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8. storage tank water pump to enhance production of nanofiltration pressurized into reverse osmosis system by reverse osmosis, organic salt and high retention capacity, organic matter and further removal of salt. The design of reverse osmosis recovery rate reached 80%, the reverse osmosis system according to the design level two, system design operation pressure of 20 ~ 40bar, the effluent can reach the effluent quality requirements of this project, the reverse osmosis liquid to the reverse osmosis water tank reuse standard.
Sludge treatment process: using sludge thickening + dehydration + incineration treatment
Main production structures and buildings:
The primary sedimentation tank, the regulating tank, the denitrification tank, the nitrification tank, the sludge thickening tank, the concentration liquid pool, the MBR membrane pool, the membrane treatment plant, the sludge dewatering room and the fan workshop.
After the leachate is treated, the effluent quality standard should be up to the standard of "CJ25.1-89".
This paper first introduces the background information of the design, and lists the relevant design basis and principles.
Then, briefly introduces the feature of landfill leachate, and the leachate treatment technology such as aerobic treatment, anaerobic treatment, anaerobic aerobic treatment, physicochemical treatment and land treatment are analyzed and discussed.
The main part of this article will explain the basic principles of the process, the design process, the selection of related structures and equipment.
In the appendix, this paper will give some illustrations of this process.
目录
1 绪论 9
1.1 设计背景 9
1.2 本设计任务的特征和采用方法 10
1.3设计依据 10
1.4设计原则 11
2 工艺比选 11
2.1 设计水量 11
2.2 设计进水水质 12
2.3 设计出水水质 12
2.4 处理方案论证与确定 12
2.4.1 生活垃圾渗滤液处理技术概述 12
2.4.2 渗滤液处理方案比选 20
2.4.3处理工艺比较 27
2.5 工艺流程设计 28
3 渗滤液处理工艺单元计算 30
3.1 筛网计算 30
3.1.1设计参数 30
3.1.2设计计算 30
3.2初沉池 31
3.2.1设计参数 31
1.3.2设计计算 32
3.3调节池 34
3.3.1设计参数 34
1.2.2设计计算 34
3.4生物处理系统 35
3.4.1设计说明 35
3.4.2设计计算 35
3.4.3 A/O系统 36
3.4.5设计参数 36
3.4.6设计计算 37
3.5 外置超滤膜系统