Showing papers in "Sustainable Environment Research in 2017"

TL;DR: An eco-friendly and facile method for biogenic synthesis of silver nanoparticles (AgNPs) has been developed using fruit extract of Gmelina arborea, an abundantly available medicinal plant in North Eastern region of India.

TL;DR: In this paper, the authors investigated the biosorption mechanism of the cationic dye Methylene Blue (MB) on natural White Pine sawdust (NS) ( Pinus durangensis ) was investigated.

TL;DR: Based on the past national data in the period 1990-2014 in Taiwan, an analytic tool of Stochastic Impacts by Regression on Population, Affluence and Technology (STIRPAT) was employed to see how well those aforementioned factors can describe their individual potential impact on global warming, which is measured by the total amount of carbon emission into the atmosphere.

TL;DR: In this article, the authors discuss the rationale behind EcoSan and provide a state-of-the-art review on the subject, focusing on urine diversion to demonstrate its potential to elegantly separate, collect and concentrate products that we require (nutrients) and those that we wish to regulate (pathogens and micropollutants).

TL;DR: In this paper, the optimization of bio-oil produced from sewage sludge using fast pyrolysis in a fluidized bed reactor was investigated through experimental and statistical analyses, and the results demonstrate that fast pyroplysis of sewage slud from domestic wastewater treatment plant is a favorable technology to produce bio-fuels for various applications.

TL;DR: In this paper, the efficiency of ultrasonic pre-treatment in enhancement of biogas production from fruits and vegetable wholesale market waste was studied, and the highest methane yield was obtained at 18min sonication (2380kJ kg−1 total solids) while longer exposure to sonication led to lower methane yield.

TL;DR: In this article, the results of using blends of biodiesel obtained from jatropha seeds, fish wastes and diesel in constant speed diesel engines are presented, and the experimental results show that both the blends can be used as fuels for diesel engine without any major modification in the engines.

TL;DR: In this article, a study was made to determine the strength characteristics of glass fibre-reinforced fly ash-based geopolymer concrete, which achieved a maximum compressive strength of 24.8MPa after 28-d.

TL;DR: In this paper, the effects of initial Cr(VI) concentration, solution pH, adsorbent dosage, solution temperature, contact time, as well as ionic strength on the removal of hexavalent chromium from synthetic wastewater were evaluated.

TL;DR: In this paper, the authors used methanol as a reactant for esterification and transesterification of palm oil sludge and found that the optimum molar ratio of methanoline to sludge was 20:1 (6% alum catalyst), while the optimum concentration of transesterion was 1.5% of KOH.

TL;DR: In this paper, the single and binary adsorption of Cd(II)-Pb(II) onto industrial chili seeds (CS) ( Capsicum annuum ) from aqueous solutions was investigated as a possible low-cost biosorbent for the removal of toxic heavy metals.

TL;DR: In this article, the integration of coagulation process and electro-activated peroxymonosulfate (PMS) were tested to treat pulp and paper wastewater (PPW) for chemical oxygen demand (COD) removal from PPW.

TL;DR: In this paper, the performance of a three-compartment electrodialysis reactor to remove fluoride and calcium ions, and recover phosphate present in the wastewater, for possible further use in the fertilizer industry was evaluated.

TL;DR: In this paper, the performance of a single cylinder four stroke engine with 15% diethyl ether (DEE) as an additive to diesel was evaluated in terms of brake thermal efficiency and brake specific fuel consumption.

TL;DR: In this paper, the authors showed that the calcium oxide impregnated Na-ZSM-5 can be used as a potential catalyst for biodiesel production and achieved 95% yield as 95% has been achieved with 15% of the CaO impregnant on Na-Sm-5 at 75°C, and the optimum transesterification reaction conditions were identified as follows: reaction temperature, 75 °C; reaction time, 6h; methanol-to-neem oil molar ratio, 12:1; catalyst dosage, 0.2

TL;DR: In this article, the microbial population involved in lignocellulose degradation during drum composting of mixed organic waste was characterized by comparing results from four trials, i.e., Trial 1 (5:4), Trial 2 (6:3), Trial 3 (7:2), Trial 4 (8:1) of varying waste combinations during 20 days of composting period.

TL;DR: In this paper, a study was carried out to isolate bacteria for bioremediation of petroleum polluted soils and selected isolates were cultured in standard succinate medium (SSM) minimal medium in which 2.5% v/v kerosene was used as carbon source.

TL;DR: In this article, the concurrent effects of up-flow velocity (Vup) and feed flow rate (QF) as independent operating variables on biological hydrogen production were investigated, and a broad range of organic loading rate between 10 and 60 g COD L−1 d−1 was used as the operating variables.

TL;DR: In this paper, the effect of main operating parameters on oxidation of 2,4,5-T and mineralization of its aqueous solution were investigated by electrochemical advanced oxidation processes anodic oxidation and electro-Fenton (EF) using Pt/carbon felt and BDD/ carbon felt cells.

TL;DR: In this article, a flat-panel (FP) photoreactor was designed for wastewater treatment via solar illumination using TiO2 nano-photocatalysts, where the nanoparticles were initially coated on transparent plastic granules to avoid the difficulties associated with the recovery of nanoparticles after completing the treatment process.

TL;DR: In this article, the adsorptive removal of Methylene blue by a novel bio char namely Cassava Rind Carbon was studied in a batch system and several experiments were performed to optimize operating conditions of the adaption process.

TL;DR: In this paper, in-vehicle PM was measured using GRIMM aerosol spectrometer and categorised in three classes (PM 1, PM 2.5 and PM 10 ).

TL;DR: In this article, a spatial plan for coal mined land in order for it to become an integrated and multifunctional landscape by integrating protected areas, conservation areas and cultivated areas that contains a variety of land uses to support sustainable development of the coal mine of PT Bukit Asam, Tanjung Enim, South Sumatera province, and calculate the economic potential.

TL;DR: In this paper, the feasibility of using waste limestone sludge, waste stone sludge and spent catalyst as raw materials in the production of eco-cement was investigated, and the compressive strength development of the Eco Cement-A (ECO-A) paste was similar to that of ordinary Portland cement (OPC) pastes.

TL;DR: In this article, a green waste management technology was proposed, transforming Singapore incineration bottom ash (IBA) and marine clay (MC) into engineering applicable filling material for land reclamation, named as MC-IBA matrix.

TL;DR: In this article, the authors study the distribution of PM10 concentration over Ho Chi Minh city (HCMC) and relationship to public health and propose solutions of disease s prevention in HCM, Vietnam.

TL;DR: In this article, the authors presented the results of the studies conducted in plastic product manufacturing industry in Turkey and the waste lists determined along with the hazardous waste generation factors, HWGF ranges are presented.

TL;DR: In this paper, a web-based information system was developed to analyze the issues of resource consumption and waste generation, enabling countries to manage resources and wastes from a life cycle perspective.

TL;DR: In this paper, four commercial tubular membranes (AFC80, AFC30, PU608, and ES404) have been investigated for their performance of binary metal ions rejection under different feed conditions.

TL;DR: A carbon-containing titanium dioxide (C-TiO 2 ) photocatalyst was prepared via ethanol impregnation using commercial Ishihara ST-01 TiO 2 powder as the precursor as discussed by the authors.