Showing papers in "Water Science and Technology in 2021"

TL;DR: This study employs industrial by-products (bottom ash (BA), as a cost-effective and eco-friendly alternative, to remediate water from phosphate in the presence of competitor ions (humic acid).

TL;DR: The application of DNA aptamers in the detection of Cryptosporidium spp.

TL;DR: Wang et al. as discussed by the authors combined environmental science, inorganic chemistry, water quality monitoring and other disciplines to analyze and assess the heavy metals in the water bodies and sediments of the Fenghe River Basin (FRB) in Shaanxi Province, and reveal their sources.

TL;DR: In this paper, sugarcane bagasse waste (SBW) was used as a lignocellulosic precursor to develop a high-surface-area activated carbon (AC) by thermal treatment of the SBW impregnated with KOH.

TL;DR: The dataset generated by the two inter-laboratory studies were used to refine the validation criteria for BMP tests, and an update to the original guidelines is proposed here.

TL;DR: In this paper, a modified Zeolite A (MZA) was characterized by XRD, SEM, and FTIR, and a maximum of 99.24% dye removal and adsorbent capacity of 21.11 mg/g was achieved under the following conditions: pH = 7, initial CR concentration = 60 mg/L, temperature = 24-36 °C, ionic strength = 0.1 M, and 90 min contact time.

TL;DR: KNHA adsorbent prepared from kola nut husk waste has proved to be effective for the adsorptive uptake of Ibuprofen from aqueous media and best fit the pseudo-second-order kinetic model.

TL;DR: In this work, the synthesis of pure and (Ce, Ag) co-doped ZnO was successfully accomplished using a solvothermal process and its photocatalytic efficiency was found to be unchanged, even after six cycles of use.

TL;DR: The optimal conditions for cultivating Chlorella vulgaris from wastewater treatment effluent from tilapia culture pond were investigated in this paper, where the appropriate conditions were found to be 10% initial stock suspension, 20 cm depth, and 12 days of culture conditions.

TL;DR: In this paper, the thermodynamic analysis of a single slope solar still using graphite plates and block magnets was investigated during summer and winter climatic conditions of Coimbatore city (latitude: 11°01'68''N and longitude: 76°95'58''E).

TL;DR: The quantitative and qualitative characteristics indicated that GW and BW had the potential of being reused in relation to water and nutrients, respectively.

TL;DR: In this article, the electrocoagulation-electroflotation (EC/EF) and membrane filtration processes were investigated in removing microplastics from wastewaters.

TL;DR: The membrane biofilm reactor (MBfR) is a novel technology for wastewater treatment as mentioned in this paper, which is based on the counter diffusion of the electron donors and acceptors into the biofilm.

TL;DR: Information is given on the current management of textile wastewater in Tanzania to identify the main types of chemicals used in wet processing units, wastewater characteristics and existing wastewater treatment methods in the textile industry.

TL;DR: In this paper, the zinc chloride activation of adsorbent carbon and the utilization as an adaption for the removal of malachite green dye from aqueous solution was presented.

TL;DR: In this paper, the graphite electrodes can be successfully utilized for treatment of combed fabric dyeing wastewater with reasonable cost, and the experimental results were used to develop optimization models using RSM and the artificial neural network (ANN).

TL;DR: It was observed that the contact angle, mechanical strength and surface roughness values of the membrane significantly affected the membrane performance and it was concluded that the most important parameter in dye removal was the zeta potential.

TL;DR: In this paper, the authors investigated 13 smoothing algorithms applied to the virus signals monitored in four wastewater treatment plants in Austria, and the results were further investigated by means of a cluster analysis.

TL;DR: In this article, a response surface methodology (RSM) approach using central composite design (CCD) was investigated to develop a mathematical model and to optimize the effects of pH, adsorbent amount and temperature related to the hexavalent chromium removal by biosorption on peanut shells (PSh).

TL;DR: The use of eco-friendly bio-flocculculants in wastewater treatment has become essential due to the health implications of chemical flocculants as discussed by the authors, however, because of their low performance, non-biodegradability and associated health risks, their use has been limited.

TL;DR: In this article, the authors investigated the production conditions of Quercus coccifera hydrochar, which is an inexpensive and easy available adsorbent, for the adsorption of Basic Red 18 (BR18) azo dye.

TL;DR: In this article, the adsorption studies of potentially toxic metal ions (Cu2+, Co2+ and Cd2+) using the composite of Fe3O4 and zeolitic imidazole framework-8 were conducted.

TL;DR: Low Rint (67 Ω) MDC was used to select the optimum Rext when the optimal range was found to be Rext ≪ Rint, Rext < Rint; to achieve the highest desalination rates.

TL;DR: In this article, the authors used synthesized copper oxide nanoparticles (CuONPs) coupled with Sophora Japonica fruit, for the first time, to treat the effluent of dairy plants in a batch adsorption process.

TL;DR: In this article, the effect of the number of Luffa acutangula fibres in the absorber basin of a solar still was investigated and the results revealed that the increase in the average thermal efficiency of the SSLAF with 15 LAF was 28.35% whereas, for 10,13,14,16,20 and 25 LAF, the average Thermal efficiency was increased by 11.53%, 19.93%, 11.29% and 3.9% respectively.

TL;DR: The paper describes the development from secondary clarifiers to membrane separation and the shift from BOD removal only to combined removal of organic pollution, nitrogen and phosphorus required a chemical engineering approach with outputs of activated sludge microbiology and microbial ecology.

TL;DR: In this paper, a low-cost MFC employing a clayware ceramic separator modified with silica was developed, and the properties of separators with varying silica content (10%-40% w/w) were evaluated in terms of oxygen and proton diffusion.

TL;DR: It is stated that the as-developed NaOH-AS material has a potential application prospect as an efficient adsorbent for CV dye from wastewaters and is best fitted with the Freundlich model.

TL;DR: In this paper, a novel TiO2 nanoparticle was prepared through green synthesis using Calotropis gigantea (CG) leaf extract Morphological analysis showed dispersed spherical spherical CG-TiO 2 nanoparticles with an average size of 42 nm The prepared catalyst was used for the degradation of metformin by solar photocatalysis.