Abstract
Agribusiness sectors have evolved to a highly diversified level, the fertilizer being their main interest. These products are composed of macronutrients and micro ones essential to life. Zinc is an essential micronutrient, and it is present in fertilizers as zinc oxide. The present work is concerned with assessing, from the sustainable development viewpoint, the entire chain of production and transportation of zinc oxide. It is intended to establish an ecological audit of ZnO by the CES EduPack® software in six different scenarios. The scenario composed only of recycled material for furnace feeding was the one that spent the least energy of all and had the lowest carbon footprint. However, a scenario composed only of pure zinc was the one that spent more energy and had the highest carbon footprint. Transport was the highest consumer of energy and carbon footprint in all scenarios.
Highlights
IntroductionSustainable development is a very hot topic around the world (Harari, 2018; Marques Filho, 2018)
The purpose of the present paper is to investigate both carbon footprint and consumed energy when zinc oxide is manufactured from molten zinc and recycled zinc in a plant located in Três Marias, a city in Minas Gerais, in three different furnace arrangements as well as its distribution to their users
It can be seen that both carbon footprint and consumed energy are higher in battery 4 because it uses only SHG zinc as raw material
Summary
Sustainable development is a very hot topic around the world (Harari, 2018; Marques Filho, 2018). Environmental issues have become a major and alarming concern in people’s lives. What was once apparently infinite has reached a critical point. Many authors (Djassemi, 2011; Javaid et al, 2015; Comitê, 2016; Koronis and Silva, 2018; Hamid and Lim, 2019; Liu et al, 2019) have studied the environmental impacts of different processes trying to restore part of our natural resources. People from different countries have been claiming for public policies to preserve natural resources. Despite being a global problem, as mentioned by Harari (2018), it has to be dealt with on a local basis
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