首页|Biohydrogen production from spent wastewater treatment Substrates: Techno-Economic viability and sustainability
Biohydrogen production from spent wastewater treatment Substrates: Techno-Economic viability and sustainability
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NETL
NSTL
Elsevier
This critical review highlights the potential of utilizing spent wastewater treatment substrates for biohydrogen(bioH_2) production, offering an eco-friendly and cost-effective solution aligned with Sustainable DevelopmentGoals (SDG 7) by promoting renewable energy production. Spent wastewater substrates are excellent feedstockdue to their high organic and nutrient content, facilitating efficient waste-to-energy conversion. A hypotheticaltechno-economic analysis demonstrates financial viability, with key metrics such as a favorable return on investmentand promising net present value, driven by low operational costs and substantial revenue from bioH_2sales. Additionally, reusing the bioH_2-generated digestate as a biofertilizer and the treated wastewater foragricultural or industrial applications enhances sustainability and economic benefits. Integrating advancedpretreatment technologies, microbial consortia and carbon credit incentives can further enhance process efficiencyand economic sustainability. Addressing challenges like low bioH_2 yield, production of inhibitors, andscalability barriers requires targeted research, pilot scale validation and supportive policies. Scaling up pilotprojects and strengthening public–private partnerships are crucial for commercialization, paving the way forsustainable bioH_2 production from wastewater and advancing global renewable energy goals.
College of Environment, Hohai University, Nanjing 210098, PR China
Key Laboratory of Integrated Regulation and Resource Development Shallow Lakes, Ministry of Education, Hohai University, Nanjing 210098, PR China||College of Environment, Hohai University, Nanjing 210098, PR China
NETL
NSTL
Elsevier
