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1、1项目概况2设计基础33水质分析34、工艺选择5、设备规范166、供货清单167、附件181项目概况本方案是按业主要求，对联合化工集团公司除盐水工程中一级R0浓水回收进行方案设计。处理对象为除盐水工程中所有废水，最大约148.5t/ho2设计基础原水水源及水质◊原水水源：原水为循环排污水经过R0浓缩后的浓水进行回收水质：循环排污水水质按黄河水浓缩倍率4.0计（业主要求）。R0的回收率为70%,约3.33倍3水质分析1）按前期投标给定的原水水质，一级R0计算结果◊单位：（mg/1,离子态）设计水温：20°C水质指标给水调节后的给水浓水产品水第1段第2段第
2、1段第2段总计NH410.0010.0019.3431.310.641.450.87K76.0076.00151.22251.460.601.460.85Na245.00245.00487.53810.861.874.512.63Mg76.0076.00151.60252.740.210.500.30Ca218.00218.00434.87725.010.601.420.83Sr0.000.000.000.000.000.000.00Ba0.000.000.000.000.000.000.00CO39.160.913.8610360.000.000.0
3、0HCO3236.70234.59462.49760.962.134.762.87NO323.0023.0043.8469.992.114.782.87Cl361.17372.24740.971232.742.606.303.66F().000.000.000.000.000.000.00SO4746.00746.001488.262481.401.934.582.69SiO255.0055.00109.56182.510.310.570.3却CO20.858.419.6112.00&6010.279.09
4、TDS2056.032056.744093.
5、546809.3613.0030.3517.96
6、PH8.507.507.687.755.635.895.73
7、本次浓水回收的水质参数为上述表格中红色加粗字体的数值，从上表可以看出：一级R0浓水(70%回收)中硬度.二氧化硅、含盐量特别高，其中S04的含量约2500ppm,但水质中缺少锁(Ba),锂(Sr)的含量值，而这两种元素和S04同时存在时，对膜的结垢性趋势影响非常大，也决定了浓水R0的回收率。通过阻垢剂计算软件进行计算，针对以上水质的阻垢效果计算如下:UserSelection:FLOCON260RecommendedDoseRates:1L8
8、mg/1・Feed,Est.FLOCON260usage(100%)39.10kgs/day阻垢剂类型23.6mg/1-Concentrate加药量14.2814mt/yrSystemInformationFeedwaterType:FeedwaterFlow:FlowUnits:m3/hrTreatedCity/MunicipalPotableWater138.()ConcentrateFlow:69.0PermeateFlow:69.0SystemRecovery:50.00%RecycleFlow:0.0RORecovery:50.00%浓水RO
9、回收率ROMembraneType:ThinFilmHighRejectionMembraneRejection:99.22%Ca++725.01725.011,044.322.321,447.17Mg++252.74252.74364.040.85504.45Na+810.86810.861J65.408.791,612.13K+251.46251.46361.322.94499.73NH4+31.3131.3144.740.9661.61Ba++0.000.000.000.000.00Sr++0.000.000.000.000.00Fe2+/3+0
10、.000.000.000.000.00A1+++0.000.000.000.000.00mg/1,25.0CRawFeedTreatedFeedAverageFeedProductConcentrateHCO3-760.96760.96l,08&049.851,494.74Cl・1,232.741,232.741,771.7413.382,450.90SO4-・2,481.402,481.403,573.978.654,952.34F-0.000.000.000.000.00NO3-69.9969.99100.241.60138.28PO4—0.000
11、.000.000.000.00SiO2182.51182.51262.721.44363.58
