Current article is devoted to the development of a method for determining polymer functional additives and their molecular weight characteristics in diesel fuel by gel penetration chromatography. The objects study were solutions “C5A”, “Maxoil D”, “Detersol”, polymethymethacrylate “D” (PMAD), “Keropur D ”, Antigel “Difron 3319” “Superantigel” individual as well produced “Kuban Oil Gas Company -...

A model predictive control (MPC) strategy is developed to determine the optimal solution of the short-term refinery production planning problem. The main objective of the proposed algorithm is to maximize the total profit and to minimize the costs regarding the refinery process over a planning horizon. The refinery planning problem is solved in discrete time over a pre-determined prediction hor...

For a number of years the cane sugar industry has been experimenting with various types of continuous centrifugals. The obvious advantages of lower power, less labour and uniform performance make this type of operation very attractive. At our 1954 and 1955 Congresses two very interesting papers were read dealing with the performance of the pusher-type of continuous centrifugal developed by the ...

Process simulation has been widely used in refineries for more than 30 years. Steady state and dynamic simulations are established tools for the design of new process units and optimisation (off and online) of existing facilities. While mathematical models of separation systems and other unit operations are available in most commercial process simulators, refinery reactors are very specialised ...

The occupational health program of a large oil refinery and petrochemical plant incorporates features which aid in the detection of pulmonary tuberculosis. The periodic examination system which includes a routine chest roentgenogram and which is conducted on all plant employees at 12-24 month intervals would be expected to discover asymptomatic cases. In addition, other cases might be found whe...