us4720924a - microwave drying of pharmaceutical
Drying
Drying is a mass transfer process consisting of the removal of water or another solvent by evaporation from a solid semi-solid or liquid This process is often used as a final production step before selling or packaging products To be considered dried the final product must be solid in the form of a continuous sheet (e g paper) long pieces (e g wood) particles (e g cereal
Industrial Dryers
Designed and manufactured to perfection our company is considered as one of the renowned and preeminent manufacturers and suppliers of Batch Type Fluidized Bed Dryers These dryers are designed on the basis of GMP Regulation concept and are widely used for batch drying of granulates powder products and agglomeration The rotary dryers can be used as calciners
The Pharmaceutical Drying Unit Operation: An Industry
The drying unit operation is used extensively in the pharmaceutical industry but often a lack of understanding of the impact of the drying process parameters on active pharmaceutical ingredient critical quality attributes can create challenges during development A working group within the Enabling Technologies Consortium identified common challenges in pharmaceutical drying
Difference Between Water (Moisture) Content and Loss on
Loss on Drying is an unspecific analytical technique removing not only water but all other volatile impurities like alcohol etc from a sample The degree of drying depends upon 1) Temperature 2) Drying time LOD or total moisture content analysis of Pharmaceutical products can include both bound (e g water of hydration) free water
VALIDATION OF DRY HEAT STERILIZATION METHODS
Dry heat is one of the most commonly used methods to sterilize and/or depyrogenate pharmaceutical components and products Dry heat sterilization is often used for heat-stable oils ointments and powders Most often depyrogenation of parenteral containers is performed utilizing a dry heat oven
CA1232951A
ABSTRACT A machine for the manufacture of gelatin pharmaceutical capsules is disclosed in which microwave drying is used The drying section of the machine has two upper tunnels and two corresponding return tunnels beneath them through which pin bars carrying the hot moist gelatin capsule halves pass microwave transmitters are positioned above the upper tunnels to transmit microwave
What Is Moisture Content Analysis?
The MB45 is suitable for sampling applications in the food processing pharmaceutical and chemical industries providing loss on drying results for volatile content in powders pastesand/or liquids The measure of moisture content during thermogravimetric analysis defines moisture as the loss of mass of a substance when heated by the process
Pharmaceutics Quiz Question Answers (Question Bank)
Pharmaceutics Quiz Question Answers (Question Bank) Free Online Test For Medical Students like PG PHD Specialist exam entrance Pharmaceutics means "It is the discipline of pharmacy that deals with the process of turning a new chemical entity (NCE) or old drugs into a medication to be used safely and effectively by patients It is also []
microwave food dehydrator microwave food dehydrator
384 microwave food dehydrator products are offered for sale by suppliers on Alibaba of which drying oven accounts for 30% other drying equipment accounts for 5% and tray dryer accounts for 4% A wide variety of microwave food dehydrator options are available to you There are 384 suppliers who sells microwave food dehydrator on Alibaba
Microwave freeze drying of fruits vegetables
The use of microwave freeze drying has already started in high level ceramic pharmaceutical and chemical industry Soon microwave freeze drying will penetrate into the food industry starting with applications where the drying capacities and throughput rate are in the range of 5 to 100kg/h of high value product like medical herbs roots
Optimization of Microwave Vacuum Drying and Pretreatment
2 4 Mathematical Models The data on the drying of P cuspidatum slices in microwave vacuum dryer were used to study the drying kinetics and to analyze the fit of mathematical models on thin-layer drying including Newton Page logarithmic Wang and Singh Henderson and Pabis two-term and Midilli et al models (Table 2) In Table 2 the MR in (i)–(vii) is the moisture ratio
Understanding the Nutsche Filtration and Drying Process
Filtration and drying are critical operations in a variety of industrial processes that require the separation of solid matter from a liquid Solids can be discharged directly into a dryer or in the case of a filter/dryer the drying function is performed using the same equipment
Microwave Drying of Pharmaceutical Powders
Although the application of microwave dryers has proven successful in many industries the uptake rate of microwave technology by pharmaceutical companies has been slow particularly in the primary manufacturing sector Pharmaceutical powders are temperature sensitive thus drying conditions are primarily dictated by stringent quality criteria
Industrial stainless steel pharmaceutical microwave drying
HomeProductsindustrial microwave vacuum dryer Industrial stainless steel pharmaceutical microwave drying machine English We Provide Extensive Industrial stainless steel pharmaceutical microwave drying machine Selection 21 mm L1 And 70 mm H2 Competitive Small Oil Pressing Machine - Leader Machinery Wholesale Pricing
Continuous flow processing in the pharma industry
Oct 22 2015The first applications of continuous processes in the pharmaceutical industry emerged only comparatively recently and the vast majority of production is still undertaken in batch reactors Herein we highlight some of the advantages that continuous flow processing offers for the synthesis of pharmaceuticals and fine chemicals
Convective and Microwave Drying of Mushrooms (A bisporus
Abstract: Dried edible mushrooms are able to be consumed in soup and sauce recipes Utilization of A bisporus and P ostreatus in food formulations could bring added value to these products In this study A bisporus and P ostreatus samples were dried at 60 70 and 80C in conventional oven and at 180 360 and 600 W in a microwave oven until no weight changes were observed
Handbook of Industrial Drying
Nov 08 2006Still the Most Complete Up-To-Date and Reliable Reference in the FieldDrying is a highly energy-intensive operation and is encountered in nearly all industrial sectors With rising energy costs and consumer demands for higher quality dried products it is increasingly important to be aware of the latest developments in industrial drying technolog
SMART 6
The system utilizes a combination of microwave and infrared to rapidly analyze moisture and solids in any product This patented dual-frequency drying energy source provides the most rapid and complete drying available for the widest range of sample types Features Up to 40% faster (as compared to SMART 5 Turbo)
Digital Intelligent 380V Microwave Vacuum Tray Drying
Introduction Microwave vacuum drying technology combines the advantages of microwave technology and vacuum technology and is extremely beneficial for the drying of heat sensitive materials Compared with the conventional drying method it has the characteristics of low energy consumption short drying time low working temperature good product color and high vitamin
Impacts of the High Moisture Wet Granulation and Novel
Dec 12 2018Microwave radiation was employed to dry the high moisturized wet granules of naproxen sodium powder Powder X-ray diffraction (XRD) Fourier-transform infrared spectroscopy (FTIR) and scanning electron microscope (SEM) were used to characterize samples before and after wet granulation and drying
Products
Microwave Chemical/ Pharmaceuticals Processing Equipment Microwave – Infrared Technology is a new concept for Drying of Pharmaceutical / Chemical Powder Tablet or Chemical Reaction Process With this technology product can be dried evenly thoroughly in less time Since this is a low temperature drying process it will retain colour property of
US5484606A
US5484606A US08/185 652 US18565294A US5484606A US 5484606 A US5484606 A US 5484606A US 18565294 A US18565294 A US 18565294A US 5484606 A US5484606 A US 5484606A Authority US United States Prior art keywords process according peg solution added soluble pharmaceutical Prior art date 1994-01-24 Legal status (The legal status is an
Microwave Assisted Freeze Drying
Primary drying is the most critical and time-consuming step in the lyophilization process used widely in the pharmaceutical and biotechnology industries To achieve minimal product loss common practice is to optimize the recipe (time temperature and pressure) in each step of the lyophilization process which wastes time unnecessarily
Drying process could one day revolutionize fresh food
May 08 2003PULLMAN Wash — Boeing has donated patents to Washington State University for microwave technology originally designed to dry out spacecraft after ocean landings and cure composite materials for fighter aircraft that could now be used to produce new flavorful dried fruits and vegetables that are free of additives Called the Microwave Vacuum Dehydration
Microwave Herbs Drying Machine for Pills/Pharmaceutical
Microwave Herb Medicine Drying Equipment Introduction In modern medical industry using microwave thermal effect and non-thermal effect to dry and sterilize pharmaceutical extract is advanced method Due to some medicine's viscidity our microwave herbs drying machine adopts vacuum design
Microwave Drying of Pharmaceutical Powders
Although the application of microwave dryers has proven successful in many industries the uptake rate of microwave technology by pharmaceutical companies has been slow particularly in the primary manufacturing sector Pharmaceutical powders are temperature sensitive thus drying conditions are primarily dictated by stringent quality criteria
Microwave Drying: A More Efficient Technology than Gas
Several drying techniques can be used in single-pot processing but the basic drying principle relies on the application of a vacuum in the bowl thus drastically lowering the evaporation temperature of the granulation liquid This paper compares the efficiency of two additional techniques: microwave drying and gas-stripping






