Showing papers in "Process Safety and Environmental Protection in 2019"

TL;DR: In this article, the main sources of nanoparticles in the aquatic environment, their interactions and transformation processes are reviewed and a review of possible toxicity forms and the factors affecting nanoparticles toxicity in aquatic environment is presented.

TL;DR: In this paper, the authors discuss the shortcomings associated with the traditional methods, advantages with adsorption process and the new approaches towards the advance and effective techniques for the efficient removal of arsenic from aqueous medium.

TL;DR: In this article, the authors presented a mini-review of a new type of solar still named tubular solar still (TSS), its working method, thermal analysis, performance and method of enhancement.

TL;DR: In this paper, the effect of several parameters such as electrode type (Al and Fe), current density (12.5-100 µm/cm2), initial pH (5-10), and electrocoagulation time (0-120 min) were investigated to determine the optimum condition for textile wastewater for reuse in agricultural irrigation.

TL;DR: In this paper, a broad review on coalbed methane emissions and drainage methods is conducted, including methane generation, storage and migration characteristics, emission sources, emission estimation, and the factors influencing emissions such as coal properties, geological conditions and mining-process parameters.

TL;DR: In this article, the effects of important parameters, such as, dust particle size, dust concentration and dust-dispersion-air pressure on rock dust inertant requirement for suppressing coal dust explosion using a Godbert-Greenwald (GG) furnace were examined.

TL;DR: The results show that well-known ANNs such as multilayer perceptron and radial basis function can predict membrane fouling with an R2 equal to 0.99 and an error approaching zero, demonstrating that hybrid intelligent models utilizing intelligent optimization methods such as GA and PSO for adjusting their weights and functions perform better than single models.

TL;DR: In this article, a bibliometric analysis-based review is presented to investigate the evolution of process safety and risk research, and the evolution and popularity of major tools used in this field are also analyzed.

TL;DR: In this paper, highly effective adsorbent (PPhA) was designed using acid catalyst functionalisation and tested for six emerging PhCs (sulfamethoxazole (SMX), carbamazepine (CBZ), ketoprofen (KP), naproxen (NPX), diclofenac (DCF) and ibuprofen(IBF)) in a batch study.

TL;DR: A review of the state of the art in this field, focusing on uncertainty handling in fault tree analysis (FTA) based risk assessment, is presented, highlighting how assessors can handle uncertainty based on the available evidence as an input to FTA.

TL;DR: In this article, a fire-extinguishing gel with high water absorption and high resistance has been prepared using graft copolymerization of acrylic acid and 2-acrylamide-2-methylpropanesulfonic acid.

TL;DR: In this article, a series of experiments were designed and performed to evaluate the micro-properties, the wettability, and the dust suppression performance via spraying of coal dust in coal mines.

TL;DR: In this paper, a four-factor central composite design (CCD) together with response surface methodology (RSM) was used for investigating the effects of the process parameters on response variables: hexavalent chromium removal efficiency and energy consumed per gram removal of chromium.

TL;DR: In this paper, the authors assessed the qualitative and quantitative analysis of the CO and C2H4 formation rates, as well as various gas ratios such as the CO/CO2 ratio and fire coefficient R2 (R2) to predict spontaneous combustion.

TL;DR: In this paper, a multi-physics coupling mechanism of damage in the gas-bearing coal-rock body and occurrence conditions of outburst-rockburst coupling dynamic disasters were comprehensively analyzed.

TL;DR: In this article, the coal dust wetting ability of anionic surfactants with different structures, such as SDS, SDDS, and SDBS, was analyzed and the hydrophilic-lipophilic balance (HLB) was calculated.

TL;DR: In this paper, a database involving 782 Chinese coalmine accidents from 1950 to 2016 was built and analyzed. And some useful features were derived from the database, such as interchangeability of fires and explosions led to 79% of the large-scale coalmine fire and explosion in recent years.

TL;DR: A fundamental systems thinking approach is applied to the implementation of the digital twin within the process industries and a summary of process safety related opportunities and threats associated with the application of digitalized dynamic models in industry is concluded.

TL;DR: In this article, the characteristics of secondary oxidation of two lignites types were investigated, and the results showed that the spontaneous combustion tendency of the preoxidized lignite is higher than that of the raw coal, especially in the early stages of low-temperature oxidation.

TL;DR: In this paper, a mathematical model for predicting the Sauter mean diameter (hereinafter referred to as SMD) of X-type swirl pressure nozzles is built using the multivariate nonlinear regression method.

TL;DR: In this paper, two methods of pressure swing distillation and heterogeneous azeotropic distillation were investigated to recover benzene and isopropanol from wastewater, and the proposed configurations were rigorously simulated and optimized based on the minimum total annual cost (TAC) via the sequential iterative procedure.

TL;DR: In this article, thermal pyrolysis of high density polyethylene (HDPE) with the aim of producing gasoline range hydrocarbon oils, has been carried out in a novel fixed bed (batch) reactor.

TL;DR: In this paper, a customized experimental spraying platform for dust control was used to study the atomization characteristics and dust reduction performance of the internal-mixing air-assisted atomizer nozzle under different structural parameters.

TL;DR: Microwave co-torrefaction was performed on empty fruit bunch (the most abundant waste from oil palm industry) mixed with waste oil (used engine oil, used cooking oil) to simultaneously utilize these waste materials to produce better quality solid fuel product as discussed by the authors.

TL;DR: In this article, the authors identified various approaches used in monitoring, measurement, and control of ambient acidic gases, particulate matters (PMs) and trace metals from oil industries.

TL;DR: In this article, a new magnetic ZnFe2O4@CMC nanobiocomposite was introduced for the removal of antibiotics from aqueous media and the removal efficiency of TOC by the photocatalytic process was reported 75% in the optimal condition.

TL;DR: In this paper, high performance capacitive deionization (CDI) electrodes were developed from DSAC-1:1.5 sample for desalting NaCl from saline solution.

TL;DR: In this paper, high molecular weight polyethersulfone (PES) nanoporous membranes modified with different loading of calcium chloride (0.5, 1, 2 and 3 w.%) were prepared by dry-wet phase inversion method.

TL;DR: In this article, a methodology is proposed to model an evolving accident scenario during an incidental release of LNG in a complex processing facility, and the results confirmed that in a large and complex facility, an LNG fire can transit to a vapor cloud explosion if the necessary conditions are met, i.e. the flammable range, ignition source with enough energy and congestion/confinement level.

TL;DR: In this article, the influence of banana peels waste and its biochar on greenhouse gas emissions, soil enzyme activities and chemical properties of soil at 90 days incubation period was compared.