Synergistic biorefinery of Scenedesmus obliquus and Ulva lactuca in poultry manure towards sustainable bioproduct generation

Agarwal, Akanksha; Mhatre, Akanksha; Pandit, Reena; Lali, Arvind

doi:10.1016/j.biortech.2019.122462

Cited by 27 publications

(7 citation statements)

References 38 publications

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“…The conversion of biomass into marketable products relies on the accessibility and quality of renewable feedstocks [15,16]. Environmental limitations of the bioeconomy development include in particular, the seasonality of supplies, the geographic distribution of resources and competition for the available land [8,17,18]. Economic factors affecting the bioeconomy are production and transportation costs, resources prices, and resulting products [19].…”

Section: Introductionmentioning

confidence: 99%

Sugar Beet Pulp in the Context of Developing the Concept of Circular Bioeconomy

et al. 2021

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The primary objective of this paper is to identify the possibilities of using sugar beet pulp as feedstock to produce a variety of added-value products. Such an application of the sugar production byproducts contributes to implementing circular bio-economy, which is a source of many economic, social, and environmental benefits. Specific objectives of this paper are: (1) Presenting the concept and meaning of circular bio-economy. (2) Characterizing properties of the sugar beet pulp from the perspective of using them as feedstock. (3) Determining the volume of production of the sugar beet pulp and the current methods of using them. (4) Determining the methods of obtaining attractive bioproducts and renewable energy from sugar beet pulp. Special attention was given to the amount of sugar beet pulp produced in Polish sugar refineries. Poland is among the European countries in which the volume of produced sugar is especially high. Therefore, the problem of appropriate waste management in the Polish sugar industry gains significant importance. The conducted literature review demonstrated that sugar beet pulp might be used as a feedstock in the production of many bio-products produced using a variety of methods.

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Section: Introductionmentioning

confidence: 99%

Sugar Beet Pulp in the Context of Developing the Concept of Circular Bioeconomy

et al. 2021

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“…However, using one pipe for one row also decreased the soil's urease activity in the flowering period, while that in the mature period was relatively higher. Overall, this would not be conducive to the improvement of plant nitrogen absorption and photosynthetic rate [35]. The effect of using three pipes and four rows on soil urease activity was similar to that when using one pipe and two rows.…”

Section: The Smaller Drip Irrigation Pipe Density Was Beneficial To Pnmentioning

confidence: 90%

Effects of Drip Irrigation with Plastic on Photosynthetic Characteristics and Biomass Distribution of Muskmelon

Wang

Niu

2020

Agriculture

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An experiment was conducted in China to develop guidelines for the mulching drip irrigation of commercial muskmelon crops. Three sets of factors were laid out in rows to give a three × three factorial design. First, plastic covers were placed over the entire growing area (rows and inter-rows, or full), over the rows (half), or no plastic applied (none). Second, there was one irrigation pipe per row (T1), three pipes for four rows (T3/4), or one pipe for two rows (T1/2). Finally, the plants were irrigated when the soil water content fell to 60%, 70%, or 80% of field water capacity (FC). Information was collected on net CO2 assimilation (Pn), plant growth, and yield. Overall, maximum Pn occurred with half plastic covering, one irrigation pipe for two rows, and irrigation at 80% FC. Plant fresh weight was higher with half plastic covering, one irrigation pipe per row, and irrigation at 70% or 80% FC. Yield was higher with half plastic covering, and irrigation at 70% or 80% FC. There were only small differences in the yield across numbers of irrigation pipes. These results suggest that overall productivity was better with plastic covers over the rows and irrigation at 70% or 80% FC. Differences in productivity with different numbers of irrigation lines per row were small.

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“…Thus, this system capitalizes on the synergistic interactions among species (Abreu, et al 2009;Chopin 2001;Neori, et al 2004;Troell, et al 2003), such as sea cucumbers and bivalves that can utilize suspended organic particles (uneaten feed, faeces, and plankton) (Lander, et al 2013) to support their growth while simultaneously improving water quality for other species through ltration (Martínez-Córdova, et al 2011; Ren, et al 2014;Sapkota, et al 2008), or algae that assimilate dissolved inorganic nutrients (Neori, et al 2004). Many studies in recent decades have shown that different macroalgae can be used for water remediation (Agarwal, et al 2020; Bonanno and Orlando-Bonaca 2018; Bonanno, et al 2020;Jarvis and Bielmyer-Fraser 2015). The green macroalgae of the genus Ulva (seaweeds) which are well known for their high nutrient uptake capacity and productivity (Bruhn, et al 2011;Gao, et al 2020;Kang, et al 2011;Luo, et al 2012), are a group of edible algae widely distributed along coasts worldwide (Moreira, et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Cultivation of Ulva lactuca changes bacterial community structure and abundances of nitrogen cycling functional genes in an IMTA system

Kong

Chen

Zhao

et al. 2023

Preprint

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To study nitrogen removal by Ulva lactuca and its effects on the structure of the bacterial community and abundance of nitrogen cycle functional genes in the ‘sea cucumber–shrimp–crab–fish’ integrated multi-trophic aquaculture (IMTA) system, we analysed bacterial community composition by Illumina MiSeq high-throughput sequencing and nitrogen cycling functional gene levels by real-time quantitative PCR in water and sediment with (Y) and without the presence of U. lactuca (N). Diversity and abundance indices, including Sobs, Shannon, Ace, and Chao1, were higher in Group Y water and sediment. In the water, the predominant phyla were Proteobacteria in Group Y and Cyanobacteria in Group N in September. Flavobacteriaceae and Rhodobacteraceae were the dominant families in Group Y and Group N in October and November, respectively. In the sediment, Bacillaceae was the dominant family in Group Y throughout the experimental period, whereas Desulfocapsaceae was the dominant family in Group N in October and November. Regarding nitrogen cycle functional genes, millions of Amx, nosZ, nxrB, and nrfA genes were detected in both water and sediment. The abundances of nifH, amoA, nxrB, norB, and nrfA genes were higher in Group Y than those in Group N, which can improve ammonia removal without nitrogen loss. In this study, a potential novel approach was proposed to enhance the development of sustainable aquaculture, promote the nitrogen cycle, and remediate and optimise the water environment by cultivating bacteria and algae, according to the effects of U. lactuca on water quality, bacterial communities, and abundance of functional nitrogen cycling genes in IMTA systems.

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Synergistic biorefinery of Scenedesmus obliquus and Ulva lactuca in poultry manure towards sustainable bioproduct generation

Cited by 27 publications

References 38 publications

Sugar Beet Pulp in the Context of Developing the Concept of Circular Bioeconomy

Sugar Beet Pulp in the Context of Developing the Concept of Circular Bioeconomy

Effects of Drip Irrigation with Plastic on Photosynthetic Characteristics and Biomass Distribution of Muskmelon

Cultivation of Ulva lactuca changes bacterial community structure and abundances of nitrogen cycling functional genes in an IMTA system

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