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Arthur J. Gold, Kelly Addy, Alisa Morrison and Marissa Simpson
To advance the science of dam removal, analyses of functions and benefits need to be linked to individual dam attributes and effects on downstream receiving waters. We examined 7550 dams in the New England (USA) region for possible tradeoffs associated w...
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Arthur J. Gold, Kelly Addy, Alisa Morrison, Marissa Simpson
Pág. 1 - 16
To advance the science of dam removal, analyses of functions and benefits need to be linked to individual dam attributes and effects on downstream receiving waters. We examined 7550 dams in the New England (USA) region for possible tradeoffs associated w...
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Vera Iversen, Hasan Koseoglu, Nevzat O. Yigit, Anja Drews, Mehmet Kitis, Boris Lesjean, Matthias Kraume
Pág. 822 - 830
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Yuliya Koudryashova, Tatiana Chizhova, Mutsuo Inoue, Kazuichi Hayakawa, Seiya Nagao, Evgeniya Marina and Rodrigo Mundo
A vertical pattern of fractionated polycyclic aromatic hydrocarbons (PAH) was studied in the Japan Basin in the Sea of Japan. The highest PAH concentration was found in the mesopelagic realm, possibly resulting from deep convection and/or subduction of i...
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Shanshan Wang, Han Zhang, Ying Nie and Hongqiang Yang
Life cycle analysis on wood-based panels in terms of CO2 flux can be used to quantitatively assess the climate change contributions of these materials. In this study, the annual CO2 flux between 1990 and 2015 was calculated through gate-to-gate life cyc...
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Nita Aryanti, Tutuk Djoko Kusworo, Wiharyanto Oktiawan, Dyah Hesti Wardhani
Pág. 438 - 447
Oil exploration waste, also called produced water, contains hazardous pollutants, such as benzene; benzene, toluene, and xylene (BTX); naphthalene, phenanthrene, and dibenzothiophene (NDP); polyaromatic hydrocarbons (PAHs); and phenol. Produced water is ...
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Md Shafiquzzaman, Abdullah Al-Mahmud, Saleem S. AlSaleem and Husnain Haider
The aim of this study is to examine the application of a low cost ceramic filter for the treatment of sand filter backwash water (SFBW). The treatment process is comprised of pre-coagulation of SFBW with aluminum sulfate (Alum) followed by continuous fil...
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Md Shafiquzzaman, Abdullah Al-Mahmud, Saleem S. AlSaleem and Husnain Haider
The aim of this study is to examine the application of a low cost ceramic filter for the treatment of sand filter backwash water (SFBW). The treatment process is comprised of pre-coagulation of SFBW with aluminum sulfate (Alum) followed by continuous fil...
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Gong Cheng, Amarendra Dhar Dwivedi, Jie Fu
Pág. 18 - 26
A large amount of domestic wastewater is produced in our daily life. To sustainably use the urban domestic wastewater in the residential area and develop the equipment for distributed domestic wastewater treatment, the present work carried out a pilot st...
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Mark Larracas Sibag, Soo Mi Lee, Hee Jun Kim and Jinwoo Cho
In conventional activated sludge (CAS) involving aerobic biological processes, the retention of silica nanoparticles (SiO2 NPs) has no detrimental effect on chemical oxygen demand (COD) and ammonia nitrogen (NH3?N) removal. However, for the membrane bior...
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Mark Larracas Sibag, Soo Mi Lee, Hee Jun Kim, Jinwoo Cho
Pág. 1 - 14
In conventional activated sludge (CAS) involving aerobic biological processes, the retention of silica nanoparticles (SiO2 NPs) has no detrimental effect on chemical oxygen demand (COD) and ammonia nitrogen (NH3?N) removal. However, for the membrane bior...
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Tiago José Belli, Lucila Adriani Coral, Maria Angeles Lobo Recio, Carlos Magno de Sousa Vidal, Flávio Rubens Lapolli
Pág. 221 - 227
This study aimed to evaluate the performance of a sequencing batch membrane bioreactor (SBMBR) in wastewater treatment for total nitrogen removal. The reactor, which was built on a pilot scale with a volume of 30 L, was operated for 154 days and fed with...
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Sudesh Yadav, Ibrar Ibrar, Salam Bakly, Daoud Khanafer, Ali Altaee, V. C. Padmanaban, Akshaya Kumar Samal and Alaa H. Hawari
Organic fouling in the forward osmosis process is complex and influenced by different parameters in the forward osmosis such as type of feed and draw solution, operating conditions, and type of membrane. In this article, we reviewed organic fouling in th...
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Hai-Yan Fu, Zhi-Bin Zhang, Tian Chai, Guo-He Huang, Shu-Jie Yu, Zheng Liu, Pan-Feng Gao
Pág. 1 - 10
In this paper, the anionic surfactant sodium dodecyl sulfate (SDS) and the bio-surfactant rhamnolipid are mixed to achieve micellar-enhanced ultrafiltration, and the associated aniline removal efficiency is investigated. The impacts of five factors, incl...
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Benjamin T. Jones, Jennifer Muller, Sebastian O?Shea, Asan Bacak, Grant Allen, Martin Gallagher, Keith Bower, Michael Le Breton, Thomas J. Bannan, Stephane Bauguitte, John Pyle, Dave Lowry, Rebecca Fisher, James France, Euan Nisbet, Dudley Shallcross and Carl Percival
This study presents the first gaseous formic acid (HC(O)OH) concentration measurements collected over the Fenno-Scandinavian wetlands (67.9?68.0° N, 22.1?27.8° E) as part of the MAMM (Methane and other greenhouse gases in the Arctic-Measurements, process...
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Flávia Fernanda Mayumi Susuki, Rosângela Bergamasco, Célia Célia Regina Tavares, Thiago Baldasso
Pág. 421 - 425
Due to several factors caused by urban and industrial growth worldwide, water supply problems have become increasingly complex, with difficult and costly solutions. The use of membrane filters is one of the newest unit operation options being incorporate...
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Mudhar A. Al-Obaidi, Farhan Lafta Rashid, Arman Ameen, Mohammed Kadhom and Iqbal M. Mujtaba
Due to its high pollutant rejection and low energy usage, the spiral wound module of reverse osmosis (RO) process is the most commonly used technology utilised in wastewater treatment. For a spiral wound module, the presence of a feed spacer is important...
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Stan Wehbe, Feleke Zewge, Yoshihiko Inagaki, Wolfram Sievert, Tirumala Uday Kumar Nutakki and Akshay Deshpande
A mechanistic model was developed to simulate one-dimensional pesticide transport in two-stage vertical flow constructed wetland. The two pesticides taken under study were carbendazim and chlorothalonil. The water flow patterns within the constructed wet...
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Shanshan Guo, François Nkinahamira, Bob Adyari, Yiqing Zhang, Anyi Hu and Qian Sun
Rapid urbanization has caused an increase in the discharge of inorganic elements into the environment; however, the knowledge about the fate and annual variations of multiple elements in wastewater treatment plants (WWTPs) is limited. To understand the d...
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Tiffany A. Aldworth, Michele L. W. Toucher, Alistair D. Clulow and Anthony M. Swemmer
Over the past century, increases in indigenous woody plant species, also known as woody encroachment (WE), has occurred in grasslands and savannas across the globe. While the impact on grassland and savanna composition and productivity has been well stud...
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