Modernization of three reactor units – each consisting of a reactor, sub-reactor, and waste heat exchanger

Engineering and installation of a flue gas desulphurization plant for efficient reduction of sulphur dioxide emissions

HyLube plant for the production of API base oils Group III/III+ based on used oil

Modification of the existing Arosolvan plant: replace-ment of N-methyl-2-pyrrolidone (NMP) by the less toxic solvent tetraethylene glycol (TTEG), minimization of energy and utilities consumption

Revamp of existing crude oil distillation plant replacing two side stripper columns, pre-column and liquified gas column with two reboilers in compund shutdown „Step2“

Extension of the existing measuring, dosing and blending systems to improve plant flexibility and to double capacity

Conversion of the PDA plant built in 2011 using a solvent mixture instead of propane

Optimization of the coker unit with replacement of two coke drums; weight per coke drum: 400 t, height per coke drum: 35 m

Installation of 2 HDS plants (Euro-5-Norm) on license basis of Shell and UOP, executed according to Russian national project conditions

Revamp of a PDA plant with two new extraction columns (Ø 3,6 m, 107 t) in cooperation with

Sulzer Chemtech (internals) and Kremsmüller (columns)

Replacement of the HDS-3 reactor in the plant for desulphurization and denitrification of vacuum gasoil; reactor: 465° C / 80 bar, hight: 25 m, weight: 382 t

Revamp of the crude-oil-distillation RD-4 for yield improvement and enhanced plant operation mode

Revamp of the DEA-1 and DEA-2 distillation plants to improve product yield and plant operation,

replacement of column and key equipment

Revamp of the crude oil distillation unit (Rohöl1) with replacement of the vacuum

column and a stripper column, optimized prefabrication in modules

Replacement of the regenerator at the FCC unit; because of the heavy weight (648 t) it was

performed in three cases and was finalized together with the LCO recovery project at the

shut-down „kleiner 16“

Revamp of the medium-pressure desulfurization plant DK2 replacing the stripper column including foundation

Reconstruction of FCC gas processing plant to improve the yield structure

Revamp of alkylation plant for capacity expansion of alkylate increase

Reconstruction of FCC gas processing plant to improve the yield structure

Modernization of the crude oil distillation plant4 (RD4), distillation plant1 (DEA1), distillation plant2 (DEA2), new residue cooling system (RSK) to increase cooling capacity at residue line

Capacity extensions to butadiene production unit

Replacement of the vacuum column of the vacuum plant based on the modern deep-cut process

The new PDA plant is to obtain deasphalted oil from vacuum residue by propane extraction

Modernization the crude oil distillation plant 4 (RD4) in Schwechat including the modernization of the lower circulation return lines of the distillation plant

Replacement of the main column for improvement of MD recovery and for production of a jet fuel component; use of a 1350 t crane during installation

Revamp of the stripping column with further peripheral equipment to improve the propene recovery process

Construction of the gasoil desulphurization plant „IGO ppm 50 S“

Complete revamp of the desulfurization plant HDS-1 to reduce the sulfur production to less than 10 ppm and triple the capacity from 1000 TPD to 3500 TPD

Construction of a C3 splitter (Ø 5,2 m, total height 84 m) to produce propylene with polymer grade quality

Debottlenecking of refinery gas plant