Frontiers of Environmental Science & Engineering
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Sorption of phenanthrene to biochar modified by base
Frontiers of Environmental Science & Engineering - Tập 12 Số 2 - 2018
Adsorption of sulfonamides on lake sediments
Frontiers of Environmental Science & Engineering - Tập 7 - Trang 518-525 - 2013
Sulfonamides (SAs) are one class of the most widely used antibiotics around the world. Their fate and transport in the aquatic environment is of great concern. In this study, adsorption of four SAs—sulfadiazine (SD), sulfamethoxazole (SMZ), sulfadimethoxine (SDM) and sulfamethazine (SM2)—in single-solute and multi-solute systems on sediments of Dianchi (DC) Lake and Taihu (TH) Lake, China was inve...... hiện toàn bộ
Surface modification of mesoporous silica nanoparticle with 4-triethoxysilylaniline to enhance seawater desalination properties of thin-film nanocomposite reverse osmosis membranes
Frontiers of Environmental Science & Engineering - Tập 14 - Trang 1-10 - 2019
Mesoporous silica nanoparticles (MSN), with higher water permeability than NaA zeolite, were used to fabricate thin-film nanocomposite (TFN) reverse osmosis (RO) membranes. However, only aminoalkyl-modified MSN and low-pressure (less than 2.1 MPa) RO membrane were investigated. In this study, aminophenyl-modified MSN (AMSN) were synthesized and used to fabricate high-pressure (5.52 MPa) RO membran...... hiện toàn bộ
Ecotoxicological effect of zinc oxide nanoparticles on soil microorganisms
Frontiers of Environmental Science & Engineering - Tập 9 - Trang 912-918 - 2015
The widespread production and use of zinc oxide nanoparticles (ZnO-NPs) in recent years have posed potential threat to the ecosystem. This study aimed to investigate the ecotoxicological effect of ZnO-NPs on soil microorganisms using laboratory microcosm test. Respiration, ammonification, dehydrogenase (DH) activity, and fluorescent diacetate hydrolase (FDAH) activity were used as ecotoxicological...... hiện toàn bộ
Recycling polymeric waste from electronic and automotive sectors into value added products
Frontiers of Environmental Science & Engineering - Tập 11 - Trang 1-10 - 2017
The environmentally sustainable disposal and recycling of ever increasing volumes of electronic waste has become a global waste management issue. The addition of up to 25% polymeric waste PCBs (printed circuit boards) as fillers in polypropylene (PP) composites was partially successful: while the tensile modulus, flexural strength and flexural modulus of composites were enhanced, the tensile and i...... hiện toàn bộ
Effects of molecular weight and concentration of carboxymethyl cellulose on morphology of hydroxyapatite nanoparticles as prepared with one-step wet chemical method
Frontiers of Environmental Science & Engineering - - 2015
Characteristic and correlation analysis of influent and energy consumption of wastewater treatment plants in Taihu Basin
Frontiers of Environmental Science & Engineering - - 2019
The water quality and energy consumption of wastewater treatment plants (WWTPs) in Taihu Basin were evaluated on the basis of the operation data from 204 municipal WWTPs in the basin by using various statistical methods. The influent ammonia nitrogen (NH3-N) and total nitrogen (TN) of WWTPs in Taihu Basin showed normal distribution, whereas chemical oxygen demand (COD), biochemical oxygen demand (...... hiện toàn bộ
Application of ultra-sonication, acid precipitation and membrane filtration for co-recovery of protein and humic acid from sewage sludge
Frontiers of Environmental Science & Engineering - Tập 10 - Trang 327-335 - 2014
A novel method was applied to co-recover proteins and humic acid from the dewatered sewage sludge for liquid fertilizer and animal feed. The proteins in sewage sludge were first extracted using the processes of ultrasonication and acid precipitation, and then the humic acid was recovered via membrane filtration. The extraction efficiency was 125.9 mg humic acid·g−1VSS volatile suspended solids (VS...... hiện toàn bộ
Sonication and grinding pre-treatments on Gelidium amansii seaweed for the extraction and characterization of Agarose
Frontiers of Environmental Science & Engineering - Tập 12 - Trang 1-7 - 2018
Various pretreatments methods including sonication and grinding were performed on red seaweed Gelidium amansii for the subsequent extraction of agarose. The agarose products are usually extracted from agar powder products from seaweeds. In this study, the agarose was extracted using a direct polyethylene glycol (PEG) method without the need to first process the agar from seaweed. The agar extract ...... hiện toàn bộ
Exploring price effects on the residential water conservation technology diffusion process: a case study of Tianjin city
Frontiers of Environmental Science & Engineering - Tập 7 Số 5 - Trang 688-698 - 2013
Tổng số: 990
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