Suitable for various liquid-liquid, gas-liquid homogeneous - multiphase reactions, gas, solid & liquid catalytic reactions
Lab to plant scale turnkey solutions with pumps, utilities, pressure & flow control, safety device & controls in SCADA
Solving flow Chemistry Problems with MARs (Mechanically Agitated Flow Reactors)
Standard batch reactors are fully backmixed.This gives us no control over reaction time.It Dilutes unreacted reaction mass, reducing the reaction rates & also leads to reduced selectivity
Mechanically Agitated Flow reactors offer a cost effective way of having a high number of mixed stages
It can handle clean fluids / immiscible fluids / gas-liquid mixtures / slurry application or reactions with long reaction times
Scalable to large volumes
The operating pressures can be as high as 50 bar
The reaction times could range from a few seconds to as high as 10 hours
Temperature range: -30 to +200°C
Pressure: up to 50 bar
Material: SS316, Hastelloy C etc.
The capacity of each vessel is 25ml placed in series of 10 units with a magnetic drive. Mixing and dispersion of solid and immiscible fluids and carrying out reactions with longer residence times. Higher volumes can be customised
Jacketted system with optional heating & cooling circulator for temperature control
Optioanl HPLC, peristatic, gear metering pumps for charging liquid / slurry etc.
Gas Pressure Regulator (FPR)
To manually charge different gases at desired pressures upto 140 bar / 2000 psi or higherinto the reactor from gas cylinder. Nitrogen, Oxygen & Hydrogen can be charged throughsame regulator (with special adaptor). The regulator is made from SS316 & comes with inlet -outlet pressure gauges & flexible SS braided Teflon PTFE high pressure hose pipe (4m long) with non return valve.
Regulators upto 350 bar, automated regulator
Regulator for other gases like NH , CO etc. & MOC of Hastelloy C
Pressure reducing station with auto changeover
Gas Booster (GB)
Gas boosters are useful when the cylinder pressures are much lower than the autoclave ratedpressures. In such case the booster takes gas at lower pressure from cylinder & compresses thesame to deliver at higher pressures. They are generally pneumatically operated. Special gasbooster pumps are available for liquid CO used in supercritical fluid extraction system. The 2booster systems are supplied with air filter regulator, pressure relief valves, inlet-outlet pressuregauges, valves & flexible hose pipe.
Boosters upto 700 bar pressure
Thermal Gas Mass Flow Meter (MFM) / Controller (MFC)
MFM can be used to measure accurate mass flow rate of gas (in gm/hr or LPH) & totalized quantity of mass / volume (in gms/ltr) charged in the autoclave at any point. Mass flow controller (MFC) is used to charge the set flow rate of gas into the autoclave at high pressures up to 100 bar or it can be used in pressure control mode to indicate the gas flow & total gas uptake to maintain desired set pressure inside the autoclave (ideal for hydrogenation). The same MFM / MFC can be used for multiple gases by just entering the conversion factor for different gas densities provided the gases are inert to each other. The MFM/MFC comes with high pressure flexible hose, inlet filter with digital gas flow indicator cum totalizer & additional pressure PID controller with pressure sensor if the MFC is used in pressure control mode. User has to specify the maximum flow rate range, pressure, gas & mode (flow control or pressure control) for ordering MFM/MFC.
Ex-proof MFM / MFC can be offered on request
MFM/MFC upto 300 bar pressure
Coriolis Gas - Liquid Mass Flow Meter / Controller (CFM / CFC)
These are used for higher & accurate gas or liquid flow rate indication or control in cases where thermal mass flow meters are not suitable. A common meter can be used for different gases & liquids for a particular range of flow.
Ex-proof CFM/CFC can be offered on request
Digital Pressure Indicator / Controller (DPI)
It consists of SS316 pressure sensor (transmitter) & digital pressure indicator/ controller (mounted on common control panel) with pressure alarm & optionally heater cut off for safety. Digital pressure indicator has pressure reading in bar & psi, where as controller reads any one ofthe units. The controller is normally used with mass flow controllers (MFCs) or solenoid/flow control valves to maintain constant pressure inside the autoclave. With MFC, gas flow indicator & totalizer are also provided on the same panel. The pressure sensor has temperature limitation upto 100°C & hence the same is provided with water cooling jacket.
Intrinsically safe pressure sensor.
Pressure sensors with Hastelloy C / Inconel wetted parts can be offered on request.
Liquid Metering Pump System (LMP)
This system is used to charge liquid at a desired rate from as low as 1 ml/hr to 100 ltr/hr, when the autoclave is under pressurized condition. The system comes with a metering pump, flow indicator, controller, liquid sump, pressure gauge, strainer & high pressure hose. Pressure safety valve, flow totalizer can be offered on request. Types of pumps offered are:
Diaphragm metering pumps for pressures upto 100 bar & minimum flow range of 60-600 ml/hr to maximum 10-100 lit/hr. The flow rates are varied by varying the motor speed with variable frequency drive. Materials: SS316, option: Hastelloy C, Titanium, PTFE
High pressure more accurate HPLC type low flow metering pumps for high pressures upto 350 bar & flow range from 0.01 upto 100ml/min. These pumps can be used along with precision weighing scales to measure the total liquid charged at any point of time. Materials: SS316, option: Hastelloy C, Titanium
High pressure syringe, PTFE diaphragm, gear, peristaltic pumps can be offered for pumping corrosive chemicals at low / high pressures for specific application & flow rate condition.
In line flow meters can be connected to measure & control the flow of the liquids.
Heating Cooling Circulators
Open Bath Heating Circulator
It is used to heat jacketed autoclave from ambient to 150°C by circulating thermic fluid inside thejacket. It consist of bath, pump, level switch, heater & internal cooling coil for cooling from hightemperature to ambient temperature using chilled water or brine solution.It is suitable for reactors up to 5 liter volume. Optional
Ex-proof heating bath
Closed Loop Heating Circulator (CLH)
It is used to heat jacketed autoclave from ambient to 350°C by circulating thermic fluid. Itconsist of a closed pressure withstanding tank, magnetically coupled pump, heater, levelindicator & internal cooling coil for cooling from high temperature to ambient temperatureusing chilled water or brine solution. Suitable for reactors up to 100 ltr volume. Optional
Low temperature open bath circulator (CB)
It is used to cool or control reactor temperature to -50°C by circulating thermic fluid cooled toup to -75°C inside the jacket or internal coil. It consists of a bath, pump, compressor, condenser& level switch. Suitable for reactors up to 100 ltr volume
Heating Cooling open bath circulator (HCB)
It is used to heat, cool & control reactor temperature by circulating thermic fluid in theautoclave jacket. It consists of a bath, pump, heater, compressor, condenser & level switch. Temperature range: -25°C to 175°C. Suitable for reactors up to 5 ltr volume
Closed loop heating cooling circulator (CLS)
It is used to heat, cool & control reactor temperature by circulating thermic fluid in theautoclave jacket. It consists of a bath, pump, heater, compressor, condenser & level switch. Temperature range: -35°C to 200°C / -80°C to 180°C. Suitable for reactors up to 1000 ltr volume.
Flow Control Valves (FOV / FCV)
These valves can be connected at jacket inlet for controlling flow of steam/ hot oil/ water fortemperature control from PID or at the inlet or outlet of the autoclaves for control of pressure.
(FOV) On/off pneumatic ball valve actuated by 230V output from panel to solenoid valveinline of air supply
(FCV) Pneumatic proportionate flow control valves with I to P convertor (for accuratetemperature / pressure control)
It is a SS-316 shell & tube reverse flow heat exchanger for distillation/condensing vent vapours from the autoclave upto 10 bar pressure. It is offered in different surface areas such as 0.1, 0.2, 0.5, 1 & 2 m². The condensate can be collected separately in a receiver or optionally refluxed back into the reactor.
Higher area & pressures upto 350 bar
Corrugated tubes heat exchangers for better efficiency / compact size
Receiver Pot (RP)
SS 316 receiver pot can be connected at the outlet of the shell & tube or reflux condensor to collect the condensate separately. It is also provided with a port to apply vacuum & offered in 250 ml, 500 ml, 1 ltr, 2 ltr & 5 ltr volumes. Higher volumes & other materials can be offered onspecial request. It can be optionally provided with level indication.
Back Pressure Regulator (BPR)
It is SS 316 regulator mounted on the vent line of the autoclave & is used for maintainingconstant pressure inside the autoclave upto 350 bar. The pressure is maintained by releasing theexcess pressure into the atmosphere or through a hose to safe area. The pressure can be setinitially on the gauge, by manually varying the knob until the gas comes out. Once the setpressure is exceeded the excess pressure is released until the autoclave pressure becomes equalto or below the set pressure. The pressure release is slow & gradual & the set pressure can bevaried at any point.
Electronic actuated digital pneumatic back pressure regulator, where the pressureis set digitally & can be released at preset rate of pressure release (6 bar air supplyis required)
Pneumatically actuated pilot operated back pressure regulator (air / N gas supply 2for rated pressure is required to activate the same)
Electronic control unit & forward pressure regulator with 4 mtr. hose for activating (b) above
Materials: Hastelloy C, PTFE etc.
Pressure Safety Valve (PSV)
High pressure autoclaves are provided with built in safety rupture disc, however additionalsafety can be offered by providing pressure safety valve for which release pressure can be setmanually by increasing or decreasing the spring tension or by simply changing the spring. Theset pressure should normally be around the design pressure. Safety relief valves are standardsupply for glass autoclave & shaker hydrogentor where rupture discs are not available for lowpressures. These valves come with PTFE / Kalrez O-rings.
Materials: Hastelloy C, inconel
SCADA Software for remote operation & recording (SCD)
SCADA is a supervisory control & data acquisition software with all controllers / indicatorshaving RS 485 modbus communication port or PLC & HMI / touch panel, for online display, setpoint changes & data logging of various parameters like pressure, temperature, motor RPM,motor current / torque, liquid / gas flow rate with totaliser, heater temperature, level, pH, ORP,turbidity, IR etc. remotely from PC as well as locally from panel. It gives continuous online datalogging at predefined (variable) time interval, online graphical representation as well ashistorical data & graphs on PC for single or multiple autoclaves. RS 485-232 convertor & cableupto 50 m or higher is also supplied.
Wireless data communication from PC to panel or mobile alerts can be supplied onrequest
Ex-proof certified gas purge panels for electrical accessories / utilities like heating cooling circulators etc.