Classification and characterisation of SRF produced from different flows of processed MSW in the Navarra region and its co-combustion performance with olive tree pruning residues

Ramos, Raquel; Rivera, Jorge Arenales; Borjabad, Elena; Cuadrado, R. Escalada; Fernández, Manuel F.; Bados, Raquel; Delgado, Alfonso Pascual

doi:10.1016/j.wasman.2015.05.018

Cited by 47 publications

(11 citation statements)

References 36 publications

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“…China's existing MHW disposal methods are still mainly based on simple sanitary landfill and incineration, and the source separation of MHW, which plays a vital role in the waste recycling and utilization, is still in the preliminary implementation stage. Treating such a huge amount of waste by landfill and incineration will inevitably cause extensive environmental pollution, such as water and soil pollution and air pollution [3,4]. Source separation is an essential element of waste management to achieve high recycling rates [5].…”

Section: Introductionmentioning

confidence: 99%

Evolutionary Game Analysis on Behavioral Strategies of Government and Residents in Municipal Household Waste Separation

Zhang

Jian-hua

et al. 2021

Sustainability

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Municipal household waste (MHW) separation is a fundamental way to achieve waste reduction and a recycling economy. This study takes the positions of government and residents in MHW separation as the research object, and aims to explore the change process and influencing factors of their decision-making behavior, which is of great significance to attract residents to participate in MHW separation and establish an effective MHW separation mechanism to solve MHW pollution. This paper firstly establishes an evolutionary game model between government and residents in MHW separation; secondly, the payoff matrix of the system is determined, and the replication dynamic equations under different constraints are calculated to obtain the evolutionary stability strategy of the system, and the stability conditions are analyzed; Finally, through numerical simulation, the decision-making behavior of MHW separation and its influencing factors are studied, and the rationality of the model is verified. The results show that: (1) In the process of MHW separation, residents often choose not to separate without government regulation; (2) Environmental fee rates and government effort have great impacts on residents’ decision-making behavior; (3) The increase of penalty intensity can significantly drive residents to separate MHW; (4) The sensitivity of residents’ behavior decision to subsidy coefficient is the lowest among all the variables, and the incentive effect of increasing subsidy coefficient is not obvious. The research results can not only provide theoretical guidance for policy makers to develop waste management policies, but also provide valuable insights for local communities to guide residents’ MHW separation behavior.

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Section: Introductionmentioning

confidence: 99%

Evolutionary Game Analysis on Behavioral Strategies of Government and Residents in Municipal Household Waste Separation

Zhang

Jian-hua

et al. 2021

Sustainability

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“…The fluidized beds are sensible to bed material agglomeration, sintering and defluidisation, these problems may lead to total device failure [23]. A special care have to be taken when mixing WWS and waste, since their ash content can reach 30% mass fraction of dm to 40% mass fraction of dm [24,25]. The alkaline compounds are the most problematic species.…”

Section: Introductionmentioning

confidence: 99%

Co-gasification of wastewater sludge and different feedstock: Feasibility study

Akkache

Hernández

Teixeira

et al. 2016

Biomass and Bioenergy

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International audienceGasification experiments were performed for several feedstocks alone (wastewater sludge, waste wood, reeds, olive pomace, solid recovered fuel, paper labels and plastic labels) using a fixed bed reactor operating in semi-batch conditions. In order to combine them in an optimal gasifying blend, the gasification behavior of each feedstock was compared with that of wastewater sludge through the following criteria: the raw feedstock proximate and ultimate composition, the solid conversion, the gas heating value, the pollutants release and the ashes melting. Operated alone, the conversion rate of the feedstocks after 58 min of solid residence time was over 77% of initial mass. The Syngas low heating value produced at 1123 K was in the range of 9.0 to 11.9 MJ m À3. The major concerns regarding the wastewater sludge were the pollutants precursors' release (NH 3 , COS…) and the ash slagging and fouling. The calculated slagging and fouling indexes were high also for olive pomace and for waste wood. Finally, among the possible blends studied the paper labels and plastic labels can be co-gasified with secondary and digested wastewater sludge without any restriction, reeds and solid recovered fuel can be blinded with secondary wastewater sludge without any restriction, a specific attention have to be taken to fouling when they are blended with digested wastewater sludge. The blend based on waste wood and olives pomace should be avoided for instance due to their ash slagging and fouling tendency

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“…Typically, ash range in lignite is between 10 wt% and 50 wt% and volatile content varies between 35 wt% and 40 wt% (Mazumder, 2013). It is known that Environmental Research, Engineering and Management 2020/76/4 organic wastes have high volatile matter and low fixed carbon values (Iordanidis et al, 2017;Vasileiadou et al, 2017;Casado et al, 2016;Vamvuka and Sfakiotakis, 2011;Varol et al, 2010). The volatile matter for the CLOF sample is 65.11 wt% while the lignite sample has a value of 42.93 wt%.…”

Section: Combustion Characteristics Of Raw Materialsmentioning

confidence: 99%

Compost of Biodegradable Municipal Solid Waste as a Fuel in Lignite Co-combustion

Vasileiadou

Zoras

Dimoudi

et al. 2020

EREM

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In Greece, 5.8 million tons of municipal solid wastes (MSW) are produced annually, of which 2.47 million tons are bio-wastes. Composting is an alternative treatment of bio-wastes instead of landfill. Τwo composting plants operate in Greece, one in Ano Liossia (capacity 1,200 tons/day, producing 120 tpd compost) and another in Chania (capacity 70,000 tons/year, producing 20,000 tpa compost). In addition, since 2018, the first integrated waste management plant was set off in the region of Kozani (capacity 120,000 tons/year). An alternative utilization of the compost, produced in the latter plant, was investigated in this study. In particular, instead of using compost as fertilizer, the energy recovery from this bio-waste was attested. Utilization of compost of MSW for energy production purposes has rarely been studied in the literature. Several blends of compost with lignite were prepared and their energetic potential was determined. Proximate analyses and gross calorific value (GCV) determination were conducted. Wastes and biomass-based fuels differ in many ways from fossil fuels. The CLOF sample revealed the highest GCV and the lowest ash content than all analyzed samples. Based on all analytical determinations, compost and its mixtures with lignite could be regarded suitable for energy recovery by thermal processes, such us combustion. Further studies should be done including emission analysis, ash deposition during combustion (corrosion, slagging and fouling).

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Classification and characterisation of SRF produced from different flows of processed MSW in the Navarra region and its co-combustion performance with olive tree pruning residues

Cited by 47 publications

References 36 publications

Evolutionary Game Analysis on Behavioral Strategies of Government and Residents in Municipal Household Waste Separation

Evolutionary Game Analysis on Behavioral Strategies of Government and Residents in Municipal Household Waste Separation

Co-gasification of wastewater sludge and different feedstock: Feasibility study

Compost of Biodegradable Municipal Solid Waste as a Fuel in Lignite Co-combustion

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