PRESCOTT 1000 Turn-Key Thin Film Continuous Distillation System

PRESCOTT 1000 Turn-Key Thin Film Continuous Distillation System
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  • Item #: P1000
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Please call us, email quotes@AcrossInternational.com or add to cart for pricing, availability and consultation.



 

Please call us, email quotes@AcrossInternational.com or add to cart for pricing, availability and consultation.


Continuous distillation, a form of distillation, is an ongoing separation in which a mixture is continuously (without interruption) fed into the process and separated fractions are removed continuously as output streams. Distillation is the separation or partial separation of a liquid feed mixture into components or fractions by selective boiling (or evaporation) and condensation. The process produces at least two output fractions. These fractions include at least one volatile distillate fraction, which has boiled and been separately captured as a vapor condensed to a liquid, and practically always a bottoms (or residuum) fraction, which is the least volatile residue that has not been separately captured as a condensed vapor.

 

PRESCOTT 1000 OVERVIEW

PRESCOTT distillation systemss combine innovation with best-in-class performance, featuring improved borisilicate glass and AISI 316 Ti steel construction. Designed for compounds of high viscosity and molecular weight, this semi-automated system is a complete turn-key solution for continuous distillate production. Optimized for operation at extreme vacuum, the system can reduce the boiling point of thermally sensitive products without decomposition.

Unit also allows for easy cleaning and maintenance due to its signature patent pending hybrid evaporator and easily removable PTFE-coated roller/wiper basket.

Seamlessly integrated design, constructed of both stainless steel and borosilicate glass to provide a semi-automated wiped film distillation solution for continuous material separation. Wiped film distillation is utilized to separate thermally sensitive products under vacuum and offers higher throughputs than traditional bench top short path systems.

The evaporation surface combines the benefits of 316 Ti stainless steel with vertical concentric glass cylinders. These materials form the double mantled molecular still and are heated with circulating thermal fluid. The incoming crude product is spread to a thin film on the inner surface of the evaporator by means of rotating PTFE roller elements. The condenser is vertically arranged in the center of the glass evaporator, also tempered by liquid flow, to reduce the distance vapors must travel and prevent any pressure losses from a large transfer space.

The system includes a dry scroll vacuum pump with additional high-capacity diffusion, vacuum control and 2 vacuum sensors, 3 high capacity thermostats to temper feed-vessel, inlet line, evaporator and the condenser, as well as outlet lines. A deep immersion cooler and enlarged cold trap provide enhanced vacuum performance throughout operation. The units are constructed with only the highest quality components available and fully integrated electrical control cabinets.

Maintenance time on the system is minimized from a virtually tool-less construction and quick-release fasteners. Moreover, transfer loss is essentially eliminated with our vertical platform and proprietary hybrid evaporator design.  Prescott is focused on the ease of operation and minimizing of material losses while simultaneously attaining the highest available throughputs and potencies.
The Prescott 1000 is offered as complete turn-key distillation solution specifically for botanical extracts. We combine years of operational expertise with decades of German manufacturing precision to deliver the highest quality distillation systems with the shortest lead times in the industry.

Entire system built and tested in Germany.

 

TECHNICAL DATA

 Model
 P1000
 Throughput  2L to 6L per hour (base on processes and material fed)
 Final Pressure
 Vacuum sensor to 10-5 torr (theoretical 10-8 torr)
 Evaporator Surface
 Approximately 1000 cm2, short path
 Evaporator
 borosilicate glass and AISI 316 Ti stainless steel
 Feed Vessel
 5000 ml, graduated, refillable during operation
 Product Receivers
 5000 ml vessels provided, interchangeable during operation
 Mains Supply  3 phase x 230V +/-5V; 32A 60Hz (50Hz if needed)
 Dimensions (WxHxD)  1750 x 2280 x 820 mm

 

BASE SYSTEM COMPONENTS

 Mobile Mounting Frame
 Includes necessary holders and fastenings to accmmodate all
 components, mounted on 4 wheels
 Graduated Feed Vessel
 Glass & AISI 316L, 5000 ml; Heated by circulation thermostat liquid flow,
 with complete heated inlet line, refillable during vacuum operation for
 continuous working mode.
 Thin Film Short-Path Evaporator
 Glass & AISI 316L, ~1000 cm2; double mantle for thermal oil;
 heated with fully tempered inlet and outlet lines
 High Capacity Cooling Condenser
 Glass (borosilicate), 3.3
 Protective Shield  Polycarbonate barrier to protect vital glass components
 Wiper Driver Motor
 Adjustable speed drive with torque indicator; includes driving shaft with
 flexible coupling and vacuum-tight lead through
 Wiper Basket
 Stainless steel AISI 316 Ti with PTFE rollers
 Sensor for High Vacuum Application
 Includes integrated LCD-display; allows for application down to
 10-5 torr (operating vacuum highly variable)
 Sensor for Precise Vacuum Control  Allows for tight control of vacuum levels to provide consistency
 between baskets
 Feed Dosing Gear Pump  Complete tempered high vacuum tight pump; Allows for transfer
 of sample from atmospheric conditions into vacuum pressure
 Distillate Discharge Gear Pump  Complete tempered, high vacuum tight pump; Allows for continuous
 removal without limitation of receiver size
 Residue Discharge Pump  Complete tempered, high vacuum tight pump; Allows for continuous
 removal without limitation of receiver size
 Set of Sealings/Gaskets/Lines  Viton components
 Optimized Vacuum System  Includes diffusion pump and 15m3/h scroll pump, as well as big
  vacuum cold trap with 2 additional condensate receivers
 Thermostat for Circulation
 Cooling/Heating
 Allows for tempering of condenser cooling finger inside the
 evaporator with 600W cooling capacity, 2kw heating power, and
 temperature range of -20 to 100°C.
 Thermostat for Short-Path
 Evaporator Operation
 Includes high performance circulation pump, isolated tubes, PID
 control, and color display; Allows for use with 2kW heating capacity
 and max operating temperature of 200°C
 Thermostat for Heating of Feed
 Vessel and Inlet Lines
 Allows for circulating heating, 2kW heating capacity, and operating
 range of 20 to 150°C
 Electrical Control Cabinet  Includes full integration operating elements, vacuum controller,
 variable frequency drives for dosing pumps and power distribution
 on all connected equipment

 

ADDITIONAL COMPONENTS

 Conversion Kit
 Different power supply for all local power supplies between  190V - 600V
 at sites other than 230V (3 phase)
 Protective Sheathing                           
 Front doors and side panels made of transparent polycarbonate material
 Immersion Cooler
 Automatic cooling of the vacuum cold trap, closed process system,
 temperature range down to -90°C

 

SYSTEM HIGHLIGHTS

PATENT PENDING HYBRID EVAPORATOR

  • Combines stability of stainless steel and full visibility of process with borosilicate glass
  • Low maintenance & repair costs
  • Lowest tolerances in the market (no welding, forming)
  • Minimized clean-up & hold up from extreme compact design


HIGH CAPACITY GLASS CONDENSER

  • Maximized surface & minimized evaporator distance
  • Complete tempered & easily removed for cleaning


PRECISE VACUUM CONTROLS

  • High reproducibility in first pass
  • Prevent incondensable vapors with high capacity, oil free scroll vacuum pump
  • Double sensor system
  • Automatic safety circuit for diffusion pump control
  • Double condensate receiver system to separate light ends
  • High capacity diffusion pump (65L/s) with oil level indicator
  • Supersized vacuum cold-trap for outstanding vacuum performance
  • Cold-Trap with drain nozzle for easy maintenance
  • Optional electrical immersion cooler down to -90°C (no dry ice needed)


VERTICAL DESIGN

  • Optimized product flow without hold-up in idle pumping lines


FULLY CONTINUOUS OPERATION

  • High vacuum tight and tempered gear pumps


COMPLETE TEMPERED DISCHARGE SYSTEM

  • No solidification of resultant materials


STREAMLINED CONTROL CABINET

  • Universally certified control cabinet and power transformer


OPTIMIZED HEAT TRANSFER

  • Maximized diameter and minimized length of heating/cooling circuit

 


PRESCOTT ADVANTAGE

EXPERIENCE
We have years of hands-on experience with this equipment and have optimized its performance by partnering with an leading German equipment manufacturer

DESIGN
We plan for you to scale and design the equipment modularly in order to minimize cost and redundancy

INNOVATION
We are a research and development group that constantly innovate our products and will keep customers apprised of developments. We do not have a “set it and forget it” mentality

REPAIRS
We have local glass repair support for rapid turnaround and minimal down time during breakage, as well as a growing inventory of parts

SUPPORT
We offer support and training that is unparalleled and strive for long-term relationships

LEAD TIMES
We offer much shorter lead times than the competition (Delivery is typically within 4 weeks of full payment)



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