FIELD: process engineering.
SUBSTANCE: invention may be used in chemical industry for chromatographic separation of, at least, one normal paraffin, olefin or aromatic hydrocarbon from the mix. SMB separator comprises column, layers of adsorbents Ai-1, … Ai+4 separated by plates Pi-1, … Pi+4 arranged there under, circuits of distribution and extraction of raw material F, desorbent D, raffinate R and extract E, and two-way valves Vi-1…Vi+4 to distribute said fluids. Said column is divided into multiple sections with two or three plates arranged one above the other. Every said section comprises outer bypass line Lk, … Lk+2 communicated with every plate via branch pipe accommodating said two-way valve.
EFFECT: higher efficiency and reliability, simplified design.
21 cl, 9 dwg
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