Possibility of obtaining hydrogen from coal/waste–tyre mixture

Kříž, V.; Brožová, Z.; Přibyl, Oldřich; Sýkorová, Ivana

doi:10.1016/j.fuproc.2008.04.011

Cited by 10 publications

(2 citation statements)

References 10 publications

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“…Estimates do not take into account ST hauling costs, nor the investment and operational costs of a plant based on this type of technology [29]. Results neither considered the range of technical variables related to the performance of ST pyrolysis as reported by many experts in the field [44,53,61,[79][80][81]. However, it is worth to mention that within the revenues of the process, the earnings from steel recovery, one of the side products of ST pyrolysis [29,79], were not included.…”

Section: Energy Recovery Potential From St Processed By Pyrolysismentioning

confidence: 99%

Energy Recovery from Scrap Tires: A Sustainable Option for Small Islands like Puerto Rico

Laboy-Nieves

2014

Sustainability

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Puerto Rico generates and disposes nearly five million/year scrap tires (ST), of which 4.2% is recycled and 80% is exported. The Island has one of the world highest electrical service tariff ($0.28 kWh), because of its dependency on fossil fuels for power generation. The Government has not considered ST for electricity production, despite more than 13,000 ST are generated daily, and paradoxically exported for that purpose. Theoretically, if ST recycling increases to 10% and assuming that the caloric value of ST be 33 MJ/kg, it was estimated that scrap tires processed with pyrolysis can supply annually about 379 MWh, a potential value that shall not be unnoticed. This paper is a literature review to describe the legal, technical, and economic framework for the viability of ST for power generation in Puerto Rico using pyrolysis, the most recommended process for ST energy recovery. Data of ST from Puerto Rico was used to model the potential of ST for pyrolytic energy conversion. The herein article is intended to invite other insular countries and territories, to join efforts with the academic and scientific community, and with the energy generation sector, to validate ST as a sustainable option for energy generation.

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Section: Energy Recovery Potential From St Processed By Pyrolysismentioning

confidence: 99%

Energy Recovery from Scrap Tires: A Sustainable Option for Small Islands like Puerto Rico

Laboy-Nieves

2014

Sustainability

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“…A synergic effect of waste rubber tyres and coal was observed at the temperature of 430 °C without or with molybdenum catalysts and greater total conversion to liquids was yielded [8]. Two-stage pyrolysis of 75 wt.% coal and 15 wt.% rubber led to the production of gas with high amount of hydrogen and carbon monoxide and to solid phase consisting mainly of carbon [9]. Ishaq et.…”

Section: Introductionmentioning

confidence: 99%

Study of Pyrolysisis of Polymers and Coal and Co-Pyrolysis of Their Blends, Kinetics of the Process

Mikulová¹,

Večeř²,

Frantík³

2012

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Amount of polymer waste increase every year and for this reason upgrading of this waste is a necessity. Nowadays waste disposal and incineration of polymers waste are the most frequently used methods which (i) did not allowed chemical and energy utilization and (ii) are not environmentally friendly. Pyrolysis and co-pyrolysis provide an attractive way to dispose of and convert polymer waste and coal into higher value fuel and the specific benefits of this method potentially include many environmental friendly advantages. Pyrolysis and co-pyrolysis has been studied using termogravimetry apparatus NETZCH TG-DTA STA 409 EP. The pyrolysis of all polymers except for scrap tyres was a one-step process and temperature range was narrower than for coal pyrolysis. The overlapping temperature range for pyrolysis of polymers and coal was 200-600°C. The synergic effect and kinetics of co-pyrolysis of polymers and coal has been studied in the given temperature range. The addition of polymers to coal led to (i) the enhancement of weight loss of brown coal, (ii) the shift of temperature of the max pyrolysis speed and (iii) the slight influence of E A of coal pyrolysis. AbstraktMnožství odpadních polymerů každoročně stoupá a jejich recyklace je velmi důležitá. V dnešní době je největší část těchto odpadů ukládána na skládky nebo spalována. Tyto dvě metody však nejsou příliš vhodné (nedochází k chemickému ani energetickému využití materiálu) a nejsou ani šetrné k životnímu prostředí. Pyrolýza a ko-pyrolýza jsou vhodné recyklační metody umožňující přeměnu odpadních polymerů a uhlí na paliva s vyšším energetickým obsahem a jsou šetrné k životnímu prostředí. Pyrolýza a ko-pyrolýza vybraných polymerních materiálů s hnědým uhlím byla studována pomocí dynamické termogravimetrie na přístroji LECO TG-DTA STA 409 EP firmy NETZCH. Pyrolýza polymerů, kromě odpadních pneumatik, probíhala v jednom stupni a v užším teplotním intervalu než pyrolýza uhlí. Teplotní interval, kdy docházelo k pyrolýze polymeru i uhlí byl 200-600°C. V tomto teplotním intervalu byla rovněž studována kinetika ko-pyrolýzy a synergický efekt studovaných polymerů a hnědého uhlí. Nejvyšší pozitivní synergický efekt vedoucí ke zvýšení hmotnostního úbytku hnědého uhlí a rychlejší pyrolýzy při nižších teplotách měl ze studovaných polymerů polypropylen.

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Co-pyrolysis of waste tire/coal mixtures for smokeless fuel, maltenes and hydrogen-rich gas production

Bičáková¹,

Straka²

2016

Energy Conversion and Management

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Possibility of obtaining hydrogen from coal/waste–tyre mixture

Cited by 10 publications

References 10 publications

Energy Recovery from Scrap Tires: A Sustainable Option for Small Islands like Puerto Rico

Energy Recovery from Scrap Tires: A Sustainable Option for Small Islands like Puerto Rico

Study of Pyrolysisis of Polymers and Coal and Co-Pyrolysis of Their Blends, Kinetics of the Process

Co-pyrolysis of waste tire/coal mixtures for smokeless fuel, maltenes and hydrogen-rich gas production

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