Water hyacinth for energy and environmental applications: A review

Li, Fanghua; Xin, He; Arora, Satyam; Song, Shuang; Tan, Hugh Tiang Wah; Sweeney, Daniel J.; Ghosh, Subhadip; Wang, Chi‐Hwa

doi:10.1016/j.biortech.2021.124809

Cited by 78 publications

(45 citation statements)

References 107 publications

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“…In that sense, water hyacinth is not merely an environmental challenge, as its considerable inherent advantage can be utilised for economic growth [ 42 ]. The valorisation of water hyacinth is not new; its prospects are extensive, encompassing different sectors such as agriculture, energy, metallurgy, construction, pharmacology, arts and craft, material science and more [ 13 , 15 , 16 ]. Despite these various opportunities, rural communities may not benefit directly from all the applications as limitations may arise due to the location, the cost and the complex technology required and the availability of labour.…”

Section: Prospects For Water Hyacinthmentioning

confidence: 99%

“…Common forms of inoculum used in the AD process include farm animal manure, municipal sewage sludge and leachate from composting plants [ 113 , 114 ]. For example, the addition of rumen fluid in the range of 25–50% during the pre-treatment process showed optimum biogas production compared to runs without this addition [ 15 ]. Inoculum starter is a prerequisite at the commencement of the digestion process; however, subsequent processes may occur without the addition of inoculum.…”

Section: Prospects For Water Hyacinthmentioning

confidence: 99%

“…Fresh biomass is bulky and has a low density, so its use in conventional burners is uneconomical. Briquetting is a biomass densification process that transforms biomass residues into a cleaner and enhanced solid fuel with higher density and heat intensity (13.1–18.4 MJ/kg) [ 15 ]. Raw water hyacinth contains up to 95.5% moisture, which compromises its ability to be combusted as a direct fuel [ 14 ].…”

Section: Prospects For Water Hyacinthmentioning

confidence: 99%

“…Conversely, a remarkable number of studies have emerged for the potential use and conversion of water hyacinth into value-added products, suggesting a positive aspect of the weed [ 12 , 13 , 14 , 15 , 16 ]. Transforming management issues into opportunities and harvesting water hyacinth through physical and mechanical means by collecting its biomass can be manageable, feasible, and profitable.…”

Section: Introductionmentioning

confidence: 99%

“…Current and recent reviews addressing the valorisation of water hyacinth have focused on several aspects, including water hyacinth biomass-to-energy [ 15 ], biochar production potential [ 12 ], phytoremediation capacities [ 17 ], cost-benefit analyses and the economic feasibility of its utilisation [ 12 , 13 , 18 ] and various other products [ 16 ]. Though frequently mentioned in previous works of literature, the direct and indirect prospects for the utilisation of water hyacinth in affected, and especially rural areas, for the benefit of the people within those areas, has not yet been thoroughly discussed.…”

Section: Introductionmentioning

confidence: 99%

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Invasive Water Hyacinth: Ecology, Impacts and Prospects for the Rural Economy

Harun

Pushiri

Juhari

et al. 2021

Plants

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Water hyacinth (WH) is notorious for causing severe environmental degradation and being an economic burden to manage. However, it offers substantial prospects if exploited, especially by rural communities. High temperatures, eutrophic conditions and other environmental factors promote the proliferation of the plant in regions where it has been introduced. Regarded as among the world’s worst invasive weeds, WH is nearly impossible to control and eradicate without an integrated approach and community participation. The effectiveness of control methods varies, yet sustained community involvement determines the long-term success of these methods. Reproducing rapidly, WH has the resource capacity to support a unique microeconomic ecosystem, incentivising WH control by generating sustainable income. The WH ecology, the socioeconomic impacts of its invasion and its various applications are reviewed, and revenue generation and cost-saving options are highlighted. A circular microeconomic model is proposed by integrating WH valorisation into the general limitations of a rural community. Empowering locals with opportunities and enticing them with potential economic gains can be a nudge towards a pro-environment behavioural change in managing WH. This would aid in upgrading local livelihoods and could foster resilience within the community in tackling both environmental problems and economic setbacks through the management of WH invasions.

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Section: Prospects For Water Hyacinthmentioning

confidence: 99%

Section: Prospects For Water Hyacinthmentioning

confidence: 99%

Section: Prospects For Water Hyacinthmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Invasive Water Hyacinth: Ecology, Impacts and Prospects for the Rural Economy

Harun

Pushiri

Juhari

et al. 2021

Plants

View full text Add to dashboard Cite

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Aquatic biomass as sustainable feedstock for biorefineries

Kotamraju

Lens

2023

Biofuels Bioprod Bioref

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The development of biorefineries is a crucial step in the circular economy framework. In biorefineries, research is intensified towards utilizing feedstocks, which do not need arable land or compete with food sources. In this scenario, emerged, submerged and free-floating aquatic plants are garnering significant attention as potential feedstocks owing to their generation in huge quantities, especially in eutrophic water bodies, similar composition to lignocellulosic biomass with lower lignin content and requirement for only mild pre-treatments. Therefore, exploring the feasibility of using these aquatic plants for the production of various biocommodities in a biorefinery approach can be of prime importance. In light of this, the current review illustrates the use of some of the major aquatic plants for the production of different biocommodities. The main focus of the study is to shed light on the various biorefinery schemes that could be implemented using these aquatic plants. It also outlines the challenges and prospects of aquatic plant-based biorefineries. The findings suggest that various biorefinery schemes can be implemented using these aquatic plants and a combination of chemical and biological processes could aid in lowering the cost and achieving better yields. Furthermore, it is also observed that research on large-scale management and valorization of these aquatic plants also needs to be intensified.

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Effect of plant density and hydraulic retention time on phytoremediation of greywater using water hyacinth and validation of its optimized result using artificial neural network

Prasad

Sharma

Pandey³

et al. 2023

Can J Chem Eng

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Water scarcity is a global issue and finding alternative ways to meet our water needs within available resources is becoming increasingly important. Repurposing greywater for non‐potable uses, such as irrigation and car washing, can help alleviate the demand for drinking water. Greywater recycling and reuse are viable options to combat water scarcity. This study investigated the treatment of greywater using phytoremediation, specifically focusing on the effect of water hyacinth density and hydraulic retention time (HRT). An artificial neural network was used to optimize these parameters in the treatment system. The experiment spanned over 7 weeks and consisted of two phases. In phase I, different water hyacinth densities (ranging from 1.0 to 4.0 kg/m2) were tested, while phase II examined various HRTs (ranging from 12 to 48 h). The results indicated that the optimal conditions for greywater treatment were a water hyacinth density of 2 kg/m2 and an HRT of 48 h. Under these optimal conditions, the treatment system achieved high removal efficiencies for turbidity (98.02 ± 0.75%), chemical oxygen demand (59.42 ± 5.64%), ammonium‐nitrogen (87.45 ± 7.29%), and phosphate (94.50 ± 2.19%). However, the removal of total suspended solids was relatively low at 43.98 ± 9.20%. These findings were confirmed using an artificial neural network, showing a strong correlation (R > 0.99). The study concludes that phytoremediation using water hyacinth can be a viable option for greywater recycling and reuse, effectively addressing water scarcity. The recommended optimal conditions include a water hyacinth density of 2 kg/m2 and an HRT of 48 h.

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Water hyacinth for energy and environmental applications: A review

Cited by 78 publications

References 107 publications

Invasive Water Hyacinth: Ecology, Impacts and Prospects for the Rural Economy

Invasive Water Hyacinth: Ecology, Impacts and Prospects for the Rural Economy

Aquatic biomass as sustainable feedstock for biorefineries

Effect of plant density and hydraulic retention time on phytoremediation of greywater using water hyacinth and validation of its optimized result using artificial neural network

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