Optimization of Bioethanol Production Using Whole Plant of Water Hyacinth as Substrate in Simultaneous Saccharification and Fermentation Process

Zhang, Qiuzhuo; Weng, Chen; Huang, Huiqin; Achal, Varenyam; Wang, Duan-Chao

doi:10.3389/fmicb.2015.01411

Cited by 37 publications

(28 citation statements)

References 43 publications

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“…This study refers to the biochemical technology in Zhang et al (2016) [44] and Wang (2015) [45], which is composed of the major steps of key technologies including dilute acid treatment, SSF, distillation and dehydration. The technological processes in the two references are similar with those of the referred corn stover-based bioethanol plant.…”

Section: Bioethanol Optionmentioning

confidence: 99%

“…To produce bioethanol using different cellulosic feedstock, the basic production process is similar except for different inputs such as the types and quantities of enzymes. According to the optimal biochemical process in Zhang et al (2016) [44], 25,000 tonnes of sundried water hyacinth with a water content of 35.70% [57] can be used to produce approximately 2072.07 tonnes of bioethanol. Since the water content of fresh water hyacinth is 93.35% [18], an annual production of 2072.07 tonnes of bioethanol will consume 241,729.32 tonnes of fresh water hyacinth.…”

Section: Bioethanol Optionmentioning

confidence: 99%

“…Since there is currently no bioethanol production using water hyacinth, this ex-ante study refers to the process of corn stover-based bioethanol production of the Fengyuan Corporation, including the plant design, basic production facilities and equipment, etc. The specific biochemical production of bioethanol using water hyacinth is based on the technology in Zhang et al (2016) [44]. Although there is a potential to increase the bioethanol yield from water hyacinth by using other microbes like Zymomonas mobilis, this study consider Saccharomyces cerevisiae only according to Zhang (2016) [44].…”

Section: Cost Estimationmentioning

confidence: 99%

“…The specific biochemical production of bioethanol using water hyacinth is based on the technology in Zhang et al (2016) [44]. Although there is a potential to increase the bioethanol yield from water hyacinth by using other microbes like Zymomonas mobilis, this study consider Saccharomyces cerevisiae only according to Zhang (2016) [44]. There are two reasons: first, Saccharomyces cerevisiae is widely used in industry and is easily available; second, although other microbe, such as Zymomonas mobilis, can be used to decompose 5-C sugars, but it is not available in massive volume, and thus is not incorporated into the estimation.…”

Section: Cost Estimationmentioning

confidence: 99%

“…42 Yuan per tonne, accounting for 40.22% of the unit cost of bioethanol. According to Zhang et al (2016), the optimal enzyme (15,000 u/g of substrate) input was 0.05 g/g of dry water hyacinth [44]. In this study, the enzyme is a commercial enzyme (200,000 u/g of substrate) from Tai'an Xindeli Biological Engineering Co., Ltd.…”

Section: Cost Estimationmentioning

confidence: 99%

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The Economic Feasibility of the Valorization of Water Hyacinth for Bioethanol Production

2019

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One approach to effectively control the rapid expansion of water hyacinth is to use it as a feedstock in producing valuable goods. While it is technically feasible to produce bioethanol using water hyacinth, the economic feasibility of this valorization is yet unknown. This article conducted an ex-ante cost-benefit analysis of the production of bioethanol from water hyacinth. The results show that in comparison with the active control approach of collection and landfill, it is economically feasible to produce bioethanol from the collected biomass. In addition to its contribution to energy diversification, the production of bioethanol using water hyacinth as a feedstock cannot only control the rapid expansion of water hyacinth but can also contribute to carbon emissions reduction and water quality improvement. While the production cost of bioethanol is high, environmental values play an important role in the economic justification of the production. The coupled use of water hyacinth as a phytoremediation plant and bioethanol feedstock is a potential response to green development strategies.Sustainability 2019, 11, 905 2 of 21 compete with grain for land, with consumers for food, and with livestock for feeds, and should not harm the environment [4]. It highlighted that food security should be the priority whenever there is a conflict between food and bioethanol supplies.Unlike first-generation biofuel which is food-based, cellulosic ethanol, or second-generation biofuel, is promoted because it is produced from agricultural waste and non-food crops, such as straw, grass and wood; thus, it will not result in food security issues, and it has great production potential because there is an enormous amount of cellulosic resources available [5], among which water hyacinth (Eichhornia crassipes) is one of the promising candidates [6,7].Despite its high water content, which complicates the process of harvesting and processing, water hyacinth is a promising feedstock for bioenergy production because it is permanent, plentifully available, biodegradable and is a non-crop plant that has high cellulose and hemicellulose content [7]. In particular, unlike other bioethanol feedstock, such as switchgrass, miscanthus and other planted bioenergy crops, water hyacinth will not compete with agricultural crops for land use. It has potential for reducing the production cost of bioethanol when used as a feedstock because it is an abundant resource, but it is critical to use suitable organisms for fermentation to improve the yield of bioethanol [7].The use of water hyacinth to produce bioethanol is also a potential approach in controlling the rapid expansion of water hyacinth and improving water quality. Water hyacinth is a well-known noxious and problematic weed because of its fast proliferation, wide spread [7,8] and its detrimental effects on the aquatic system. Although mechanical, chemical and biological approaches have been proposed to control its rapid expansion, the effects are usually temporary and costly because water hyacinth i...

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Section: Bioethanol Optionmentioning

confidence: 99%

Section: Bioethanol Optionmentioning

confidence: 99%

Section: Cost Estimationmentioning

confidence: 99%

Section: Cost Estimationmentioning

confidence: 99%

Section: Cost Estimationmentioning

confidence: 99%

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The Economic Feasibility of the Valorization of Water Hyacinth for Bioethanol Production

2019

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A review of biofuel production from floating aquatic plants: an emerging source of bio‐renewable energy

Arefin

Rashid

Islam

2021

Biofuels Bioprod Bioref

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Aquatic plants have been considered as a cause for concern because they impede aquatic flora and fauna. However, biofuel production from aquatic plants is an emerging energy source. As a consequence, this paper presents a detailed review of bio‐fuel production from floating aquatic plants with their physicochemical properties. The main focus of this study is to evaluate the biofuel production potential of some major aquatic plants. This paper also presents some methods for biofuel production from aquatic plants that are feasible for future energy generation. Five major types of floating aquatic plants are analyzed in this study, viz. Azolla, water hyacinth, water fern, water lettuce, and duckweed, with their related biofuel production methodologies such as transesterification, pyrolysis, hydrolysis, and torrefaction. This paper also evaluates optimum bio‐fuel production conditions for aquatic plants and their upgradation methodologies. Conventional fuel and aquatic bio‐fuel properties are also compared in this study. Findings suggest that, depending on calorific value and viscosity, Azolla and water fern (Salvania molesta) are better aquatic plants to generate high‐quality (similar to diesel) biofuels compared with other aquatic plants. Bio‐fuel production from water fern, water lettuce, and duckweed are also comparatively less focused sources of energy. The cost associated with cleaning invasive aquatic plants from water can be turned into an investment by producing biofuel from aquatic plants using sustainable techniques. © 2021 Society of Chemical Industry and John Wiley & Sons, Ltd

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Optimization of Nile rose role as a bio‐filler for green natural rubber composites

El Mogy,

El‐Wakil,

Halim

et al. 2024

Polymer Composites

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The valorization of plant wastes for developing environmentally friendly composites has garnered increasing attention over the past two decades. The management of a significant quantity of Nile rose plant waste presents a mounting challenge, particularly in light of escalating water demand. This study delves into the impact of Nile rose fiber (RF) loading and utilizing Vinyltrimethoxysilane (VTMS) as a coupling agent on the characteristics of a composite comprising RF and natural rubber (NR). The verification of the fiber structure treated with silane (TF) was accomplished via Fourier transform infrared (FTIR) spectroscopy. The crosslinking between the NR matrix and the fibers is promoted by the formation of siloxane (SiOSi) linkages in 1050–1100 cm−1. An extensive evaluation of the impact of RF on the characteristics of NR composite was conducted, encompassing morphological properties, mechanical characteristics, and water absorption resistance. The results of the morphological analysis revealed that the modification of RF with silane enhanced the interfacial adhesion between RF and NR. Furthermore, the tensile strength (TS) of NR increases to values of 7.31 and 8.5 MPa by an improvement of 61% and 88% when 10 and 15 phr of TF are added, respectively. Moreover, rubber composites with silane exhibited superior water resistance to those without it across various filler loadings. Specifically, the composite with 20 phr TF absorbed 7% water, whereas the counterpart with untreated fiber (RF) absorbed 12.5% water. The analysis of swelling validated that the interaction between the RF and NR is significantly impacted by the modification of fiber and its incorporation into the composite, as evidenced by the decreased swelling index values from 367% to 298% observing in composites incorporating TF as opposed to those containing RF.Highlights Silane treatment improves the interaction between RF and NR. The TF and NR matrix interacted more and developed an interfacial bonding. The rate of vulcanization is accelerated in the presence of treated RF. TF/NR composites have fewer voids and microcracks, inhibiting water diffusion. 15% TF content optimal for good physical and mechanical properties.

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Optimization of Bioethanol Production Using Whole Plant of Water Hyacinth as Substrate in Simultaneous Saccharification and Fermentation Process

Cited by 37 publications

References 43 publications

The Economic Feasibility of the Valorization of Water Hyacinth for Bioethanol Production

The Economic Feasibility of the Valorization of Water Hyacinth for Bioethanol Production

A review of biofuel production from floating aquatic plants: an emerging source of bio‐renewable energy

Optimization of Nile rose role as a bio‐filler for green natural rubber composites

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