Chemical Engineering Lab in Bangladesh

Name: Vvon Technologies Limited
Address: House-7 (Level-4), Road-1/A (Opposite to American Center), Block-J, Baridhara, Dhaka, Dhaka Division, 1212, BD
Telephone: +880 1711-738207

Reaction engineering, process experiments and particle characterisation equipment for chemical engineering teaching and research laboratories.

33 products from 2 manufacturers: EDIBON, Microtrac MRB.

Products

QRQC: Computer Controlled Chemical Reactors Training System — EDIBON: A bench mounted training system for studying the behaviour of the main reactor types used in the chemical industry. Students compare batch, continuous stirred tank, tubular and adiabatic operation on the same service unit. Reagent tanks, dosing pumps and a thermostatic bath support kinetics and conversion experiments.
QRC: Computer Controlled Chemical Reactors — EDIBON: A modular reactor bench built around a base and service unit to which interchangeable reactor modules are fitted. It lets students compare continuous stirred tank, tubular, batch, laminar flow and plug flow reactors on a small scale. Temperature, conductivity and flow are logged through the SCADA software.
QRCC: Computer Controlled Fixed-Bed Catalytic Reactors for Sucrose Hydrolysis — EDIBON: A fixed bed catalytic reactor unit for studying the hydrolysis of sucrose into glucose and fructose. It demonstrates heterogeneous catalysis, conversion against residence time and the effect of temperature on reaction rate. A spectrophotometric analysis section allows the reactor outlet to be measured directly.
CSRD/4/CTS: Computer Controlled and Touch Screen 4 l/h Corrosive Solvent Recovery Distillation — EDIBON: A pilot plant that recovers solvent by distilling water out of a corrosive mixture at a nominal rate of 4 l/h. It is built in borosilicate glass with a preheating section and a heated boiler, so students can follow feed, reflux, product and waste streams. Operation is by computer and touch screen.
CSRD/12/CTS: Computer Controlled and Touch Screen 12 l/h Corrosive Solvent Recovery Distillation — EDIBON: The larger version of the corrosive solvent recovery pilot plant, rated at a nominal 12 l/h. It separates water from a corrosive solvent mixture in borosilicate glassware and lets students study energy use, reflux ratio and product purity at pilot scale. Operation is by computer and touch screen.
SLE00: Computer Controlled and Touch Screen Solid-Liquid Extraction Pilot Plant — EDIBON: A pilot plant that separates a solute from a solid matrix by direct contact with a suitable solvent. Five extraction columns can be loaded with the solid feed and operated in sequence, so students can study staged extraction, solvent recovery and yield. Operation is by computer and touch screen.
QR: Chemical Reactors — EDIBON: Designed by EDIBON, the Chemical Reactors unit, "QR", allows different types of chemical reactors to be studied and compared in an easy and simple way. On a small scale, it enables the studies and practices necessary to understand how the reactors operate.
QRAD: Adiabatic and Isothermal Reactor — EDIBON: Designed by EDIBON, the Adiabatic and Isothermal Reactor, "QRAD", functions as a calorimeter for the kinetic study of homogeneous liquid-liquid reactions. This reactor maintains a constant temperature with no heat exchange with its surroundings, ensuring stable conditions throughout the process; such stability is essential for precise, reproducible research into chemical and kinetic reactions.
QRCA: Continuous Stirred Tank Reactor for QR — EDIBON: Designed by EDIBON, the Continuous Stirred Tank Reactor for QR, "QRCA", offers a controlled environment in which to conduct detailed kinetic studies of homogeneous liquid-liquid chemical reactions.
QRCAC: Computer Controlled Continuous Stirred Tank Reactor for QRC — EDIBON: Designed by EDIBON, the Computer Controlled Continuous Stirred Tank Reactor for QRC, "QRCAC", offers a controlled environment for the detailed kinetic study of homogeneous liquid-liquid chemical reactions. Also known as a CSTR (Continuous Stirred-Tank Reactor), this type of reactor holds the reactants in a tank where they are constantly stirred.
QRCB: Fixed-Bed Catalytic Reactors for Sucrose Hydrolysis — EDIBON: Designed by EDIBON, the Fixed-Bed Catalytic Reactors for Sucrose Hydrolysis, "QRCB", make it possible to study catalytic processes in the liquid phase in depth, using a fixed-bed reactor system. In this system, sucrose undergoes continuous hydrolysis by means of a solid catalyst immobilized inside the reactor.
QRCB-IF: Flow Injection Analysis (FIA) Unit — EDIBON: Recommended for use with the "QRCB" unit, the Flow Injection Analyzer (FIA), "QRCB-IF", is an additional element that allows continuous measurement of the degree of conversion in the sucrose hydrolysis reaction.
QRCC-IF: Computer Controlled Flow Injection Analysis (FIA) Unit — EDIBON: Recommended for use with the "QRCC" unit, the Computer Controlled Flow Injection Analyzer (FIA), "QRCC-IF", is an additional element that allows continuous measurement of the degree of conversion in the sucrose hydrolysis reaction.
QRD: Batch Reactor for QR — EDIBON: Designed by EDIBON, the Batch Reactor for QR, "QRD", supports the study and kinetic analysis of homogeneous liquid-liquid reactions, together with the demonstration of adiabatic and isothermal reactions.
QRDC: Computer Controlled Batch Reactor for QRC — EDIBON: Designed by EDIBON, the Computer Controlled Batch Reactor for QRC, "QRDC", supports the study and kinetic analysis of homogeneous liquid-liquid reactions, together with the demonstration of adiabatic and isothermal reactions. From sensor calibration to the formulation of velocity equations and the determination of ionic conductivities, this unit offers many opportunities for investigating reaction kinetics.
QRFT: Tubular Flow Reactor — EDIBON: Designed specifically by EDIBON, the Tubular Flow Reactor, "QRFT", is intended for the kinetic study of liquid-liquid homogeneous reactions. Practices with this unit range widely, including determining kinetic equations, calculating kinetic constants and their variation with temperature, and comparing the reactor's theoretical and experimental conversion values.
QRIA: Isothermal Reactor with Stirrer — EDIBON: Designed by EDIBON, the Stirred Isothermal Reactor, "QRIA", provides a controlled, uniform environment in which to carry out chemical reactions. By enabling detailed kinetic studies and offering valuable insights into reaction rates, reactive mechanisms and the effects of operating parameters, this reactor is essential for advancing knowledge in the fields of chemistry and process engineering.
QRIA/D: Isothermal Reactor with Stirrer and Distillation — EDIBON: Designed by EDIBON, the Isothermal Reactor with Stirrer and Distillation, "QRIAD/D", enables the calculation and comparison of kinetic constants and the determination of activation energy for the reactions studied. Used specifically for the kinetic study of homogeneous liquid-liquid or heterogeneous gas-liquid reactions, this reactor provides important information on reaction rate, reactive mechanisms and operational parameter effects.
QRL: Laminar Flow Reactor for QR — EDIBON: Designed by EDIBON, the Laminar Flow Reactor for QR, "QRL", makes it possible to determine the kinetic equations of various reactions, such as the basic hydrolysis of ethyl acetate, and to calculate key kinetic constants.
QRLC: Computer Controlled Laminar Flow Reactor for QRC — EDIBON: Designed by EDIBON, the Computer Controlled Laminar Flow Reactor for QRC, "QRLC", makes it possible to determine the kinetic equations of various reactions, such as the basic hydrolysis of ethyl acetate, and to calculate key kinetic constants. As a variant of tubular reactors, laminar flow reactors are characterised by fluids moving in parallel layers at a constant velocity and without significant turbulence.
QRP: Plug Flow Reactor for QR — EDIBON: Designed by EDIBON, the Plug Flow Reactor for QR, "QRP", allows the kinetics of reactions and flow behaviour in chemical systems to be studied and investigated. A plug flow reactor is a type of tubular reactor that assumes there is no axial mixing of components along its length.
QRPC: Computer Controlled Plug Flow Reactor for QRC — EDIBON: Designed by EDIBON, the Computer Controlled Plug Flow Reactor for QRC, "QRPC", allows the kinetics of reactions and flow behaviour in chemical systems to be studied and investigated. A plug flow reactor is a type of tubular reactor that assumes there is no axial mixing of components along its length.
QRS: Stirred Tank Reactors in Series for QR — EDIBON: Designed by EDIBON, the Stirred Tank Reactors in Series for QR, "QRS", are versatile units for the kinetic study of liquid-liquid homogeneous reactions. In this type of reactor, the outlet flow from one reactor becomes the inlet flow for another, which optimizes processes and enables flexible experimentation with one, two or three reactors, giving a thorough understanding of the process.
QRSA: Reactors with Stirrer in Series — EDIBON: Designed by EDIBON, the Series Stirred Reactors, "QRSA", make it possible to investigate the kinetics of liquid-liquid homogeneous reactions and to conduct experiments with multiple reactors in series. In this configuration, the outlet flow of one reactor becomes the inlet flow of another, which optimizes processes and enables flexible experimentation with one, two or three reactors, giving a thorough understanding of the process.
QRSC: Computer Controlled Stirred Tank Reactors in Series for QRC — EDIBON: Designed by EDIBON, the Computer Controlled Stirred Tank Reactors in Series for QRC, "QRSC", are versatile units for the kinetic study of liquid-liquid homogeneous reactions. In this type of reactor, the outlet flow from one reactor becomes the inlet flow for another, which optimizes processes and enables flexible experimentation with one, two or three reactors, giving a thorough understanding of the process.
QRT: Tubular Flow Reactor for QR — EDIBON: Designed by EDIBON, the Tubular Flow Reactor for QR, "QRT", is used to conduct the kinetic study of homogeneous liquid-liquid reactions.
QRTC: Computer Controlled Tubular Flow Reactor for QRC — EDIBON: Designed by EDIBON, the Computer Controlled Tubular Flow Reactor for QRC, "QRTC", is used to conduct the kinetic study of homogeneous liquid-liquid reactions. A continuous stream of reactants passes through this unit, mixing and reacting as it flows through.
QRUBI: Base and Service Unit for QRQC — EDIBON: The elements needed to operate the different reactor modules are supplied by the Base Service Unit, "QRUBI".
QUS: Base and Service Unit for QR — EDIBON: The elements needed to operate the different reactors are supplied by the Service Unit for QR, "QUS".
QUSC: Base and Service Unit for QRC — EDIBON: The elements needed to operate the different reactor modules are supplied by the Service Unit for QRC, "QUSC". It carries out the following functions.
BELCAT II: Catalyst Analyser — Microtrac MRB: Chemisorption and temperature programmed analyser for catalyst characterisation, covering temperature programmed desorption, reduction and oxidation as well as pulse chemisorption. These measurements give active metal surface area and dispersion, which is what determines catalyst activity.
BELMASS II: Quadrupole Mass Spectrometer — Microtrac MRB: Quadrupole mass spectrometer that couples to the BELCAT analyser to identify the gases evolved during a temperature programmed experiment. Without it a thermal conductivity trace shows that something desorbed; with it, what desorbed can be named.
BELMETAL 3: Metal Dispersion Rate Analyser — Microtrac MRB: Analyser dedicated to measuring metal dispersion in supported catalysts, that is the fraction of metal atoms exposed at the surface and therefore available to react. It is a focused instrument for catalyst development where dispersion is the number being optimised.

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