事故信息 - 化工安全人

免 F 20031117 美国亚利桑那州DPC公司氯气泄漏致16人住院（编号：SG00003631）

2025-10-10 1535

一、时间地点

时间/日期: 2003-11-17

地点: 美国、亚利桑那 Arizona

二、工厂介绍

公司介绍: DPC Enterprises

所在行业: 精细化工

三、事故介绍

事故类型: 释放/泄漏

事故概述: 2003年11月17日上午11：30左右，位于亚利桑那州格伦代尔市的DPC氯气充装工厂内间歇式氯气洗涤塔内发生不可控的分解反应，有毒有害的氯气泄漏持续将近6个小时。1.5平方英里内的居民和员工被告知迅速撤离，并造成11名警员和5名社区居民因接触氯气入院治疗。

事故后果

死亡人数：人、受伤人数： 16人、疏散人数：人

经济损失： 0万

四、事故原因

直接原因类别

直接原因: 将氯气从铁路槽车转运至罐装槽车过程中，洗涤塔中液碱浓度下降，操作人员没有进行响应，进而导致过度氯化，进而发生氯气泄漏

根本原因类别

根本原因: 1. 当氯气以较高速率排放进入洗涤塔时，DPC公司格伦代尔氯气工厂的漂白剂生产实践与书面的标准生产程序（SOP）明显不同。 2洗涤塔的漂白剂标准生产程序并没有反映出，该生产过程对过氯化的敏感性.

五、事故链

偏离类别

后果类别

六、特征

涉及化学品: 氯气，液碱

涉及单元操作

涉及工业设备: 废气处理单元

涉及工业操作

涉及化学工艺/装置

运营阶段

七、调查报告

文档下载: 20031117 美国亚利桑那州DPC公司氯气泄漏致16人住院.zip

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