一种铬泥处理制备再生铬粉探索

doi:10.19677/j.issn.1004-7964.2021.04.007

皮革科学与工程 ›› 2021, Vol. 31 ›› Issue (4): 35-39.doi: 10.19677/j.issn.1004-7964.2021.04.007

一种铬泥处理制备再生铬粉探索

王绍腾¹, 龙忠珍², 陈治军^2,*, 单志华^1,*

1.四川大学制革清洁技术国家工程研究中心,四川成都 610065;
2.江苏鸿丰资源循环利用研究院,江苏徐州 200211

收稿日期:2021-01-05 出版日期:2021-08-28 上线日期:2021-08-02
通讯作者: *
作者简介:王邵腾（1995-）,男,2019级硕士研究生,1099566001@qq.com。
基金资助:
基于污泥低铬及可循环利用（18H1173）

A Study on the Preparation of Recycled Chromium Powder from Chromium Sludge Treatment

WANG Shaoteng¹, LONG Zhongzhen², CHEN Zhijun^2,*, SHAN Zhihua^1,*

1. National Engineering Research Center of Clean Technology in Leather Industry, Sichuan University, Chengdu 610065, China;
2. Jiangsu Hongfeng Resource Recycling Research Institute,Xuzhou 200211, China

Received:2021-01-05 Online:2021-08-28 Published:2021-08-02

摘要/Abstract

摘要： 采用酸浸及酸浸-H₂O₂的方法处理鞣革污泥后喷雾干燥制备再生铬鞣剂A-CP与AH-CP。实验结果表明,以酸浸- H₂O₂方法得到的AH-CP的表观颜色相对与直接酸溶的A-CP偏绿,水不溶物含量有所减少,且水解性能与金山铬粉T-AB接近。鞣制试验表明,AH-CP鞣革性能良好;蓝湿革色度色差分析表明,经AH-CP鞣制革颜色暗沉的现象有所改善,接近T-AB鞣制革;3种蓝湿革的Ts及物理力学性能均可达到鞋面用皮革标准。

关键词: 含铬污泥, 酸处理, H₂O₂, 喷雾干燥, 铬鞣剂

Abstract: In this paper, the regenerated chrome tanning agent A-CP and AH-CP were prepared by spray drying after the treatment of tanning sludge with acid leaching and acid leaching-H₂O₂ methods, respectively. The experimental results showed that the apparent color of AH-CP obtained by the acid leaching- H₂O₂ method was greenish compared with the direct acid-soluble A-CP, and the content of water insoluble matter was reduced, and the hydrolysis performance was close to that of Jinshan chrome powder T-AB. The tanning test shows that AH-CP has good tanning performance; the colorimetric color difference analysis of wet blue leather shows that the color of the AH-CP tanned leather is improved and close to the T-AB tanned leather; the Ts and physical mechanical properties of three kinds of wet blue leather can meet the standard for shoe upper leather.

Key words: chromium-containing sludge, acid treatment, hydrogen peroxide, spray drying, chrome tanning agent

中图分类号:

X794

王绍腾, 龙忠珍, 陈治军, 单志华. 一种铬泥处理制备再生铬粉探索[J]. 皮革科学与工程, 2021, 31(4): 35-39.

WANG Shaoteng, LONG Zhongzhen, CHEN Zhijun, SHAN Zhihua. A Study on the Preparation of Recycled Chromium Powder from Chromium Sludge Treatment[J]. Leather Science and Engineering, 2021, 31(4): 35-39.

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一种铬泥处理制备再生铬粉探索

A Study on the Preparation of Recycled Chromium Powder from Chromium Sludge Treatment

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