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Sureerat Suwanapong, Naulchan Khongsay, Lakkana Laopaiboon, Prasit Jaisil and Pattana Laopaiboon
Dried spent yeast (DSY) and its hydrolysate (DSYH) were used as low-cost nitrogen supplements to improve ethanol production from sweet sorghum juice by Saccharomyces cerevisiae NP01 under very high gravity (VHG) fermentation (280 g·L-1 ...
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Liyuan Zhang, Xiaoying Song, Yaxiao Niu, Huihui Zhang, Aichen Wang, Yaohui Zhu, Xingye Zhu, Liping Chen and Qingzhen Zhu
As prior information for precise nitrogen fertilization management, plant nitrogen content (PNC), which is obtained timely and accurately through a low-cost method, is of great significance for national grain security and sustainable social development. ...
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Sofoklis Bouras, Nikolaos Katsoulas, Dimitrios Antoniadis and Ioannis T. Karapanagiotidis
The simultaneous use of crude glycerol and effluent from anaerobic digestate, both wastes derived from the biofuel industry, were tested in the frame of circular economy concept, as potential low-cost nutrient sources for the cultivation of rich in docos...
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Long Ho, Wout Van Echelpoel, Panayiotis Charalambous, Ana P. L. Gordillo, Olivier Thas and Peter Goethals
Emerging global threats, such as climate change, urbanization and water depletion, are driving forces for finding a feasible substitute for low cost-effective conventional activated sludge (AS) technology. On the other hand, given their low cost and easy...
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Long Ho, Wout Van Echelpoel, Panayiotis Charalambous, Ana P. L. Gordillo, Olivier Thas and Peter Goethals
Emerging global threats, such as climate change, urbanization and water depletion, are driving forces for finding a feasible substitute for low cost-effective conventional activated sludge (AS) technology. On the other hand, given their low cost and easy...
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Vince Bakos, Péter Szombathy, József Simon, Andrea Jobbágy
Pág. 505 - 513
Detection and characterization of hidden industrial inflows causing high fluctuations of the inlet load, is a challenging issue pushing plant operators for a cost-effective solution at regional wastewater treatment plants (WWTPs). On the other hand, carb...
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Astri Rinanti,Ronny Purwadi
Pág. 69 - 76
A study on Ankistrodesmus sp.?a freshwater green microalgae species?as a bioflocculant based on its physicochemical properties and flocculation rate has been carried out. The molecular identification via 16S rDNA showed 99% resemblance of this green micr...
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Tobias Ott, Christopher Onder and Lino Guzzella
In this paper we demonstrate the potential of combining electric hybridization with a dual-fuel natural gas-Diesel engine. We show that carbon dioxide emissions can be reduced to 43 gram per kilometer with a subcompact car on the New European Driving Cyc...
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Haithem Bel Hadjltaief, Ali Sdiri, María Elena Gálvez, Haythem Zidi, Patrick Da Costa and Mourad Ben Zina
This paper describes a simple and low-cost process for the degradation of 4-Chlorophenol (4-CP) from aqueous solution, using natural Tunisian Hematite (M1) and Siderite (M2). Two natural samples were collected in the outcroppings of the Djerissa mining s...
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Ezlina Othman, Mohd Suffian Yusoff, Hamidi Abdul Aziz, Mohd Nordin Adlan, Mohammed J. K. Bashir and Yung-Tse Hung
This study examines the suitability of natural silica sand as a low-cost adsorbent for the removal of ammoniacal nitrogen and heavy metals, particularly iron and zinc, from semi-aerobic stabilized landfill leachate. Leachate samples were collected from t...
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Sarah R. Wilkinson, M. Anne Naeth and Amalesh Dhar
Nature-based, low technology wastewater treatment systems can benefit small and remote communities. Adding a constructed floating wetland (CFW) to waste stabilization ponds can enhance treatment efficacy at low cost, depending on appropriate macrophytes....
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Yuanyuan Li, Sen Wang, Yue Li, Fanlong Kong, Houye Xi and Yanan Liu
Agricultural drainage water with a low C/N ratio restricts the nitrogen and phosphorus removal efficiencies of constructed wetlands. Thus, there is a need to add external carbon sources to drive the nitrogen and phosphorus removal. In this study, the eff...
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Jakob Lavrsen Kure, Jakob Krabben, Simon Vilms Pedersen, Marco Carozzi and Sven G. Sommer
Ammonia (NH3) emission from agriculture is an environmental threat and a loss of nitrogen for crop production. Mineral fertilizers and manure are significant sources of NH3; therefore, abatement technologies have been introduced to mitigate these emissio...
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Iosif Kapellakis, Vasileios A. Tzanakakis and Andreas N. Angelakis
Land application of olive mill wastewater (OMW) is considered a promising low-cost practice for olive-oil producing countries. The objectives of this work were to investigate: (i) OMW treatment potential of a land treatment system (LTS), planted with a E...
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Minghua Li, Yang Liu, Xi Lu, Jiale Jiang, Xuehua Ma, Ming Wen and Fuyu Ma
The accurate assessment of nitrogen (N) status is important for N management and yield improvement. The N status in plants is affected by plant densities and N application rates, while the methods for assessing the N status in drip-irrigated cotton under...
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Min Liu, Meng Xu, Liang Yuan, Shuiqin Zhang, Yanting Li and Bingqiang Zhao
Due to its broad yield-increasing effect and low cost, humic acid urea (HAU) has become one of the leading modified fertilizers worldwide. The fertisphere is the primary space where urea (U) granules participate in the soil nitrogen cycle, forming a nutr...
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Lei Sun, Chongchong Yang, Jun Wang, Xiwen Cui, Xuesong Suo, Xiaofei Fan, Pengtao Ji, Liang Gao and Yuechen Zhang
Existing maize production is grappling with the hurdles of not applying nitrogen fertilizer accurately due to subpar detection accuracy and responsiveness. This situation presents a significant challenge, as it has the potential to impact the optimal yie...
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Lwando Mbambalala, Zikhona Theodora Rani, Thamsanqa Doctor Empire Mpanza, Makiwa Simeon Mthana, Lusanda Ncisana and Ntuthuko Raphael Mkhize
The agricultural sector receives substantial support from livestock, which greatly contributes to the well-being of rural communities. Livestock offers animal-derived products, such as meat and milk, which serve as abundant protein sources for human cons...
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Gaganpreet Singh Hundal, Chad Matthew Laux, Dennis Buckmaster, Mathias J Sutton and Michael Langemeier
The production of row crops in the Midwestern (Indiana) region of the US has been facing environmental and economic sustainability issues. There has been an increase in trend for the application of fertilizers (nitrogen & phosphorus), farm machinery ...
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Wenxia Lu, Xueyong Tian, Yongguang Ma, Yinyan Guan, Libo Liu and Liwei Shi
Sewage treatment plants face significant problems as a result of the annual growth in urban sewage discharge. Substandard sewage discharge can also be caused by rising sewage treatment expenses and unpredictable procedures. The most widely used sewage tr...
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