以模拟选矿废水为研究对象，对不同的絮凝剂和助凝剂进行筛选组合并优化实验参数，使处理后选矿废水达到选矿用水水质要求。探究的实验因素包括混凝剂种类、助凝剂种类、氯化钙投加量、pH值、搅拌速度、搅拌时间、静置时间等。数据集共包含591个数据。", "ds_source": "
室内实验，自主产生。", "ds_process_way": "
将配制好的1L选矿废水放置在六联搅拌机上，投加不同种类和剂量的混凝剂、助凝剂，以160 r/min快速搅拌3 min，60 r/min慢速搅拌5 min，静置沉降30 min后，取上清液测其浊度并计算去除率，筛选出最优的混凝剂和助凝剂以及最佳投加量，进一步优化混凝搅拌强度、混凝搅拌时间、静置沉降时间等影响因素，确定最佳的钨矿难沉降废水混凝处理的实验参数。
\n模拟选矿废水的悬浮物浓度根据《GB 11901 水质悬浮物的测定重量法》( 检出限为5 mg/L) 标准测定，浊度采用经福尔马肼浊度标准液校准过的散射光浊度仪测定。", "ds_quality": "
数据质量良好。", "ds_acq_start_time": "2019-10-01 00:00:00", "ds_acq_end_time": "2019-10-31 00:00:00", "ds_acq_place": "北京市", "ds_acq_lon_east": 115.7, "ds_acq_lat_south": 39.36666666666667, "ds_acq_lon_west": 117.4, "ds_acq_lat_north": 41.6, "ds_acq_alt_low": null, "ds_acq_alt_high": null, "ds_share_type": "apply-access", "ds_total_size": 9602400, "ds_files_count": 2, "ds_format": "excel", "ds_space_res": null, "ds_time_res": "日", "ds_coordinate": "无", "ds_projection": "", "ds_thumbnail": "c985af7a-1d67-4e68-9d7d-e9d36d47834f.jpg", "ds_thumb_from": 0, "ds_ref_way": "章丽萍，难沉降钨矿选矿废水处理研究数据集（2019年10月），国家冰川冻土沙漠科学数据中心(www.ncdc.ac.cn)，2022，doi：10.12072/ncdc.UTCMW.db2141.2022", "paper_ref_way": "", "ds_ref_instruction": "使用申明：“难沉降钨矿选矿废水处理研究数据集（2019年10月）”来源于国家重点研发计划《大型煤矿和有色矿矿井水高效利用技术与示范》（项目编号：2018YFC0406400）。", "ds_from_station": null, "organization_id": "4f9aad20-0a6f-4efd-9b8b-70cd10164ea3", "ds_serv_man": "敏玉芳", "ds_serv_phone": "0931-4967596", "ds_serv_mail": "ncdc@lzb.ac.cn", "doi_value": "10.12072/ncdc.UTCMW.db2141.2022", "subject_codes": [ "170.50" ], "quality_level": 3, "publish_time": "2022-05-30 17:39:24", "last_updated": "2022-05-31 08:44:38", "protected": false, "protected_to": null, "lang": "zh", "cstr": "11738.11.ncdc.UTCMW.db2141.2022", "i18n": { "en": { "title": "Research data set on beneficiation wastewater treatment of refractory tungsten ore (October 2019)", "ds_format": "", "ds_source": "
\nIndoor experiment, self generated.", "ds_quality": "
<p> Good data quality.\n\nTaking the simulated beneficiation wastewater as the research object, different flocculants and coagulant aids were screened and combined, and the experimental parameters were optimized to make the treated beneficiation wastewater meet the requirements of beneficiation water quality. The experimental factors to be explored include the type of coagulant, the type of coagulant aid, the dosage of calcium chloride, pH value, stirring speed, stirring time, standing time, etc. The data set contains a total of 591 data.
", "ds_time_res": "日", "ds_acq_place": "Beijing", "ds_space_res": "", "ds_projection": "", "ds_process_way": "\nPlace the prepared 1L beneficiation wastewater on the six unit mixer, add different kinds and doses of coagulants and coagulant aids, mix quickly at 160 R / min for 3 minutes, slowly at 60 R / min for 5 minutes, and settle for 30 minutes. Then take the supernatant, measure its turbidity and calculate the removal rate, screen out the best coagulant and coagulant aids and the best dosage, and further optimize the influencing factors such as coagulation mixing intensity, coagulation mixing time and static settlement time, Determine the best experimental parameters of coagulation treatment of tungsten mine refractory wastewater
\nThe suspended matter concentration of simulated beneficiation wastewater is determined according to the standard of GB 11901 water quality - Determination of suspended matter - Gravimetric method (detection limit: 5 mg / L), and the turbidity is determined by the scattered light turbidimeter calibrated with formalin turbidity standard solution.", "ds_ref_instruction": " Statement of use: \"research data set on beneficiation wastewater treatment of refractory tungsten ore\" comes from the national key research and development plan \"technology and demonstration of efficient utilization of mine water in large coal mines and nonferrous mines\" (Project No.: 2018yfc0406400)." } }, "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": [ "钨矿", "选矿废水", "絮凝剂", "助凝剂" ], "ds_subject_tags": [ "地质学" ], "ds_class_tags": [], "ds_locus_tags": [ "北京市" ], "ds_time_tags": [ 2019 ], "ds_contributors": [ { "true_name": "章丽萍", "email": "haozimei77@163.com", "work_for": "中国矿业大学（北京）化学与环境工程学院", "country": "中国" } ], "ds_meta_authors": [ { "true_name": "章丽萍", "email": "haozimei77@163.com", "work_for": "中国矿业大学（北京）化学与环境工程学院", "country": "中国" } ], "ds_managers": [ { "true_name": "敏玉芳", "email": "myf@lzb.ac.cn", "work_for": "中国科学院西北生态环境资源研究院", "country": "中国" } ], "category": "其他" }