ABSTRACT

This paper presents an easy-to-understand and easy-to-use methodology for monitoring the neutralization potential of residues derived from coal preparation. The methodology was developed based on the chemical composition of the waste and the relationship between calcium and sulfur. The effectiveness of this, in the control of residues, is demonstrated through in situ testing in a coal preparation plant in San Juan de Sabinas, Coahuila. The tests were carried out by collecting samples in three waste streams for five days at the plant. The methodology presents a strong linear correlation between the neutralization potential and the Ca/S ratio of 0.91. The estimation of neutralization potential through the Ca/S ratio represents a practical, easy-to-apply methodology that saves time and favors the decision-making required by waste management plans, to avoid the generation of acid drainage in coal waste.

摘要

本文介绍了一种易于理解且易于使用的方法，用于监测选煤过程中残留物的中和潜力。该方法是根据废物的化学成分以及钙和硫之间的关系开发的。通过在科阿韦拉州圣胡安德萨比纳斯的一家选煤厂进行现场测试，证明了这种方法在控制残留物方面的有效性。测试是通过在工厂的三个废物流中收集样品五天来进行的。该方法在中和电位和 0.91 的 Ca/S 比之间呈现出很强的线性相关性。通过 Ca/S 比率估算中和潜力代表了一种实用、易于应用的方法，可以节省时间并有利于废物管理计划所需的决策制定，