2020年采集的天津金海湖湖水经预处理后的出水水样，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检测获得的水质报告。精密过滤系统采用过滤精度5μm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2m3/h。\n
检测内容包括钙离子、镁离子、钾、钠、氯化物、硫酸盐、锰、铁、总有机碳、化学需氧量、总硬度、总碱度、溶解性总固体、颗粒粒径分布。\n
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。", "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:采集金海湖湖水经精密过滤系统或精密过滤-超滤系统预处理后的产水样品，经第三方检测机构检测获得。精密过滤系统采用过滤精度5μm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0.1 μm，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。\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。", "ds_acq_start_time": "2020-07-20 00:00:00", "ds_acq_end_time": "2020-07-23 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": 1748676, "ds_files_count": 4, "ds_format": "pdf", "ds_space_res": null, "ds_time_res": "", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "740bf7d6-a7e4-4b37-8c25-11365d924644.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 15:26:25", "last_updated": "2025-05-29 17:26:49", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.MDBW.2021.13", "i18n": { "en": { "title": "Tianjin Jinhai Lake Lake Pretreatment Effluent Water Quality Dataset (July 20-23, 2020)", "ds_format": "pdf", "ds_source": "
Experimentally obtained.", "ds_quality": "
(1)Data production process:Collecting samples of produced water from the lake water of Jinhai Lake after pretreatment by the precision filtration system or precision filtration-ultrafiltration system, and obtaining them by the third-party testing organization. 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 recirculation flow rate is 43~45 m3/h, and the flow rate of the produced water is controlled at 2 m3/h.\n
(2)Methods and standards: According to “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 Cooling Water EDTA Titration Method” GB/T 15452-2009. The test methods and processes are standardized in the standards.", "ds_ref_way": "", "ds_abstract": "
2020 collected water samples of Tianjin Jinhai Lake water after pre-treatment of the effluent water, the water quality report obtained by the third-party testing organization National Center for Supervision and Inspection of Seawater and Brackish Water Product Quality Utilization Testing. The precision filtration system adopts bag filter element with filtration precision of 5μm and meltblown filter element in series, and the precision filter operating pressure is 0.3MPa. The ultrafiltration system adopts polyvinylidene fluoride tubular membrane (average pore size of 0.1μm, inner diameter of the membrane tube is 8mm, Tianjin Hepel), and the ultrafiltration operating pressure is 0.13MPa, with the recirculation flow rate of 43~45m3/h, and the flow rate of the produced water is controlled at 2m3/h.\n
The test includes calcium ion, magnesium ion, potassium, sodium, chloride, sulfate, manganese, iron, total organic carbon, chemical oxygen demand, total hardness, total alkalinity, total dissolved solids, particle size distribution.\n
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 Cooling Water EDTA Titration Method” GB/T 15452-2009 and other standardized test methods and Procedure.
", "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", "doi_reg_from": "reg_local", "cstr_reg_from": "reg_local", "doi_not_reg_reason": null, "cstr_not_reg_reason": null, "is_paper_in_submitting": false, "ds_topic_tags": [ "苦咸水", "精密过滤", "超滤", "水质", "溶解性总固体", "硬度", "总有机碳", "颗粒粒径" ], "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" }