Showing papers in "Process Safety and Environmental Protection in 2015"

TL;DR: In this paper, the authors reviewed past progress in the development of methods and models for process safety and risk management and highlighted the present research trends; also it outlines the opinions of the authors regarding the future research direction in the field.

TL;DR: In this article, Cationic surfactant (Hexadecyltrimenthylammonium chloride) modified bentonite clay was prepared and systematically studied for its adsorption behavior as an efficient adsorbent for the removal of basic dyes such as methylene blue (MB), crystal violet (CV) and Rhodamine B (RB) from aqueous phase.

TL;DR: Wang et al. as discussed by the authors considered more than 2000 dust explosion accidents that occurred worldwide between 1785 and 2012 and examined spatially and temporally the statistical features of these cases.

TL;DR: In this article, a cost efficient NiO nanoparticles were synthesized by hydrothermal production of nano-scale Ni(OH) 2, using Ni(NO 3 ) 2 ·6H 2 O and NaOH as precursors, in the presence of H 2 acacen ligand.

TL;DR: In this paper, the authors reviewed the methods used to produce biodiesel fuel from various types of sources such as palm oil, jatropha oil, microalgae, and corn starch.

TL;DR: In this paper, the effects of the main operating parameters, including the methanol to oil molar ratio, catalyst concentration, and reaction temperature, on the biodiesel yield were investigated.

TL;DR: In this article, the authors used FTIR spectroscopy to get information on the interactions between the activated carbon from apricot stone (ASAC) activated with H 3 PO 4 and its ability to remove the basic dye Congo red (CR) used in the textile industry in aqueous solution.

TL;DR: FTA methodology is extended to petrochemical process industry in which fire, explosion and toxic gas releases are recognized as potential hazards and theoretical and practical values are provided to challenge with operational data shortage in risk assessment.

TL;DR: Rotating biological contactors (RBCs) for wastewater treatment began in the 1970s as discussed by the authors and have been applied with only limited success for enhanced biological phosphorus removal and attained up to 70% total phosphorus removal.

TL;DR: In this article, the adsorption of two widespread emerging water contaminants (atrazine and paracetamol) onto three different activated carbons was investigated and the carbons were characterized and the influence of their physicochemical properties on the adaption performance of atrazine, and the results indicated that hydrophobic character of the compounds does not affect the sorption capacity of the tested carbons but does influence the uptake rate.

TL;DR: In this article, a response surface methodology was used to optimize the mercury removal using copper oxide nanoparticles in an aqueous matrice, which was performed by TEM, SEM, XRD and BET.

TL;DR: In this paper, the authors developed hybrid artificial neural network-genetic algorithm models (MLPANN-GA and RBFANNGA) to accurately predict sludge volume index (SVI) for a wastewater treatment plant.

TL;DR: In this paper, the effect of various solvents (H2O, CH3OH and C2H5OH) on product distribution and nature of products of hydrothermal liquefaction of macro algae Ulva fasciata (MAUF).

TL;DR: In this paper, an attempt has been made for the synthesis of cupric oxide nanoparticles (CuONPs) through a green route by utilizing lemon juice extract as a bioreductant.

TL;DR: In this article, the physical and chemical characterizations of fabricated activated carbon derived from renewable sources such as food waste were highlighted to shed a brighter understanding on their performance in removing pollutants from landfill leachate.

TL;DR: In this paper, the adsorption of Congo red (CR), an anionic dye, from aqueous solution by a cationic surfactant-modified tea waste (TW) was studied in batch experiments.

TL;DR: In this paper, the potential to remove Pb(II) ion from wastewater treatment systems using raw and treated maize stover through adsorption was investigated in batch experiments and the results showed that the adsorization process followed a pseudo-second-order model and was spontaneous and exothermic in nature.

TL;DR: In this paper, the authors evaluated the efficiency of the alumina-coated multi-walled carbon nanotubes in removing the Reactive Red 198 (RR 198) and Blue 19 (RB 19) dyes.

TL;DR: In this paper, a study of runaway incidents involving thermal chemical reactions in the UK over the past 25 years (1988-2013) has been carried out to determine possible causes of thermal runaway incidents.

TL;DR: In this paper, a novel biosurfactant was produced by strain CN5, identified as Paenibacillus dendritiformis isolated from creosote contaminated wood treatment plant soil.

TL;DR: In this article, a novel PVP/CeO2/TMPTMS nanofiber adsorbent was prepared by the electrospinning method and the results showed that surface area of PVP was almost five times greater than that of the conventional PVP.

TL;DR: In this article, the authors studied the removal of the chromium (Cr) from the tanning wastewater through chemical precipitation (CP) and electrocoagulation (EC) techniques and its reuse in tanning process.

TL;DR: In this paper, the adsorption of Pb(II) ions onto a biopolymer based composite, chitosan blended polyacrylonitrile (chitosans/PAN), has been studied in a batch mode operation.

TL;DR: In this paper, the authors investigated the possible use of fruit juice residue and rice husk as adsorbents for phosphate removal from aqueous solutions, and achieved maximal phosphate removal by varying process parameters, like pH, contact time, temperature, adsorbent dose and initial solute concentration.

TL;DR: In this article, synthesized hydroxapatite/clay composites were used for tetracycline (TC) uptake studies from aqueous solution and their uptake capacities were compared.

TL;DR: In this article, the adsorption measure of linezolid antibiotic onto MgO nanoparticles and ZnO-MgO nanocomposites were performed and the experimental equilibrium data fitting to Langmuir, Freundlich, Tempkin and Dubinin-Radushkevich models indicate that the Langmuirus model is a best model for evaluation of adsorptive behavior.

TL;DR: A novel approach for Human Error Probability (HEP) assessment is presented by integrating the Success Likelihood Index Method (SLIM) with the Technique of Human Error Rate Prediction (THERP) to generate the nominal HEP data when it is unavailable.

TL;DR: In this paper, a sequencing batch reactor was modeled using multi-layer perceptron and radial basis function artificial neural networks (MLPANN and RBFANN) and the effects of influent concentration (IC), filling time (FT), reaction time (RT), aeration intensity (AI), SRT and MLVSS concentration were examined on the effluent concentrations of TSS, TP, COD and NH4+-N.

TL;DR: In this paper, the potential of rapeseed waste from biodiesel production as a biosorbent for Zn(II) ions was evaluated, and it was found that the zinc loaded rapeseed exhibits a better initial thermal stability than the original rapeseed, presumably due to the cross linking generated by the intermolecular complexation of ZnII ions.

TL;DR: In this paper, a performance survey on the urban wastewater treatment plant (UWWTP) of the city of Boumerdes has been conducted in order to assess the potential of reuse of its treated waters.