Results 61 to 70 of about 544,052 (240)

Evaluation of elephant grass silage with the addition of cassava scrapings Avaliação da silagem de capim-elefante com adição de raspa de mandioca

open access: yesRevista Brasileira de Zootecnia, 2010
The objective of this experiment was to evaluate the effects of adding cassava scrapings on gas and effluent losses, dry matter recovery, pH, contents of N-NH3, organic acids and volatile fatty acids and the bromatological composition of elephant grass ...
Anderson de Moura Zanine   +5 more
doaj   +1 more source

Method for treating wastewater using microorganisms and vascular aquatic plants [PDF]

open access: yes, 1983
A method for treating wastewater compresses subjecting the wastewater to an anaerobic setting step for at least 6 hours and passing the liquid effluent from the anaerobic settling step through a filter cell in an upflow manner.
Wolverton, B. C.
core   +1 more source

Treatment of Industrial Wastewater Using an Integrated Anaerobic Reactor and Fixed-Film Activated Sludge (IFAS) System [PDF]

open access: yesمحیط زیست و مهندسی آب
Wastewater reuse has become a common practice in many industries to manage water resources effectively. The objective of this research was to investigate the possibility of reusing treated wastewater from the Urmieh 2 industrial state an integrated ...
Abdoullah Samiee Bayragh   +2 more
doaj   +1 more source

Process studies of odour emissions from effluent ponds using machine-based odour measurement [PDF]

open access: yes, 2006
Replicable experimental studies using a novel experimental facility and a machine-based odour quantification technique were conducted to demonstrate the relationship between odour emission rates and pond loading rates. The odour quantification technique
E. Yoong   +11 more
core   +2 more sources

The chemical composition, fermentation profile, and microbial populations in tropical grass silages

open access: yesRevista Brasileira de Zootecnia, 2013
The objective of this study was to evaluate the fermentation profile, chemical composition and microbial population and losses in the silages of signalgrass and Mombasa grass fertilized with the following levels of nitrogen (N): 0, 30, 60 and 90 kg/ha ...
João Paulo Sampaio Rigueira   +4 more
doaj   +1 more source

Methods of isolation and identification of pathogenic and potential pathogenic bacteria from skins and tannery effluents [PDF]

open access: yes, 2013
Currently there is no standard protocol available within the leather industry to isolate and identify pathogenic bacteria from hides, skins or tannery effluent.
Allen, Stuart C H   +4 more
core  

Optimization study of the fouling build-up on a RO membrane for pretrated olive mill wastewater purification [PDF]

open access: yes, 2017
Even though membranes are considered in many aspects a mature technology, a range of features are still in development and under investigation. Regarding this, the main handicap of this technology is inevitably membrane fouling.
Martínez-Férez, Antonio   +2 more
core   +1 more source

Assessment of surface water quality using the water quality index (WQI) in a river located in northern Minas Gerais (Brazil) / Avaliação da qualidade de água superficial usando o índice de qualidade da água (IQA) em um rio localizado no norte de Minas Gerais (Brasil)

open access: yesRevista Brasileira de Meio Ambiente, 2020
Water is an indispensable natural resource for the survival of living beings, as well as for performing anthropic activities. However, in urban areas, watercourses are directly affected by impacting activities, making these resources increasingly scarce ...
Lucas Victor Pereira de Freitas   +3 more
doaj  

Effect of photoperiod on growth and hydrocarbon content of Botryococcus braunii cultured in effluent from seafood processing plant. [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2006
The hydrocarbon-rich alga, Botryococcus braunii was cultivated in Modified Chu13 medium at pH 6.7. Growth of B. braunii was studied by using batch culture in 2L conical flasks with an initial algal density of 0.75 g dry weight/l under air-lift condition (
Tansakul, P., Dumrattana, P.
doaj  

Water Quality Assessment of Sager Creek Utilizing Physiochemical Parameters and a Family-Level Biotic Index [PDF]

open access: yes, 2013
An annual rapid bioassessment and physiochemical survey of Sager Creek in Northwest Arkansas was conducted. Sager Creek is a first to second order stream that flows through the city of Siloam Springs, AR.
Wakefield, T. S.
core   +3 more sources

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