Samar El-Mekkawi¹, Wafaa Abou-Elseoud², Shaimaa Fadel², Enas Hassan², Mohammad Hassan^2,*

Journal of Renewable Materials, Vol.12, No.9, pp. 1573-1591, 2024, DOI:10.32604/jrm.2024.053589 - 25 September 2024

Abstract Recycling of paper sludge waste is crucial for establishing a sustainable green industry. This waste contains valuable sugars that can be converted into important chemicals such as ethanol, poly hydroxybutyrate, and lactic acid. However, the main challenge in obtaining sugars in high yield from paper sludge is the high crystallinity of cellulose, which hinders hydrolysis. To address this, pretreatment using phosphoric acid was optimized using response surface methodology to facilitate cellulose hydrolysis with minimal energy and chemicals. The created prediction model using the response surface method considered factors such as acid concentration (ranging from 60%… More > Graphic Abstract

Aleksandra Jeżo^*

Journal of Renewable Materials, Vol.12, No.6, pp. 1029-1042, 2024, DOI:10.32604/jrm.2024.051330 - 02 August 2024

Abstract Bark extracts are sustainable sources of biopolymers and hold great promise for replacing fossil fuel-based polymers, for example, in wood-based composites. In addition to primary and secondary metabolites, tree bark also contains suberin, which plays a major role in protecting the tree from environmental conditions. Suberin is a natural aliphatic-aromatic cross-linked polyester present in the cell walls of both normal and damaged external tissues, the main component of which are long-chain aliphatic acids. Its main role as a plant ingredient is to protect against microbiological factors and water loss. One of the most important suberin More >

Jeltzlin Semerel¹, Nigel John¹, Wim Dehaen², Pedro Fardim^3,*

Journal of Renewable Materials, Vol.11, No.3, pp. 1031-1061, 2023, DOI:10.32604/jrm.2022.023449 - 31 October 2022

Abstract Aloe vera plant is known worldwide for its medicinal properties and application in gel-based products such as shampoo, soap, and sunscreen. However, the demand for these gel-based products has led to a surplus production of Aloe vera processing waste. An Aloe vera gel processing facility could generate up to 4000 kg of Aloe vera waste per month. Currently the Aloe vera waste is being disposed to the landfill or used as fertilizer. A sustainable management system for the Aloe vera processing waste should be considered, due to the negative societal and environmental impacts of the currents waste disposal methods. Therefore, this… More > Graphic Abstract

JIANFEI GAO¹, KANGNING XIONG^2,*, WEIJIE LI¹, WEI ZHOU³

BIOCELL, Vol.46, No.1, pp. 285-296, 2022, DOI:10.32604/biocell.2021.016253 - 29 September 2021

Abstract Kadsura coccinea (Lem.) is a woody wine plant with a peculiar fruit enriched in important health-promoting compounds. The non-editable part of the fruit, i.e., the seed and peel, represents more than 60% of the fruit and is considered a biowaste. This significantly restricts the development of the K. coccinea fruit industry. Clarifying the metabolic components of the different fruit parts can help to improve the utilization rate and valorization of K. coccinea. Herein, we evaluated K. coccinea fruit peel, pulp, and seed using widely-targeted metabolomics and quantified a set of 736 bioactive compounds from 11 major metabolite classes. The… More >

Kai Su^*, Qirui Qin, Jingyu Yang, Linxiao Li, Shaoqi Deng

Journal of Renewable Materials, Vol.10, No.2, pp. 247-261, 2022, DOI:10.32604/jrm.2022.018146 - 30 August 2021

Abstract With the increase of global proportion of soil pollution and the number of areas at risk, researchers have sought to develop various pathways to repair or relieve the pollutants in soil. Among them, biochar represents one multidimensional soil amendment which has got great deal of attention on its physicochemical properties towards the removal or mitigation of contaminants in soil. A variety of agricultural wastes like straw and manure prepared from different torrefaction process have been employed as feedstock for the production of biochar, which can be applied to the contaminated soil to facilitate the growing… More >

Resa Martha^1,2, Mahdi Mubarok^1,2, Wayan Darmawan², Wasrin Syafii², Stéphane Dumarcay¹, Christine Gérardin Charbonnier¹, Philippe Gérardin^1,*

Journal of Renewable Materials, Vol.9, No.3, pp. 399-449, 2021, DOI:10.32604/jrm.2021.014286 - 14 January 2021

Abstract As a tropical archipelagic country, Indonesia’s forests possess high biodiversity, including its wide variety of wood species. Valorisation of biomolecules released from woody plant extracts has been gaining attractive interests since in the middle of 20th century. This paper focuses on a literature review of the potential valorisation of biomolecules released from twenty wood species exploited in Indonesia. It has revealed that depending on the natural origin of the wood species studied and harmonized with the ethnobotanical and ethnomedicinal knowledge, the extractives derived from the woody plants have given valuable heritages in the fields of More >

Febrina Dellarose Boer^1,2,3, Jérémy Valette^1,2, Jean-Michel Commandré^1,2, Mériem Fournier^3,4, Marie-France Thévenon^1,2,*

Journal of Renewable Materials, Vol.9, No.1, pp. 97-117, 2021, DOI:10.32604/jrm.2021.013147 - 30 November 2020

Abstract Sugarcane bagasse was pyrolyzed using a laboratory fixed bed reactor to produce char and its by-product (pyrolysis liquid). The pyrolysis experiments were carried out using different temperatures (400°C and 500°C), heating rate (1 °C/min and 10 °C/min), and holding time (30 min and 60 min). Char was characterized according to its thermal properties, while the pyrolysis liquid was tested for its anti-fungal and anti-termite activities. Pyrolysis temperature and heating rate had a significant influence on the char properties and the yield of char and pyrolysis liquid, where a high-quality char and high yield of pyrolysis… More >

Guiming Deng^1,2,3, Ou Sheng^1,2,3, Fangcheng Bi^1,2,3, Chunyu Li^1,2,3, Tongxin Dou^1,2,3, Tao Dong^1,2,3, Qiaosong Yang^1,2,3, Huijun Gao^1,2,3, Jing Liu⁴, Xiaohong Zhong⁴, Miao Peng⁴, Ganjun Yi^1,2,3, Weidi He^1,2,3, Chunhua Hu^1,2,3,*

Phyton-International Journal of Experimental Botany, Vol.89, No.4, pp. 1101-1130, 2020, DOI:10.32604/phyton.2020.010970 - 09 November 2020

Abstract Banana (Musa spp.) is an ancient and popular fruit plant with highly nutritious fruit. The pseudo-stem of banana represents on average 75% of the total dry mass but its valorization as a nutritional and industrial by-product is limited. Recent advances in metabolomics have paved the way to understand and evaluate the presence of diverse sets of metabolites in different plant parts. This study aimed at exploring the diversity of primary and secondary metabolites in the banana pseudo-stem. Hereby, we identified and quantified 373 metabolites from a diverse range of classes including, alkaloids, flavonoids, lipids, phenolic acids,… More >

C. A. Rodríguez Ramírez², Fleur Rol³, Julien Bras³, Alain Dufresne³, Nancy Lis Garcia^2,*, Norma D´Accorso^1,2,*

Journal of Renewable Materials, Vol.7, No.4, pp. 373-381, 2019, DOI:10.32604/jrm.2019.04236

Abstract New trends in the area of material improvement are the use of natural nano-charges from renewable biomass, improving the value and sustainability of our country’s natural products. Bamboo is widely used in many countries of the world, although in Argentina, despite being commercialized and exported for the manufacture of wood floors, it goes unnoticed despite having native species. Therefore, researchers identified the native and exotic species present in our country and are working on novel uses. In this context, it is proposed the Argentine Tacuara Cane (Guadua Angustifolia Kunth), endemic plant as a new source More >

Kaoutar Kara^1,*, Fatiha Ouanji², El Mostapha LOTFI¹, Mohammed El Mahi¹, Mohamed Kacimi²

Journal of Renewable Materials, Vol.7, No.1, pp. 1-7, 2019, DOI:10.32604/jrm.2019.00016

Abstract A tricalcium phosphate (TCP) material was produced from sardine and mackerel waste using a heat treatment method after a Soxhlet extraction to obtain the non-soluble portion of fish waste. The bones were annealed at temperatures between 400°C and 1200°C. The thermal analysis (TG-DTA) was carried out to investigate the thermal stability of TCP and to confirm the removal of organic matter from the raw fish. The calcined bones were characterized by Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), and field emission scanning electron microscopy (FE-SEM). The calcium to phosphorous weight ratio was determined by More >