Hot-gas desorption of hydrocarbons from NaX zeolites after dearomatization of liquid paraffins

Journal Article · Sat Nov 01 04:00:00 EST 1986 · Chem. Technol. Fuels Oils (Engl. Transl.); (United States)

DOI:https://doi.org/10.1007/BF00726128· OSTI ID:5862992

Fominykh, L F; Shevelev, Yu V; Shafranskii, E L; Lukanova, A A; Kondrat'ev, I I

The authors have investigated the hot-gas desorption of hydrocarbons from NaX zeolites after the dearomatization of liquid paraffins. As the feed they used paraffins from a 190-260/sup 0/C cut, recovered by adsorption on zeolites, with an aromatic hydrocarbon content of 1% by weight. The adsorbent was an NaX zeolite produced by the Salavat Petrochemical Combine. The studies were performed in adsorption-desorption units of the flow type. In the adsorption stage, the feed, in the liquid phase, passed through the zeolite bed from bottom to top. In the desorption, the gas flow (hydrogen, nitrogen) entered the adsorber at the top. They investigated the kinetics of hydrocarbon removal from the zeolite in desorption, and also the dependence of the dynamic activity of the zeolite on the temperature of hot-gas desorption.

• Research Organization: Kuibyshev Polytechnic Institute, USSR
• OSTI ID: 5862992
• Journal Information: Chem. Technol. Fuels Oils (Engl. Transl.); (United States), Journal Name: Chem. Technol. Fuels Oils (Engl. Transl.); (United States) Vol. 22:3-4; ISSN CTFOA
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020400* -- Petroleum-- Processing
ADSORBENTS
ADSORPTION
ALKANES
AROMATICS
CATALYSIS
CATALYTIC EFFECTS
CHEMICAL REACTION KINETICS
DESORPTION
FLUID FLOW
GAS FLOW
HETEROGENEOUS CATALYSIS
HYDROCARBONS
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
KINETICS
MATERIALS
MINERALS
ORGANIC COMPOUNDS
REACTION KINETICS
REGENERATION
SORPTION
SORPTIVE PROPERTIES
SURFACE PROPERTIES
TEMPERATURE DEPENDENCE
THERMOCHEMICAL PROCESSES
TIME DEPENDENCE
ZEOLITES