Temat: chemiczne oczyszczanie wody - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Effect of polyaluminium chlorides overdosage on effectiveness of coagulation and filtration
Autorzy:: Gumińska, J.
Kłos, M.
Powiązania:: https://bibliotekanauki.pl/articles/207707.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: chemical water treatment
chlorine compounds
coagulation
manganese
manganese removal
water treatment
chemiczne oczyszczanie wody
związki chloru
koagulacja
mangan
usuwanie manganu
uzdatnianie wody
Opis:: PACls overdosage has negative impact on the operation and the effectiveness of coagulation and separation of post-coagulation suspensions. The results of the pilot study revealed that a sharp increase of fine particles was observed at reaching and exceeding the isoelectric point. Based on the full-scale research with PACl_1 (B = 2, 4) it was stated that these particles did not cause deterioration of standard quality parameters (turbidity, absorbance UV254, colour, TOC, CODMn) of water purified in conventional treatment. However, the particles not retained in sedimentation tanks supplied rapid filters and caused their overloading, and hence shortening of filtration cycles.
Źródło:: Environment Protection Engineering; 2015, 41, 1; 5-14
0324-8828
Pojawia się w:: Environment Protection Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Environmental contaminants of emerging concern: occurrence and remediation
Autorzy:: Prasad, Majeti Narasimha Vara
Elchuri, Sailaja V.
Powiązania:: https://bibliotekanauki.pl/articles/31342696.pdf
Data publikacji:: 2023
Wydawca:: Towarzystwo Chemii i Inżynierii Ekologicznej
Tematy:: contaminants of emerging concern
CECs
health hazards
chemical waste
disposal
sludge treatment
water treatment
bioremediation
engineered organisms
zagrożenie zdrowotne
odpady chemiczne
usuwanie odpadów
osad ściekowy
oczyszczanie wody
bioremediacja
organizmy inżynieryjne
Opis:: Certain contaminants are termed as emerging (Contaminants of Emerging Concern, CEC) since all aspects of these pollutants are not known and their regulation is not ununiform across the nations. The CECs include many classes of compounds that are used in various industries, plant protection chemicals, personal care products and medicines. They accumulate in waterbodies, soils, organisms including humans. They cause deleterious effects on plant animal and human health. Therefore, alternative greener synthesis of these chemicals, sustainable economic methods of waste disposal, scaling up and circular methods using sludge for removing the contaminants are innovative methods that are pursued. There are several improvements in chemical waste treatments using electro-oxidation coupled with solar energy, high performing recycled granular activated charcoal derived from biomass are few advances in the field. Similarly, use of enzymes from microbes for waste removals is a widely used technique for bioremediation. The organisms are genetically engineered to remove hazardous chemicals, dyes, and metals. Novel technologies for mining economically the precious and rare earth elements from e-waste can improve circular economy. However, there is additional need for participation of various nations in working towards greener Earth. There should be pollution awareness in local communities that can work along with Government legislations.
Źródło:: Chemistry-Didactics-Ecology-Metrology; 2023, 28, 1-2; 57-77
2084-4506
Pojawia się w:: Chemistry-Didactics-Ecology-Metrology
Dostawca treści:: Biblioteka Nauki

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