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Article
Preparation and Kinetics of Thermal Analysis of Inorganic–Organic Composite Modified Carboxymethyl Starch and Its Applicability as Flocculant for Oily Wastewater Treatment
A novel inorganic–organic flocculant (CMS-g-PDMC/PAC) was synthesized by introducing quaternary ammonium and polyaluminum chloride (PAC) onto the backbone of carboxymethyl starch (CMS). The optimal preparation...
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Article
Analysis of the extrusion pressure of a cylindrical extruder for extruding highly viscous fluids
Extrusion pressure is crucial for the security and performance of a cylindrical extruder during the extrusion process. In this study, a validated CFD model was adopted to evaluate the relationship between the ...
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Article
Computational fluid dynamic analysis of mass transfer and hydrodynamics in a planetary centrifugal bioreactor
Planetary centrifugal bioreactors are promising candidates for cell culture platforms since there is no pollution caused by stirring blades. In this work, the fluid structure in a planetary centrifugal bioreac...
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Article
Numerical investigation of the mixing process in a Twin Cam Mixer: Influence of triangular cam height-base ratio and eccentricity
The twin cam mixer (TCM), as a general-purpose mixer, shares many attributes in common with 3D industrial mixers, like the internal mixer. We investigated the mixing process in a 2D TCM with two identical isos...
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Article
Influence of Zirconium Modified USY on Coupled Hydrogenation and Ring Opening of Tetralin Over NiW/USY + Al2O3
There is increasing interest in modification USY in hydrotreating catalysts to attain high activity and targeted product selectivity. Zirconium modification on USY (Zr-USY) was designed in this study. Zirconiu...
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Article
Zeolites as Shape-Selective Catalysts: Highly Selective Synthesis of Vanillin from Reimer–Tiemann Reaction of Guaiacol and Chloroform
Reimer–Tiemann reaction of guaiacol and chloroform was carried out in the presence of various zeolites. Vanillin was afforded as major product in a high selectivity. Zeolites played an important role of shape-...
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Article
Tailoring Alumina Support with Crystalline AlPO4-5 for Enhancing Hydrodesulfurization Activity
Crystalline AlPO4-5 modified alumina was firstly developed as support for hydrodesulfurization (HDS). It can promote the reducibility of metal oxides, inhibit inactive nickel spinel formation and facilitate more ...
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Article
ETS-10 Modulation to Alumina Support and its Promotion for Hydrodesulfurization
A composite support with ETS-10 stabilized in alumina, was firstly developed for hydrodesulfurization (HDS). It can impede inactive nickel spinel formation and favor more polymeric tungsten species formation, ...
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Article
Thermal and hydrothermal stability of La-modified ETS-10 and its cracking ability
The ETS-l 0 molecular sieve was modified with lanthanum by ion-exchange method. The lanthanum modified ETS-10 shows best thermal and hydrothermal stability in comparison with the as-synthesized ETS-10 and ammo...