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Showing papers in "Chinese Journal of Chemical Engineering in 2008"


Journal ArticleDOI
TL;DR: In this article, the development of various surfactants (e.g., anionic, nonionic, cationic, zwitterionic, and silicone) and builders (inorganic, organic and polymeric builders) used in detergent compositions are reviewed and their detergency performance and biodegradability are dis-cussed.

206 citations


Journal ArticleDOI
TL;DR: In this paper, an overview of the flow phenomena and mixing characteristics in active and passive micromixers is presented, including the types of physical phenomena and their utilization in microfluidic mixers.

199 citations


Journal ArticleDOI
TL;DR: In this paper, aqueous co-precipitation of FeCl3·6H2O and FeC12·4H 2O with ammonium hydroxide was used to obtain cubic shaped and dispersive magnetic nanoparticles with narrow size distribution and average diameter of 11.4 nm.

128 citations


Journal ArticleDOI
TL;DR: In this article, activated carbon prepared from a peanut shell (PAC) was used for the removal of Pb2+ from aqueous solution and the impacts of the Pb 2+ adsorption capacities of the acid-modified carbons oxidized with HNO3 were also investigated.

114 citations


Journal ArticleDOI
TL;DR: In this article, a two-stage riser fluid catalytic cracking (TSRFCC) unit was used to transform oils and fats as FCC feed for single or co-feeding with vacuum gas oil (VGO).

94 citations


Journal ArticleDOI
TL;DR: In this paper, a combined cycle power plant with a gross power output of 832 MW is combined with a CO 2 capture plant based on a post-combustion capture using amines as a solvent.

90 citations


Journal ArticleDOI
TL;DR: In this paper, Dongying and Liaohe diesel fuels with [BF4]−-based ionic liquids were systematically investigated, and the results showed that the absorption capacity of an ionic liquid for the S-compounds in diesel fuels relies on its structure and its size.

89 citations


Journal ArticleDOI
TL;DR: In this article, the current research status of gas-liquid microreaction technology with emphasis on reactor design, hydrodynamics and mass transfer phenomena as well as reaction applications is discussed.

86 citations


Journal ArticleDOI
TL;DR: In this paper, the performance of different nanofiltration (NF) and reverse osmosis (RO) membranes was studied in treating the toxic metal effluent from metallurgical industry.

79 citations


Journal ArticleDOI
TL;DR: In this article, the authors present a systematic framework for the design of separation flow sheets for non-ideal or azeotropic mixtures or hybrid separation processes, which allows the systematic generation and evaluation of separation processes and is illustrated with the case of the separation of ethanol and water.

77 citations


Journal ArticleDOI
Jing Li1, Zhong Li1, Bing Liu1, Qibin Xia1, Hongxia Xi1 
TL;DR: In this article, the effect of relative humidity on adsorption of formaldehyde on the activated carbons modified with organosilane solution was investigated, and it was found that the higher the relative humidity of gas mixtures through the packed beds, the smaller the breakthrough time.

Journal ArticleDOI
TL;DR: In this article, the authors investigated the effects of reaction temperature, pressure, and time on amino acid yield in a subcritical water reactor without catalysts, and obtained the macroscopic reaction kinetic equation of fish proteins hydrolysis.

Journal ArticleDOI
TL;DR: In this paper, an upflow mode membrane-less microbial fuel cell (ML-MFC) was designed for wastewater treatment, which achieved a stable power output of 536 mW·m−3 with reference to the anode volume.

Journal ArticleDOI
TL;DR: In this paper, a sequence hybrid biological reactor (SHBR) was proposed, and some key control parameters were investigated for nitrogen removal from wastewater by simultaneous nitrification and denitrification via nitrite.

Journal ArticleDOI
TL;DR: In this article, the performance of a rotating packed bed (RPB) with three kinds of packings was investigated using alcohol/water solution under continuous distillation conditions at atmospheric pressure, and the effects of average high gravity factor (β), reflux ratio (R), and feedstock flux (F) on mass transfer in distillation were examined separately.

Journal ArticleDOI
TL;DR: In this article, a model based on an equation of state for estimating the viscosity of mixtures containing ionic liquids was proposed by coupling with the excess Gibbs free energy model of viscoities, which can synchronously calculate the viscoity and the molar volume.

Journal ArticleDOI
TL;DR: Several MoS 2 catalysts of different structure, prepared by in situ decomposition of ammonium heptamolyb-date (AHM) and molybdenum naphthenate (MoNaph), and by MoS2 exfoliation (TDM), were characterized by BET, X-ray diffraction (XRD), Energy Dispersive Xray (EDX) and transmission electron microscopy (TEM).

Journal ArticleDOI
TL;DR: In this article, the authors measured the flow fields in a dual Rushton impeller stirred tank with diameter of 0.48 m (T) by using Particle Image Velocimetry (PIV).

Journal ArticleDOI
TL;DR: In this article, two novel thermal cycles based on Brayton cycle and Rankine cycle are proposed, respectively, which integrate the recovery of low-level waste heat and Liquefied Nature Gas (LNG) cold energy utilization for power generation.

Journal ArticleDOI
TL;DR: In this article, the activated hard shell of Iranian apricot stones was used for gold recovery from electroplating wastewater, and the effect of parameters such as dose and particle size of adsorbent, pH, agitation speed of mixing on the gold recovery was investigated.

Journal ArticleDOI
TL;DR: Based on image multi-feature fusion and support vector machine, a new method to identify flow regime in two-phase flow was presented in this paper, where the image moment invariants and gray level co-occurrence matrix texture features were extracted using image processing techniques.

Journal ArticleDOI
TL;DR: The potential application of the novel affinity-based reverse micelles consisting of biocompatible surfactant coupled with affinity ligands in the downstream processing of biotechnology is illustrated.

Journal ArticleDOI
TL;DR: In this paper, an experimental study was conducted to investigate the fouling process of calcium carbonate on the heat transfer surface, during forced convective heat transfer, using a dynamic monitoring apparatus of fouling resistance.

Journal ArticleDOI
TL;DR: A comparison with selected correlations in the literature showed that the developed SVR correlation noticeably improved the prediction of pressure drop over a wide range of operating conditions, physical properties, and pipe diameters.

Journal ArticleDOI
TL;DR: In this article, the solvent selection problem was formulated based on the methodology guidelines, and solved using ICAS software tool, and a list with solvent candidates was generated so that it can be further investigated experimentally.

Journal ArticleDOI
TL;DR: In this paper, the catalytic effect of Co nanoparticles on the decomposition of ammonium perchlorate (AP) was investigated by differential thermal analyzer (DTA).

Journal ArticleDOI
TL;DR: In this paper, a fluorine-containing polyacrylate copolymer emulsion was synthesized by a seed emulsion polymerization method, in which methyl methacrylated (MMA) and butyl acrylate (BA) were used as main monomers and hexafluorobutyl methacyl (HFMA) as fluorine containing monomer.

Journal ArticleDOI
TL;DR: In this article, a modified mathematical model to account for mass and heat transfer between the solid particles and the surrounding gas in the emulsion phase is developed in this work to include site activation reaction.

Journal ArticleDOI
Guoxiang Ye1, Xiaoping Lü1, Fei Peng1, Pingfang Han1, Xuan Shen1 
TL;DR: In this paper, the ultrasonic-electric united process was used for treating high salt-contenting crude oil for desalting and dewatering, and the results showed that it is more effective than the electric process in high salt content.

Journal ArticleDOI
TL;DR: In this article, a thermogravimetric analyzer (TGA) was applied for monitoring the mass loss profiles under heating rate of 10°C·min−1, which indicated a significant synergistic effect during polylactic acid (PLA) and biomass copyrolysis.