In the studies on the recovery of vanadium from vanadium catalyst extracts, three types of polymer strongly acidic ion exchangers were used. The ion exchange resins differed in terms of granularity and their ion exchange capacity. As a result, breakthrough curves were made for three main components of the test extract, i.e.: ions of vanadium, iron and potassium. On this basis the optimum conditions for the removal of iron ions from the solution were defined and the technological concept of the process in the semi-technical scale was proposed.
In the studies on the recovery of vanadium from vanadium catalyst extracts, three types of polymer strongly acidic ion exchangers were used. The ion exchange resins differed in terms of granularity and their ion exchange capacity. As a result, breakthrough curves were made for three main components of the test extract, i.e.: ions of vanadium, iron and potassium. On this basis the optimum conditions for the removal of iron ions from the solution were defined and the technological concept of the process in the semi-technical scale was proposed.
3
Dostęp do pełnego tekstu na zewnętrznej witrynie WWW
Sustainable disposal and utilization of solid waste is of utmost importance for Istanbul, the historically and geographically magnificent city of Turkey with its over 10 million inhabitants. The article shortly introduces the reader to the history and geography of Istanbul and underlines some important figures. The current efforts and projects undertaken by both the municipalities and private companies in order to utilize solid waste in a sustained way are described.
PL
Zrównoważona gospodarka odpadami stałymi jest sprawą najwyższej wagi dla wspaniałego, pod względem historycznym i geograficznym, tureckiego miasta - Stambułu. W artykule przedstawiono krótko historię i geografię Stambułu. Opisano starania zarówno władz miasta, jak i prywatnych firm podejmowane w celu unieszkodliwiania odpadów stałych zgodnie z zasadami zrównoważonego rozwoju.
JavaScript jest wyłączony w Twojej przeglądarce internetowej. Włącz go, a następnie odśwież stronę, aby móc w pełni z niej korzystać.