湛江湾内湾环境容量计算与排污治理

doi:10.11978/2020086

热带海洋学报 ›› 2021, Vol. 40 ›› Issue (4): 134-142.doi: 10.11978/2020086CSTR: 32234.14.2020086

湛江湾内湾环境容量计算与排污治理

石泳昊¹(), 贾良文²(), 张恒¹, 林怡彤²

1.中山大学海洋科学学院, 广东广州 510275
2.中山大学海洋工程与技术学院, 广东珠海 519082

收稿日期:2020-08-03 修回日期:2020-12-29 出版日期:2021-07-10 发布日期:2021-01-12
通讯作者: 贾良文
作者简介:石泳昊(1994—), 男, 浙江省绍兴市人, 硕士研究生, 从事河口动力、水环境研究。email: 511203288@qq.com
基金资助:
国家重点研发计划项目(2016YFC0402603);广东海洋创新联盟共享机制建立及科技创新发展研究(GDOE[2019]A54)

Environmental capacity calculation and sewage treatment in Inner Zhanjiang Bay

SHI Yonghao¹(), JIA Liangwen²(), ZHANG Heng¹, LIN Yitong²

1. Sun Yat-Sen University, School of Marine Science, Guangzhou 510275, China
2. Sun Yat-Sen University, School of Marine Engineering and Technology, Zhuhai 519082, China

Received:2020-08-03 Revised:2020-12-29 Online:2021-07-10 Published:2021-01-12
Contact: JIA Liangwen
Supported by:
National Key Research and Development Project(2016YFC0402603);Research on the Establishment of Sharing Mechanism and Scientific and Technological Innovation Development of Guangdong Marine Innovation Alliance(GDOE[2019]A54)

摘要/Abstract

摘要：

本文基于TELEMAC-MASCARET数值模型系统, 将主要污染物作为示踪剂加入到二维水动力模型中, 采用模型试算法计算了湛江湾内湾环境容量, 并在环境容量计算和陆源污染调查的基础上, 提出了排污治理的措施。计算结果显示, 2019年湛江湾内湾排污口污染物COD (Chemical Oxygen Demand)、DIN (Dissolved Inorganic Nitrogen)、DIP(Dissolved Inorganic Phosphorus)和石油类的环境容量分别为11721t·a^-1、1388t·a^-1、141t·a^-1和326t·a^-1, 排污口点源污染物COD、DIN、DIP和石油类的剩余环境容量总量分别为10426t·a^-1、213t·a^-1、70t·a^-1和314t·a^-1。根据这一结果, 本文认为应削减南调街麻屈垉、龙头镇消坡垉出入水口、坡头区科技产业园官渡园区和湛江市城市污水处理有限公司坡头水质净化厂排污口超标水质因子的排放量, 同时提出了相应的排污治理对策: 污水处理、管网建设、新建污水处理厂、排污口调配。

关键词: 湛江湾内湾, 环境容量, 试算法, 排污治理

Abstract:

We add main pollutants as tracers to the two-dimensional hydrodynamic model of the TELEMAC-MASCARET numerical model system, and test algorithm to calculate the environmental capacity of Inner Zhanjiang Bay. Based on the environmental capacity calculation and sewage treatment survey, we propose some measures for land-based pollution control. In this paper, the environmental capacity of pollutants Chemical Oxygen Demand (COD), Dissolved Inorganic Nitrogen (DIN), Dissolved Inorganic Phosphorus (DIP), and petroleum in Inner Zhanjiang Bay in 2019 is calculated as 11721, 1388, 141, and 326 t·a^-1, respectively. The total environmental capacity of the point source pollutant COD of the discharge outlet is 10426 t·a^-1, DIN is 213 t·a^-1, DIP is 70 t·a^-1, and petroleum is 314 t·a^-1. The discharge of water quality factors should be reduced correspondingly to the entrances and exits of Maquyao in Nantou Street, Xiaopoyao in Longtou Town, Guandu Park of Science and Technology Industrial Park in Potou District, and Potou Water Purification Plant of Zhanjiang City Sewage Treatment Co., Ltd. Meanwhile, we preliminarily propose some corresponding sewage treatment countermeasures: sewage treatment methods, pipe network construction, new sewage treatment plant, and sewage outlet deployment.

Key words: Inner Zhanjiang Bay, environmental capacity, test algorithm, sewage treatment

中图分类号:

P761.4

石泳昊, 贾良文, 张恒, 林怡彤. 湛江湾内湾环境容量计算与排污治理[J]. 热带海洋学报, 2021, 40(4): 134-142.

SHI Yonghao, JIA Liangwen, ZHANG Heng, LIN Yitong. Environmental capacity calculation and sewage treatment in Inner Zhanjiang Bay[J]. Journal of Tropical Oceanography, 2021, 40(4): 134-142.

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排污口	COD/t·a^-1	DIN/t·a^-1	DIP/t·a^-1	石油类/t·a^-1
1号	501.56	67.43	7.80	11.15
2号	2858.55	225.68	21.82	24.07
3号	447.50	49.20	1.43	34.06
4号	2615.53	777.72	87.18	147.42
5号	1585.17	82.43	15.85	26.16
6号	3713.05	185.65	6.96	83.54
合计	11721.35	1388.11	141.04	326.40

排污口	COD/t·a^-1	DIN/t·a^-1	DIP/t·a^-1	石油类/t·a^-1
1号	196.17	105.97	23.28	3.46
2号	311.43	73.84	21.41	3.46
3号	524.13	95.41	14.29	1.61
4号	88.45	4059.02	30.23	2.06
5号	85.28	44.74	2.76	0.75
6号	166.62	162.47	9.17	0.70
合计	1372.08	4541.46	101.14	12.03

排污口	COD/t·a^-1	DIN/t·a^-1	DIP/t·a^-1	石油类/t·a^-1
1号	305.39	0.00	0.00	7.69
2号	2547.11	151.83	0.41	20.61
3号	0.00	0.00	0.00	32.45
4号	2527.08	0.00	56.96	145.36
5号	1499.89	37.69	13.09	25.41
6号	3546.42	23.18	0.00	82.85
合计	10425.90	212.70	70.46	314.37

湛江湾内湾环境容量计算与排污治理

Environmental capacity calculation and sewage treatment in Inner Zhanjiang Bay

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