Results 121 to 130 of about 13,909 (224)

Effluent polishing of the stabilization ponds at the university of zulia through rock filter

open access: yesRevista Técnica de la Facultad de Ingeniería, 2010
Stabilization ponds represent an efficient alternative for the treatment of wastewater; however, the main disadvantage to them is the high concentration of solids in the effluent, which makes improving this effluent a necessary step to take.
Suher Yabroudi   +7 more
doaj  

Treatment efficiency in wastewater treatment plant of Hat Yai Municipality by quantitative removal of microbial indicators [PDF]

open access: yesSongklanakarin Journal of Science and Technology (SJST), 2009
The efficiency of treatment in a wastewater treatment plant of Hat Yai Municipality through stabilization ponds and constructed wetlands was monitored by using the bacterial indicators, total coliforms (TC), fecal coliforms (FC), Escherichia coli and ...
Duangporn Kantachote   +2 more
doaj  

Heavy metals in wastewater and fish collected from waste stabilization pond and human health risks in southwestern Ethiopia

open access: yesFrontiers in Environmental Health
IntroductionThis study aimed to measure the concentration of toxic heavy metals in wastewater samples and Nile tilapia (Oreochromis niloticus) species inhabiting wastewater (waste stabilization ponds) and evaluate their safety as a food source in ...
Girma Berhanu   +3 more
doaj   +1 more source

The effect of aerated rock filter geometry on the rate of nitrogen removal from facultative pond effluents

open access: yes
Rock Filters are an established technology for polishing waste stabilization pond effluents.However, they rapidly become anoxic and consequently do not remove ammonium-nitrogen.Horizontal-flow aerated rock filters (HFARF), developed to permit ...
Hamdan, R., Mara, D.D.
core  

Enhanced phosphorus removal in a waste stabilization pond system with blast furnace slag filters

open access: yes, 2009
In this work a tertiary horizontal-flow blast furnace slag (BFS) filter was tested for phosphorus removal under laboratory and field conditions. Laboratory experiments were conducted in a benchscale BFS filter for phosphorus adsorption capacity at ...
Camargo Valero, M.A.   +3 more
core  

Sulfur bacteria in wastewater stabilization ponds periodically affected by the 'red-water' phenomenon. [PDF]

open access: yesAppl Microbiol Biotechnol, 2013
Belila A   +6 more
europepmc   +1 more source

The survey of biological absorption of hexavalent chromium from aqueous solutions by Wastewater stabilization pond algae

open access: yesMuhandisī-i Bihdāsht-i Muḥīṭ, 2016
Background: Contamination of aquatic habitats due to toxicity and accumulation of heavy metals leading to serious damage to organisms and their advance to the food chain.
Mohammad Nourisepehr   +3 more
doaj  

Wastewater treatment efficiency in stabilization ponds, Olang treatment plant, Mashhad, 2011-13

open access: yesIranian Journal of Health, Safety and Environment, 2015
Olang wastewater treatment facilities purifying raw urban wastewater consist of two stabilization pond modules. Both are on operation in parallel. Functioning of natural systems is influenced by different factors including ambient condition.
Hadi Rahmatiyar   +4 more
doaj  

Performance evaluation of POME treatment plants [PDF]

open access: yes, 2016
Palm Oil Mill Effluent (POME)'s nutrient composition and its ensuing removal from the wastewater is rarely reported in contrast with organics removal. Thus, the efficiency of several Industrial Effluent Treatment Systems (IETS) in nutrient removal are ...
Kassim, Mohd. Azraai   +3 more
core  

Avaliação das modificações nas propriedades de um solo pelo uso de esgoto doméstico tratado na irrigação do coqueiro.

open access: yesRevista Tecnologia, 2009
This research aimed to study the possible impacts on soil due to the irrigation of coconut trees with treated wastewater. The study was conducted in a private area, in which the owner has irrigated the area with treated wastewater from a stabilization ...
Igor Ramos Alves   +2 more
doaj  

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