Sustainability of natural rubber processing can be improved: A case study with crepe rubber manufacturing in Sri Lanka

Dunuwila, Pasan; Rodrigo, V. H. L.; Goto, Naohiro

doi:10.1016/j.resconrec.2018.01.029

Cited by 28 publications

(18 citation statements)

References 15 publications

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“…Among the high diene concentration-containing rubbers, NR has been extensively exploited, either alone or in combination with other materials, in a wide range of applications, such as in automobiles, trains, tires, conveyor belts, hoses, balls, cushions, gloves, and shoes [ 1 , 5 , 6 , 7 ]. NR features good elasticity (resilience), strength, and processing characteristics, and excellent physical and mechanical properties [ 8 , 9 , 10 , 11 ]. However, its poor heat, UV, oxygen, and ozone resistance caused by the highly unsaturated polymeric backbone hinders some applications requiring weathering resistance [ 12 , 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

Phlogopite-Reinforced Natural Rubber (NR)/Ethylene-Propylene-Diene Monomer Rubber (EPDM) Composites with Aminosilane Compatibilizer

et al. 2021

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Rubber compounding with two or more components has been extensively employed to improve various properties. In particular, natural rubber (NR)/ethylene-propylene-diene monomer rubber (EPDM) blends have found use in tire and automotive parts. Diverse fillers have been applied to NR/EPDM blends to enhance their mechanical properties. In this study, a new class of mineral filler, phlogopite, was incorporated into an NR/EPDM blend to examine the mechanical, curing, elastic, and morphological properties of the resulting material. The combination of aminoethylaminopropyltrimethoxysilane (AEAPS) and stearic acid (SA) compatibilized the NR/EPDM/phlogopite composite, further improving various properties. The enhanced properties were compared with those of NR/EPDM/fillers composed of silica or carbon black (CB). Compared with the NR/EPDM/silica composite, the incompatibilized NR/EPDM/phlogopite composite without AEAPS exhibited poorer properties, but NR/EPDM/phlogopite compatibilized by AEAPS and SA showed improved properties. Most properties of the compatibilized NR/EPDM/phlogopite composite were similar to those of the NR/EPDM/CB composite, except for the lower abrasion resistance. The NR/EPDM/phlogopite/AEAPS rubber composite may potentially be used in various applications by replacing expensive fillers, such as CB.

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Section: Introductionmentioning

confidence: 99%

Phlogopite-Reinforced Natural Rubber (NR)/Ethylene-Propylene-Diene Monomer Rubber (EPDM) Composites with Aminosilane Compatibilizer

et al. 2021

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“…They conducted a 5-year audit, an action plan for each of the 5 through activities, ordering, ordering, cleaning, standardizing and maintaining discipline. This tool generates benefits, such as improving the quality of products or services, in the work environment, reducing costs, increasing efficiency, reducing waste, etc [8].…”

Section: A 5´s and Preventive Maintenancementioning

confidence: 99%

Model of Lean tools for the reduction of waste in the manufacture of non-metallic minerals

Guzmán¹,

Macassi-Jauregui²,

Abanto³

et al. 2020

Proceedings of the 18th LACCEI International Multi-Conference for Engineering, Education, and Technology: Engineering, Integrat

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The present paper presents a model that combines tools such as SLP (Systematic Layout Planning), 5´s, Standardization of methods and Preventive Maintenance for the reduction of waste in the manufacture of non-metallic minerals. This RMI (Industrial Rocks and Minerals) production sector has a high growth potential. Around 5 to 20 million tons were produced in the 70s, 80s and 90s, and it increased between 25 and 100 million tons annually in the present millennium in Peru. The problem to be attacked is the high amount of material that is wasted in the production process in small and medium-sized companies in the RMI production sector. With the validation carried out on our model, results of a reduction of material waste from 135.1 tons / year to 55.6 tons / year were obtained. This meant a waste reduction of 58.8%. The implementation of 5's until the standardization stage, indirectly impacted the other components. The result obtained with the layout redesign model was from 46.1 tons / year to 16.32 tons / year (65%), the redesign reduces the travel distances with material, which generates less waste in transport. In addition, a reduction of 35 tons / year to 10.5 tons / year (70%) is validated with the pilot testing of the definition and standardization of the prior rock breakage method. Also, the preventive maintenance pilot testing to the cyclone dust extractor, reduced the machine stops and validated than waste is reduced from 54 tons / year to 28.8 tons / year (46.7%).

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“…Several studies have identified the advantages of MFCA. Based on a case study of a Sri Lankan crepe rubber factory, Dunuwila et al [22] adopted a cost-efficient and eco-friendly approach to improve the processing sector for natural rubber in the following three phases: 1. Quantifying factory resource use, economic loss, and greenhouse gas emissions through material flow analysis, MFCA, and life-cycle assessment; 2. developing proposals for viable improvement options; and 3. confirming the benefits of implementing the suggested improvement options.…”

Section: Materials Flow Cost Accountingmentioning

confidence: 99%

“…The results indicated that the proposed methods enabled 26% and 79% decreases in cost and global warming potential, respectively. Provided that the improvement options are viable, the results published by Dunuwila et al [22] can be used to ultimately increase profits for the rubber company, reduce the amount of toxic gas released into the atmosphere, reduce water consumption, and enhance the company image.…”

Section: Materials Flow Cost Accountingmentioning

confidence: 99%

The Application of Material Flow Cost Accounting in Waste Reduction

et al. 2019

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Due to the rise in environmental awareness, corporate companies have shifted their focus from an obsession with short-term profits to contemplating long-term strategies to achieve sustainable management. Effective use of resources is the primary indicator of this achievement. Fulfillment of corporate social responsibility and thinking beyond the regulatory aspects of corporate sustainable management are goals that have continually attracted attention worldwide. Material flow cost accounting based on ISO 14051, which was announced by the International Organization for Standardization (ISO), is a tool that can be used to achieve a balance between the environment and economy. We focused on using ISO 14051-based material flow cost accounting as an analytical evaluation tool from the perspectives of finance and accounting personnel. We conducted a case study on a flat-panel parts supplier to determine whether the efficient use of recycled glass could reduce company costs. The primary finding is that the film layer on recycled washed glass tends to be stripped during the production process, causing increased reprocessing costs and thus rendering the cost of renewable cleaning higher than that of reworking. This study revealed that the ISO 14051-based material flow cost accounting analysis constitutes a valuable management tool, thereby facilitating the promotion of sustainable development.

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Sustainability of natural rubber processing can be improved: A case study with crepe rubber manufacturing in Sri Lanka

Cited by 28 publications

References 15 publications

Phlogopite-Reinforced Natural Rubber (NR)/Ethylene-Propylene-Diene Monomer Rubber (EPDM) Composites with Aminosilane Compatibilizer

Phlogopite-Reinforced Natural Rubber (NR)/Ethylene-Propylene-Diene Monomer Rubber (EPDM) Composites with Aminosilane Compatibilizer

Model of Lean tools for the reduction of waste in the manufacture of non-metallic minerals

The Application of Material Flow Cost Accounting in Waste Reduction

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