Crude Distillation Unit

CONSER offers technology for the complete design (Basic Process Book) of Topping units.

In addition to process design for new units, Topping projects carried-out by CONSER would typically include the following technical aspects:

• Design of units with different crude feedstock ranging from Middle East to North African and South American
• Debottlenecking and innovation studies
• Optimization of plant operating conditions specifically tailored to the client’s and market's requirements
• Heat recovery analysis for energy saving
• Optimization of the thermal profile in the main fractionator for maximum recovery of distillate up to 410°C TBP cut on crude
• Improvement of units reliability

Catalytic Cracking

CONSER offers relevant experience and know-how in revamping of Catalytic Cracking units by a deep practical knowledge of the effects of the operating parameters in the reaction and fractionation sections.
Catalytic cracking projects carried-out by CONSER include:

• Revamping and modernization studies
• Improvement of product fractionation
• Optimization of gas concentration section to maximize LPG recovery
• Arrangement of main fractionation system to improve products quality and capacity by debottlenecking of gas compressor performances
• High purity propylene production by low level heat available from process stream

Vacuum Distillation

CONSER offers technology for the complete design (Basic Process Book) of Vacuum Units.

In addition to new units design, typical Vacuum Distillation projects carried-out by CONSER include the following:

• Revamping and modernization studies
• Optimization of TBP Cut Point vs. Con Carbon Residue and metal content by proprietary mathematical model
• Selection of wet or dry operation based on client’s requirements
• Straight-run or Visbroken tar feedstock
• Deep cut-point technology

Distillate HDS

CONSER offers technology for the complete design (Basic Process Book) of Middle Distillate HDS units.

The CONSER process is supported by a relevant experience and know how in HDS units design and by a deep knowledge of the performances of proven catalysts in different operating conditions.
CONSER experience covers also VGO HDS/Mild Hydrocracking operation.

In addition to the complete design of new units, HDS projects carried-out by CONSER typically include the following:

• Debottlenecking and modernization studies
• Improvement of performances to meet gasoil specifications (sulfur, cetane, aromatics)
• Selection of optimum catalyst
• Design for feedstocks ranging from 100% straight-run to 100% cracked gasoil
• Influence of hydrogen purity

Gasoline and Light Ends Units

CONSER has wide and proven experience in the design of distillation systems for refinery applications with particular concern to Gasoline and Light Ends products.
The know how acquired through years of experience permits CONSER to select the best arrangement, optimizing product quality and operating costs.

Typical projects carried out by CONSER include:

• Design of new units
• Revamping and modernization studies
• Optimization of gasoline splitting to obtain isomerization feed cut
• Optimization of gasoline splitting to minimize benzene precursors in reformer feed
• Splitting of reformate gasoline
• Propane/propylene splitters with/without heat pump
• Optimum arrangement for maximum LPG recovery
• Optimization of operating conditions for energy saving and/or increased capacity

Naphtha HDT-Catalytic Reforming

CONSER offers technology for the complete design (Basic Process Book) of Naphtha HDT/Catalytic Reforming units.
The CONSER process is supported by a relevant experience and know-how in design and by a deep knowledge of the performances of proven catalysts in different operating conditions.

HDT/Reforming projects carried out by CONSER typically include the following:

• Design of new units
• Revamping and modernization studies
• Evaluation of influence of cracked naphtha on the performances of HDT unit
• Evaluation of influence of operating pressure on the performances of Reforming unit

Visbreaking-Thermal Cracking

CONSER, in association with qualified suppliers of cracking furnaces, offers technology for the complete design (Basic Process Book) of Visbreaking/Thermal Cracking units.
The CONSER processes are supported by a relevant experience and know how in design of VSB/TC units and by a deep practical knowledge of the effect of the operating parameters.

In addition to the process design for new VSB/TC the units, projects carried-out by CONSER would typically include:

• Revamping and modernization studies
• Improvement of yield by recycle operation
• Troubleshooting (namely: fouling in column and heat exchangers)
• Operation with/without reaction chamber
• Experienced design of quench system
• Straight-run and cracked feedstocks for thermal cracking
• Atmospheric and vacuum residue feedstocks for Visbreaking

Middle Distillate Dewaxing MDDW

CONSER, in collaboration with MOBIL RESEARCH, offers technology for the complete design (Basic Process Book) of Middle Distillate Dewaxing (MDDW).
CONSER has a leading position in design of MDDW units due to a strict cooperation with MOBIL RESEARCH starting from the first commercial application of the technology.

MDDW projects carried out by CONSER typically include the following:

• Process design of new units
• Revamping of HDS units to MDDW operation
• Revamping of HDS units to combined MDDW/HDS operation
• Design for gasoil feedstock from Middle east crudes to high paraffinic crudes

Gas Treating

CONSER offers technology for the complete design (Basic Process Book) of gas treating units.
Projects are supported by the know-how and experience of CONSER alone or in collaboration with selected partners.

In addition to the design of new units, typical gas treating projects carried-out by CONSER include the following:

• Selection of the most appropriate solvent depending on specific application (MEA, DEA, MDEA, DGA, UCARSOL, GAS SPEC)
• Troubleshooting (corrosion, foaming)
• Debottlenecking towards increased capacity and energy savings
• Drying and purification for petrochemical applications

Ethylene

CONSER has devoted considerable efforts in the upgrading and modernization of existing steam cracker units for the production of Ethylene.

The experience and know-how accumulated on design and on operational parameters under varying conditions provides CONSER with a relevant position in the art of olefin technology upgrading.

The experience of CONSER in ethylene plant design and revamping extends over more than 40 years.

Design features which have been incorporated in existing plants include the following:

• Optimum recovery of the heat available from the pyrolysis furnace effluent stream
• Addition of low level waste heat recovery facilities
• Improved integration of the heat requirements in the process with the heat available in the quench system
• Reduction of pressure drop at the interstages of the compression system
• Increase of the number of the distillate and condensate strippers to reduce the recycle to the compressor system
• Improved demethanized feed system by multifeed chilling and prefractionation to decrease refrigeration duties
• Incorporation of turboexpander - recompressor in the demethanizer overhead to reduce the cryogenic refrigeration load
• Reduce the consumption of energy in the deethanizer by increasing the number of trays and using inter-reboiler
• Increase the efficiency of the ethylene fractionation tower employing external refrigeration circuits for reboiling and condensing
• Improved selective hydrogenation systems
• Improved integration of the process units with the utilities systems
• Improved valorization of the co-products as polymer grade propylene, C4 fractions, pyrolysis gasoline, aromatics, etc..