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Tytuł:
Wpływ młynów wodnych na przekształcenia sieci hydrograficznej Wadowic i okolic
The impact of water mills on the transformations of hydrographic network of Wadowice
Autorzy:
Witkowski, Karol
Witkowski, Marcin
Powiązania:
https://bibliotekanauki.pl/articles/458094.pdf
Data publikacji:
2017
Wydawca:
Wadowickie Centrum Kultury im. Marcina Wadowity
Tematy:
water mills
hydrographic network
mill race
mill ponds
Opis:
The main goal of the research was to determine the impact of construction, functioning and liquidation of water mills on the hydrographic network of Wadowice and its surroundings. Another indirect purpose was to reconstruct the medieval river network from the period prior to the heyday of milling and indicate the remaining traces of the milling infrastructure. The research was conducted on the basis of analysis of historical sources and archival topographic maps. The origins of development of milling in Wadowice were dependent on the royal privileges. The first of them was issued in the 15th century. The mills in Wadowice were located on rivers Choczenka, Kleczanka and Dąbrówka, as well as on three artificial mill races, but never on river Skawa. The longest mill race began in Świnna Poręba, where it was supplied with water from Skawa. At the foot of Iłowiec, the mill race was supplied from Nawieśnica and Potok Zbywaczowski, whose course was modified. After merging with Dąbrówka, the mill race ran further parallel to Skawa and ultimately flowed to Choczenka. There were between 3 and 5 mills throughout the entire course of the artificial crosscut. Between 1 and 3 mills were situated at the watercourse which supplies the ponds in Wadowice and Tomice. The third mill race, which began in Kleczanka, powered 1 mill and flowed into Skawa after merging with Rokowski Potok. Due to the environmental conditions, the mills in Wadowice did not require construction of ponds. The mills in Wadowice were located on the basis of economic conditions. The natural conditions were not favourable for the functioning of hydraulic machines, which forced the construction and maintenance of artificial riverbeds. Water milling was subsequently liquidated due to the development of steam mills, and ultimately electric mills. In consequence of the decline of water mills, the maintenance works on mill races were abandoned. Some of the watercourses were backfilled, others were transformed into drainage ditches, whereas the mills in the town were included in the sewerage system. The shape of the former river network of Wadowice is now only reflected by few fragments of certain creeks.
Źródło:
Wadoviana. Przegląd historyczno-kulturalny; 2017, 20; 100-113
1505-0181
Pojawia się w:
Wadoviana. Przegląd historyczno-kulturalny
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The effectiveness of gas recovery systems for managing odour from conventional effluent treatment ponds in Palm oil mills in Malaysia
Autorzy:
Chung, Andrew Yap Kian
Qamaruz Zaman, Nastaein
Yaacof, Narushikin
Yusoff, Syafinah
Abd Manaf, Fatah Yah
Mohamed Halim, Rohaya
Abd Majid, Rusnani
Powiązania:
https://bibliotekanauki.pl/articles/396236.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
gas recovery systems
palm oil mill effluent
palm oil mills
effluent treatment
anaerobic ponds
reduce odour
reduced gas emission
systemy odzyskiwania gazu
ścieki palmowe
olejarnie palmowe
oczyszczanie ścieków
stawy beztlenowe
redukcja zapachów
redukcja emisji gazów cieplarnianych
Opis:
Gas recovery systems at palm oil mills enable the curtailment of uncontrolled greenhouse gas emissions from open anaerobic pond, but can also reduce odour, an aspect which has not yet been substantiated. The objective of this study is to evaluate the odour emission from palm oil mill effluent and the effectiveness of covers and tank digester in reducing odour emission from the open lagoons. Odour samples were obtained from the cooling ponds in conjunction with in-field odour assessment performed on site. Results demonstrated that odour released from open ponding or covered lagoon were almost comparable, ranging from 33,150 – 162,000 OU/m3, and 68,705 – 102,000 OU/m3, respectively. In contrast, odour emission from cooling pond which used tank digester system seemed markedly lower, ranging between 13,000 – 76,000 OU/m3. In fact, the analysis of ambient air close to anaerobic tank digesters proved a reduction of odour emission to the surroundings (with 3.5 OU/m3, weak intensity) compared to open pond (with 2700 OU/m3, strong intensity) or covered lagoon (with 111 OU/m3, distinct intensity). In conclusion, gas recovery systems at palm oil mills should be promoted not only towards the management of greenhouse gaseous, but also as an odour impact management strategy.
Źródło:
Civil and Environmental Engineering Reports; 2019, 29, 3; 70-85
2080-5187
2450-8594
Pojawia się w:
Civil and Environmental Engineering Reports
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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