نتایج جستجو برای: linear alkylbenzene sulfonate las
تعداد نتایج: 629236 فیلتر نتایج به سال:
Abstract. Environmental pollution that is often encountered in daily life comes from laundry waste. Laundry waste includes pollutants or substances pollute the environment because it there a substance called linear alkylbenzene sulphonate (LAS). LAS detergent classified as hard to brake down by microorganisms (non-biodegradable) so can cause environmental pollution. One method used wastewater t...
Pharmaceuticals and personal care products (PPCPs) include over-the-counter prescription drugs, veterinary fragrances, cosmetics. PPCPs have been detected in aquatic environments at low concentrations are emerging as contaminants of concern. primarily released into via untreated sewage, wastewater treatment plants, landfill leachate can affect life through persistence, bioaccumulation, toxicity...
This paper describes the liquid scintillator veto system for COSINE-100 dark matter experiment and its performance. The detector consists of eight NaI(Tl) crystals immersed in 2200~L linear alkylbenzene-based scintillator. tags between 65 75\% internal $^{40}$K background 2--6 keV energy region. We also describe model scintillator, which is primarily used to assess calibration threshold.
The self-assembly in aqueous solution of the acidic (AS) and lactonic (LS) forms of the sophorolipid biosurfactant, their mixtures, and their mixtures with anionic surfactant sodium dodecyl benzene sulfonate, LAS, has been studied using predominantly small-angle neutron scattering, SANS, at relatively low surfactant concentrations of <30 mM. The more hydrophobic lactonic sophorolipid forms smal...
Abstract Biotic stress caused by pests on citrus trees has become a major problem for ecologists around the world, hence need to develop ecological approaches surmount this stress. To evaluate effectiveness of diverse control methods pest Panonychus citri and its predators, Euseius stipulatus , Phytoseiulus persimilis Typhlodromus sp. Different treatments were applied in orchards planted Citrus...
in this paper the photocatalytic degradation of the anionic surfactant, linear alkylbenzene sulfonicacid (labsa) was investigated using uv radiation in the presence of tio2. our findingsdemonstrate that various parameters exert their individual influence on the photocatalytic degradationof surfactant in wastewaters. the mentioned parameters have been categorized as follow: the initialph of the ...
Background and Objectives: Linear alkyl benzene sulfonates are widely used as surfactants in formulated detergent products. Because of their use in household and industrial detergents, LAS is discharged into wastewater collection systems and subsequently entered to wastewater treatment plants. Therefore, it is important to determine the concentration of LAS with accuracy. They are usually deter...
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