[1]张钰莹,侯毅,王磊,等.预加压强化循环结团造粒流化床处理高藻水[J].中国给水排水,2026,42(1):42-47.
　ZHANGYuying,HOUYi,WANGLei,et al.Pre-pressurization Enhanced Circulating Granulation Fluidized Bed for Treating Algae-rich Water[J].China Water & Wastewater,2026,42(1):42-47.
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预加压强化循环结团造粒流化床处理高藻水

中国给水排水[ISSN:1000-4062/CN:12-1073/TU] 卷: 第42卷 期数: 2026年第1期 页码: 42-47 栏目: 出版日期: 2026-01-01
Title:
Pre-pressurization Enhanced Circulating Granulation Fluidized Bed for Treating Algae-rich Water
作者:
张钰莹1,2， 侯毅1,2， 王磊1,2， 黄廷林1,2
（1.西安建筑科技大学 环境与市政工程学院，陕西 西安 710055；2.陕西省环境工程重点实验室，陕西 西安 710055）
Author(s):
ZHANG　Yuying1，2， HOU　Yi1，2， WANG　Lei1，2， HUANG　Tinglin1，2
（1. School of Environmental and Municipal Engineering， Xi’an University of Architecture and Technology， Xi’an 710055， China； 2. Shaanxi Key Laboratory of Environmental Engineering， Xi’an 710055， China）
关键词:
循环结团造粒流化床;  预加压;  藻类;  水源水
Keywords:
circulating granulation fluidized bed;  pre-pressurization;  algae;  source water
摘要:
藻类暴发严重威胁着供水安全，强化藻类去除是水源水处理的关键问题。循环结团造粒流化床技术具备高处理负荷和强水质适应能力，将该系统与预加压联用，探究其对西安某水库水中浊度、有机物及藻类的强化去除效果。中试结果表明，聚合氯化铝（PAC）和聚丙烯酰胺（PAM）的最佳投加量分别为25、1 mg/L，最佳上升负荷为40 m/h。相比未加压，对流化床进水预加压可有效提高浊度、有机物和藻类的去除效果。未加压时系统出水浊度为1.97~2.19 NTU，预加压后出水浊度降为0.59~0.81 NTU；预加压后，系统对藻密度、叶绿素a、CODMn、UV254、TP的去除率分别为91.92%、90.04%、70.45%、57.86%、68.19%，与未加压时相比，藻密度和叶绿素a去除率分别提高了18.19个百分点和13.23个百分点，其中对蓝藻的去除效果影响最为显著，CODMn、UV254去除率分别提高了6.51个百分点和6.96个百分点，对TP的去除率没有明显影响。流化床运行稳定性较高，重启后能在短时间内恢复处理效果。
Abstract:
Algae blooms pose a serious threat to drinking water safety, making enhanced algae removal a critical issue in source water treatment. The circulating granulation fluidized bed (CGFB) technology offers high treatment loading and strong adaptability to varying water quality. This study investigated the enhanced removal of turbidity, organic matters and algae from water of a reservoir in Xi’an by integrating pre-pressurization with the CGFB system. Pilot-scale results indicated that the optimal dosages for polyaluminum chloride (PAC) and polyacrylamide (PAM) were 25 mg/L and 1 mg/L, respectively, with an optimal upflow velocity of 40 m/h. Compared to operation without pre-pressurization, pre-pressurizing the influent to the fluidized bed effectively improved the removal of turbidity, organic matters, and algae. The effluent turbidity without pre-pressurization ranged from 1.97 NTU to 2.19 NTU, whereas with pre-pressurization it decreased to 0.59-0.81 NTU. Under pre-pressurization, the system achieved removal rates of 91.92% for algae density, 90.04% for chlorophyll?a, 70.45% for CODMn, 57.86% for UV254, and 68.19% for TP. Compared to the non-pressurized condition, the removal rates for algal density and chlorophyll-a increased by 18.19 percentage points and 13.23 percentage points, respectively, with the most significant enhancement observed for cyanobacteria removal. The removal rates for CODMn and UV254 increased by 6.51 percentage points and 6.96 percentage points, respectively, while no significant impact was observed on TP removal. The fluidized bed demonstrated high operational stability, with treatment efficiency recovering rapidly after system restart.
更新日期/Last Update: 2026-01-01