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排序方式: 共有199条查询结果,搜索用时 312 毫秒
81.
Ziyad Tariq Abdullah 《环境质量管理》2023,32(4):223-235
Construction is a major contributor to the solid waste stream globally and various recycling strategies are being evaluated to recover valuable resources. As a novel strategy, remanufacturing waste reinforcing steel bar (rebar) pieces from concrete waste to produce nails was applied on an industrial scale to prove the technical feasibility, where a group of alternatives were developed based on commercially available industrial machinery. The calculated economic and environmental feasibility values are sufficiently high for industrial application, and the most appropriate remanufacturing technological alternative was identified. The sustainability equation was solved to find the social feasibility and overall remanufacturing sustainability index. Rebar waste remanufacturing has a high triple-bottom-line sustainability index of 0.885. Based on the proposed process, small remanufacturing companies can be developed, thereby aiding employment and human development by earning profit of 1904–8880 USD/day. The findings of this study are beneficial to decision makers in government and industry and are globally relevant because concrete waste is ubiquitous worldwide. 相似文献
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83.
Hassimi Abu Hasan Siti Rozaimah Sheikh Abdullah Siti Kartom Kamarudin Noorhisham Tan Kofli 《Process Safety and Environmental Protection》2013,91(5):415-422
The biological aerated filter (BAF) system, a new alternative in drinking water treatment, was designed to remove NH4+–N and Mn2+ simultaneously. This study aimed to control the aeration time in the BAF system for simultaneous NH4+–N and Mn2+ removal to achieve the Malaysian effluent quality regulation for drinking water. The experiment was conducted under four strategies of S1, S2, S3 and S4. The results demonstrated that acceptable levels of NH4+–N and Mn2+ were achieved over a 6 h aeration period (S1), producing effluent concentrations of 0.7 mg/L (93.2% removal) and 0.08 mg/L (79.6% removal), respectively. At the initial treatment of S1 and S2, the dissolved oxygen (DO) level rapidly increased until it reached a saturated concentration (6.8 mg/L DO) after 2 h period. Automatic on–off aeration time to maintain 3 mg/L DO set point (S4) resulted with a good effluent quality of NH4+–N and Mn2+ compared with the 2 mg/L DO set point (S3) which did not meet the regulated standard limits. Through the automatic on–off aeration time, the saturated and excessive DO levels in the BAF system can be avoided consequently reduce the wastage of energy and electrical consumption for simultaneous NH4+–N and Mn2+ removal from drinking water treatment. 相似文献
84.
Kelleci Orhan Aydemir Deniz Altuntas Ertuğrul Kurt Rıfat Oztel Ahmet Yorur Hüseyin Istek Abdullah 《Journal of Polymers and the Environment》2022,30(7):3091-3106
Journal of Polymers and the Environment - The aim of this study was to investigate the physical, mechanical, morphological, structural, and thermal properties of polylactic acid (PLA) and... 相似文献
85.
Nasser Ibrahim Mohammed Ibrahim Mohd Haziman Wan Zuki Sharifah Salwa Mohd Algaifi Hassan Amer Alshalif Abdullah Faisal 《Environmental science and pollution research international》2022,29(11):15318-15336
Environmental Science and Pollution Research - Exposing concrete to high temperatures leads to harmful effects in its mechanical and microstructural properties, and ultimately to total failure. In... 相似文献
86.
Rauf Abdur Shariati Mohammad Ali Imran Muhammad Bashir Kashif Khan Shahid Ali Mitra Saikat Emran Talha Bin Badalova Kamala Uddin Md. Sahab Mubarak Mohammad S. Aljohani Abdullah S. M. Alhumaydhi Fahad A. Derkho Marina Korpayev Serdar Zengin Gokhan 《Environmental science and pollution research international》2022,29(21):31025-31041
Environmental Science and Pollution Research - Though the incidence of several cancers in Western societies is regulated wisely, some cancers such as breast, lung, and colorectal cancer are... 相似文献
87.
Urban stormwater runoff pollutant loadings: GIS land use classification vs. sample-based predictions
Al Masum Abdullah Bettman Nathan Read Scott Hecker Markus Brinkmann Markus McPhedran Kerry 《Environmental science and pollution research international》2022,29(30):45349-45363
Environmental Science and Pollution Research - Cities are growing worldwide with an increase in stormwater quantity and decrease in quality, negatively impacting receiving water bodies. The... 相似文献
88.
Abdo AL-Barakani Li Bin Qahtan Anwar Saeed Ahmed Abdulsalam Alnoah Aloqab Abdullah Obadi Waleed 《Environmental science and pollution research international》2022,29(36):54571-54595
Environmental Science and Pollution Research - Indeed, the Belt and Road Initiative (BRI) plays an increasingly important role in global economic and climate change mitigation. However, scientists... 相似文献
89.
Abbas Yasir Abdullah Mehmood Waqas Manhal Aliessa Mohammed H. Aman-Ullah Attia 《Environmental science and pollution research international》2022,29(46):69527-69539
Environmental Science and Pollution Research - This paper aims to determine the level of sustainability reporting (SR) among Malaysian initial public offering (IPO) companies. Due to a lack of... 相似文献
90.