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Water polution

Huirong Lin, Shuting Zhang, Shenghua Zhang, Wenfang Lin, Xin Yu
To understand the relationship between chemical and microbial treatment at each treatment step, as well as the relationship between microbial community structure in biofilms in biofilters and their ecological functions, a drinking water plant with severe organic matter-polluted source water was investigated. The bacterial community dynamics of two drinking water supply systems (traditional and advanced treatment processes) in this plant were studied from the source to the product water. Analysis by 454 pyrosequencing was conducted to characterize the bacterial diversity in each step of the treatment processes...
April 2017: Environmental Science and Pollution Research International
B Kiziewicz, B Czeczuga
The aim of work was settlement of occurrence of pathogenic fungus Trichosporon cutaneum in diverse ecological environments. Object to investigations former river Wegorapa, Supraśl, lakes of complex Mamry and Sejny group, of cultivation ponds in Popielewo and in Poryte Jabłoń a few springs of city Białystok. In investigations one used method of baits to isolated water fungus. Quality of waters determined by physico-chemistry methods. One fixed, that pathogenic fungus Trichosporon cutaneum stepped out in waters north-east evn Poland on all investigated sites...
2001: Wiadomości Parazytologiczne
Mohd Wajid Ali Khan, Masood Ahmad
A Pseudomonas fluorescens strain was isolated from the soil of industrial estate of Aligarh, India. This strain was resistant to some of the major Indian water pollutants, namely Cd2+, Cr6+, Cu2+, Ni2+, Pb2+, BHC, 2,4-D, mancozeb and phenols up to the levels occurring in the highly polluted regions. Moreover, the test strain seems to have a great potential for the detoxification of these pollutants. The decrease in toxicity as determined by the Allium cepa test was recorded as 62.5% for the model water containing the mixture of test heavy metals, 71...
2006: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
Denise Fernandes, Joanna Potrykus, Cinzia Morsiani, Demetrio Raldua, Ramón Lavado, Cinta Porte
Carps (Cyprinus carpio) and red swamp crayfish (Procambarus clarkii) were sampled from two lowstream Mediterranean rivers (Anoia and Cardener) receiving extensive urban and industrial waste water discharges. Tissue residues of selected pollutants (organochlorinated compounds, polycyclic aromatic hydrocarbons (PAHs)) were determined in conjunction with different biochemical responses (cytochrome P450, phase II enzymes) with the aim of investigating whether resident organisms were responsive to changes in water quality...
October 2002: Environmental Research
G A Bagdasar'ian, Iu G Talaeva, T Z Artemova, V I Nemyria, A E Nedachin
No abstract text is available yet for this article.
August 1980: Gigiena i Sanitariia
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