Tihomir Kovacevic

5 Questions 5 Answers 0 Followers

Questions related from Tihomir Kovacevic

What is the problem with flushing sulfuric acid with isobutane in the reactor section of the alkylation unit?

Hello everyone, There are some problems in the operation of the alkylation unit that require a controlled shutdown of the unit, i.e. acid cleaning by circulating isobutane. When the...

07 May 2025 1,093 1 View

What is the reason for the rise in temperature in the alkylation reactor?

Hi everybody, A suitable temperature in the alkylation reactor is between 4 and 12 C. We have two reactors in which the temperature difference should not be more than 0.5 degrees. But in the...

23 March 2023 767 1 View

Which is the reason for the appearance of sulfur in toluene from the sulfolane process?

Hello everybody, Analysis of the main products of the sulfolane process, benzene and toluene, shows the presence of sulfur in toluene (not in benzene). We assume that the reason for this may be...

27 February 2023 3,359 1 View

Which is the best curing system for trimethylolpropane trimethacrylate?

I am looking for the new unsaturated polyester resin formulations where styrene is replaced with another monomer for curing.

17 April 2018 2,059 1 View

Why do CO2 and CO transfer to Liquefied Petroleum Gas during the naphtha distillation?

It is expected that CO2 and CO transfer to lighter fraction which contains methane and ethane at the top of distillation column.

20 September 2017 9,538 5 View