Anaerobic digestion of flower waste for methane production: An alternative energy source

Abstract

The waste generated in temples is presently piled at one place and then disposed off in water bodies or dumped on land to decay which causes several environmental problems such as water, soil pollution, etc. The aim of the paper is to determine the biogas yield by using temple waste as a raw material. A prototype experimental setup has been developed to find the quality of biogas produced by flower waste with the help of gas chromatographer. The experiment was conducted during cold months in the composite climatic conditions of Lucknow, India. Prototype digesters of 2 m3 capacity were used and fed with flower waste which was digested in daily feeding for a retention period of summer and winter seasons. Preliminary results indicate that the process is effective in reducing the pollution potential of the flower waste. The process removed a lot of environmental pollutants as total solids, biochemical oxygen demand (BOD), etc. respectively, along with biogas production. The results of the biogas from flower waste were compared as 43%–50% methane (CH4) and 44%–50% carbon dioxide (CO2) during winter season (December to February) and 50%–54% methane (CH4) and 40%–43% carbon dioxide (CO2) during summer season (March to May). © 2011 American Institute of Chemical Engineers Environ Prog, 2011

Synergistic Biohydrogen Production from Flower Wastes and Sewage Sludge

“…Besides the co-substrates mentioned above, flower waste also presents a promising alternative for sludge co-fermentation due to its high available carbohydrate content (50–80%) and high C/N ratio (>20) . In recent years, flower planting and processing has been gradually increasing, leading to flower waste also increasing . If such flower waste was recycled as an available source through co-fermenting with sludge for hydrogen production, it could synchronously bring considerable environmental benefits and large amounts of renewable energy.…”

“…17 In recent years, flower planting and processing has been gradually increasing, leading to flower waste also increasing. 18 If such flower waste was recycled as an available source through co-fermenting with sludge for hydrogen production, it could synchronously bring considerable environmental benefits and large amounts of renewable energy. However, few studies have been performed on the hydrogen co-fermentation of sludge and flower waste.…”

Novel green approaches towards utilization of flower waste: A review

“…therefore this technology is developed to generate energy (Agarwal, 2011). Singh and Bajpai (2012) studied on anaerobic digestion for methane production from flower waste and resulted that the process of digestion eliminated the pollution effects and removed pollutants like BOD and TS. During winter season (December to February), the biogas production of methane and carbon dioxide was 43%-50%, 44%-50%, respectively whereas 50%-54% of methane and 40%-43% of carbon dioxide produced during summer season (March to May).…”

Management and sustainable energy production using flower waste generated from temples

“…Flower waste can also be used as raw material to produce biogas by using anaerobic digestion technology (Lakshmi and Vijayalakshmi, 2017). Methane is a potent greenhouse gas (Singh and Bajpai, 2011), by using flower waste for biogas production, it will help to solve three problems firstly reduced emission of methane in the atmosphere and secondly fulfillment of energy needs and lastly reduced soil pollution from decomposition of flower waste (Rashed and Torii, 2015).…”