2020年采集的金海湖湖水经精密过滤-超滤预处理、经反渗透/纳滤系统脱盐后的产水水样，经第三方检测机构国家海水及苦咸水利用产品质量监督检验中心以及中国医学科学院放射医学研究所检测获得的产水水质报告。\n
检测内容包括总大肠菌群、耐热大肠菌群、菌落总数、砷、镉、铬、铅、汞、硒、氰化物、氟化物、硝酸盐氮、三氯甲烷、四氯化碳、色度、浑浊度、pH、铝、铁、锰、铜、锌、氯化物、硫酸盐、溶解性总固体、总硬度、耗氧量、挥发酚类、阴离子合成洗涤剂、钙离子、镁离子、钾、钠、碳酸盐、碳酸氢盐、总碱度、铁、总α、总β。", "ds_source": "
实验获得。
", "ds_process_way": "由第三方检测机构进行水质检测。
", "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/纳滤系统脱盐获得的淡水水样，经第三方检测机构检测获得水质数据。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，精密过滤器操作压力0.3MPa。超滤系统采用聚偏氟乙烯管式膜（平均孔径 0.1μm，膜管内径8mm，天津海普尔），超滤操作压力0.13MPa，循环流量43~45m3/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），操作压力1.3MPa，进水含盐量7.5g/L，水温30±2℃，进水流量2m3/h，脱盐膜组装形式为4RO-4NF。\n
(2)方法和标准规范：根据《生活饮用水标准检验方法》GB/T 5750-2006、《水质钾和钠的测定 火焰原子吸收分光光度法》GB/T 11904-1989、《工业循环冷却水中钙、镁离子的测定 EDTA滴定法》GB/T 15452-2009等标准规范测试方法和流程。\n
(3)结果：淡化系统产水水质达到饮用水标准，达到任务书考核指标。
", "ds_acq_start_time": "2020-07-23 00:00:00", "ds_acq_end_time": "2020-09-06 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": "login-access", "ds_total_size": 4745105, "ds_files_count": 5, "ds_format": "pdf", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "507202f3-78c7-4ef9-a2ea-422094c6af73.png", "ds_thumb_from": 0, "ds_ref_way": "", "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": [ "170.5515" ], "quality_level": 3, "publish_time": "2021-10-22 15:27:21", "last_updated": "2025-05-29 17:26:50", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.MDBW.2021.10", "i18n": { "en": { "title": "Water quality dataset of produced water from the desalination system of Tianjin Jinhai Lake (July-September 2020)", "ds_format": "pdf", "ds_source": "Experimentally obtained.
", "ds_quality": "(1)Data production process: freshwater water samples obtained from Jinhai Lake water by precision filtration-ultrafiltration pretreatment and desalination by reverse osmosis/nano-filtration system are tested by a third-party testing organization to obtain water quality data. The precision filtration system adopts bag filter element with filtration precision of 5 μm and meltblown filter element in series, and the operating pressure of the precision filter is 0.3 MPa. The ultrafiltration system adopts polyvinylidene fluoride tubular membrane (average pore size of 0.1 μm, inner diameter of the membrane tube is 8 mm, Tianjin HaiPuLu), and the operating pressure of the ultrafiltration is 0.13 MPa, and the circulating flow rate is 43~45 m3/h, and the flow rate of the produced water is controlled at 2 m3/h. Desalination system Commercial polyamide 4040 rolled reverse osmosis and nanofiltration membrane module (VNF2 and ULP100, Guiyang Times Walton Co., Ltd.), operating pressure 1.3 MPa, feed water salt content 7.5 g/L, water temperature 30 ± 2 ℃, feed water flow rate of 2 m3/h, desalination membrane assembly in the form of 4RO-4NF.\n
(2)Methods and standards: According to the “standard test methods for drinking water” GB/T 5750-2006, “Determination of potassium and sodium in water quality flame atomic absorption spectrophotometry” GB/T 11904-1989, “Determination of calcium and magnesium ions in industrial circulating coolant water EDTA titration method” GB/T 15452-2009 The test method and process are regulated by other standards.\n
(3) Results: desalination system produced water quality to meet the drinking water standards, to meet the task book assessment indicators.
", "ds_ref_way": "", "ds_abstract": "2020 collected by the Jinhai Lake lake water by precision filtration - ultrafiltration pretreatment, by reverse osmosis / nanofiltration system desalination of produced water water samples, by the third-party testing organization of the National Center for Supervision and Inspection of the Quality of Seawater and Brackish Water Use Products, as well as the Chinese Academy of Medical Sciences Institute of Radiology and Medical Research test to obtain the produced water quality report.\n
Test content includes total coliforms, heat-resistant coliforms, total bacterial count, arsenic, cadmium, chromium, lead, mercury, selenium, cyanide, fluoride, nitrate nitrogen, trichloromethane, carbon tetrachloride, chromaticity, turbidity, pH, aluminum, iron, manganese, copper, zinc, chloride, sulfate, total dissolved solids, total hardness, oxygen consumption, volatile phenols, anionic synthetic detergents, calcium ions, magnesium ions, zinc ions, and so on. Calcium ions, magnesium ions, potassium, sodium, carbonate, bicarbonate, total alkalinity, iron, total alpha, total beta.
", "ds_time_res": "", "ds_acq_place": "Jinhai Lake, Binhai New Area, Tianjin", "ds_space_res": "", "ds_projection": "", "ds_process_way": "Water quality testing by a third-party testing organization.
", "ds_ref_instruction": "" } }, "submit_center_id": "ncdc", "data_level": 0, "license_type": "CC BY 4.0", "ds_topic_tags": [ "苦咸水", "脱盐", "水质", "溶解性总固体", "硬度", "总有机碳" ], "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" }