Techno-economic considerations on latest trends in biowaste valuation

Marousek, Josef; Strunecky, Otakar; Vaníčková, Radka; Midelashvili, Edisher; Minofar, Babak

doi:10.1007/s43393-023-00216-w

Cited by 6 publications

(5 citation statements)

References 76 publications

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“…% residual moisture content. The results of biomass characterization are reported in Table 1 and are in agreement with previous analysis found in the literature [17][18][19][20][21][22][23][24][25][26][27][28].…”

Section: Methodssupporting

confidence: 89%

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Intermediate pyrolysis of hazelnut shell: temperature effect on energy conversion and products characteristics

Bartolucci,

Cordiner,

Kumar

et al. 2024

Preprint

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Residual biomass is a renewable and clean energy source that is expected to play a crucial role in the energy transition. Thermochemical valorization of agro-industrial waste represents a promising alternative, which is still requiring further investigation with regard to the economical sustainability. In this study, intermediate pyrolysis of hazelnut shell was performed employing a laboratory scale screw-type reactor, evaluating the impact of temperature on the mass and energy flows of the process. The results show that temperature has a significant impact on the liquid and non-condensable gas yields, whilst biochar yield remains stable in the range of 18-23 w/w %. Pyrolysis condensates spontaneously split into organic and aqueous fractions and have calorific value of 18.1-18.5 MJ/kg and 1.9-3.2 MJ/kg, respectively. GC-MS analysis revealed that aromatic compounds dominate the organic fraction, while acetic acid is very abundant in the water-phase (125-147 g/L), suggesting attracting the potential recovery of chemicals. The carbon conversion efficiency for intermediate pyrolysis is around 90% and the theoretical energy recovery ratio is maximized at 76.6 % at 500 ° C. Moreover, the energy recovery ratio is rather high 72-76 % in the temperature range explored, showing that intermediate pyrolysis may adapt effectively to changes in temperature.

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Section: Methodssupporting

confidence: 89%

“…For the latter, the authors reported a primary energy potential of 1 PJ/y. Despite hazelnut is a seasonal crop, such a high volume of production is to be considered advantageous within the evaluation of the economic success of a process at industrial scale [20].…”

Section: Introductionmentioning

confidence: 99%

Intermediate pyrolysis of hazelnut shell: temperature effect on energy conversion and products characteristics

Bartolucci,

Cordiner,

Kumar

et al. 2024

Preprint

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“…Any excess tea can be refrigerated for up to a week to prevent spoilage, as storing it at room temperature may lead to rapid deterioration. These various methods of utilizing insect frass in gardening practices highlight its efficacy in promoting plant health and enhancing soil fertility [6,12].…”

Section: Frass Application Ratesmentioning

confidence: 99%

“…Nonetheless, the quest for novel organic nutrient sources to bolster sustainable agricultural practices remains paramount. The burgeoning insect production industry presents a novel avenue for organic waste recycling, with insect feces, or "frass," emerging as a valuable by-product [6]. Embracing a circular economy necessitates leveraging frass as a resource, given its abundance relative to insect-derived products [7].…”

Section: Introductionmentioning

confidence: 99%

Utilizing Insect Frass (Faecal Matter): A Sustainable Approach to Organic Fertilization in Agriculture

Ahmad,

Kumar,

Saha

et al. 2024

IJECC

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Insect frass, commonly known as insect fecal matter, is emerging as a sustainable solution for organic fertilization in agriculture. This paper explores the potential benefits and applications of utilizing insect frass as an organic fertilizer, highlighting its role in promoting sustainable agricultural practices. Through a comprehensive review of literature, this study examines the nutrient composition of insect frass and its impact on soil fertility and plant growth. Furthermore, the paper discusses the ecological advantages of incorporating insect frass into agricultural systems, including its ability to reduce reliance on chemical fertilizers and minimize environmental pollution. Additionally, the study delves into various methods of utilizing insect frass in different agricultural settings, ranging from soil incorporation to foliar applications. Moreover, the paper addresses the economic feasibility of insect frass as a viable alternative to conventional fertilizers, considering factors such as production costs and market demand. By synthesizing existing research and providing insights into practical applications, this paper underscores the potential of insect frass as a sustainable approach to organic fertilization in agriculture. Ultimately, this study aims to promote further exploration and adoption of insect frass as a valuable resource for enhancing soil health, increasing crop yields, and fostering ecological sustainability in agricultural practices. As agricultural sustainability becomes increasingly imperative, innovative solutions are sought to reduce reliance on synthetic fertilizers and mitigate environmental impacts. In this pursuit, the utilization of insect frass as an organic fertilizer presents a promising avenue for sustainable agriculture. With the rapid expansion of the human population, the mass breeding of insects for feed and food has emerged as a highly efficient means of protein production. A notable byproduct of this process is insect feces, or frass, which exhibits remarkable nutrient content and abundance, surpassing animal biomass production by up to 40 times. Harnessing insect frass as an organic fertilizer offers numerous advantages, including enhanced soil fertility, improved crop yield, and reduced dependency on agrochemicals.

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“…In a global marketplace, consumer tastes and preferences can change rapidly (De Keyser & Lijesen, 2023; Dube et al, 2023;Yu et al, 2023). Honey entrepreneurs need to follow global market trends (Drobniak et al, 2023;Marousek et al, 2023) and adapt their products to suit the needs and tastes of international consumers. Changes in currency values and logistics costs can affect the price and profit margins of honey entrepreneurs.…”

Section: Introductionmentioning

confidence: 99%

Global Marketing to Increase Income of Kele Honey Entrepreneurs in Balangan Sembung Mengwi Bali

Laksmi,

Selamet,

Pasek Mangku

et al. 2023

IJSMR

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This study aims to analyze the effect of global marketing on increasing the income of kele honey entrepreneurs in Balangan Sembung Village, Mengwi, Bali. A total of 42 respondents participated in the study. Global marketing is considered to have a major impact on revenue, so this study is important to examine the effect of global marketing on revenue. The hypothesis in this study states that global marketing has a positive and significant influence on the income of honey kele entrepreneurs in Balangan Sembung Village, Mengwi, Bali. The analysis was conducted to assess the extent to which global marketing affects the increase in income of honey kele entrepreneurs. The results of this study are expected to provide insight into the importance of global marketing in increasing the income of honey kele entrepreneurs in the region. The implications of these findings are expected to support the development of more effective marketing strategies to market kele honey products globally, having a positive impact on their future income.

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Techno-economic considerations on latest trends in biowaste valuation

Cited by 6 publications

References 76 publications

Intermediate pyrolysis of hazelnut shell: temperature effect on energy conversion and products characteristics

Intermediate pyrolysis of hazelnut shell: temperature effect on energy conversion and products characteristics

Utilizing Insect Frass (Faecal Matter): A Sustainable Approach to Organic Fertilization in Agriculture

Global Marketing to Increase Income of Kele Honey Entrepreneurs in Balangan Sembung Mengwi Bali

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