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  1. 4 Krzywda D.
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1
Content available DCSNN optimized with hybrid Border Collie optimization and Archimedes optimization algorithms for solid waste prediction in Chennai
Vidya Soundarapandian, Janani Elangeswaran Srie Vidhya, Sreedevi B.
Environment Protection Engineering
|
2024
|
Vol. 50, nr 1
5--25
EN
The rapid growth of smart cities and industry causes an increase in waste production. The amount of municipal solid waste (MSW) increases by several factors, including population growth, economic status, and consumption trends. The inadequacy of basic trash data is a major issue for managing MSW. Numerous existing models based on solid waste prediction have been presented so far, but none of them predict solid waste accurately and also it consumes more time. To address these concerns, a deep convolutional spiking neural network for solid waste prediction (DCSNN-SWP) is proposed in this paper. Here, the real-time solid waste prediction data are gathered from the quantity of municipal corporation of Chennai (MCC), landfill, garden garbage, and coconut shell reports in Tamil Nadu (Chennai), such as Zone 9 (Nungambakkam), Zone 10 (Kodambakkam) and Zone 13 (Adyar). Then the collected solid waste data are pre-processed using the kernel correlation model. Then the pre-processing data is given to DCSNN-hybrid BCMO and Archimedes optimization algorithm which accurately predicts the solid waste as wet waste, dry waste, horticulture waste, and dumping yard for 2022-2032 years. The proposed DCSNN-SWP method has been implemented in Python.
2
Content available Towards circular cities – exploring the circular economy approach in context of municipal solid waste
Rivera Alejandro Guzman, Jarzębowski Sebastian, Romero León Katia, Bourlakis Michael
Gospodarka Materiałowa i Logistyka
|
2023
|
nr 3
50--61
EN
The objective of this research is to determine whether the city under investigation in a developing country is pursuing a "circular city" model based on various indicators and the city's current characteristics. The city under analysis was Xalapa, the capital city of the state of Veracruz in Mexico. To accomplish our research goals, we employed a qualitative methodology. We conducted interviews with the government representative responsible for municipal solid waste management during the designated period, as well as with the proprietors of the 18 most prominent private waste collection centers. Additionally, we obtained relevant information from the government through the transparency platform. For our assessment, we utilized the waste-focused indicators provided by L. Girard and F. Nocca. Our analysis indicates that the city under investigation is not on the trajectory towards adopting a "circular city" model. However, the context of municipal solid waste (MSW) offers valuable suggestions for future implementation of circular economy (CE) practices. The findings presented in this study offer valuable insights for researchers in other developing countries who are also engaged in exploring the issues discussed. Also, the lessons derived from this study hold relevance for cities in developing countries, as they grapple with environmental and economic degradation similar to the city studied.
PL
Celem tego badania jest ustalenie – na podstawie różnych wskaźników i obecnej charakterystyki miasta – czy badane miasto w kraju rozwijającym się realizuje model „miasta o obiegu zamkniętym”. Analizowanym miastem była Xalapa, stolica stanu Veracruz w Meksyku. Aby osiągnąć nasze cele badawcze, zastosowaliśmy metodologię jakościową. Przeprowadziliśmy wywiady z przedstawicielem rządu odpowiedzialnym za zarządzanie stałymi odpadami komunalnymi w wyznaczonym okresie, a także z właścicielami 18 najbardziej znanych prywatnych centrów zbiórki odpadów. Ponadto uzyskaliśmy odpowiednie informacje od rządu za pośrednictwem platformy przejrzystości. Do naszej oceny wykorzystaliśmy wskaźniki dotyczące odpadów dostarczone przez L. Girarda i F. Noccę. Nasza analiza wskazuje, że badane miasto nie znajduje się na ścieżce prowadzącej do przyjęcia modelu „miasta o obiegu zamkniętym”. Jednak kontekst stałych odpadów komunalnych (MSW) oferuje cenne sugestie dotyczące przyszłego wdrażania praktyk gospodarki o obiegu zamkniętym (CE). Wyniki przedstawione w tym badaniu oferują istotne spostrzeżenia dla badaczy w innych krajach rozwijających się, którzy również są zaangażowani w badanie omawianych zagadnień. Ponadto wnioski wyciągnięte z tego badania mają znaczenie dla miast w krajach rozwijających się, ponieważ zmagają się one z degradacją środowiskową i gospodarczą podobnie jak badane miasto.
3
Content available remote Geospatial indices as an alternative for environmental impact assessment of dumped waste
Mahmood Khalid, Iftikhar Wajiha, Faizi Fiza
Acta Geophysica
|
2023
|
Vol. 71, no. 1
309--322
EN
Urban municipalities throughout the world are facing grave challenge on the environmental front due to generation and mismanagement of massive amounts of municipal solid waste. This study focuses on the ecological damage caused by Municipal Solid Waste Open Dumps (MSWOD) in their vicinity. To study the adverse ecological impacts, satellite-based vegetation health indices and thermal measurements have been used as bio-thermal indicators to assess the deterioration of vegetation health and thermal heterogeneity around Mehmood Booti Municipal Solid Waste Open Dump in Lahore, Pakistan. Freely available satellite data and appropriate GIS techniques have been utilized to form basis of geospatial proximity analysis, making the approach efficient and economical. Zonal statistics and curve smoothing functions have been combined to prepare distance-dependent profiles that were subject to curve flattening technique for determination of impact range and severity in different seasonal conditions. Varying trends of high and low ranges for both indicators provide insight into factors other than main source of hazardous emissions, controlling bio-thermal conditions in the area as minor influencers. Similarly, role of meteorological variables in influencing waste decomposition and supporting vegetation health has also been distinguished. It has been discovered that the hazardous bio- and thermal influence zones around the study site have undergone expansion up to 761 m and 694 m, respectively, as compared to 650 m reported previously. Overall, the study supports the use of geospatial indicators to monitor and study environmental variables with a particular focus on emissions from MSWOD resulting from waste decomposition.
4
Content available remote Investigation of thermal decomposition and gases release from pre-drying municipal solid waste (PMSW) via pyrolysis technology
Jamro Imtiaz Ali, Khoso Salim, Shah Syyed Adnan Raheel, Ali Sadaquat, Ali Fahmeed, Hassane Haseeb Ul
Architecture Civil Engineering Environment
|
2022
|
Vol. 15, no. 4
119--131
EN
Present study investigates the thermal decomposition and syngas potential of pre-drying municipal solid waste (PMSW) via pyrolysis using thermo-gravimetric (TGA) analyzer coupled with the mass spectrometer (MS). The experiments were performed at the heating rates 5 and 15°C/min. Differential thermo-gravimetric (DTG) curves exposed four conversion phases at lower heating rate and two conversion phases at higher heating rate. MS analysis of the evolved gases H2, CO, and CH4 revealed that the devolatilization phase played a major role during the processes. Higher H2 generation was observed at a lower heating rate due to more contact among PMSW and process temperature. Higher CO and CH4 were also favored at lower heating rate. Total yield of gases was found higher due to higher CO generation. For the estimation of activation energy (Ea), Flynn-Wall-Ozawa (FWO) kinetic model was applied at the conversion rates (αα) ranged from 5-35. In overall, the lower heating rate supported the higher WMSW conversion as well as higher gas released during the process. Hence, this study will help to evaluate the H2 potential of the PMSW using pyrolysis thermal technology.
5
Content available remote Features of municipal waste management in the context of sustainable development in the countries with high GNI per capita and lower middle GNI per capita on the example of Finland and Ukraine
Pavliuk Nonna, Matyukhina Oleksandra
Architecture Civil Engineering Environment
|
2021
|
Vol. 14, no. 1
95--106
EN
The paper discusses ways to implement in Ukraine one of the important tasks of the sustainable development strategy - minimization and rational use of waste. The concept of a circular economy is analyzed in terms of using the material and energy potential of waste on the example of countries with high Gross National Income (GNI) per capita (Finland) and countries with lower middle GNI per capita (Ukraine). The features of the municipal solid waste management optimization in Finland and Ukraine are highlighted. It is noted that the concerns about the municipal solid waste management have reached the state level and are provided with targeted national programs and action plans. The dynamics of generation and treatment of solid municipal waste in Finland in 2009-2018 and Ukraine in 2013-2019 is analyzed. The main attention in Ukraine is paid to the implementation of the European system of municipal waste management. The paper emphasizes that an important condition for the implementation of state and municipal programs for waste recycling is the study of the socioeconomic potential of the population and the contribution fractions of waste for the organization of the separate collection of waste components and creation an appropriate infrastructure. Under current situation, sensitization work with the population to increase the level of their environmental awareness and promote active participation in the implementation of municipal waste management programs is shown to be of great importance for Ukraine.
6
Content available remote The comparative analysis of municipal solid waste management in the eight cities of Ukraine
Pavliuk Nonna
Architecture Civil Engineering Environment
|
2019
|
Vol. 12, no. 1
155--161
EN
A simplified solid waste management system has existed for many years in Ukraine being. The system factually coming to MSW collection and their removal to landfills and dumps. This has resulted in accumulation of 223 million tons MSW on territory of more than 8.5 ha. Signing on 27th June 2014 EU-Ukraine Association Agreement obliged Ukraine to approximate legislation to EU demands in the Field of Waste Management [1]. On 8th November 2017 National Waste Management Strategy has been accepted for this purpose binding until 2030 [2]. This paper makes a comparative study of Municipal Solid Waste (hereinafter referred to as MSW) Management in Ukraine. This paper represents the analysis of the waste composition from the eight cities from different regions of Ukraine. The comparative analysis takes into account dependence of the amount and waste composition on income and population level. The approaches of the World Bank basic report are used in this study [3]. The study reveals prospects for development of techniques on material and energy use of MSW potential in Ukraine.
7
Bilans energii spalarni stałych odpadów komunalnych w Białymstoku
Żukowski M., Kietlińska J.
Ciepłownictwo, Ogrzewnictwo, Wentylacja
|
2017
|
T. 48, nr 12
491--496
PL
Artykuł dotyczy zagadnień związanych z eksploatacją spalarni stałych odpadów komunalnych. Głównym celem pracy było sporządzenie bilansu energii tego rodzaju zakładu. Obiektem badań był Zakładu Unieszkodliwiania Odpadów Komunalnych w Białymstoku, który rozpoczął funkcjonowanie od początku 2016 roku. Wyniki obliczeń pokazały, że w ciągu ubiegłego roku w spalarni zutylizowano 106 tys. ton śmieci. ZUOK wyprodukował 211 316 GJ energii elektrycznej oraz 328 538 GJ ciepła. Sprawność termicznej utylizacji odpadów wynosiła około 74% w sezonie grzewczym. Poza tym okresem sprawność spadła do wartości około 46% w wyniku znacznego spadku zapotrzebowania na ciepło.
EN
The article concerns the issues related to the operation of an incineration plant for municipal solid waste. The main aim of this work was to develop an energy balance of this type of waste- to-energy plant. The object of the study was the Municipal Waste Disposal Plant in Białystok, which has been in operation since the beginning of 2016. The results of the calculations show that 106,000 tonnes of waste was disposed of last year at the incineration plant. ZUOK produced 211 316 GJ of electricity and 328 538 GJ of heat. The efficiency of thermal utilization of municipal solid waste was about 74% during the heating season. Over the rest of the year the efficiency decreased to 46% due to a significant decrease in heat demand.
8
Content available Recykling energetyczny odpadów komunalnych frakcji RDF metodą pirolizy ciągłej
Malinowski A., Chwiałkowski W.
Chemistry, Environment, Biotechnology
|
2017
|
Vol. 20
27--33
PL
W pracy przedstawiono wyniki badań procesów pirolizy odpadów komunalnych frakcji RDF metodą pirolizy ciągłej. Badaniom poddano próbki RDF lekkiego (folie) oraz RDF ciężkiego (odpady opakowaniowe). Proces pirolizy ciągłej prowadzono w temperaturze 850°C, w pilotażowym reaktorze pirolitycznym wyposażonym w spiralę grzejną. Podczas badań określono skład gazu pirolitycznego oraz bilans masowy produktów pirolizy. Uzyskano gaz pirolityczny o wartości opałowej około 13 MJ/m3 i zawartości CH4 około 20%obj. oraz H2 na poziomie ponad 16%obj. Wyniki badań wskazują na możliwość skojarzenia procesu pirolizy odpadów komunalnych z recyklingiem energetycznym i zastosowaniem gazu pirolitycznego jako alternatywnego źródła energii wykorzystywanego do produkcji energii elektrycznej. Uzyskany gaz pirolityczny może być alternatywnym paliwem do zasilania turbiny gazowej lub wykorzystany w kogeneracji zamiast gazu ziemnego.
EN
This paper presents results from continuous pyrolysis process of RDF fraction from municipal waste. Samples used in this research were light RDF (plastic films) and heavy RDF (packaging waste). Pyrolysis process was performed inside a pilot pyrolysis reactor equipped with a heating screw in temperature of 850°C. Experiment allowed to determine a chemical composition of pyrolysis gas and mass balance of pyrolysis products. Lower heating value of pyrolysis gas was about 13 MJ/m3 , content of CH4 was about 20%vol and H2 was over 16%vol. Research results indicate possibility to combine the pyrolysis process of solid municipal waste with energy recycling and waste-to-energy system by using pyrolysis gas as renewable energy source for electricity production. Produced pyrolysis gas can be used, instead of natural gas, as an alternative fuel to power a gas turbine or cogeneration unit.
9
Content available remote Macromodelling of fermentation process of municipal solid organic waste at biogas plants on the acidogenesis stage
Hural I., Dyvak M., Stakhiv P.
Journal of Applied Computer Science
|
2016
|
Vol. 24, nr 1
17--35
EN
In this work the task of modeling processes of anaerobic microbiological fermentation with keeping the balance on the stages of hydrolysis and acidogenesis was considered. It was proposed and justified to build the model at the stage of acidogenesis in the form of interval difference operator (IDO). The structure identification method of IDO on the principles of honey bee colony functioning in the food search process, which provides the possibility of obtaining simple IDO structures with specified prognostic properties relative to existing methods, was substantiated.
10
Content available Temperature Distribution Measurements in the Gyál MSW Landfil
Magyar T., Faitli J.
Inżynieria Mineralna
|
2016
|
R. 17, nr 2
183--190
EN
Mixed municipal solid waste (MSW) landfills can serve as energy sources, because the temperature inside of them is high for a long time period. There are many mechanical, chemical and biological processes taking place simultaneously. Probably, there are aerobic and anaerobic biological decomposition taking place simultaneously because the average temperature can be higher than 40ºC for decades. The inside operation of the heterogeneous MSW landfills is a really complex phenomenon. For the better knowledge about the operation of MSW landfills as bioreactors more measured data is necessary. For this reason a temperature, leachate and landfill gas monitoring system was installed into the Gyál (Hungary) MSW landfill. One hundred temperature sensors were installed into ten 16 m depth monitoring wells. Since two years temperature data has been red weekly. This data base is now available for analysis. The temperature monitoring wells were drilled into four different landfill sections. The deposition time of the waste is different in the different landfill sections. Exponential temperature increase can be observed at the young waste section and almost constant or decreasing temperature tendency at the older ones. Characterising temperature – time functions were determined by simple curve fitting. The vertical temperature distribution in the monitoring wells was also analysed.
PL
Zmieszane stałe odpady komunalne (MSW) zdeponowane na składowisku mogą służyć jako źródło energii, ponieważ temperatura wewnątrz składowisku utrzymuje się przez dłuższy czas na wysokim poziomie. W składowisku zachodzi jednozcesnie wiele procesów mechanicznych, chemicznych i biologicznych. Procesy rokładu biologicznego tlenowe i beztlenowe mogą zachodzić równocześnie gdyż średnia temperatura może być wyższa niż 40°C przez dziesiątki lat. Zjawiska zachodzace wewnątrz skladowisk odpadów zmieszanych są bardzo złożone. W artykule przedstawiono wyniki badań nad funkcjonowaniem składowiska odpadów komunalnych Gyál (Węgry). Zainstoalowano system monitoringu temperatury, odcieków i gazu wysypiskowego. Sto czujników temperatury zainstalowano w dziesięciu studiach o głębokości 16 m rozlokowanych w czterech sekacjach składowiska. Monitoring prowadzono w ciągu dwóch lat zbierając dane raz na tydzień. Uzyskana baza danych została poddana analizie. Czas składowania jest różnych dla różnych sekcji składowiska. Obserwuje się gwałtowny wzrost temperatury na początku składowania, przedstawiono krzywe zmiany temperatury w czasie a także zmiany temperatury z głębkokością studzienek.
11
Zarys ekologistycznych warunków transportu stałych odpadów komunalnych w warunkach Polski, Islandii i Finlandii
Ciosmak M.
Logistyka
|
2015
|
nr 6
1010--1015, CD
PL
W pracy zostały omówione najważniejsze zagadnienia gospodarowania odpadami w trzech państwach: Polsce, Islandii i Finlandii. Dokonano próby oceny warunków ekologistycznych związanych ze sposobami realizacji transportu odpadów stałych komunalnych, w aspekcie ochrony środowiska naturalnego. Autorka podjęła także próbę prognozowania, w jakim kierunku powinna rozwijać się sfera gospodarowania odpadami komunalnymi i systemy logistyczne. W opracowaniu zagadnienia wykorzystano informacje literaturowe, a także spostrzeżenia poczynione podczas wyjazdów ramach programu UE Leonardo da Vinci pt. Go Green Across Europe, do Islandii w 2014r. i Finlandii w 2015 roku.
EN
The aim of this paper was to forecast main directions and present situation of the municipal solid waste management. It was based on such ecologistic management in Poland, Island and Finland. Paper presents different methods processed and working in these countries. Also tries to connect the best of them, both Islandic and from Finland.
12
Content available Otrzymywanie lotnych kwasów tłuszczowych oraz wodoru z frakcji organicznej stałych odpadów komunalnych
Grzelak J., Ślęzak R., Krzystek L.
Inżynieria i Aparatura Chemiczna
|
2015
|
Nr 4
157--158
PL
W pracy zbadano wpływ początkowej ilości ładunku organicznego oraz pH na produkcję lotnych kwasów tłuszczowych i profil wyprodukowanych gazów. Najwyższe stężenie lotnych kwasów tłuszczowych odnotowano dla początkowej zawartości materii organicznej wynoszącej 8,8 oraz 13,4 gsmo/dm3. Stwierdzono także, że przy najwyższej badanej zawartości materii organicznej wyprodukowana została największa ilość wodoru (13,4 gsmo/dm3). Wykazano ponadto, że przy pH 6,5 uzyskano najwyższą produkcję LKT. Jednakże, najbardziej korzystny profil wodoru stwierdzono dla pH 4,5÷5,5.
EN
In the presented study the effect of the initial amount of the organic load and pH for the production of volatile fatty acids and the profile of produced gases was investigated. The highest concentration of volatile fatty acids was noted for the initial organicmatter content of 8.8 and 13,4 g/dm3. It was also found that at the higest organic matter content there was the largest amount of hydrogen detected (13,4 g/dm3). It was also shown that at pH 6.5 the process gave the highest production of VFA. However, the most favorable profile of hydrogen was found at pH range of 4,5÷5,5.
13
Content available Urban solid waste landfill selection by SDSS. Case study: Hamadan
Kahvand M., Gheitarani N., Khanian M., Ghadarjani R.
Environment Protection Engineering
|
2015
|
Vol. 41, nr 2
47--56
EN
One of the major problems human beings are confronted with in urban setting is the removal of urban waste. This problem has persuaded the urban authorities to use various tools such as Geographic Information System (GIS) to locate landfills. To do that, Sloan Digital Sky Survey (SDSS) has been used in which or multi-criteria decision making (MCDM) methods and GIS are combined. The selection of the burial place and landfill has great importance and different criteria must be considered. SDSS, using MCDM is able to investigate locating landfill using various criteria simultaneously and it determines its importance. This research aims at presenting suitable solution through using computer and GIS related to solid urban waste and their locating in Hamadan based on standard criteria. A comprehensive model based on GIS, to get the suitable burial place and landfill can help to save time and cost. The model of locating burial place of urban solid waste has been presented.
14
Content available The role of compost properties in sorption of heavy metals
Martinho J., Campos B., Brás I., Silva E.
Environment Protection Engineering
|
2015
|
Vol. 41, nr 2
57--65
EN
The feasibility of various composts to operate as sorbents for heavy metals (Cu and Zn) removal from wastewater has been evaluated. Three commercial composts obtained from municipal solid wastes (MWS), sludge sewage (SS) and poultry manure (PM) were selected as potential sorbents. Kinetic and equilibrium tests were conducted in order to assess the equilibrium conditions to remove metals from aqueous samples. For all composts, the maximum time necessary to reach the equilibrium was 240 min. The Freundlich and Langmuir isotherm models were found to fit the sorption data. The SS compost proved to be the one with highest removal capability for both assessed metals, while MWS compost showed to be the less suitable for this purpose. These results can be explained in terms of the compost surface properties, namely, with the cation exchange capacity.
15
Content available Municipal solid waste generation, composition and management: Issues and challenges. A case study
Ahsan A., Alamgir M., Imteaz M., Shams S., Rowshon M. K., Aziz M. G., Idrus S.
Environment Protection Engineering
|
2015
|
Vol. 41, nr 3
43--59
EN
Khulna is the third largest metropolitan city in Bangladesh and a centre with intensive commercial and industrial activities. Rapid urbanization and increased migration of people from rural and coastal areas has put tremendous pressure on its existing solid waste management. The status of the existing municipal solid waste (MSW) management tiers such as generation, source storage, collection, on-site storage, transportation, and open dumping has been identified in this study. The daily generation of MSW is estimated as 520 Mg, of which food and vegetable wastes are the main components (79% on average). The major source of generated MSW is residential areas, which is 85.87% of total generation, whereas 11.60% in commercial areas, 1.02% in institutional areas, 0.55% in street sweeps and 0.96% in other areas. About 50% of total generated waste is disposed daily to the dumping site and the rest remains uncollected and unmanaged. Non-governmental organizations and community based organizations play an important role in primary collection, composting of organic wastes and medical waste management.
16
Content available Impact Of Aerobic Biostabilisation And Biodrying Process Of Municipal Solid Waste On Minimisation Of Waste Deposited In Landfills
Dziedzic K., Łapczyńska-Kordon B., Malinowski M., Sikora J., Niemiec M.
Chemical and Process Engineering
|
2015
|
Vol. 36, nr 4
381--394
EN
The article discusses an innovative system used for aerobic biostabilisation and biological drying of solid municipal waste. A mechanical–biological process (MBT) of municipal solid waste (MSW) treatment were carried out and monitored in 5 bioreactors. A two-stage biological treatment process has been used in the investigation. In the first step an undersize fraction was subjected to the biological stabilisation for a period of 14 days as a result of which there was a decrease of loss on ignition, but not sufficient to fulfill the requirements of MBT technology. In the second stage of a biological treatment has been applied 7-days intensive bio-drying of MSW using sustained high temperatures in bioreactor. The article presents the results of the chemical composition analysis of the undersize fraction and waste after biological drying, and also the results of temperature changes, pH ratio, loss on ignition, moisture content, combustible and volatile matter content, heat of combustion and calorific value of wastes. The mass balance of the MBT of MSW with using the innovative aeration system showed that only 14.5% of waste need to be landfilled, 61.5% could be used for thermal treatment, and nearly 19% being lost in the process as CO2 and H2O.
17
Content available Comparative analysis of municipal solid waste systems: Cracow case study
Stypka T., Flaga-Maryańczyk A.
Environment Protection Engineering
|
2013
|
Vol. 39, nr 4
135--153
EN
The evaluation method to compare municipal solid waste management (MSWM) systems has been presented. The results of the integrated waste management model (IWM-1), were used as the input data for the analysis. The results were integrated into life cycle analysis LCA impact categories. The authors present possible to calculate categories, and calculate them for the two MSWM scenarios. Next, the system performance was compared using a multicriteria method, called analytic hierarchy process (AHP). The hierarchical preference analysis on the World Wide Web software Web HIPRE) was applied to conduct the analysis. The criteria ratios for the AHP were assumed arbitrarily based on the best knowledge of the authors. Finally, the presented sensitivity analysis showed the confidence of the obtained results and pointed out the most important assumptions of the whole analysis. The two Cracow MSWM systems were used as a case study.
18
Procesy logistyczne w gospodarce stałymi odpadami komunalnymi
Krzywda D.
Logistyka
|
2012
|
nr 2
PL
Celem artykułu jest przedstawienie obszarów w gospodarce stałymi odpadami komunalnymi, w których zachodzą procesy logistyczne. Odpady stałe komunalne stanowią specyficzny rodzaj przedmiotu przepływu. Ta specyfika znajduje swoje odzwierciedlenie w procesach logistycznych. Dwa najważniejsze procesy logistyczne – transport i magazynowanie – przebiegają tu w sposób odmienny niż w tradycyjnych kanałach logistycznych.
EN
The aim of this paper is to present the areas of the municipal solid waste management in which the logistics processes occur. Municipal solid waste are the specific type of the flow object. This specificity is reflected in logistics processes. The two most important logistics processes - transport and storage – are conducted here differently than in the traditional logistics channels.
19
Content available remote Co-digestion of sewage sludge and organic fraction of municipal solid waste. A comparison between laboratory and technical scales
Lebiocka M., Piotrowicz A.
Environment Protection Engineering
|
2012
|
Vol. 38, nr 4
157--162
EN
The effect of adding of the organic fraction of municipal solid waste (OFMWS) on the anaerobic digestion of municipal sewage sludge (SS) has been examined. Research on a laboratory scale showed that the 75:25 ratio by volume of SS to OFMWS is the recommended limiting value which ensures effective co-fermentation and intensification of biogas production. Biogas production on the technical scale was significantly lower in comparison to that on the laboratory scale which could be the result of lower digester loads in the technical environment.
20
Struktura podmiotowa gospodarki stałymi odpadami komunalnymi a procesy logistyczne
Krzywda D.
Logistyka
|
2011
|
nr 6
PL
Celem artykułu jest przedstawienie procesów logistycznych zachodzących w gospodarce stałymi odpadami komunalnymi oraz ich wzajemnych powiązań. W pierwszej części, omówiono strukturę podmiotową gospodarki odpadam regulowaną odpowiednimi przepisami, którą tworzą instytucje i osoby fizyczne. W drugiej części pokazano, jakie procesy logistyczne występują w obrębie danego podmiotu i w jaki sposób są one ze sobą powiązane.
EN
The main goal of this paper is the presentation of logistics processes occurring in the management of municipal solid waste together with their interrelationships. The first part discusses the party structure of waste management regulated by relevant law, which is made by the institutions and individuals. The second part shows the logistics processes within the given party and how they are interrelated.
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