Showing papers in "Fuel in 2018"

TL;DR: In this article, a large number of experiments on biochar production is presented to give a general overview of the properties that can be achieved by feedstock selection and process design, including torrefaction as well as slow pyrolysis at high temperatures.

TL;DR: In this paper, the effects of different rheological indices which present tighter and clearer correlation with asphalt mixture performance in evaluating asphalt binder aging behaviors, these indices including complex modulus (G∗) and phase angle (δ) master curves, rutting factor, zero shear viscosity (ZSV), non-recoverable compliance (Jnr), fatigue factor (G ∗·sinδ), and DSR function (DSRFn).

TL;DR: In this article, a review elucidates various aspects and the recent researches related to TiO2 nano photocatalysis for the effective solar hydrogen generation via photocatalytic water splitting technology.

TL;DR: In this paper, the core-shell structured Fe3O4@HKUST-1 composites with a magnetic core and a porous metal-organic framework shell were fabricated by using a versatile Layer-by-Layer assembly method, and then basic ionic liquids were encapsulated within the core−shell magnetically responsive material, resulting in a solid hybrid base catalyst.

TL;DR: In this article, the authors demonstrate the impact of processing conditions on the formation and composition of hydrochars and secondary char of municipal solid waste (OFMSW) and demonstrate that the secondary char is extractable with organic solvents and is comprised predominantly of organic acids, furfurals and phenols.

TL;DR: In this paper, the authors discuss the volatilisation, enrichment and speciation of heavy metals in the residues formed during thermal processing of sewage sludge (SS) (incineration, pyrolysis, gasification and hydrothermal treatment).

TL;DR: In this paper, the authors investigated the effect of the moisture content on the adsorption performance of CH 4, CO 2 and their mixtures in the presence of pre-adsorbed water and showed that H 2 O molecules are observed to migrate and aggregate into growing clusters at higher moisture contents.

TL;DR: In this paper, the influence of CNT and Ag nano-particles on combustion parameters of diesel engine was investigated and it was found that the heat release rate of the diffusion combustion phase is higher for biodiesel and biodiesel with nano additives when compared with that of neat diesel fuel due to the higher oxygen content of the blended fuels.

TL;DR: In this paper, the effects of biodiesel blends, fuel injection timing and split injection schemes on the engine performance, emissions and combustion characteristics of a medium-duty diesel engine are investigated, and it was found that with the use of B50, simultaneous NOx and smoke suppression from the levels of petroleum diesel fuel is attainable in parallel with the implementation of late SOI timing and triple injection scheme in a diesel engine.

TL;DR: In this article, the authors investigated the effect of reservoir depth, temperature, and sample heterogeneity during hydraulic fracturing and the influences of rock micro-structure on fracture propagation in deep geothermal reservoirs.

TL;DR: In this article, a series of experiments were performed for 10 coal samples collected from eastern Junggar Basin, to compare the material composition, pore structure and adsorption capacity of lignite and candle coal.

TL;DR: In this paper, the authors investigated the methane adsorption capacity and the characteristics of gas shales under high pressures, and they conducted total organic carbon (TOC), low-pressure nitrogen adaption (LPNA), and high-pressure methane adsoption experiments (up to 30.0 MPa) on eight Lower Silurian Longmaxi shale samples collected from northeastern Chongqing, China.

TL;DR: In this article, diesel fuel was mixed with biodiesel, and biodiesel-vegetable oil (VO)-alcohol blends using the higher alcohols of propanol (Pro) and pentanol (Pen).

TL;DR: In this paper, the influence of the various alcohol additions in diesel fuel on combustion, performance, and exhaust emission characteristics of a single-cylinder diesel engine was investigated at different loads.

TL;DR: Water-Alternating-Gas (WAG) injection is a relatively mature oil recovery technique in hydrocarbon reservoirs that has long attracted the interest of the oil and gas industry due to its successful performance as mentioned in this paper.

TL;DR: In this paper, the detailed catalytic mechanism of ion-exchanging AAEM species on biochar structure and its specific reactivity during CO2/H2O gasification was analyzed in a laboratory fixed-bed reactor at 800°C, with two kinds of AAEM-loading methods.

TL;DR: In this article, the performance of catalysts for the catalytic fast pyrolysis of lignite was tested in a drop tube reactor at 600 °C.

TL;DR: In this paper, the authors examined acid gas emissions of sulfur dioxide, nitrogen oxide, carbon dioxide, and hydrogen chloride from co-firing biomass (corn straw and rice husk) with either a high-sulfur bituminous coal or a low sulfur sub-bituminous coalition.

TL;DR: In this article, an experimental investigation was conducted to recommend the optimal concentration of alumina nanoparticles (Al2O3) into Jojoba biodiesel-diesel (JB20D) fuel blend at which the best diesel engine performance and exhaust emissions were attained.

TL;DR: In this paper, six different binary (D-nB and D-Pn) fuel mixtures were obtained by mixing the diesel fuel with n-butanol and 1-pentanol at low and high mixing ratios (5, 25% and 35% alcohol by volume).

TL;DR: In this paper, the anti-aging properties of asphalts containing 0, 2, 4, 6, 8% content of black thermochromic powders (named as blank sample or BTP binder for convenience).

TL;DR: In this paper, waste cooking oil biodiesel was mixed with titanium dioxide (TiO2), a metal-based nano particle, and n-butanol (C4H9OH) along with euro diesel to examine their effects on diesel engines.

TL;DR: In this paper, the authors considered pyrolysis of high-ash sewage sludge (HASS) as an effective method and a promising way for energy production from solid waste of wastewater treatment facilities.

TL;DR: In this paper, the results of air-blown combustion and oxy-combustion kinetic characterization were compared with two different isoconversional methods (Flynn-Wall-Ozawa and Kissinger-Akahira-Sunose) of different kinds of coal (from Italy, South Africa and Hungary) and biomass (pine and eucalyptus chips) by thermogravimetric analysis (TGA) and differential scanning calorimeter (DSC) together with assessment of different characteristic combustion parameters.

TL;DR: In this paper, the behavior of nonylphenol ethoxylate with 12 ethylene oxide groups (NPEO-12) on model surface of Hatcher subbituminous coal was investigated.

TL;DR: In this paper, the authors reviewed the CO 2 huff ‘n’ puff process in detail and analyzed the formation of foamy oil, viscosity reduction, and oil swelling.

TL;DR: In this article, the authors utilized an extensive data set from the half-century review of laboratory to field scales polymer flooding in heavy oil reservoirs provided by Saboorian-Jooybari et al.

TL;DR: In this paper, the effects of mustard oil biodiesel-diesel fuel blends on combustion, performance and emission characteristics in depth were highlighted. But no huge differences were seen on cylinder pressure between the mustard oil- biodiesel diesel fuel blends and diesel fuel.

TL;DR: In this paper, the authors investigated the effect of catalytic and non-catalytic pyrolysis of microalgae Chlorella vulgaris using Ni supported zeolite (Si/Al) prepared by two different methods, ion exchange (IE) and wet impregnation (WI), on the yield and quality of bio-oil.

TL;DR: In this paper, a novel method, spectrophotometry, was introduced to analyze the aging characteristics of asphalt binder and the correlation analysis was used to assess the feasibility of this method.