Portable Biogas Digesters for Domestic Use in Jordanian Villages

Ammar Alkhalidi,Mohammad A Al-Safadi,Mohamad K Khawaja,Audai S Nawafleh,Khaled A Amer

doi:10.3390/recycling4020021

Ammar Alkhalidi, Mohammad A Al-Safadi + Show 3 more

Open Access

https://doi.org/10.3390/recycling4020021

Copy DOI

Abstract

Essential energy needs are not always met in poor and rural areas of developing counties; therefore, natural energy sources are necessary to mitigate this problem. Rural areas inhabitants utilize methane as a replacement for cooking gas to reduce their gas bill. Methane gas can be produced from a biogas digester; however, operating a large digester in a densely populated village in Jordan can be challenging due to inefficient village waste management systems. On the other hand, using a small-scale portable biogas digester to generate biogas could overcome these problems. In this work, three biogas digester feedstocks for a small portable biogas digester from natural sources available in Jordanian villages such as human and animal waste were designed and evaluated. The three feedstocks are food waste, human waste, and a mixture of human and food waste. The parameters tested were the digester size and the biogas production. The results showed that the best digester for portable application was that which digested a mixture of human and food waste; for a five-member family, this type of digester provided 115% of the family’s cooking gas requirements with a digester volume of 0.54 m3. This design, while applicable for a typical rural Jordanian family, can also be utilized globally.

Highlights

IntroductionIn 2015, the United Nations Development Programme (UNDP) identified 17 Sustainable
In 2015, the United Nations Development Programme (UNDP) identified 17 SustainableDevelopment Goals (SDGs) to be reached by 2030
EveryThefamily hassize itswas food residuals, and since those residuals production digester’s important to determine its ability to be used in have a portable application, the methane production was were important to determine how efficient percentage of the biogas while production, thegas food residuals added to the waste to study the the digester was to cover the family’s cooking gas requirement

Summary

Introduction

In 2015, the United Nations Development Programme (UNDP) identified 17 Sustainable. Development Goals (SDGs) to be reached by 2030. Goal number seven of the UNDP SDGs states the need for affordable, clean, and sustainable energy access for all. One in seven people worldwide does not have access to electricity; most of these people are in rural areas, in addition to three billion people using unhealthy fuels for cooking [1]. Biogas digesters can be used in those rural areas to meet the energy demands and satisfy the UNDP goals with an emphasis on clean and sustainable energy under responsible consumption and production. Waste management is one of the major challenges that face society, especially in developing countries. Waste management and reduction climbed to the top of their priorities’

Methods

Results

Conclusion