Results 11 to 20 of about 27,067 (301)
The performance of a nitrogen-fixing SBR
Water Science and Technology, 2004 A laboratory study has successfully demonstrated that a nitrogen deficient thermomechanical pulping wastewater can be effectively treated in a sequencing batch reactor (SBR) operated under conditions of biological nitrogen fixation (the N-ViroTech® process).
M A, Dennis +3 more
openaire +3 more sources
Advances in Rheumatology, 2019 Background In Brazil, we are facing an alarming epidemic scenario of Yellow fever (YF), which is reaching the most populous areas of the country in unvaccinated people. Vaccination is the only effective tool to prevent YF.
Gecilmara Salviato Pileggi +33 more
doaj +1 more source
Is building up substrate during anaerobic feeding necessary for granulation?
Water Science and Technology, 2022 For a successful granulation process in activated sludge systems, the stimulation of slow growing organisms such as glycogen accumulating microorganisms (GAOs) is a key factor.
Eirini Tsertou +7 more
doaj +1 more source
Effect of influent nutrient ratios and hydraulic retention time (HRT) on simultaneous phosphorus and nitrogen removal in a two-sludge sequencing batch reactor process [PDF]
, 2009 A laboratory-scale anaerobic–anoxic/nitrification sequencing batch reactor (A2N- SBR) fed with domestic wastewater was operated to examine the effect of varying ratios of influent COD/P, COD/TN and TN/P on the nutrient removal.
Stephenson, Tom +2 more
core +1 more source
The Properties of Polymer-Modified Asphalt Drived from Vacuum Bottom and Wastes of PE and SBR Plants [PDF]
علوم و تکنولوژی پلیمر, 2008 The polymeric and non-polymeric petrochemical wastes are environmentally unfavorable materials. We have to found a way to reuse these wastes in a safe manner.
A. Yousefi, A. A. Yousefi, M. Arjomand
doaj +1 more source
Water Reuse, 2022 Based on the simplified activated sludge model No. 1 (ASM1), a 1D biofilm model containing autotrophic and heterotrophic microorganisms was developed to describe the microbial population dynamics and reactor dynamics of completely autotrophic nitrogen ...
Qing Cai +3 more
doaj +1 more source
Restaurant wastewater treatment with a two-chamber septic tank and a sequencing batch reactor [PDF]
E3S Web of Conferences, 2021 Restaurant wastewater in Indonesia comprises a variety of organic components that are difficult to degrade, such as COD, BOD, TSS, and oils and fats. Although grease traps are usually used to collect restaurant wastewater, the effluent still exceeds the ...
Hendrasarie Novirina +2 more
doaj +1 more source
Operating strategies for variable-flow sequencing batch reactors. [PDF]
, 2007 Sequencing batch reactors (SBRs) are variable-volume, non-steady-state, suspended-growth biological wastewater treatment reactors. The treatment process is characterised by a repeated treatment cycle consisting of a series of sequential process phases ...
Stephenson, Tom +5 more
core +1 more source
European Journal of Entomology, 2005 Fenoxycarb is an insecticide with a juvenile hormone mimicking effect, which disturbs metamorphosis in several insect species, including the neuropteran Chrysoperla carnea.
Laura BORTOLOTTI +2 more
doaj +1 more source
Applied Sciences, 2020 It is well-accepted that the ionic copolymer poly (ethylene-co-methacrylic) acid (also named EMAA) is one type of self-healing material. This particular capability has great potential for extending the service life of infrastructures. In order to improve
Yuefeng Zhu +4 more
doaj +1 more source