Recycling of dual hazardous wastes in a catalytic fluidizing process

Lin, Yi-Guang; Tseng, Chun-Chieh; Wei, Ta-Tung; Hsu, Chia-Tse

doi:10.1016/j.cattod.2011.04.029

Cited by 26 publications

(10 citation statements)

References 17 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The systematic experiments discussed in this work indicate that catalyst deactivation is being produced by active-site coverage, and consequently decrease the activity of the catalyst, giving the reason of decreasing of reaction rate with reaction time. The systematic experiments discussed in this work and in earlier work [9][10][11] indicate that catalyst deactivation is being produced by active-site coverage, and consequently decrease the activity of the catalyst, giving the reason of decreasing of reaction rate with increasing the amounts of residues.…”

Section: Effect On Catalyst Performancesupporting

confidence: 50%

Catalytic Pyrolysis of Dual Wastes into Worth

Chan¹,

Chang²,

Lin³

2015

Third International Conference on Advances in Applied Science and Environmental Technology - ASET 2015

View full text Add to dashboard Cite

Recycling of polymer waste is important both in the conservation of resources and the environment. A plastic waste was pyrolyzed over a series of post-use commercial catalysts using a fluidizing reaction system. Experiments carried out with these catalysts gave good yields of valuable hydrocarbons with differing selectivity in the final products text. Greater product selectivity was observed with a hybrid catalyst of MCM-41/Cat-R1 with more than 65.8 wt% olefins products.

show abstract

Section: Effect On Catalyst Performancesupporting

confidence: 50%

Catalytic Pyrolysis of Dual Wastes into Worth

Chan¹,

Chang²,

Lin³

2015

Third International Conference on Advances in Applied Science and Environmental Technology - ASET 2015

View full text Add to dashboard Cite

show abstract

“…Lin et al. noted that number of accessible acidic sites is more important vis‐à‐vis total number of acid sites, and this plays an efficient part in the degradation process …”

Section: Resultsmentioning

confidence: 99%

Thermal decomposition study of polyvinyl chloride in the presence of commercially available oxides catalysts

et al. 2017

View full text Add to dashboard Cite

The pyrolysis behavior of polyvinyl chloride (PVC) in the presence of commercially available oxides catalysts was investigated using thermogravimetry. The pyrolysis proceeded under a heating rate of 5°C/min in the temperature range of 200-650°C.The thermogravimetric properties in terms of reduction in maximum degradation temperature and percent conversion were studied. The silica gel mesoporous catalyst, with a greater pore size and surface area, was found to be the most active materials in terms of reduction in maximum degradation temperature and increase in percent conversion. The alumina acidic, silica ppt, and alumina neutral catalysts also showed good results; however, their effects were less pronounced as compared to silica gel. The effects of these different catalysts show that surface area, pore size, and number of acidic sites are found to be the major factors for the energy efficient degradation of polymers. K E Y W O R D Scatalytic thermal degradation, number of acidic sites, polyvinyl chloride, pore size, reduction in maximum degradation temperature, surface area

show abstract

“…It applies to specific condensation polymers such as polyesters, polyurethanes, polyamides, and polyacetals. This method would imply a higher cost (Lin et al, 2011;Ragaert et al, 2017). Another way of converting waste into energy is by the gasification method that melts plastics with oxygen and steam at temperatures between 1,200 and 1,500°C.…”

Section: Chemical Recyclingmentioning

confidence: 99%

Viable Disposal of Post-Consumer Polymers in Mexico: A Review

Ángeles-Hurtado

Rodríguez‐Reséndiz²,

Salazar-Colores³

et al. 2021

Front. Environ. Sci.

View full text Add to dashboard Cite

Post-consumer polymers require viable actions to transfer value to the final consumer to reduce environmental impact. Worldwide, initiatives are being developed to promote the culture of recycling and thus reduce waste generation. These initiatives seek to make the work of thousands of people visible, encourage job creation, and promote businesses through incentive schemes for effective separation, collection, classification, reuse, and recycling, in the hands of consumers, collectors, and scavenges. It is necessary to emphasize that Mexico needs to develop techniques to increase the productivity of collection centers for recyclable materials and to face the challenges that recycling implies. For these reasons, the Mexican government has spoken of waste management as a national priority due to the COVID-19 pandemic, which increased urban solid waste between 3.3 % and 16.5 % in addition to what was generated under normal conditions. Also, the recycling chain provides economic income to more than 35 thousand Mexicans. Polyethylene terephthalate (PET) is an example of the most notable circular economy in Mexico because 60 % of PET bottles are recycled. Therefore, this article addresses the methods and systems in the management of urban solid waste. It focuses on post-consumer recycled plastic bottles to provide an overview of cost-effective strategies for designing and developing an affordable sorting system in Mexico from the academic field. In addition, to simplify the solution that we propose, it is recommended to combine optical techniques such as infrared spectroscopy and Raman spectroscopy with others methods that work together, such as computer vision, to develop affordable systems that address the limitations of mechanical systems.

show abstract

Recycling of dual hazardous wastes in a catalytic fluidizing process

Cited by 26 publications

References 17 publications

Catalytic Pyrolysis of Dual Wastes into Worth

Catalytic Pyrolysis of Dual Wastes into Worth

Thermal decomposition study of polyvinyl chloride in the presence of commercially available oxides catalysts

Viable Disposal of Post-Consumer Polymers in Mexico: A Review

Contact Info

Product

Resources

About