Abstract
The fossil fuel-based linear economy has many severe drawbacks, including the need for energy security and the resulting environmental degradation. In a new cycle of the bio-economy that is becoming increasingly important, biomass waste has been used to generate energy while reducing pollution and greenhouse gas emissions. The growth of renewable energy will be substantial in the reduction of greenhouse gas emissions in order to achieve the ambitious goal of becoming carbon neutral by the mid-century. It appears that using anaerobic digestion technology to produce methane-rich biogas from biomass has a great deal of potential in this scenario. The cattail fresh and dry biomass substrate with pig wastes as inoculum was tested for biogas production. Cattail's highly complex lignocellulosic structures make it challenging to decompose as a biogas substrate. Alkaline pretreatment is one of the efficient tools in solubilizing lignin. As a result, chemical pretreatment of biomass (2 % sodium hydroxide) was a unique method for increasing biogas generation by reducing complex polymers of lignocellulosic materials into simpler molecules that microorganisms could digest. The fresh and dry biomass substrate added fermenter was produced with 57% and 60% methane, respectively.
Highlights
Biomass is organic, which means it is composed of material derived from living organisms such as plants and animals
Biochemical analysis data were not presented in this article. This preliminary experimental work was mainly focused on characteristics of invasive wetland plant, biomass usage management, and biogas production
The results demonstrate that the breakdown of the crystalline and physical structure of cattail caused by chemical pretreatment improves its anaerobic digestibility
Summary
Biomass is organic, which means it is composed of material derived from living organisms such as plants and animals. Wood, and garbage are the most frequent biomass materials utilized for energy. These are referred to as biomass feedstocks (Khammee et al, 2021). Plants absorb the sun's energy through photosynthesis and transform carbon dioxide and water into nutrients, resulting in biomass. As the plant dies, much of the carbon is released back into the environment as carbon dioxide They interfere with the carbon cycle by repurposing the stored energy rather than releasing it back into nature when using biomass as an energy source. As a result, these organisms' energy can be converted into usable energy. Biomass is presently the most significant global source of renewable energy, accounting for about half of global yearly primary energy consumption, and it has the potential to grow further in the generation of heat, power, and transportation fuels (Chuanchai et al, 2019; Saengsawang et al, 2020)
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