Igor Dolganov

Development of approach to modelling and optimization of non-stationary catalytic processes in oil refining and petrochemistry

Abstract An approach to modelling of non-stationary catalytic processes of oil refining and petrochemistry is proposed. The computer modelling systems under development take into account the physical and chemical reaction laws, raw materials composition, and catalyst nature. This allows using the software for the optimization of process conditions and equipment design. The models created can be applied for solving complex problems of chemical reactors design; calculation of different variants of industrial plants reconstruction; refining and petrochemicals catalysts selection and testing; catalyst service life prolongation; determination of optimum water supply into the alkanes dehydrogenation reactor; optimization of products separation in the benzene alkylation process.

Computer Program for Optimizing Compounding of High-Octane Gasoline

A procedure for calculating octane numbers of commercial gasolines with due regard for the intensity of interaction between molecules of blend components, and the mechanism of interaction of interaction of anti-knock additives with hydrocarbons is elaborated. Based on the models developed, a computer program is created for optimization of the process producing high-octane gasoline. The program allows quick and precise determination of the optimum ratio of components, which ensures production of commercial gasolines that meet all the requirements of regulatory documents.

Raising the efficiency of linear alkylbenzenes production Using the computer modeling system

Computer modeling system is developed for the production of linear alkylbenzenes — the raw stock for biodegradable synthetic detergents. The system allows raising the efficiency of plant operation by choosing the most appropriate catalyst, computing optimal water supply into the reactor calculating recycling and heat outfit schemes for the installation.

Low-temperature separation of gas: Simulation of dynamic conditions

ABSTRACT The aim of the present paper is to increase the efficiency of low-temperature gas separation plant with use of simulation dynamic model. The paper analyzes the main processes occurring at the installation and performs the results of model verification. In addition, the technological scheme of natural low-temperature gas separation and operating parameters of one of the existing installations were considered. A non-stationary mathematical model of the chemical-technological system of low-temperature gas separation was developed. Due to the unsteady mathematical model, it became possible to estimate the time spent on the transient phenomena, as well as to choose the rate of low-temperature separation control parameters change, depending on the technological mode. Eventually, the calculations show how it is possible to avoid the instability of plant operation upset conditions at the workplace. The field of the developed model application is oil and gas industry and also higher education institutions. This software can be used to test the stability of both existing and projected low-temperature gas separation plants.

Optimization of linear alkyl benzene production

Computer modeling system has been created, based on the physical-chemical model of the linear alkyl benzenes production, to predict the activity and stability of dehydrogenation catalysts - rate-limiting step of the base products production, evaluate numerical effect of process parameters on the product chemical composition, that allows to predict the efficiency of chemical-engineering system devices of dehydrogenation and optimize this process.