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71.
72.
Isolation and identification of potential fungal species for spent engine lubrication oil remediation in Peninsular Malaysia 下载免费PDF全文
Ong Ghim Hock Ho Cheng Cheng Vivian Lim Bi Fang Wong Yieng Yong Wong Ling Shing 《补救:环境净化治理成本、技术与工艺杂志》2018,28(3):91-95
Improper disposal and spills of spent engine oil into the environment can result in contamination, which eventually affects humans through the food chain. Mycoremediation is an effective and inexpensive alternative to clean up spent engine oil contamination. In recent work, the potential effectiveness of fungi for degrading spent engine oil was confirmed, with the species identified through molecular identification. Fungi that were able to grow in Bushnell Haas Broth supplied with spent engine oil were identified with the potential to utilize spent engine oil as a carbon source. Six species of fungi namely Penicillium simplicissimum, Aspergillus nidulans, Aspergillus niger, Trichoderma longibrachiatum, Aspergillus ustus, and Aspergillus flavus were successfully identified in this study. Over a course of seven days, P. simplicissimum (21.11 percent) was identified as the most effective fungi in degrading spent engine oil, followed by A. nidulans (17.75 percent), A. niger (15.85 percent), T. longibrachiatum (15.12 percent), A. ustus (15.02 percent), and A. flavus (11.80 percent). As these species of fungi were isolated from the natural environment in Peninsular Malaysia, the potential of using these fungi as mycoremediation of spent engine oil was therefore confirmed. 相似文献
73.
Kim Kyeong Ho Bae Min A. Lee Man Sig Park Hung-Suck Baek Jae Ho 《Journal of Material Cycles and Waste Management》2021,23(1):121-129
Journal of Material Cycles and Waste Management - Organic binders that are used in sand casting emit high amounts of hazardous pollutants and volatile organic compounds during the casting process.... 相似文献
74.
Mehrkhah Roya Goharshadi Elaheh K. Lichtfouse Eric Ahn Ho Seon Wongwises Somchai Yu Wei Mahian Omid 《Environmental Chemistry Letters》2023,21(1):285-318
Environmental Chemistry Letters - Freshwater supply is declining in the context of climate change, pollution, and soil salinization, calling for sustainable methods to produce drinking water. For... 相似文献
75.
Xiangrong Wang Yi Yong Shixiong Wang Hao Zhang Hing Hon Ho Pingjian Wang Shoubing Wang Weizhen Chen 《Frontiers of Environmental Science & Engineering in China》2008,2(2):178-186
The background, concept, connotation, principles, and methods of eco-planning for an Eco-Demonstration Park (EDP) and sustainability
were examined based on a case study of the Luhua EDP in the Chongming Island of Shanghai, China, which is an important part
of Shanghai Eco-city planning and construction in the 21st century. By analyzing natural, social and economic conditions,
calculating population using the land capacity eco-model, eco-function zoning, and eco-construction, an innovative eco-industrial
structure and technical chain were formulated. A comprehensive eco-planning scheme for the EDP was proposed, including planning
and management strategies for subsystems of efficient industry, good quality human settlement, high standard eco-construction
and eco-tourism as well as effective environmental protection and attractive landscape. The EDP should be an area with coordinated
and sustainable economic, social and environmental subsystems. Eco-planning for the EDP should be a very important part of
eco-city planning and sustainability. The paper aims to set up a theoretical framework and practical basis for eco-planning
and promoting harmony between human and nature. 相似文献
76.
The photocatalytic disinfection of Escherichia coli K-12 is investigated by the natural sphalerite (NS) under different spectra, wavelengths and intensities of visible light (VL) emitted by light-emitting-diode lamp (LED). The spectrum effect of VL on disinfection efficiency is studied by using white LED, fluorescent tube (FT) and xenon lamp (XE), which indicates that the “discreted peak spectrum” of FT is more effective to inactivate bacteria than “continuous spectrum” of LED and XE. Besides, the photocatalytic disinfection of bacteria is compared under different single spectrum (blue, green, yellow and red color) LEDs. The results show that the most effective wavelength ranges of VL for photocatalytic disinfection with the NS are 440-490 and 570-620 nm. Furthermore, a positive relationship is obtained between the disinfection efficiency and the VL intensity. The experiment shows that NS can completely inactivate 107 cfu mL−1E. coli K-12 within 8 h irradiation by white LED with the intensity of 200 mW cm−2 at pH 8. Moreover, the destruction process of the cell wall and the cell membrane are directly observed by TEM. Finally, no bacterial colony can be detected within a 96 h regrowth test of inactivated bacteria, which reveals that the VL-photocatalytic disinfection leads to an irreversible damage to the bacterial cells. 相似文献
77.
Aqueous slurries of a test sediment spiked with dibenz[a,h]anthracene, 2,4,5,2',4',5'-hexachlorobiphenyl, p,p'-DDE, or phenanthrene were subjected to decontamination experimentation. The spiked sediments were agitated at elevated temperatures for at least 96 h in the presence of either of the two contaminant-absorbing media: clusters of polyethylene membrane or lipid-containing semipermeable membrane devices (SPMDs). The effects of treatment temperature and surface area of media on the removal of contaminants were explored. This work is part of a larger methodology for whole-sediment toxicity identification evaluation (TIE). A method is being sought that is capable of detoxifying sediments with respect to organic contaminants while leaving toxicity attributable to inorganic contaminants unaffected. 相似文献
78.
Matys Grygar Tomáš Faměra Martin Hošek Michal Elznicová Jitka Rohovec Jan Matoušková Šárka Navrátil Tomáš 《Environmental science and pollution research international》2021,28(37):51183-51198
Environmental Science and Pollution Research - Willows, woody plants of genus Salix common in floodplains of temperate regions, act as plant pumps and translocate the Cd and Zn in the soil profiles... 相似文献
79.
The implementation of the Comprehensive Test Ban Treaty is resulting in the construction of a world-wide system of 80 monitoring stations that will be able to detect air-borne radioactivity, not only from atomic bombs but also from other anthropogenic and natural sources. A prototype monitoring station has been operating since April 1996 in Vancouver, BC, Canada. This station provides daily reports of natural radioactivity, including 7Be and decay products of 220Rn (thoron). Data for 212Pb concentrations have been analyzed over a 6-month period. The concentration is reduced by rainfall, high wind velocity, and low temperatures and it also depends on the wind direction, but atmospheric inversions appeared to have little impact. We present a relatively simple model, which is easy to use and which offers predictive powers that can be applied to other similar environmental situations. 相似文献
80.
Ching-Hsien Ho Huu-Sheng Lur Ming-Hwi Yao Fang-Ching Liao Ying-Ting Lin Nobuyuki Yagi Hsueh-Jung Lu 《Mitigation and Adaptation Strategies for Global Change》2018,23(3):311-347
According to Food and Agriculture Organization and Intergovernmental Panel on Climate Change reports, climate change will lead to a severe food-supply problem. In the future, food production will continually decrease because of aggravated effects of climate change, causing food production to continually decrease. Food production will be unable to satisfy the demand of the global population, leading to a food-security crisis. As the world population continues to increase, the shortage of food will become increasingly severe, particularly for those located in “climate impact hotspots” of tropical, subtropical, small-island countries, and countries that are dependent on imports to meet domestic demand such as Taiwan. Numerous Taiwanese studies have suggested that agricultural and fishery productivity has declined because of climate variation, which may cause changes and instability in food quantity and quality, and increase deficiency and uncertainty in the food supply. Therefore, to discuss the risks posed by climate change to the stability of food supply and demand, this paper, taking Taiwan as a case, explored the impact of climate variation on food security and future adaptation strategies. TaiCCAT’s supportive system for decision-making (TSSDA) was adopted here to assess and analyze the current situations of agricultural and fisheries production and supply, as well as future food supply risks, in addition to evaluating the deficiencies in the existing climate adaptation strategies in order to plan and revise feasible future adaptation alternatives. Based on the rule of risk management, the adaptation strategies recommended in this study were differentiated into two categories: proactive adaptation and planned adaptation. Proactive adaptation is emphasized to counter the uncertainty of food production, which increases the difficulty of production and necessity to import food. Conversely, planned adaptation can be used to manage the uncertainty of food supply to implement adjustments in production and marketing, as well as to mitigate the impact of climate variation. 相似文献