an air filter is a significant element of any mechanical ventilation system. however, the importance and performance evaluation of air filters have not been well publicized and related scientific reports are scarce. in this study, a transportable, off-line, air filter-testing unit (the unit) was designed and utilized to simulate the filter housing of a mechanical ventilation system. the unit wa...

Before examining chromatographic separations, it is useful to consider the separation process in a liquid-liquid extraction. Certain features of this process closely parallel aspects of chromatographic separations. The basic procedure for performing a liquid-liquid extraction is to take two immiscible phases, one of which is usually water and the other of which is usually an organic solvent. Th...

Suppose you are a chemist involved in developing a new product for a textile company. As part of the new process, a suspension of the compound lead phosphate will be used to treat the surface of the textile. The lead phosphate will end up in the waste effluent from your plant. This effluent will be discharged to the local municipal wastewater treatment plant. Unfortunately, from your standpoint...

The paper presents the development of a program for controlling main parameters separation process in industrial automation instrumental complex CODESYS V3. Also visualization control panel was developed. Based on this, unit assembled with presented version software air-gravity machine.

The process of a large-scale air separation unit is simulated based on the industrial process and operational parameter of a petrochemical company by using ASPEN PLUS. The actual operating performance is analyzed for the total site. According to the simulation results, exergy efficiency of major equipment is analyzed. The optimization problem can be solved by a new algorithm, which combines gen...