نتایج جستجو برای: Suspended Solids

تعداد نتایج: 42244  

Journal: :international journal of environmental research 0
e. garcía-flores department of chemical sciences and engineering, autonomous university of baja california, calzada universidad 14418. international industrial park, tijuana, baja california, mexico, c.p. 22390 f.t. wakida department of chemical sciences and engineering, autonomous university of baja california, calzada universidad 14418. international industrial park, tijuana, baja california, mexico, c.p. 22390 j.h. espinoza-gomez department of chemical sciences and engineering, autonomous university of baja california, calzada universidad 14418. international industrial park, tijuana, baja california, mexico, c.p. 22390

eight sites were sampled during seven rain events to quantify and identify the sources ofpolycyclic aromatic hydrocarbons in urban runoff in the city of tijuana, mexico. the total σ16 pahsconcentration rangedfrom 1113 to 4866 μg/lin the sampled sites and thetotal suspended solid concentrations ranged from 7725 to 4413 μg/l. the high concentrations of total suspended solids were probably the res...

ژورنال: طلوع بهداشت یزد 2016
جعفری منصوریان, حسین, غلامی ینگجه, صمد, مجیدی, غریب, یاری, احمد رضا,

Introduction: By appropriate method can be recycled more than 95 percent effluent backwashing the filter. This study aimed to examine the efficiency of the electrocoagulation process on turbidity and suspended solids removal from backwash effluent of rapid sand filter of water treatment plants No 1 in Karaj. Methods: This bench-scale experimental study was carried out on the samples of b...

Journal: :Journal of dairy science 1976
W A Bough D R Landes

Chitosan, a cationic carbohydrate polymer manufactured from chitin in shrimp and crab wastes, coagulated suspended solids in cheese whey as effectively or more so than ten commercial synthetic polymers. Concentrations of suspended solids after settling were reduced over 90% by coagulation at pH 6.0 with a ratio of chitosan to suspended solids of 2.15% (1:46.5). The yield of coagulated solids wa...

2017
Steven P. Bradbury Carl Herbrandson Deborah L. Swackhamer CARL HERBRANDSON STEVEN P. BRADBURY DEBORAH L. SWACKHAMER

To better predict and interpret the responses of aquatic organisms to environmentally relevant chemical exposures, it is necessary to investigate the combined effects of physical (e.g., suspended solids) and chemical stressors. One of the limitations in investigating suspended solids–chemical interactions has been the lack of an appropriate testing system. The specific objective of the current ...

Journal: :Aquatic toxicology 2003
Carl Herbrandson Steven P Bradbury Deborah L Swackhamer

It has been demonstrated that simultaneous exposure of Daphnia magna to suspended solids and a carbamate pesticide potentiates the toxic response to the pesticide. The toxicodynamics between these stressors were investigated to determine possible mechanisms of interaction. Three experimental series were conducted with D. magna to determine: the effect of food availability on carbofuran toxicity...

2005

2. The dissolved-phase fraction (fdissolved) is a function of the characteristics and level of suspended solids and dissolved organic matter, which may be estimated from the following relationship, where [SS] is suspended solid content, [DOC] is DOC concentration, kd is partition coefficient between the dissolved phase and the suspended solids, and kDOC is the partition coefficient between the ...

2007
Steve Kenny Dave Pope

In order to fully understand what a given boiler needs for treatment, a basic study of its supply water must be done first. Three types of impurities exist in all supplies and can cause a wide range of problems in boilers and kilns. These impurities are suspended solids, dissolved solids, and dissolved gasses. Water picks up the impurities from the ground it contacts and the air through which i...

Journal: :international journal of environmental research 2013
e. garcía-flores f.t. wakida j.h. espinoza-gomez

eight sites were sampled during seven rain events to quantify and identify the sources ofpolycyclic aromatic hydrocarbons in urban runoff in the city of tijuana, mexico. the total σ16 pahsconcentration rangedfrom 1113 to 4866 μg/lin the sampled sites and thetotal suspended solid concentrations ranged from 7725 to 4413 μg/l. the high concentrations of total suspended solids were probably the res...

Journal: :iranian journal of public health 0
gh ghanizadeh r sarrafpour

the effluent quality of a sewage treatment plant using activated sludge process and finally secondary treatment depends on the flocculation efficiency and settling of the flocs. the survey of various treatment processes in water and wastewater treatment shows that temperature and ph are the important factors affecting efficiency of flocculation and settling properties. this study was performed ...

Journal: :Bioresource technology 2013
Sarah A Castine Nicholas A Paul Marie Magnusson Michael I Bird Rocky de Nys

Land-based aquaculture produces suspended solids in culture pond and settlement pond waters that could be harvested as a bioresource. Suspended solids were quantified, characterised and harvested from these two sources to assess their suitability for conversion to bioproducts. The suspended solids of settlement ponds were less concentrated (87.6±24.7mgL(-1)) than those of culture ponds (131.8±8...

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