Study on Application of Novel Flocculating Agent in Treating Refinery Wastewater with High Concentration of Pollutants

After conducting a lot of screening experiments the appropriate flocculating formulations for treating high-concentration wastewater discharged from a certain refinery were selected. The oil removal rate and COD removal achieved by these flocculating formulations were better than that achieved by the conventional compound formulation consisting of polyaluminium chloride(PAC) and polyacrylamide(PAA) . Addition of an oil/water separating agent to the formulation could improve its oil removal performance to facilitate the oil/water separation of the oil-in-water emulsion in the high-concentration wastewater along with improved adaptability of the formulation to the wastewater containing high concentration of pollutants. This flocculating agent has promising prospects for commercial application.

陶瓷膜催化臭氧氧化处理苯酚模拟水的研究

含酚废水毒性强,易污染环境且不容易处理。通过陶瓷膜催化臭氧氧化处理苯酚模拟水,考察臭氧投加量、初始pH、膜通量和苯酚初始浓度对苯酚去除效果的影响,并探究其反应动力学以及机理。结果表明:在臭氧投加量为3.55 mg/min、初始pH为10.02、膜通量为75 L/(m^2·h)和苯酚初始质量浓度为20 mg/L时,陶瓷膜催化臭氧氧化去除苯酚的效果最好,反应时间为45 min时苯酚的去除率达到100%;陶瓷膜催化臭氧氧化降解苯酚遵循表观拟一级反应动力学规律。TBA(叔丁醇,羟基自由基抑制剂)的对照实验证明,陶瓷膜催化臭氧氧化降解苯酚基本上遵循自由基机理。

基于云平台的炼化企业智慧循环水系统

近年来,随着大数据、云计算技术在炼化行业的应用,通过模型优化产品结构、操作条件,可以显著提升炼化企业效益。随着装置运行,炼油厂内换热器循环水侧会在诸多方面(如pH、电解质组成、电导率等)表现出不同的水质劣化倾向。通过可视化的手段进行分析,可以实现各运行参数解耦,定量调控循环水处理工艺,最大程度推进节能减排。采用云平台作为模型部署基础,以Vue.js作为前端框架,实现了数据存储、可视化等关键功能。将多维度的循环水分析数据整合,构建了水质分析、在线诊断和优化为一体的智慧循环水数据分析系统。介绍了该系统数据存储、可视化、数据优化、在线诊断等功能的实现方式,并通过实例展示该系统在某炼油厂循环水处理优化过程中的应用效果。