FIELD: chemical processes.
SUBSTANCE: invention relates to a plant for catalytic processing of light hydrocarbon raw materials for producing aromatic hydrocarbons, including a catalytic processing unit consisting of a catalytic processing assembly with a raw materials supply line, a catalysate separation assembly included an air cooling apparatus, a first refrigerator, a separator, and a compressor with a second refrigerator and an adsorption purification unit additionally including a fractionation unit. The catalysate separation assembly is provided with a fractionation absorber with a cooling unit equipped with a separation gas supply line with a compressor, an air cooling apparatus, and a second refrigerator, as well as a stripped gas output line, located whereon is an adsorption purification assembly equipped with a stripping gas supply line and connected by the regeneration gas output line with the separator and by dry gas output line, with a membrane system equipped with a hydrogen-containing gas output line and connected with the catalytic processing assembly by the methane-containing circulating gas output line, wherein the fractionation unit is equipped with aromatic hydrocarbon output lines and connected with the separator by the separation residue supply line, with the fractionation absorber by the lines for outputting the C9+ hydrocarbon fraction as an absorbent and supplying the saturated absorbent, and with the separation gas supply line or the methane-containing circulating gas supply line, by the exhaust gas output line, also, the raw material supply line is connected with the methane-containing gas supply line and then with the cooling unit of the fractionation absorber, the first and second refrigerators.
EFFECT: facilitated installation and increased inter-regeneration run of the catalyst.
2 cl, 1 dwg
