Application of Solar Heating System in Biogas Production

Dai, Rong; Chang, Cun; Xu, Zhibin; Liu, Xiaobing; Wang, Zhifeng

doi:10.1007/978-3-540-75997-3_482

Cited by 2 publications

(3 citation statements)

References 3 publications

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“…However, such arrangements may be costly. A cost-optimization experiment of solar heating of digesters in North China revealed that to meet the cooking demand for households with three people, external solar heating to maintain the digestion temperature at 20 • C is more efficient than maintaining it at 25 • C and approximately 21% less collector area installation at 20 • C with nominal variation in gas production [11].…”

Section: Low-cost Thermal Enhancement Measuresmentioning

confidence: 99%

“…Limited access to suitable organic feedstock is a significant issue due to competing uses, inadequate collection and transportation networks, storage and segregation facilities, and inappropriate waste management practices [10]. The thermal enhancement of household biogas in cold climates requires further research and development efforts to make it accessible at a lower cost [11]. Moreover, reluctance to change entrenched cultural preferences and social norms hinders community engagement and participation in biogas projects, along with a general lack of awareness [8].…”

Section: Introductionmentioning

confidence: 99%

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Household biogas technology in the cold climate of low-income countries: a review of sustainable technologies for accelerating biogas generation

Lohani,

Shaw,

Shrestha

et al. 2024

Prog. Energy

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Low-income countries have long benefited from household biogas plants for extracting clean energy and fertilizer. Despite the popularity, such ordinary plants do not have heating systems and suffer lower biogas production in cold regions or cold winters. This paper attempts a comprehensive review on research and development of household biogas technology in cold climate. This review specifically highlights the influence of temperature on biogas production, and technologies and recent advances in psychrophilic biogas production. Such measures are introduction of adapted inoculums, maneuvering operational parameters like hydraulic retention time (HRT) and organic loading rate (OLR), co-digestion approach and additives and digester designs. In addition to that, the review portrays adoption of low-cost heating arrangements including construction of greenhouse over bio-digesters, digester insulation, and integration of solar heating is crucial to enhance biogas production. Furthermore, this review identified gaps in the operation of bio-digesters under psychrophilic temperature in low-income countries and recommends operational consistencies in full scale psychrophilic biogas plants through development of standards, operational guidelines, and users' trainings.

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Section: Low-cost Thermal Enhancement Measuresmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Household biogas technology in the cold climate of low-income countries: a review of sustainable technologies for accelerating biogas generation

Lohani,

Shaw,

Shrestha

et al. 2024

Prog. Energy

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“…Currently, the cathode materials focus on layered structure LiCoO 2 , LiNiO 2 , LiMnO 2 and spinel LiMn 2 O 4 . Among these materials, the spinel LiMn 2 O 4 has received a great deal of attention as the most promising cathode material for lithium secondary batteries due to its excellent safety, low cost, non-toxicity, environmental friendly, easy preparation and excellent voltage profile characteristics [2,3].…”

Section: Introductionmentioning

confidence: 99%

Effect of β-Cyclodextrin on Electrochemical Properties of LiMn<sub>2</sub>O<sub>4</sub> Synthesized by Solid-State Combustion Synthesis

Bai

Zhou

Peng

et al. 2013

AMR

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Spinel LiMn2O4 cathode material was rapidly prepared by solid-state combustion synthesis which used lithium carbonate and manganese carbonate as raw materials and β-cyclodextrin as a fuel. The effects of amount of β-cyclodextrin and calcination temperature on their structure and electrochemical properties were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), galvanostatic charge-discharge test and cyclic voltammetry (CV). The optimal synthesis conditions were found to be 5 wt% β-cyclodextrin. Under these conditions, high-purity spinel LiMn2O4 was obtained, and its discharge specific capacity was 110.5 mAh/g in the first cycle and still retained at 99.9 mAh/g after 40 cycles.

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Application of Solar Heating System in Biogas Production

Cited by 2 publications

References 3 publications

Household biogas technology in the cold climate of low-income countries: a review of sustainable technologies for accelerating biogas generation

Household biogas technology in the cold climate of low-income countries: a review of sustainable technologies for accelerating biogas generation

Effect of β-Cyclodextrin on Electrochemical Properties of LiMn<sub>2</sub>O<sub>4</sub> Synthesized by Solid-State Combustion Synthesis

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