BTX Catalysts

Discover Tonsil® APT

WHAT IF TONSIL® APT MAKES YOUR LIFE EASIER IN DAY TO DAY OPERATIONS OF BTX PURIFICATION?

State-of-the-art clay catalysts

for Aromatic Complexes

Pure aromatics are the starting material for various products such as PET, Polystyrene, plastic fibres, and other plastic materials. 

Aromatic compounds are produced in a fully integrated process with the intent of producing benzene, toluene and xylene (BTX). In the reformate splitter the feedstream is separated into two streams. For each application, Clariant offers a specialized product to increase yield, decrease by-products and prolong cycle length of downstream catalytic systems. Two of the well established designs for the Aromatic Complex are the Axens and the UOP designs. Both can use Tonsil® catalysts.


Challenge

Manufacture aromatics with the highest possible purity

The challenges of the aromatic complex are: 

  • Obtain pure aromatics, particularly benzene and p-xylene 
  • Olefin removal in the minimum number of steps
  • Need to keep the process running as long as possible to avoid extra costs incurred if the catalyst has to be changed
  • Find suitable clay catalysts for special challenges of each application
  • To remove impurities in the feed like organic nitrogen to enable a long catalyst cycle life
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Solution

CLARIANT’S TONSIL® APT
REMOVES UNDESIRED IMPURITIES AND
OLEFINS EASILY IN AROMATIC STREAMS

Tonsil® APT are new types of catalysts which look different and show a better performance offering a multitude of advantages:

  • Less complex loading (no sand required)
  • Less pressure drop
  • Less dust during loading
  • Higher activity of catalyst
  • Larger catalyst volume


Tonsil® APT-mX 
for heavy reformate stream


Tonsil® APT-BT
removes olefins from benzene/toluene stream


Tonsil® APT-pX 
removes olefin from para-xylene rerun


Tonsil® APT-N
removes organic nitrogen impurities

Olefin removal – Mode of function

The goal of this process is to manufacture pure aromatics. Tonsil® APT-mX removes olefins from the heavy reformate stream, by acid catalyzed alkylation of benzene/toluene, to give products with a higher boiling point which can easily be removed later in the process. With the Bromine test olefins in the BT stream can be detected by color. 

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Benefits

BTX purification made easier with
an array of supporting features

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TONSIL® APT series catalysts have their basis on the expertise which was gained with the TONSIL® CO series. Tonsil® catalysts contain less side reaction active sites, have high surface area and superior pore properties. Those properties ensure the long cycle time of Tonsil® catalysts, thus reduce the number of change outs and operation costs, increase the operation efficiency and reduce energy consumption. Due to the larger loading volume and the higher bulk density of the Tonsil® APT catalysts, the lifetime of any Tonsil® APT is up to 15% longer than the comparable Tonsil® CO catalyst.


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Longer Cycle life

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Easier Loading

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Larger loading volume


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Higher activity



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Reduced energy
consumption


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Reduced
OPEX Costs


Worldwide availability and service

Always close to you, Offering
quick service and solutions


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Norbert Modl

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Disclaimer:
This information corresponds to the present state of our knowledge and is intended as a general description of our products and their possible applications. Clariant makes no warranties, express or implied, as to the information’s accuracy, adequacy, sufficiency or freedom from defect and assumes no liability in connection with any use of this information. Any user of this product is responsible for determining the suitability of Clariant’s products for its particular application. 


* Nothing included in this information waives any of Clariant’s General Terms and Conditions of Sale, which control unless it agrees otherwise in writing. Any existing intellectual/industrial property rights must be observed. Due to possible changes in our products and applicable national and international regulations and laws, the status of our products could change. Material Safety Data Sheets providing safety precautions, that should be observed when handling or storing Clariant products, are available upon request and are provided in compliance with applicable law. You should obtain and review the applicable Material Safety Data Sheet information before handling any of these products. For additional information, please contact Clariant.

* For sales to customers located within the United States and Canada the following applies in addition: No express or implied warranty is made of the merchantability, suitability, fitness for a particular purpose or otherwise of any product or service.

© Trademark of Clariant registered in many countries.
® 2013 Clariant International Ltd

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