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Exploring the energy-food-health nexus in India: the role of human excreta in developing sustainable rural futures

探索印度的能源-食品-健康关系：人类排泄物在发展可持续农村未来中的作用

基本信息

批准号：
2115551
负责人：
金额：
--
依托单位：
University of Stirling
依托单位国家：
英国
项目类别：
Studentship
财政年份：
2018
资助国家：
英国
起止时间：
2018 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=studentship-2115551
关键词：
Exploring energy food health nexus

项目摘要

Despite ongoing efforts to improve access to energy in India, approximately 240 million people remain without access to electricity. Of this, over 90% live in rural areas, where the lack of access to modern energy has significant implications for economic development, rural livelihoods, environmental sustainability in addition to social dignity & health. In many areas of India, providing energy for the most basic of needs such as cooking and lighting is still a major challenge for the rural poor with the majority of rural households depending on traditional biomass fuels (firewood and agro-waste) and kerosene, both of which have serious health and environmental implications. The potential benefits of these small-scale anaerobic digesters (ADs) are three-fold; they provide a clean, cheap alternative fuel; they produce a marketable biofertiliser; they reduce gender divisions of labour by reducing the need for women and children to collect fuel wood. AD technologies that able to convert toilet wastes into methane biogas are in their infancy; however, such toilet systems have the potential to improve sanitation and reduce disease burden in rural communities in the Global South. Despite the potential of this underutilised resource to reduce poverty by improving energy access, reduce the prevalence of diarrhoeal diseases and facilitate more sustainable livelihoods, there are significant social & cultural challenges facing the use of biogas derived from human excreta. The overarching aim of this studentship will be to quantify and enhance the role of domestic toilet AD systems for improving sustainable rural futures in India by, (i) increasing rural household energy security (ii) improving sanitation through the removal of harmful pathogens and (iii) increasing food security and sustainable livelihoods by producing a product that is safe to use as a soil amendment in agronomic systems. Central to this project will be an evaluation of the social & cultural acceptability of handling & processing human excreta in rural India.

尽管印度正在努力改善能源供应，但仍有约2.4亿人用不上电。其中90%以上生活在农村地区，缺乏现代能源对经济发展、农村生计、环境可持续性以及社会尊严和健康都有重大影响。在印度许多地区，为烹饪和照明等最基本需求提供能源仍然是农村穷人面临的一项重大挑战，因为大多数农村家庭依赖传统的生物质燃料（木柴和农业废料）和煤油，这两种燃料都对健康和环境产生严重影响。这些小型厌氧消化器的潜在好处有三个方面：它们提供了一种清洁、廉价的替代燃料;它们生产了一种可销售的生物肥料;它们通过减少妇女和儿童收集薪材的需要来减少性别分工。能够将厕所废物转化为甲烷沼气的AD技术尚处于起步阶段;然而，此类厕所系统有可能改善全球南方农村社区的卫生条件并减少疾病负担。尽管这种未充分利用的资源有可能通过改善能源供应来减少贫困，减少肠道疾病的流行，促进更可持续的生计，但使用人类排泄物产生的沼气面临着重大的社会和文化挑战。该奖学金的总体目标将是量化和提高国内厕所AD系统的作用，以改善印度农村的可持续发展前景，方法是：（一）提高农村家庭能源安全;（二）通过去除有害病原体改善卫生条件;（三）通过生产一种可安全用作农艺系统土壤改良剂的产品，提高粮食安全和可持续生计。该项目的核心是评估印度农村处理和加工人类排泄物的社会和文化可接受性。