Study on characteristics and harm of surfactants

نویسندگان

  • C. L. Yuan
  • Z. Z. Xu
  • M. X. Fan
  • H. Y. Liu
  • Y. H. Xie
  • T. Zhu
چکیده

Surfactants have wide use all over world. This study summarizes the characteristics and classification of surfactants. Surfactants have wide application in commodity and industry. A large number of surfactant containing wastewater are discharged into the environment, resulting in harming aquatic life, polluting the water and endangering human health. Therefore, it is important to monitor and control emissions of surfactants in environmental water.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Preparation and characterization of the Cloisite Na+ modified with cationic surfactants

An easy method was used to modify the Cloisite Na+ with different cationic surfactants. To prevent the damages in the clay crystal structure, the process was taken without acid activation. The organo-modified montmorillonite (MMT) were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), thermal analysis (TG/DTG), field emission scanning electron microscopy ...

متن کامل

The Effectiveness of Play Therapy based on Cognitive Behavioral Approach on Social Anxiety and Self-Harm Behaviors in Children with Autism Disorder

Introduction: Considering the high statistics of children with autism disorder and the many psychological problems of this group, intervention is necessary to reduce their psychological problems. As a result, the current research was conducted with the aim of determining the effectiveness of play therapy based on cognitive behavioral approach on social anxiety and self-harm behaviors in childre...

متن کامل

Effect of Surfactant Type and Concentration on the Duration of Mucoadhesion of Carbopol 934 and HPMC Solid Compacts

In order to formulate an efficient and durable mucoadhesive drug delivery system, careful consideration of formulation-related parameters is critical. This study was conducted to investigate the effect of the presence of various types and concentrations of surfactants within or outside Carbopol 934 (C934) as well as hydroxypropylmethyl cellulose (HPMC) solid compacts, on their duration of mucoa...

متن کامل

Effect of Surfactant Type and Concentration on the Duration of Mucoadhesion of Carbopol 934 and HPMC Solid Compacts

In order to formulate an efficient and durable mucoadhesive drug delivery system, careful consideration of formulation-related parameters is critical. This study was conducted to investigate the effect of the presence of various types and concentrations of surfactants within or outside Carbopol 934 (C934) as well as hydroxypropylmethyl cellulose (HPMC) solid compacts, on their duration of mucoa...

متن کامل

The Effect of Various Surfactants on Release Behavior of Procainamide HCl from Ethylcellulose Based Matrices

The effect of different kinds of surfactants in various concentrations incorporated in an inert matrix, on the release of procainamide hydrochloride, as a cationic model compound, was investigated in this study. Sodium lauryl sulfate and sodium stearate as anionic surfactants, cetyl pyridinium chloride and cetyltrimethyl ammonium bromide as cationic and span 60 and tween 80 as non-ionic surfact...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2014