全棉水刺非织造布的低碳节能冷堆处理工艺

doi:10.13475/j.fzxb.20210909107

纺织学报 ›› 2022, Vol. 43 ›› Issue (01): 89-95.doi: 10.13475/j.fzxb.20210909107

全棉水刺非织造布的低碳节能冷堆处理工艺

孙婷¹, 张如全¹^,²(), 唐子杰¹, 涂虎¹^,², 胡敏¹^,²

1.武汉纺织大学纺织科学与工程学院, 湖北武汉 430200
2.武汉纺织大学省部共建纺织新材料与先进加工技术国家重点实验室, 湖北武汉 430200

收稿日期:2021-09-26 修回日期:2021-11-02 出版日期:2022-01-15 发布日期:2022-01-28
通讯作者: 张如全
作者简介:孙婷(1996—),女,硕士生。主要研究方向为功能性非织造材料。
基金资助:
国家自然科学基金项目(52103125);湖北省重点研发计划项目(2020BAB076)

Study on low-carbon and energy-saving cold pad-batch bleaching treatment of cotton spunlaced nonwoven

SUN Ting¹, ZHANG Ruquan¹^,²(), TANG Zijie¹, TU Hu¹^,², HU Min¹^,²

1. College of Textile Science and Engineering, Wuhan Textile University, Wuhan, Hubei 430200, China
2. Key Laboratory Base of New Textile Materials and Advanced Processing Technology,Wuhan Textile University, Wuhan, Hubei 430200, China

Received:2021-09-26 Revised:2021-11-02 Published:2022-01-15 Online:2022-01-28
Contact: ZHANG Ruquan

摘要/Abstract

摘要：

为推动纺织行业实现碳中和、碳达峰目标,在满足绿色低碳、节能减排的前提下,以碱氧浓度、冷堆时间、双氧水活化剂浓度及不同处理方法为主要分析点,对全棉水刺非织造布采用冷堆脱漂工艺处理,分析其对质量损失率、吸水量、白度及残余液pH值、化学需氧量(COD)等的影响,并从微观结构上对形貌变化进行分析。结果表明:双氧水活性室温冷堆比碱氧冷堆时间可缩短4 h,温度比高温碱氧降低60 ℃,且白度比高温碱氧仅减少0.41%,残余液pH值与泡沫高度满足要求,COD值比高温碱氧处理仅高出104 mg/L;在一定程度上冷堆脱漂工艺可代替高温碱氧处理工艺,具有低碳节能的优点。

关键词: 棉水刺非织造布, 脱漂, 冷堆, 绿色低碳, 双氧水活化剂

Abstract:

As a bid to achieve the carbon neutrality and carbon emission peak in the textile industry, the influence of weight loss, water absorption, whiteness, residual pH value and COD value ws investigated by analysing alkali oxygen concentration, cold pad-batch time, hydrogen peroxide activator concentration, different treatment methods, as well as the microstructure of cotton spunlaced nonwoven fabrics. The results showed that the production cycle of hydrogen peroxide activator cold pad-batch was 4 h shorter than that of alkali oxygen cold pad-batch, and in addition the temperature was 60 ℃ lower than high temperature alkali oxygen process and whiteness was only decreased by 0.41%. The COD value increased by only 104 mg/L, with both the residual pH value and foam height meeting the requirements. Cold pad-batch bleaching technique with the advantages of low carbon and energy saving demonstrated great potential for replacing the high-temperature alkaline oxygen treatment process.

Key words: cotton spunlaced nonwoven, degreasing and bleaching, cold pad-batch, green and low-carbon, hydrogen peroxide activator

中图分类号:

TS174.8

孙婷, 张如全, 唐子杰, 涂虎, 胡敏. 全棉水刺非织造布的低碳节能冷堆处理工艺[J]. 纺织学报, 2022, 43(01): 89-95.

SUN Ting, ZHANG Ruquan, TANG Zijie, TU Hu, HU Min. Study on low-carbon and energy-saving cold pad-batch bleaching treatment of cotton spunlaced nonwoven[J]. Journal of Textile Research, 2022, 43(01): 89-95.

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样品编号	处理方式	质量浓度配比	处理条件
A1	未脱漂	—	—
A2	高温碱氧	4:6:2:0:0	90 ℃,1 h
A3	碱氧冷堆	4:6:2:0:0	30 ℃,12 h
A4	复合酶冷堆	0:0:2:0:5	30 ℃,8 h
A5	双氧水活性冷堆	4:6:2:2:0	30 ℃,8 h

样品编号	COD值/ (mg·L^-1)	残余液 pH值	泡沫高度/mm	残余双氧水含量/ (mg·L^-1)	透气率/ (mm·s^-1)	强力/ N	断裂伸长率/%
A1	—	—	—	—	2 517	27.5	49.9
A2	2 540	9.11	6	2.04	2 869	21.1	59.1
A3	2 235	7.54	0.8	1.36	2 778	22.9	57.7
A4	853	7.3	1	0	2 808	18.2	68.1
A5	2 644	7.32	1.6	3.4	2 726	19.7	64.9

质量浓度/(g·L^-1)		处理时间/h	残余液 pH值	泡沫高度/mm	残余双氧水质量浓度/(mg·L^-1)
NaOH	H₂O₂	处理时间/h	残余液 pH值	泡沫高度/mm	残余双氧水质量浓度/(mg·L^-1)
4	6	8	7.32	2.0	2.04
6	6	8	8.23	0.8	2.38
4	6	12	7.31	1.6	1.70
6	6	12	8.04	0.5	1.70
4	8	8	7.15	0.4	1.02
4	8	12	7	2.0	1.36

全棉水刺非织造布的低碳节能冷堆处理工艺

Study on low-carbon and energy-saving cold pad-batch bleaching treatment of cotton spunlaced nonwoven

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