نتایج جستجو برای: linear alkylbenzene sulfonate las

تعداد نتایج: 629236  

A Mashinchian , A Naeemi , N Shabanipour , S Jamili , S Shariati Feizabadi ,

The histopathological effects of Linear Alkylbenzene Sulfonate on the gill, liver and kidney tissues of the Caspian kutum, Rutilus frisii kutum were studied. The fish were exposed to three sublethal concentrations of anionic detergent, Linear Alkylbenzene Sulfonate (LAS) for short term intervals (192 h). Gill, liver and kidney samples were collected after 192 h of exposure to LAS and lesions we...

A Mashinchian A Naeemi, N Shabanipour S Jamili S Shariati Feizabadi

The histopathological effects of Linear Alkylbenzene Sulfonate on the gill, liver and kidney tissues of the Caspian kutum, Rutilus frisii kutum were studied. The fish were exposed to three sublethal concentrations of anionic detergent, Linear Alkylbenzene Sulfonate (LAS) for short term intervals (192 h). Gill, liver and kidney samples were collected after 192 h of exposure to LAS and lesions we...

2017

The histopathological effects of Linear Alkylbenzene Sulfonate on the gill, liver and kidney tissues of the Caspian kutum, Rutilus frisii kutum were studied. The fish were exposed to three sublethal concentrations of anionic detergent, Linear Alkylbenzene Sulfonate (LAS) for short term intervals (192 h). Gill, liver and kidney samples were collected after 192 h of exposure to LAS and lesions we...

Journal: :Journal of Japan Oil Chemists' Society 1972

Activated carbon from pine cone (PCAC) was used as a precursor to prepare Fe3O4/magnetic activated carbon (MPCAC). Here, the removal of linear alkylbenzene sulfonate (LAS) was studied using catalytic ozonation process (COP) in exposure to MPCAC. Subsequently, it was compared with PCAC. Moreover, the effects of solution's initial pH, catalyst dosage, and the time of ozonati...

2013
Susanne Biedlingmaier

12 strains o f the geni Chlorella, Scenedesmus, Chlamydomonas, and Dunaliella were tested for their tolerance against the anionic detergent “L A S” (linear alkylbenzene sulfonate). Cellular parameters (cell titer and chlorophyll content) were monitored for 28 days after addition o f LAS (0 .0 1 —2 m M ) . A 100-fold difference in sensitivity toward LAS was detected for the algal strains analyze...

2015
Aju K. Asok Manakulam Shaike Jisha

Anionic surfactants are the most widely exploited chemical surfactants, which are being incorporated into majority of detergents and cleaning products used for household and industrial applications. Linear alkylbenzene sulfonates (LAS) is one of the major xenobiotic anionic surfactants. Biodegradation is an effective process to reduce the amount of surfactants released in the environment. In th...

Journal: :Bioresource technology 2013
Dagoberto Y Okada Tiago P Delforno Andressa S Esteves Isabel K Sakamoto Iolanda C S Duarte Maria B A Varesche

Degradation of linear alkylbenzene sulfonate (LAS) in UASB reactors was optimized by varying the bioavailability of LAS based on the concentration of biomass in the system (1.3-16 g TS/L), the hydraulic retention time (HRT), which was operated at 6, 35 or 80 h, and the concentration of co-substrates as specific organic loading rates (SOLR) ranging from 0.03-0.18 g COD/g TVS.d. The highest degra...

2012
Dar-Yi Wang

Dar-Yl Wang and Bao-Quey Huang (1994) Effects of LAS on the membrane potential of gill epithelium in young tigerperch (Terapon jarbua). Zoological Studies 33(2): 170-173. In order to investigate the effects of LAS (Linear Alkylbenzene Sulfonate) on gill epithelium membrane potential, young tigerperch (Terapon jarbua) , body lengths ranging between 57.5 and 67.5 rnm, were kept in different conce...

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