This thesis explores the potential of the pyrolysis process to treat the unsegregated msw. Fast pyrolysis of organic wastes has the potential to reduce gaseous emissions and particulate matter compared to waste incineration. Municipal solid waste can be converted to gas, liquid and solid products by pyrolysis. Wastetoenergy options in municipal solid waste management giz. Biochar and pyrolytic gas properties from pyrolysis of simulated municipal solid waste smsw under pyrolytic gas atmosphere.
It is one of the most effective method of reducing the volume and weight of municipal solid waste. Extraction of energy from municipal solid waste msw would be an initiative towards solving both the problems. This book is written to serve the needs of under graduate students embarking introductory course in municipal solid waste management. Gas, liquid, and solid products were analyzed by gas chromatograph and elemental analysis. Foreign use of pyrolysis treatment of solid waste has reached industrial scale, although there are still some problems, but practice shows that this is a promising method of solid waste disposal. Pdf laboratory scale pyrolysis of organic fraction and. Advanced thermal treatment of municipal solid waste. The supply chute is equipped with a number of pusher units which are capable of pushing. Municipal solid waste msw to liquid fuels synthesis. Production of biooil from municipal solid waste by pyrolysis.
Municipal solid waste msw represents an attractive feedstock with yearround availability, an established collection infrastructure paid for by waste generators, low cost, and the potential to be blended with higher cost feedstocks to reduce overall feedstock costs. Potentials of pyrolysis processes in the waste management. Jun 22, 2001 pyrolysis of tetra pack in municipal solid waste. Combustible gaseous products from pyrolysis of combustible fractions of municipal solid waste buah, w. Tursunov, by using zeolite and calcined dolomite as catalysts, and the temperature range of 200750 c in the downstream fixed bed reactor was analyzed. It is important to investigate the pyrolysis processes of municipal solid waste msw in the same way as for any mixture comprised of multiple subst. Suriya, suchitra publications the book municipal solid waste management for engineering and technology studies.
Gasificationpyrolysis with municipal solid waste youtube. August, 20 updated september 20 printed on recycled paper. Pyrolysis is seen as emerging waste toenergy techniques to handle increasing waste generation, which produces useful end products such as pyrolysis oil, gases and char. Burning and landfilling make this problem much worse. Studies on the pyrolysis behavior of gasification and melting. Combustible gaseous products from pyrolysis of combustible. Life cycle evaluation and economic considerations of the. Abstract municipal solid waste msw sample was pyrolysed under inert atmosphere of nitrogen in a static bed pyrolysis reactor, heated at a controlled rate of 10 oc min1 to a final temperature of. In order to recover valuable pyrolytic oils, mixed municipal solid waste was pyrolyzed in a fluidized bed reactor. Experimental studies on municipal solid waste and biomass pyrolysis. Municipal solid waste msw was converted into highgrade solid fuels biochar and gaseous product via thermal pyrolysis under pyrolytic gas atmosphere. Figure 1, the united states produced more than 260. Life cycle evaluation and economic considerations of the pyrolysis gasification of municipal solid waste in singapore h. The commonly used pyrolysis reactors are rotary kilns, rotary hearth furnaces, and fluidized bed furnaces.
Typically, the feed was a mixture of 50% shredded newspaper, 5% wocd waste, 3% polyethylene plas tics, 10% crushed glass, 8% steel turnings and 24% water. Gasification and pyrolysis of municipal solid waste msw. Treatment of solid waste by pyrolysis and gasification. Gasification of nonrecycled plastics from municipal solid waste in the united states prepared for. Some of the main advantages of gasification of municipal solid waste are. Municipal solid waste collected mainly from households consists of plastics, paper, metals, textiles. Sc energy a thesis submitted to cardiff university for the degree of doctor of philosophy in mechanical engineering cardiff school of engineering.
Pdf on aug 16, 2019, s i hammoodi and others published thermal pyrolysis of municipal solid waste msw find, read and cite all the research you need on researchgate. Pyrolysis has been examined as an attractive alternative to incineration for municipal solid waste msw disposal that allows energy and resource recovery. The pyrolysis kinetics experiments for the tetra pack and its. Energy from waste efw technologies are beneficial for both energy generation and as a waste management option. Municipal solid waste was pyrolyzed in a tubular reactor under vacuum. By pyrolysis of hunicipal solid yaste final j report barbercolman co. Pyrolysis of solid wastes a n e rahman, m a khaleel akmal and k b s prasad indian institute of chemical technology, hyderabad 500 007, india received. Pdf study of the pyrolysis of municipal solid waste for. Potential of pyrolysis processes in the waste management sector.
Pyrolysis of municipal solid waste in a fluidized bed for. Pdf production of biooil from municipal solid waste by. Biomass is a renewable energy resource that can be converted into liquid fuel suitable for transportation applications and thus help meet the energy independence and security act renewable energy goals u. Engdahl consultant retired columbus, ohio the dual bed reactor described here appears to come closer to practical pyrolysis of msw than any of the many.
In this study, both experimental investigations and theoretical simulations are carried out to identify the partitioning of heavy metals between the gaseous phase and solid fractions during pyrolysis, gasification, and incineration of simulated msw. The gas produced by pyrolysis of msw is in the range of 4957 mol%. Study of the pyrolysis of municipal solid waste for the production of valuable products. Pilotplant tests were conducted on simulated solid waste. Green conversion of municipal solid wastes into fuels and chemicals. Incineration msw is burnt in a properly designed furnace under suitable temperature and operating conditions. Municipal solid waste msw in the united states is simultaneously a significant disposal problem in many locations and a potentially valuable resource. The fundamentals of pyrolysis, its latest developments, the different conditions of the process and its. This paper provides an overview of the principal technologies that are being used to convert msw to salable products and delves deeply into the potential for facilities that. Due to the complexity in composition of msw the exact mechanism of pyrolysis is not known. The pyrolysis gas of municipal solid waste msw was studied, by o. The tgdtg results presented the different pyrolysis behaviors of each.
It was established that the yield and composition of the products recovered depended on temperature. A sustainable pyrolysis technology for the treatment of municipal solid waste in malaysia conference paper pdf available in aip conference proceedings 21241. The msw pyrolysis under microwave irradiation highly depends on the process parameters, like microwave power. Pyrolysis is considered to be one of the sustainable solution that may be economically profitable in large scales and minimise environmental concerns especially in terms of waste minimization carbon sequestration soil amendment energyheat supply value added chemicals development of rural areas.
Analysis of emissions from combusting pyrolysis products. Abstract fixed bed pyrolysis experiments have been conducted on waste cotton scrap materials for converting into fuel form. A wide variety of pyrolysis plant in municipal solid waste options are available to you, such as type. Pyrolysis and gasification of cotton scrap materials as a. The conventional mass burn systems for municipal solid waste msw emit large amount of acidic gases and dioxins as well as heavy metals due to the large excess air ratio. Municipal solid waste msw on the other hand is readily. Chuoku, tokyo, japan abstract funabashi citys municipal solid waste pyrolysis plant is the first fullscale plant having a dual fluidized bed gasification system. Pyrolysis characteristics and kinetics of municipal solid. However, biomass is not always available in sufficient quantity at a price compatible with fuels production. Pdf a sustainable pyrolysis technology for the treatment. Slow pyrolysis can yield good quality charcoal using low temperature and low heating. Technologies for generating energy, gas and chemicals from msw, biomass, nonrecycled plastics, sludges and wet solid wastes explores the most recent gasification technologies developing worldwide to convert waste solids to energy and synthesis gas and chemical products. Pyrolysis technology of solid waste is heat the waste more than 500. Thermogravimetric kinetic study of the pyrolysis of.
Based on tga results, pyrolysis experiments are carried out in a semibatch reactor under inert nitrogen atmosphere. Waste gasification and pyrolysis technology risk assessment 5 risks and challenges technology risks and operational challenges decades of attempts to apply gasification, pyrolysis, and plasma arc to municipal waste have exposed the underlying complications with this approach, as evidenced by the high failure rate of these plants. Moisture was concentrated in the watersoluble phases 39. The impact of pressure, moisture and temperature on. Pyrolysis of municipal solid waste mcintyre 1974 the.
Treatment of solid waste by pyrolysis and gasification process. Optimisation and modelling of pyrolysis processes focused on the treatment of municipal solid waste scaled towards decentralised energy from waste systems by penny challans b. Us5634414a process for plasma pyrolysis and vitrification. The tremendous rise in municipal solid waste msw in the fastgrowing cities of. Aug 02, 2019 pyrolysis of municipal wastes begins with mechanical preparation and separation of glass, metals and inert materials prior to processing the remaining waste in a pyrolysis reactor. Pyrolysis of municipal solid waste msw in the form of refusederived fuel rdf was performed in a fixed bed reactor to recover char, oilwax and combustible gases. However they face significant challenges due to the heterogeneous nature of municipal solid waste.
Introduction to gasificationpyrolysis and combustion. Global warming and diminishing energy supplies are two major current concerns. Waste plastic pyrolysis plant into furnace oil waste tire, used rubber, waste plastic, waste cable, marine cable, pp, pe,ps of waste plastic, city waste, msw, health waste, and medical waste, have become a big threat to our environment. Abstract a kinetic study of the pyrolysis of municipal solid waste msw was carried out by thermogravimetric analysis tga. Pyrolysis characteristics and kinetics of typical municipal. Chase 2 1 department of engineering science, faculty of science and technology, universiti malaysia terengganu, 21030 kuala terengganu, terengganu, malaysia 2 department of chemical engineering and biotechnology, university of cambridge, new museums. It has been used extensively to produce fuels such as charcoal, coke and town or. A correlation model that considers two independent reactions was applied to simulate the process. Partitioning of heavy metals in municipal solid waste.
Both homogeneous and heterogeneous reactions occur at the same time and. The ryield module was combined with the rgibbs module to describe the pyrolysis section, while the rgibbs module was used for the. Study of the pyrolysis of municipal solid waste for the. The impact of pressure, moisture and temperature on pyrolysis of municipal solid waste under simulated landfill conditions and relevance to the field data from elevated temperature landfill author. The effect of temperature on the pyrolysis experiments has been investigated at the temperatures of 250c, 350c, 500c, 600c, 700c, 800c, and 900c.
Characterization of products from the pyrolysis of. The gasification and pyrolysis of solid materials is not a new concept. Funabashi citys municipal solid waste pyrolysis plant is the first fullscale plant having a dual fluidized bed gasification system. Gasification of municipal solid waste msw is an attractive alternative fuel production process for the treatment of solid waste as it has several potential benefits. Introduction the awareness of the environmental consequences connected to waste disposal together with the large amounts and inhomogeneous nature of municipal solid waste msw has led to complex waste management systems. Our previous research has showed that refusederived fuels based on msw. An investigation on the pyrolysis of municipal solid waste. In this investigation, the pyrolysis behaviors and kinetics of typical municipal solid waste components and their mixture at high heating rates are studied by using thermogravimetryfourier transform infrared spectrometer tgftir.
A study on the kinetic, product distribution and catalytic mechanisms. Pyrolysis of municipal solid waste in japan journal of. Wu institute of chemical and engineering sciences, jurong island, singapore abstract due to limited territory for landfills in singapore, incineration is given top. The experiment was carried out in a packedbed reactor at the temperature range of 600800 c in both atmospheres of n2 and pyrolytic gas. Municipal solid waste msw pyrolysis for biofuel production. The compaction serves to remove most of the air and some of the water from the waste as well as to seal the reactor against air infiltration. Optimisation and modelling of pyrolysis processes focused.
Schreurs, study of the pyrolysis of municipal solid waste for the production of valuable products, journal of analytical and applied pyrolysis 92 2011 366 375. Pdf pyrolysis of municipal solid waste for syngas production by. Pyrolysis of municipal solid waste with ironbased additives. Gasification of nonrecycled plastics from municipal solid. The pyrolysis kinetics experiments for the tetra pack and its main components kraft paper and low. Results showed that liquid products yielded among 38. Tupsakhare, swanand, moutushi, tasnuva, castaldi, marco j. Heavy metal emission is a great environmental concern for the development of municipal solid waste msw thermal treatment techniques. High temperature pyrolysis and gasification process compared to incineration, can generate a wider range of process byproducts. Generally, municipal solid waste msw covers waste from households and consists of plastics, paper, metals, textile, organic waste, leather, rubber, metals, glass. Nas 91 4305 nasa cr 9 3 5 i nasacr1 b1791 production of gaseous fuel b17524105. Municipal or other solid waste is delivered in loose form to a processing facility where it is compacted into a supply chute adjacent the upper portion of a reactor. The effect of pyrolysis temperature and holding time on the product yields were investigated and the optimum conditions for. Simulation analysis of municipal solid waste pyrolysis and.
Bureau of mines conducted some research pyrolysis of solid waste in 1927. Pyrolysis of municipal solid waste for syngas production by microwave irradiation. Thermogravimetric kinetic study of the pyrolysis of municipal. Schreurs, study of the pyrolysis of municipal solid waste for the production of valuable products, journal of analytical and applied pyrolysis. A selfsustained municipal solid waste msw pyrolysis gasification process with selfproduced syngas as heat source was proposed and an equilibrium model was established to predict the syngas. The literature search, which emphasized the time frame of greatest activity in msw pyrolysis i. Biochar and pyrolytic gas properties from pyrolysis of. Biomass feedstock costs remain one of the largest impediments to biofuel production economics. Additionally, the final process residues, bottom ash with potential leachability of heavy metals and fly ash with high level of heavy metals and dioxins, also constitute a major environmental problem. Novel incineration technology integrated with drying. Both homogeneous and heterogeneous reactions occur at the same time and both heat and mass transfer take place during the process. To obtain information on the potential of thermal conversion pyrolysis of municipal solid waste msw, a thermogravimetric study tga is performed in a stream of nitrogen. The flow and management of municipal solid waste solid waste arises from human activitiesdomestic, commercial, industrial, agricultural, waste water treatment, and so on.
A sustainable pyrolysis technology for the treatment of. Gasification of municipal solid waste for power generation. Pyrolysis of municipal wastes begins with mechanical preparation and separation of glass, metals and inert materials prior to processing the remaining waste in a pyrolysis reactor. Pyrolysis of tetra pack in municipal solid waste wu 2001. To predict and analyze the municipal solid waste msw pyrolysis and gasification process in an updraft fixed bed more veritably and appropriately, numerical modeling based on gibbs energy minimization was executed using the aspen plus software. The overall aim of the research reported in this thesis was therefore to explore some of the problems which hinder the development of commercial scale efw technologies.
Characterization of products from fast micropyrolysis of. Different runs were performed at heating rates between 1. A sustainable pyrolysis technology for the treatment of municipal solid waste in malaysia conference paper pdf available in aip conference proceedings. The canadian journal of chemical engineering 1974, 52 2, 263272. This paper presents the basic research of a pyrolysis plant based in westhungary. Pyrolysis of tetra pack in municipal solid waste wu.