coffee waste
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2022 ◽  
Vol 294 ◽  
pp. 118616
Author(s):  
Ji Yong Choi ◽  
Beom Yeol Yun ◽  
Young Uk Kim ◽  
Yujin Kang ◽  
Sung Chan Lee ◽  
...  

2022 ◽  
Vol 302 ◽  
pp. 114021
Author(s):  
Mozarte Santos Santana ◽  
Rafael Pereira Alves ◽  
Lucas Santos Santana ◽  
Mateus Aquino Gonçalves ◽  
Mário César Guerreiro

2021 ◽  
Vol 8 (2) ◽  
pp. 091
Author(s):  
Athalia Meifira ◽  
Nurul Fadilah ◽  
Tiara Insanul Oktariana ◽  
Dian Rahayu Jati ◽  
Isna Apriani

Abstract The application of clean production to the Purnama Coffee industry can reduce the negative impact on the environment. This study aims to analyze the coffee industry and consider the potential for implementing clean production by the industry. This research was conducted using the Field Research method (field research). The data collected is then processed into data used for the application of clean production. The results of this study indicate that the implementation of clean production can minimize the impact on the environment. The benefit of clean production for the environment is a reduction in solid waste in the industry. This step in implementing clean production will reduce the impact on the environment towards a more environmentally friendly coffee industry. Keywords: clean production, coffee waste, industry coffee Abstrak Penerapan produksi bersih pada industri Kopi Purnama dapat mengurangi dampak negatif terhadap lingkungan. Penelitian ini bertujuan untuk melakukan analisis pada industri kopi serta menganalisis potensi penerapan produksi bersih yang sesuai dengan industri tersebut. Penelitian ini dilakukan dengan metode Field Research (penelitian lapangan). Data-data tersebut dikumpulkan kemudian dianalisis untuk dijadikan potensi penerapan produksi bersih. Hal-hal yang bisa dilakukan dalam penerapan produksi bersih pada industri kopi purnama, antara lain : pembuatan pupuk bokashi dari sekam kulit kopi, sehingga diharapkan ada pengurangan timbulan limbah padat di industri tersebut, sehingga menjadi industri kopi yang lebih ramah lingkungan. Kata Kunci: industri kopi, limbah kopi, produksi bersih


2021 ◽  
Vol 31 (4) ◽  
pp. 1991-2001
Author(s):  
Yong-Sung Oh

A casca da castanha e resíduos de café moído foram avaliados como material de enchimento para produção de adesivo para compensados. Uma resina de fenol-formaldeído (FF) foi formulada em laboratório para fabricação de compensados. As propriedades da resina FF foram sólidos não voláteis, tempo de gelatinização (gel time),viscosidade, etc. A resina FF sintetizada em laboratório foi misturada com extensor, carga e NaOH. Os compensados foram feitos de maneira uniforme com a mistura de resina FF e testados quanto à resistência ao cisalhamento, módulo de ruptura (MOR) e inchamento em espessura, de acordo com as normas coreanas KS F 3101 e KS F 3114. Todos os compensados fabricados com cada tipo de carga apresentaram boas propriedades de resistência física e mecânica. Os resultados dos testes de desempenho indicaram que a casca da castanha e os resíduos de café moído são adequados como carga para produção de adesivo para fabricação de compensados.


Molecules ◽  
2021 ◽  
Vol 26 (22) ◽  
pp. 6859
Author(s):  
Melike Çalışkan ◽  
Sema Akay ◽  
Berkant Kayan ◽  
Talat Baran ◽  
Dimitrios Kalderis

In the present study, a novel heterogeneous catalyst was successfully fabricated through the decoration of palladium nanoparticles on the surface of designed Fe3O4-coffee waste composite (Pd-Fe3O4-CWH) for the catalytic reduction of nitroarenes. Various characterization techniques such as XRD, FE-SEM and EDS were used to establish its nano-sized chemical structure. It was determined that Pd-Fe3O4-CWH is a useful nanocatalyst, which can efficiently reduce various nitroarenes, including 4-nitrobenzoic acid (4-NBA), 4-nitroaniline (4-NA), 4-nitro-o-phenylenediamine (4-NPD), 2-nitroaniline (2-NA) and 3-nitroanisole (3-NAS), using NaBH4 in aqueous media and ambient conditions. Catalytic reactions were monitored with the help of high-performance liquid chromatography. Additionally, Pd-Fe3O4-CWH was proved to be a reusable catalyst by maintaining its catalytic activity through six successive runs. Moreover, the nanocatalyst displayed a superior catalytic performance compared to other catalysts by providing a shorter reaction time to complete the reduction in nitroarenes.


2021 ◽  
Vol 298 ◽  
pp. 113468
Author(s):  
Yongtae Ahn ◽  
Dong-Wan Cho ◽  
Waleed Ahmad ◽  
Jungman Jo ◽  
Jongsoo Jurng ◽  
...  

2021 ◽  
Vol 32 (10) ◽  
pp. 24-27
Author(s):  
Danyelle Andrade Mota ◽  
◽  
Laiza Canielas Krause ◽  
Cleide Mara Faria Soares

The valorization of coffee processing waste by producing products with high added value is a promising approach toward a circular bioeconomy. Crude coffee silverskin oil can be directly used in enzymatic hydrolysis catalyzed by non-specific lipases or sn-1,3 regioselective lipases. Converting coffee silverskin oil into free fatty acids or enriched polyunsaturated fatty acids in the form of acylglycerols with promoting properties can reduce the environmental impact and increase the profitability of the coffee industry.


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