The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
A very strong particle charge dependence of the pressure independent flux has been demonstrated in the ultrafiltration of colloids. This flux passes through a minimum both as the charge of the particles increases, for constant particle size, and as the particle size increases, for constant particle charge. By considering the force balance on a particle and the flocculation of particles, the observed...