Zobrazeno 1 - 10
of 12
pro vyhledávání: '"323"'
Publikováno v:
Chemical Engineering Science. 52:3593-3597
Isobaric heat capacities C p have been measured, from 323 to 423 K at pressures from 5 to 25 MPa, by direct calorimetry for different gaseous mixtures containing between 83 and 99% of methane and usually encountered in natural gas. The experimental t
Publikováno v:
Chemical Engineering Science. 64:313-321
The absorption of CO2 into aqueous solution of 2-(1-piperazinyl)-ethylamine (PZEA) were studied at 303, 313, and 323 K within the amine concentration range of 0.083–1.226 kmol m−3 using a wetted wall column absorber. The experimental results were
Publikováno v:
Chemical Engineering Science. 176:19-34
In this work, the phase equilibria of the system comprised of isophorone, furfural, water and acetic acid were studied from the viewpoint of the extraction process. Equilibrium vapor pressure of pure isophorone was measured at sub-atmospheric pressur
Autor:
Vanessa F.D. Martins, Rute Seabra, Alírio E. Rodrigues, Alexandre F. P. Ferreira, Ana M. Ribeiro
Publikováno v:
Chemical Engineering Science. 229:116006
In this work, binderfree zeolite 13X monoliths were tested as a new promising material for high purity ethylene production from olefin/paraffin mixtures by gas-SMB technology. To characterize the adsorbent and its potential for the target separation,
Autor:
Miguel A. Granato, Nabil Lamia, Alírio E. Rodrigues, Hubert Chevreau, Miguel Jorge, Filipe A. Almeida Paz
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
The separation of propane/propylene mixtures is the most energy-intensive operation practiced in the petrochemical industry. Adsorptive processes are currently viewed as a promising alternative to cryogenic distillation for the separation of these mi
Publikováno v:
Repositório Científico de Acesso Aberto de Portugal
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
Repositório Científico de Acesso Aberto de Portugal (RCAAP)
instacron:RCAAP
The solubility of CO 2 in aqueous solutions of potassium glycinate was measured in a stirred reactor, at temperatures from 293 to 351 K, for amino acid salt concentrations ranging between 0.1 and 3.0 mol dm - 3 and CO 2 partial pressures up to 6 × 1
Publikováno v:
Chemical Engineering Science. 64:1618-1622
The kinetics absorption of CO 2 into aqueous blends of 2-(1-piperazinyl)-ethylamine (PZEA) and N -methyldiethanolamine (MDEA) were studied at 303, 313, and 323 K using a wetted wall column absorber. The PZEA concentrations in the blends with MDEA var
Publikováno v:
Chemical Engineering Science. 61:3893-3906
A novel compact adsorption-based process for removal of carbon dioxide and nitrogen from low and medium natural gas flowrates is discussed. The layered pressure swing adsorption (LPSA) process studied is composed of a zeolite 13X to selectively remov
Autor:
Shigeo Goto, Farid Aiouache
Publikováno v:
Chemical Engineering Science. 58:2065-2077
The kinetics of the etherification of tert-amyl alcohol with ethanol, catalysed by a strong ion-exchange resin, Amberlyst 15, has been studied in a batch reactor at temperatures between 323 and 353 K and at a pressure of 0.8 MPa. The kinetics was des
Autor:
Kenji Hashimoto, Takao Masuda, Akira Shichi, Shin R. Mukai, Tadashi Hattori, Motoaki Kawase, Yoshihito Okubo, Atsushi Satsuma, Y. Kiyozumi
Publikováno v:
Chemical Engineering Science. 56:889-896
Intracrystalline and effective diffusivities of ethane, propane, ethylene and propylene were measured for several kinds of MFI-type zeolite, such as silicalite-1, H-MFI, Cu- and Co-MFI-type zeolites at temperatures ranging from 323 to 823 K . The int