Design of a Plug Flow Reactor (PFR) Tubular reactors are widely used in order to perform chemical reactions in gas or liquid flows. A common way to model such reactions is to assume an ideal plug flow inside the tube. In this tutorial, the design of a tubular reactor for a non-catalytic gas phase reaction is illustrated based on the plug flow assumption by using the CHEMCAD unit operation KREA (kinetic reactor).

Mar 17, 2014  I was wondering if anyone knew where to find a download of Chemstation Rev. We recently acquired a 'new' 5890 GC and autosampler. Problem is, I've already got 2 5890s with autosamplers on one computer. I wish that Agilent had provided the patches/upgrades for free, because the version A is not compliant with current regulations. Try CHEMCAD for free today and find out how easily you can simulate simple and complex chemical processes on one intuitive, graphical interface.

In comparison to an equilibrium-based model like implemented in the unit operations GIBS (Gibbs free energy minimization) and EREA (equilibrium reactor based on given stoichiometries) the KREA unit allows a reactor design when kinetic reaction data is available. Heat exchanger simulation Heat exchangers can be easily calculated in CHEMCAD by solving the energy and mass balances. This is completely sufficient for a standard flowchart simulation.

However, a more detailed examination is required if the heat transfer and the pressure loss in dependence on the flowing media and the geometry of the heat exchanger are to be determined. The CHEMCAD module CC-THERM contains numerous calculation bases for different types of heat exchangers (tube bundles, plates, air coolers etc.) and application cases (condensation, evaporation, natural circulation, etc.). The use of CC-THERM is explained in this tutorial using a simple example: the rating of a tube bundle apparatus. More than 30 different thermodynamic models for the calculation of phase equilibria are available. Pcsx2 bios.

In addition to the usual gE models and equations of state, it is also easy to add and use custom K-value models. Also, there are numerous special settings for special conditions (e.g. Pointing correction at high pressures) or material systems (e.g. Vapor phase association for acetic acid). And for the calculation of enthalpy, more than 10 models are available. The usual models are also provided for additional component data and mixing rules.

With local thermodynamic settings, different models can be applied within the same flow sheet.

Cyoung wrote: Hi all, I was wondering if anyone knew where to find a download of Chemstation Rev. We recently acquired a 'new' 5890 GC and autosampler. Problem is, I've already got 2 5890s with autosamplers on one computer. As far as I understand, that's the maximum allowable instruments Chemstation will support on one computer.

I have no idea where my predecessor put the original software disc. If anyone can help me out, I'd appreciate it! In spite of having install version of the software you need to have valid license for it. Have you bought this GC with software?

Is there a label with license number? For Chemstation MSD B.02 is the last version that will operate a 5890.

It is designed to run on NT 4.0 Win 2000 also works but XP I've heard conflicting reports about. I was going to try and put mine on XP with B.02 but I use the 82341C ISA HPIB controller and IOlibraries that run on XP won't supoort the controller card.

14.2 is the last one stated to support the 8341C card but that would not talk to the 5890 so I went all the way back to H version. It is all running fine now. Unichrom and Clarity will run a 5890 mainly via RS-232 and the 7673 with INET in Unichrom. Hi, Did you get any program CD from Agilent? Our firm recently acquired 2 used Agilent HPLCs with PDA and RID (Previously we had Shimadzu and Dionex HPLCs). Installed software is Chemstation version A. We can operate the HPLCs with the installed program.

I inquired with Agilent rep regarding the 21 CFR Part 11, and he said that version A, B are not in compliance, only C is in full compliance. Also, the software is not transferable (per Agilent), and we must buy full version, at the cost of >$30K. I have got quote for Clarity CDS for $4K, with documentation showing it is full compliance. Our new QA head only wants Waters and Agilent, but not other brands. Is there another seller of Chemstation version C? Thank Alfred. Alfred, unfortunately the OpenLAB ChemStation is not compliant unless you add the OpenLAB ECM or DataStore to it.