褐煤基有机质-乌梁素海底泥复配利用及其效果评估

卜若凡; 陈慧华; 陈亮; 郭力莉

doi:10.13205/j.hjgc.202507005

褐煤基有机质-乌梁素海底泥复配利用及其效果评估

doi: 10.13205/j.hjgc.202507005

卜若凡^1,2,
陈慧华³,
陈亮^1,2, ,,
郭力莉⁴

1. 天津大学水利工程智能建设与运维全国重点实验室, 天津 300350;
2. 天津大学建筑工程学院, 天津 300350;
3. 金华华创环保工程有限公司, 浙江金华 321017;
4. 元泰丰(包头)生物科技有限公司, 内蒙古包头 014100

基金项目:

国家自然科学基金项目“典型木本植物根系强化包气带非均质性影响下渗流过程中水量水质耦合响应机制研究”（42277046）

详细信息

作者简介:
卜若凡（1999-），女，硕士，主要从事水环境保护及水生态修复。buruofanda@163.com.cn

通讯作者:
陈亮（1985—），男，副教授，博士，主要从事水环境保护及水生态修复。liangchen@tju.edu.cn

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出版历程
- 收稿日期: 2024-06-11
- 录用日期: 2024-08-20
- 修回日期: 2024-08-02
- 网络出版日期: 2025-09-11

Composite utilization and effectiveness evaluation of lignite-based organic matter and Wuliangsuhai Lake sediment

BU Ruofan^1,2,
CHEN Huihua³,
CHEN Liang^{1,2
, ,},
GUO Lili⁴

1. State Key Laboratory of Hydraulic Engineering Intelligent Construction and Operation, Tianjin University, Tianjin 300350, China;
2. School of Civil Engineering, Tianjin University, Tianjin 300350, China;
3. Jinhua Huachuang Environmental Protection Engineering Co., Ltd., Jinhua 321017, China;
4. Apaxfon (Baotou) Biological Science and Technologies Co., Ltd., Baotou 014100, China

摘要

摘要: 针对乌梁素海底泥资源化利用问题，基于差分进化算法建立多目标优化模型，综合考虑营养物质、毒害物质和经济成本，优化确定乌梁素海底泥与褐煤基有机质复配方案，并参照NY/T 525—2021《有机肥料》对复配产品进行评价。同时，选取小白菜开展盆栽实验，探究不同肥土比（5%~15%）下各复配比例产品（4%~51%的乌梁素海底泥对应96%~49%的褐煤基有机质复配，分别为BL1—BL5组）对小白菜生长和土壤肥力的影响。结果表明：与未施肥组相比，褐煤基有机质-乌梁素海底泥复配产品施用量与小白菜株高、鲜重、干重和土壤有机质含量呈正相关；与单施褐煤基有机质组相比，各肥土比下BL4组（底泥41%与褐煤基有机质59%）对小白菜株高的提升率最高可达23.4%，对其叶绿素含量的提升率最高可达25.8%，对其鲜重的提升率最高可达280%；同时，与未施肥组相比，复配产品的施用使土壤有机质含量增加95%~443%，有效提高了土壤肥力水平，且施用复配产品后土壤重金属含量均远低于农用地土壤污染风险筛选值。综合考虑，发现BL4组褐煤基有机质-乌梁素海底泥复配产品为最优比例，且在土壤中施用时肥土比不宜超过10%。
- 乌梁素海 /
- 底泥 /
- 褐煤 /
- 有机肥 /
- 资源化利用
Abstract: Regarding the resource utilization of Wuliangsuhai Lake sediment， a multi-objective optimization model based on a differential evolution algorithm was established， and the mixing ratio of Wuliangsuhai Lake sediment and lignite-based organic matter was optimized based on the nutrients， toxic substances， and economic costs. Meanwhile， the composite products were evaluated according to China agricultural standard Organic Fertilizer（NY/T 525—2021）. In addition， pot experiments were conducted on Chinese cabbage to investigate the effects of different compound ratios （4%~51% Wuliangsuhai Lake sediment and 96%~49% lignite-based organic matter， including groups BL1—BL5） on its growth and soil fertility under different fertilizer-to-soil ratios （5%~15%）. The results showed that compared with the non-fertilized group， the application rate of the composite products containing Wuliangsuhai Lake sediment and lignite-based organic matter was directly proportional to the plant height， fresh weight， and dry weight of Chinese cabbage， as well as the soil organic matter content； compared with applying lignite-based organic matter alone， the BL4 group （41% sediment and 59% Wuliangsuhai Lake sediment） under various fertilizer-to-soil ratios increased the height of Chinese cabbage plants by up to 23.4%， the chlorophyll content by up to 25.8%， and the fresh weight by up to 280%； at the same time， compared with the non-fertilized group， the application of composite products increased the soil organic matter content by 95% to 443%， effectively improving the soil fertility level. Moreover， the heavy metal contents in the soil after applying the composite products were significantly lower than the soil pollution risk screening value for agricultural soil. Overall， it was found that the BL4 group of Wuliangsuhai Lake sediment and lignite-based organic matter composite products is the optimal ratio， and the fertilizer to soil ratio should not exceed 10% when applied in soil.
- Wuliangsuhai Lake /
- sediment /
- lignite /
- organic fertilizer /
- resource utilization

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