Excellent Method for Food Preservation

four essential elements in a vacuum drying system: a vacuum chamber vacuum generating device system for collecting water vapor and means for supplying heat required for vaporization of water (Brown and VanArsdel 1964) For reasons similar to freeze-drying vacuum drying is also an expensive drying method It is used only for costly products iv

Beijing Songyuan Huaxing Technology Development Co Ltd

Beijing Songyuan Huaxing Technology Development Co Ltd was founded in 2000 and specializes in the RD production and sales of vacuum freeze-drying products With the vacuum freeze dryer as the core product forming different scales and different applications of three series of products as well as targeted solution for scientific research

Freeze Drying / Lyophilization Information: Basic Principles

Typically vacuum levels for freeze drying are between 50mTorr and 300mTorr with 100mTorr to 200mTorr being the most common range With the temperature and pressure parameters set primary drying is then continued for a length of time sufficient for all of the ice crystals to be sublimed

development of technology of freeze

Development of technology of freeze-drying Team offers vacuum freeze-dryers for the food and pharmaceutical industries Moreover we carry out the regimes of drying the development technological documentation for the production of the chosen range of products staff training operation and maintenance of the vacuum sublimation equipment № Name of indicators Technical data

Radio Frequency

Aug 23 2018To overcome long drying time low energy efficiency and poor product quality associated with conventional drying a radio frequency (RF) vacuum technology is proposed for drying kiwifruit slices using a 27 12 MHz 3 kW RF-vacuum drying system The results demonstrated that the process variables electrode gap vacuum pressure and sample thickness had major effects on the RF-vacuum drying

Fundamentals of Vacuum Technology

development for our next generation of innovative vacuum technology products In the course of our over 150 year-long corporate history Oerlikon Leybold Vacuum developed a comprehensive understanding of process and application know-how in the field of vacuum technology Jointly with our partner customers we plan to continue our efforts to open up

Air Products' technology selected for 1st phase of

Aug 05 2020Air Products (Lehigh Valley Pa ) has been selected to provide its proprietary AP-X Natural Gas Liquefaction Process technology and equipment to Qatargas for the first phase of Qatar Petroleum's massive liquefied natural gas (LNG) production expansion project commonly known as the North Field East (NFE) Project in Ras Laffan the State of Qatar

Effects of Freeze Vacuum Drying Combined with Hot Air

Mar 01 2014Hot air and vacuum drying were performed to investigate changes in the moisture content hardness l-ascorbic acid content antioxidant activity and surface color of kiwifruit samples over the course of the drying process at temperatures of 50 60 and 70 C and a vacuum drying pressure of 3 00 kPa The residual ratio of AsA and the antioxidant activity in the dried kiwifruit

Freeze drying ppt

Mar 27 2014HISTORY- Especially the need for improving shelf life of pharmaceuticals like penicillin and the preservation of blood plasma in war time was a drive for the development of the modern tray-type Lyophilizer as it is still used in many industries today Another catalyst for the development of the freeze dry technology was the surplus of coffee in

Dry Electrode Coating Technology

dry raw materials and maintains its liquid-free state throughout the subsequent processing steps to ultimately produce a robust high-performance ultracapacitor electrode For the past several years Maxwell has been engaged in research and development efforts to expand the application space of its dry coating electrode process technology to

Spray

Sep 04 2014Read Spray-Drying of Green or Gold Kiwifruit Juice–Milk Mixtures Novel Formulations and Processes to Retain Natural Fruit Colour and Antioxidants Food and Bioprocess Technology on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at your fingertips

Demonstration of Continuous Vacuum Microwave Drying on

NuWave Research Inc has developed NuGenesis™ a method of on-site commercial continuous Vacuum Microwave Drying (cVMD) based on the principal that water boils a lower temperature in a vacuum Thanks to its portability and advanced software the NuGenesis™ allows for drying to be done at the farm or at other sources of feedstock such as