垃圾渗滤液DTRO浓缩液全量处理中试研究

doi:10.19965/j.cnki.iwt.2021-0297

摘要/Abstract

摘要：

采用正渗透（FO）—低温蒸发—固化耦合工艺对垃圾渗滤液碟管式高压反渗透（DTRO）浓缩液进行全量处理的中试研究。结果表明，经过23 d的连续运行，中试装置的水回收率为64%，产水水质可满足《生活垃圾填埋场污染控制标准》（GB 16889—2008）表 2中排放标准要求；FO膜的平均运行通量为2.02 L/（m²·h），清洗周期为23 d；经过物理清洗和化学清洗后，FO膜的通量恢复率在95%以上，体现出较好的抗污染性能；固化产品的含水率 < 30%，满足运输和填埋要求。中试装置的处理规模为12 m³/d，总投资为300万元，运行成本为73.82元/m³。FO—低温蒸发—固化耦合工艺解决了垃圾渗滤液DTRO浓缩液的全量处理问题，在高盐废水处理领域具有较好的应用前景。

关键词: 正渗透, 垃圾渗滤液, DTRO浓缩液, 低温蒸发, 固化

Abstract:

A pilot study on the treatment of DTRO concentrate from landfill leachate was carried out using a combined process of forward osmosis(FO)-low temperature evaporation-solidification. The results showed that water recovery rate of pilot plant was 64% after 23 days of continuous operation, and the quality of effluent water could meet the discharge standard requirements in Table 2 of Standard for Pollution Control on the Landfill Site of Municipal Solid Waste(GB 16889—2008). The average operating flux of FO membrane was 2.02 L/(m²·h) with rinse period of 23 days. After physical and chemical cleaning, the flux recovery rate of FO membrane was above 95%, suggesting a better anti-pollution performance. The moisture content of the cured product was < 30%, which met the requirements of transportation and landfill. The treatment scale of pilot plant was 12 m³/d, with a total investment of 3 million RMB and an operating cost of 73.82 RMB/m³. The combined process achieved the purpose of total treatment of DTRO concentrate, which has a good application prospect in the field of high salinity wastewater treatment.

Key words: forward osmosis, landfill leachate, DTRO concentrate, low temperature evaporation, solidification

中图分类号:

X703

张若砺,童兴明,钟浩源,杨金平,许心武,王新华. 垃圾渗滤液DTRO浓缩液全量处理中试研究[J]. 工业水处理, 2021, 41(12): 102-108.

Ruoli ZHANG,Xingming TONG,Haoyuan ZHONG,Jinping YANG,Xinwu XU,Xinhua WANG. A pilot-scale study on treating DTRO concentrate of landfill leachate[J]. Industrial Water Treatment, 2021, 41(12): 102-108.

https://www.iwt.cn/CN/Y2021/V41/I12/102

图/表 9

表1 DTRO浓缩液与设计出水水质

Table 1 Quality of DTRO concentrate and design effluent water

项目	DTRO浓缩液	出水要求
COD/(mg-L^-1)	38 705±4 412	100
NH3-N/ (mg ? L^-1)	6 263±927	25
TN/(mg-L^-1)	7 281±1324	40
TP/(mg-L^-1)	84±3	3
SS/(mg*L^-1)	378±31	30
电导率/(滋S ? cm ^-l)	56 560±3 410	100

图1 工艺流程

Fig.1 Technological process

图2 中试装置运行期间进出水水质变化情况

Fig.2 Quality changes of influent and effluent water during pilot plant operation

图3 FO膜通量和水回收率随运行时间的变化

Fig.3 Variation of FO membrane flux and water recovery rate with operating time

图4 FO膜系统循环流量和循环压力随运行时间的变化

Fig.4 Variation of circulating flow and circulation pressure of FO membrane with operation time

图5 FO膜的SEM照片
（a）新膜活性层（b）污染膜活性层

Fig.5 SEM images of FO membrane

表2 FO污染膜的可逆和不可逆污染物类型

Table 2 Types of reversible and irreversible contaminants of FO membrane

项目	TS/(g.m^-2)	VSS/(g.m^-2)	VSS/TS
可逆污染物	9.70±2.5	3.24±1.17	0.33±0.04
不可逆污染物	2.65±0.46	0.74±0.18	0.28±0.02

表3 FO污染膜不可逆污染物的元素组成

Table 3 Elemental composition of irreversible contaminants in FO contaminated membrane

项目	C	S	O	N	Na	Cl
原子分数/%	43.4	22.05	12.84	8.43	4.26	4.04

项目	Si	P	Ca	Mg	Al	Fe
原子分数/%	1.02	0.99	0.89	0.8	0.75	0.54

图6 固化产品

Fig.6 Cured product

参考文献 20

1	张亚通, 朱鹏毅, 朱建华, 等. 垃圾渗滤液膜截留浓缩液处理工艺研究进展[J]. 工业水处理, 2019, 39 (9): 18- 23. URL
2	蒋丽娟, 钮春全, 陈丽莎, 等. 两级DTRO工艺处理垃圾渗滤液工程实践[J]. 环保科技, 2020, 26 (4): 13- 17. doi: 10.3969/j.issn.1674-0254.2020.04.003
3	刘飞. DTRO工艺处理垃圾渗滤液的研究[J]. 环境科技, 2015, 28 (2): 25- 29. URL
4	WANG Huawei , WANG Yanan , LI Xiaoyue , et al. Removal of humic substances from reverse osmosis (RO) and nanofiltration (NF) concentrated leachate using continuously ozone generation-reaction treatment equipment[J]. Waste Management, 2016, 56, 271- 279. doi: 10.1016/j.wasman.2016.07.040
5	汪德生, 郎咸明, 付蕾. 垃圾渗滤液污染治理技术研究进展[J]. 工业水处理, 2007, 27 (2): 6- 9. doi: 10.3969/j.issn.1005-829X.2007.02.002
6	姚远. 填埋场垃圾渗滤液两级DTRO浓缩液正渗透处理工程实践[J]. 科学技术创新, 2020, (16): 55- 57. doi: 10.3969/j.issn.1673-1328.2020.16.031
7	俞彬, 陈飞, 王小军, 等. 电厂脱硫废水零排放处理工程实例[J]. 工业水处理, 2018, 38 (4): 94- 96. URL
8	GAO Yue , FANG Zhou , LIANG Peng , et al. Direct concentration of municipal sewage by forward osmosis and membrane fouling behavior[J]. Bioresource Technology, 2018, 247, 730- 735. doi: 10.1016/j.biortech.2017.09.145
9	WANG Zhiwei , ZHENG Junjian , TANG Jixu , et al. A pilot-scale forward osmosis membrane system for concentrating low-strength municipal wastewater: Performance and implications[J]. Scientific Reports, 2016, 6, 21653. doi: 10.1038/srep21653
10	CATH T Y , HANCOCK N T , LUNDIN C D , et al. A multi-barrier osmotic dilution process for simultaneous desalination and purification of impaired water[J]. Journal of Membrane Science, 2010, 362 (1/2): 417- 426. URL
11	XUE Wenchao , TOBINO T , NAKAJIMA F , et al. Seawater-driven forward osmosis for enriching nitrogen and phosphorous in treated municipal wastewater: Effect of membrane properties and feed solution chemistry[J]. Water Research, 2015, 69, 120- 130. doi: 10.1016/j.watres.2014.11.007
12	KEDWELL K C , QUIST-JENSEN C A , GIANNAKAKIS G , et al. Forward osmosis with high-performing TFC membranes for concentration of digester centrate prior to phosphorus recovery[J]. Separation and Purification Technology, 2018, 197, 449- 456. doi: 10.1016/j.seppur.2018.01.034
13	KEDWELL K C , CHRISTENSEN M L , QUIST-JENSEN C A , et al. Effect of reverse sodium flux and pH on ammoniacal nitrogen transport through biomimetic membranes[J]. Separation and Purification Technology, 2019, 217, 40- 47. doi: 10.1016/j.seppur.2019.02.001
14	SHE Qianhong , WANG Rong , FANE A G , et al. Membrane fouling in osmotically driven membrane processes: A review[J]. Journal of Membrane Science, 2016, 499, 201- 233. doi: 10.1016/j.memsci.2015.10.040
15	ZHANG Minmin , HOU Dianxun , SHE Qianhong , et al. Gypsum scaling in pressure retarded osmosis: Experiments, mechanisms and implications[J]. Water Research, 2014, 48, 387- 395. doi: 10.1016/j.watres.2013.09.051
16	ARKHANGELSKY E , WICAKSANA F , CHOU Shuren , et al. Effects of scaling and cleaning on the performance of forward osmosis hollow fiber membranes[J]. Journal of Membrane Science, 2012, 415/416, 101- 108. doi: 10.1016/j.memsci.2012.04.041
17	WANG Zhiwei , TANG Jixu , ZHU Chaowei , et al. Chemical cleaning protocols for thin film composite (TFC) polyamide forward osmosis membranes used for municipal wastewater treatment[J]. Journal of Membrane Science, 2015, 475, 184- 192. doi: 10.1016/j.memsci.2014.10.032
18	曾怀宇. 垃圾渗滤液处理设施升级改造工程实例[J]. 工业水处理, 2021, 41 (3): 120- 124. URL
19	张海宇, 李雪梅. 蒸发法处理膜滤浓缩液工程性试验运行成本分析[J]. 建筑与预算, 2016, (9): 55- 58. URL
20	陈刚, 国瑞峰, 刘一夫, 等. 沈阳市大辛垃圾场积存渗沥液应急处理项目设计[J]. 给水排水, 2019, 55 (6): 32- 34. URL

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