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Wyświetlanie 1-4 z 4
Tytuł:
Water management problems at the Bukówka drinking water reservoir’s cross-border basin area in terms of its established functions
Autorzy:
Wiatkowski, M.
Rosik-Dulewska, C.
Powiązania:
https://bibliotekanauki.pl/articles/124624.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
drinking water reservoir
water management
cross-border basin area
water quality
Opis:
The paper covers the analysis of water management problems in the cross-border reservoir basin of Bukówka, located at the Bóbr river, at 271+540 km of its course, below the Czech-Polish border, in Dolnośląskie Voivodeship. The problems of water management in the context of the reservoir’s functions have been analyzed; these are: flood control, the provision of water during low water level periods for the Water Treatment Plant in Marciszów, the provision of drinking water for the city of Wałbrzych as well as the provision of proper flow in the Bóbr river bed downstream from the reservoir. Due to its localization right below the border with the Czech Republic, the reservoir is exposed to a number of problems. The study has found that the main problems of water management in the basin area included unsatisfactory state of water and wastewater management in the basin, unsatisfactory state of the surface water quality in the basin area of the reservoir, poor condition of streams and drainage ditches, improper arrangement of arable lands and large downslopes and a lack of monitoring stations on tributaries of the reservoir. It has been found that the hydrochemical conditions in the Bukówka reservoir’s section are unfavorable for it. From the eutrophication point of view, the water flowing into the tank is characterized by a large content of nutrients, especially nitrates, phosphates and BOD5. In order to counteract eutrophication it is necessary to lower the concentration of nutrients in the water flowing into the tank. One of the basic ways to do so is to restore the water and wastewater management in the reservoir’s basin. Studies in the Bukówka reservoir provide important information concerning the state of the purity of the water supplying the reservoir. In order to obtain accurate information on the state of purity, a monitoring of hydrological and water quality should be continued. The studies are a part of the strategy of protection of the quality of transboundary waters, proposed in the Convention on the Protection and Use of Transboundary Watercourses and International Lakes of 1992.
Źródło:
Journal of Ecological Engineering; 2015, 16, 2; 52-60
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Homemade Slow-Action Fertilizers, as an Economic Solution for Organic Food Production
Autorzy:
Ciesielczuk, T.
Poluszyńska, J.
Rosik-Dulewska, C.
Powiązania:
https://bibliotekanauki.pl/articles/952484.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
fertilizer
coffee
biomass ash
tansy
manure
organic cultivation
Opis:
Organic plant cultivation, especially those intended for human consumption, poses new requirements for gardening. It is recommended to use organic slow-action fertilizers, which provide doses of nutrients essential for plants for a long time. Particularly valuable fertilizers are those that arise within the household, due to their high quality and the absence of costs associated with their purchase and transport. Organic matter contained in the food industry waste or arising in households, in the absence of contamination by other types of waste, can be used for self-production of organic fertilizer. The paper presents the results of testing organic fertilizers, which you can make yourself, destined for the cereal plants. The experimental fertilizers were made from coffee spent grounds (CSG) and ash from the thermal conversion of biomass (A), and the components limiting the amount of pests in the form of leaves and flowers of tansy (Tanacetum vulgare L.). The fertilizer can be used at the time of planting and sowing, because of the slow release of nutrients. Moreover, the addition of leaves and flowers of tansy helps to protect the seedling due to the content of essential oils. As a comparison, the horse manure and rabbit droppings fertilizers were used. Such fertilizers can be prepared independently, which leads not only to reducing the weight of biodegradable and mineral waste, but also provides the ability to generate financial savings of the household and promote organic gardening. Fertilizers made from a mixture of CSG and A support the implementation of good agricultural practice and sustainable development.
Źródło:
Journal of Ecological Engineering; 2017, 18, 2; 78-85
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Dynamic of Components Leachate from Experimental Fertilizers in Leaching Test
Autorzy:
Ciesielczuk, T.
Poluszyńska, J.
Szewczyk, A.
Rosik-Dulewska, C.
Sporek, M.
Powiązania:
https://bibliotekanauki.pl/articles/124470.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
nutrients
leaching
slow-release fertilisers
solvent extraction spent coffee grounds
sustainable fertilisation
Opis:
Organic matter contained in the waste of food industry or occurring in the households, in the absence of contamination with other kind of waste, may be used to create a “fertiliser”, which could be even reused in the organic production of arable crops. Particular attention is drawn to the fertilisers which may be applied in the case of amateur cultivation of pot plants and in the allotment gardens. The paper presents the results of research regarding the dynamics of the release of nutrients from tablets created with the help of encapsulation of the mixture manufactured from solvent extraction waste of coffee (SCG), modified by the ash obtained from low temperature burning of biomass. In this study, the mixture was determined as a fertilizer. Collagen, polyvinyl acetate, polyvinyl alcohol, shellac as well as sodium water glass have been applied as testing membranes in order to slow down the elution of the components from a fertilizer into solution. The durability tests have been carried out according to PN-EN-13266 standard over 118 days at the temperature of 25°C. The obtained results indicate significant differentiation with regard to the leaching of nutrients and organic matter from the tablets depending on the applied membrane. Strong inhibition concerning leaching of the components through membranes and from shellac and polyvinyl acetate has been observed. The remaining membranes did not inhibit the leaching of nutrients in the long-lasting manner; however, even they may be applied in the agricultural practice.
Źródło:
Journal of Ecological Engineering; 2018, 19, 2; 194-203
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ashes from Sewage Sludge and Bottom Sediments as a Source of Bioavailable Phosphorus
Autorzy:
Ciesielczuk, T.
Rosik-Dulewska, C.
Poluszyńska, J.
Ślęzak, E.
Łuczak, K.
Powiązania:
https://bibliotekanauki.pl/articles/125013.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
phosphorus
bioavailability
ash
sewage sludge
bottom sediments
extraction
Opis:
Phosphorus is an element necessary for the growth of plants. As phosphate rock gets depleted, it becomes an increasingly scarce resource. Therefore, it seems necessary to implement simple methods of cheap and effective phosphorus recovery from waste. The ashes of municipal sewage sludge and bottom sediments constitute particularly valuable sources of phosphorus. However, these materials usually carry significant amounts of pollutants, including heavy metals. Optimization of ash phosphorus sequential extraction methods from a thermal conversion of sewage sludge and bottom sediments allows to select an effective and simple technology of phosphorus recovery, while maintaining low heavy metal pollution, which is one of the main restrictions in use of ashes. Determination of an amount of bioavailable phosphorus is therefore a basis for estimation of the possibility of using it from waste. Extraction using the Golterman method or shaking out with calcium lactate or Trougs reagent indicates that the ashes from sewage sludge and bottom sediments are rich sources of bioavailable phosphorus, which could find use under field conditions as a viable alternative to fertilizers containing fossil phosphorus.
Źródło:
Journal of Ecological Engineering; 2018, 19, 4; 88-94
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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