1) chrome recovery
铬鞣液回收
2) used chrome liquor
铬鞣废液
1.
The international and domestic studies and methods of the utilization of the used chrome liquor were summarized in this paper.
对目前国内外铬鞣废液的回收利用研究及方法进行了综述与比较 ,铬鞣废液的直接循环使用较回收铬的方法更易在制革厂实
2.
The recycling of the used chrome liquors is studied from viewpoint of changing laws of Cl -,SO 2- 4 and Na + in the recycling chrome liquors.
本文研究了在循环利用的铬鞣废液中Cl- 、SO2 -4 、Na+等的变化规律。
3) chrome tanning liquor
铬鞣液
1.
In this paper, the reduction superiority of the chrome tanning liquor with the chrome-tanned shavings was introduced, and the chrome shavings-reduced chrome tanning liquor was prepared by this technique.
本文介绍了废铬革屑还原铬鞣液的优越性 ,并用该技术制得了废铬革屑还原铬鞣液。
2.
In this paper, the superiority of the preparation of woodscrape-reduced chrome tanning liquor by two-step way was discussed, and the product was prepared by this technique.
本文介绍了两步法制备木屑还原铬鞣液的优越性 ,并用该技术制得了木屑还原铬鞣液。
4) high exhaustion chrome tanning
高吸收铬鞣
1.
The main technologies are developed with low sulphide and alkalinity unhairing and liming; high exhaustion chrome tanning, and the technical scale experiments have been executed.
该技术主要采用低硫低碱脱毛浸灰技术和高吸收铬鞣技术等 ,并实施了生产性试验 ,研究结果表明 :清洁技术减少了 2 5 %的COD排放量 ,减少了 45 %的硫排放量 ,减少了 60 %的碱度的排放 ,减少了 93。
5) tanning liquor preparation
铬鞣液制备
6) high exhaustion chrome tanning auxiliary
高吸收铬鞣助剂
补充资料:铬铝鞣
分子式:
CAS号:
性质:用碱式硫酸铬、钾明矾、硫酸铝等结合鞣制毛皮的方法。按操作可分为先铬后铝,先铝后铬和铬铝同浴鞣。以先铬后铝鞣法效果最好,皮板洁白柔软,延伸性好,耐水和抗温性能亦佳。鞣剂用量视毛皮品种和用途而定。一般工艺参数为Cr2O30.5~3g/L,Al2O31~3g/L,溶液pH值3.7~4.0,鞣制温度32~36℃,时间24~48h。
CAS号:
性质:用碱式硫酸铬、钾明矾、硫酸铝等结合鞣制毛皮的方法。按操作可分为先铬后铝,先铝后铬和铬铝同浴鞣。以先铬后铝鞣法效果最好,皮板洁白柔软,延伸性好,耐水和抗温性能亦佳。鞣剂用量视毛皮品种和用途而定。一般工艺参数为Cr2O30.5~3g/L,Al2O31~3g/L,溶液pH值3.7~4.0,鞣制温度32~36℃,时间24~48h。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条