金海湖湖水经精密过滤-超滤预处理，反渗透/纳滤系统脱盐。待压力和流速稳定半小时后，记录水回收率。精密过滤系统采用过滤精度5 μm的袋式滤芯和熔喷滤芯串联，精密过滤操作压力0.3MPa。超滤系统采用聚偏氟乙烯管式膜（平均孔径 0.1 μm，膜管内径8 mm，天津海普尔），超滤操作压力0.13 MPa，循环流量43~45 m3/h，产水流量控制在2 m3/h。脱盐系统采用商品化聚酰胺4040卷式反渗透和纳滤膜组件（VNF2和ULP100，贵阳时代沃顿有限公司）。湖水含盐量4.5~7.8 g/L，进水流量 2 m3/h，脱盐系统为4RO-4NF，操作压力1.3~1.8 MPa，水温30 ± 2℃。测量精确至小数点后两位。当湖水含盐量外推至10 g/L，操作压力1.5 MPa时，回收率可达60%以上，达到项目书考核指标。", "ds_source": "
实验获得。", "ds_process_way": "
湖水含盐量4.5~7.8 g/L，进水流量 2 m3/h，脱盐系统为4RO-4NF，操作压力1.3~1.8 MPa，水温30 ± 2℃时，实验测得水回收率。", "ds_quality": "
(1)数据生产过程：金海湖湖水经精密过滤-超滤预处理，反渗透/纳滤系统脱盐。待压力和流速稳定半小时后，记录水回收率。精密过滤系统采用过滤精度5 μm的袋式滤芯和熔喷滤芯串联，精密过滤操作压力0.3 MPa。超滤系统采用聚偏氟乙烯管式膜（平均孔径 0.1 μm，膜管内径8 mm，天津海普尔），超滤操作压力0.13 MPa，循环流量43~45 m3/h，产水流量控制在2 m3/h。脱盐系统采用商品化聚酰胺4040卷式反渗透和纳滤膜组件（VNF2和ULP100，贵阳时代沃顿有限公司）。\n
\n(2)方法: 湖水含盐量4.5~7.8 g/L，进水流量 2 m3/h，脱盐系统为4RO-4NF，操作压力1.3~1.8 MPa，水温30 ± 2℃。测量精确至小数点后两位。\n
\n(3)结果：当湖水含盐量外推至10 g/L，操作压力1.5 MPa时，回收率可达60%以上，达到项目书考核指标。", "ds_acq_start_time": "2020-07-20 00:00:00", "ds_acq_end_time": "2020-11-15 00:00:00", "ds_acq_place": "天津市滨海新区金海湖", "ds_acq_lon_east": null, "ds_acq_lat_south": null, "ds_acq_lon_west": null, "ds_acq_lat_north": null, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 91020, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "8eacf0a1-e9b1-4d4e-b3a0-13e6541cb6c2.png", "ds_thumb_from": 0, "ds_ref_way": "杜润红，天津金海湖湖水淡化系统水回收率随湖水含盐量变化数据集（2020年7-11月），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2021，doi：10.12072/ncdc.MDBW.db0005.2021", "paper_ref_way": "", "ds_ref_instruction": "", "ds_from_station": null, "organization_id": "d6a6694f-4988-40e1-ac47-a19692c05b3d", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "", "subject_codes": null, "quality_level": 0, "publish_time": "2021-11-05 15:13:52", "last_updated": "2021-11-05 15:21:17", "protected": true, "protected_to": "2026-10-29 00:00:00", "lang": "zh", "cstr": "11738.11.ncdc.MDBW.2021.3", "i18n": { "en": { "title": "Data set of variation of water recovery rate of Tianjin Jinhai Lake desalination system with salt content of lake water (July November 2020)", "ds_format": "", "ds_source": "
Experimental results were obtained.", "ds_quality": "
(1) Data production process: the water of Jinhai lake is pretreated by precision filtration ultrafiltration and desalted by reverse osmosis / nanofiltration system. After the pressure and flow rate stabilize for half an hour, record the water recovery rate. The precision filtration system adopts filtration accuracy of 5 μ M bag filter element and melt blown filter element are connected in series, and the operating pressure of precision filtration is 0.3 MPa. The ultrafiltration system adopts polyvinylidene fluoride tubular membrane (average pore diameter 0.1) μ m. The inner diameter of membrane tube is 8 mm, Tianjin haipur), the ultrafiltration operating pressure is 0.13 MPa, the circulating flow is 43 ~ 45 m3 / h, and the produced water flow is controlled at 2 m3 / h. The desalination system adopts commercial polyamide 4040 roll reverse osmosis and nanofiltration membrane modules (vnf2 and ulp100, Guiyang times Wharton Co., Ltd.).\n
\n(2) Methods: the salt content of lake water is 4.5 ~ 7.8 g / L, the inflow flow is 2 m3 / h, the desalination system is 4ro-4nf, the operating pressure is 1.3 ~ 1.8 MPa, and the water temperature is 30 ± 2 ℃. The measurement is accurate to two decimal places.\n
\n(3) Results: when the salt content of lake water was extrapolated to 10 g / L and the operating pressure was 1.5 MPa, the recovery rate was more than 60%, which reached the assessment index of the project document.", "ds_ref_way": "", "ds_abstract": "
The water of Jinhai lake is pretreated by precision filtration ultrafiltration and desalted by reverse osmosis / nanofiltration system. After the pressure and flow rate stabilize for half an hour, record the water recovery rate. The precision filtration system adopts filtration accuracy of 5 μ M bag filter element and melt blown filter element are connected in series, and the operating pressure of precision filtration is 0.3MPa. The ultrafiltration system adopts polyvinylidene fluoride tubular membrane (average pore diameter 0.1) μ m. The inner diameter of membrane tube is 8 mm, Tianjin haipur), the ultrafiltration operating pressure is 0.13 MPa, the circulating flow is 43 ~ 45 m3 / h, and the produced water flow is controlled at 2 m3 / h. The desalination system adopts commercial polyamide 4040 roll reverse osmosis and nanofiltration membrane modules (vnf2 and ulp100, Guiyang times Wharton Co., Ltd.). The salt content of lake water is 4.5 ~ 7.8 g / L, the inlet flow is 2 m3 / h, the desalination system is 4ro-4nf, the operating pressure is 1.3 ~ 1.8 MPa, and the water temperature is 30 ± 2 ℃. The measurement is accurate to two decimal places. When the salt content of lake water is extrapolated to 10 g / L and the operating pressure is 1.5 MPa, the recovery rate can reach more than 60%, reaching the assessment index of the project document.
", "ds_time_res": "", "ds_acq_place": "Jinhai lake, Binhai New Area, Tianjin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "When the salt content of lake water is 4.5 ~ 7.8 g / L, the inflow flow is 2 m3 / h, the desalination system is 4ro-4nf, the operating pressure is 1.3 ~ 1.8 MPa, and the water temperature is 30 ± 2 ℃, the water recovery rate is measured experimentally.", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "ds_topic_tags": [ "纳滤", "反渗透", "含盐量", "水回收率" ], "ds_subject_tags": [ "水文化学" ], "ds_class_tags": [], "ds_locus_tags": [ "天津市滨海新区金海湖" ], "ds_time_tags": [ 2020 ], "ds_contributors": [ { "true_name": "杜润红", "email": "durunhong@tiangong.edu.cn", "work_for": "天津工业大学", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "杜润红", "email": "durunhong@tiangong.edu.cn", "work_for": "天津工业大学", "country": "中国" } ], "ds_managers": [ { "true_name": "杜润红", "email": "durunhong@tiangong.edu.cn", "work_for": "天津工业大学", "country": "中国" } ], "category": "其他" }