Wszystkie pola: Ścieranka, B. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Wpływ wybranych pestycydów na pracę osadu czynnego
Effect of some pestides on activated sludge process
Autorzy:: Grabińska-Sota, E.
Kalka, J.
Wiśniowska, E.
Ścieranka, B.
Powiązania:: https://bibliotekanauki.pl/articles/236967.pdf
Data publikacji:: 2000
Wydawca:: Polskie Zrzeszenie Inżynierów i Techników Sanitarnych
Tematy:: środki ochrony roślin
pestycydy
herbicydy
oczyszczalnie ścieków
osad czynny
właściwości sedymentacyjne
aktywność osadu czynnego
Opis:: The pesticides under study were specific preparations produced on the basis of 2,4-dichlorophenoxyacetic acid and 4-chloro-2-methylphenoxyacetic acid. The objective of the investigations (carried out in a conventional activated sludge system) was to determine the influence of the pesticides on the biodegradation process. Consideration was given to the problem of how their presence in the wastewater affected organic matter removal, nitrification and sludge volume index. The toxicity oft he preparations was examined as well. Biocoenosis quality in the activated sludge system with pesticide degradation was compared with that in the reference system. The study has revealed the following: The presence of pesticides did not affect either organic matter removal or nitrification. There was only a slight deterioration of the sludge volume index, as well as an insignificant toxic effect on the biomass. The two sludge systems did not very much differ in the quality of their biocoenosis.
Źródło:: Ochrona Środowiska; 2000, 2; 39-42
1230-6169
Pojawia się w:: Ochrona Środowiska
Dostawca treści:: Biblioteka Nauki

Artykuł

Zmień widok

na półce

Skocz do pozycji: 2.

Tytuł:: Wpływ eksploatacji i stanu technicznego sieci na jakość wody wodociągowej
Influence of technical and operating conditions of the water distribution system on water quality
Autorzy:: Kuś, K.
Gamrot, B.
Malicka, K.
Ścieranka, G.
Powiązania:: https://bibliotekanauki.pl/articles/237728.pdf
Data publikacji:: 2001
Wydawca:: Polskie Zrzeszenie Inżynierów i Techników Sanitarnych
Tematy:: zaopatrzenie w wodę
eksploatacja sieci wodociągowej
woda wodociągowa
jakość wody
Opis:: The combined water supply system being under responsibility of the Upper Silesian Water Board (USWB) basically supplies water to the industry, agriculture and population of Upper Silesia. This is the largest system of that kind operated in Poland and is rather unique in Europe. Water is sold at more than 800 points to water companies, which deliver water to the users in different cities. The ever decreasing water consumption by individual households and industry observed in recent years has brought about a considerable extension of the hydraulic residence time and a deterioration of water quality. The technical condition of the water-pipe network, the hydraulic parameters and water quality variations were analyzed on the example of a water distribution network operated by a local water company that purchases water from the USWB. The objective of the study was to assess the material and age of the pipes, residence time, flow velocity, pressure, as well as the physicochemical and bacteriological parameters at the points of purchase and other characteristic points along the network. Consideration was also given to the frequency of pipe failure and the resulting water loss. A clear definition of the factors that contribute to episodic or long-term deterioration of water quality made it possible to suggest some preventive measures (which had partly been implemented) to maintain or re-establish the desired quality of the water.
Źródło:: Ochrona Środowiska; 2001, 3; 17-20
1230-6169
Pojawia się w:: Ochrona Środowiska
Dostawca treści:: Biblioteka Nauki

Artykuł

Zmień widok

na półce

Informacja

Wyszukujesz frazę "Ścieranka, B." wg kryterium: Wszystkie pola

Źródło danych

Dostawca treści

Kolekcja

Rok wydania

Wydawca

Temat

Autor

Typ dokumentu

Język