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| 加碱混凝沉淀法去除蓝皮制革废水中Cr3+及COD的研究 | |
| 引用本文： | 罗亚红,何成达,唐礼庆,李悦,吴彩芳. 加碱混凝沉淀法去除蓝皮制革废水中Cr3+及COD的研究[J]. 环境科学与管理, 2006, 31(9): 109-112 |
| 作者姓名： | 罗亚红 何成达 唐礼庆 李悦 吴彩芳 |
| 作者单位： | 1. 河海大学环境科学与工程学院,江苏,南京,210098 2. 河海大学环境科学与工程学院,江苏,南京,210098;扬州大学环境科学与工程学院,江苏,扬州,225009 3. 昆山市自来水集团有限公司,江苏,昆山,215300 4. 海军东海设计院,上海,200083 |
| 摘 要： | 取自扬州某外资皮革厂的蓝皮制革废水含有大量的Cr3 和COD.通过对该废水加各种碱剂调节其pH值至8.3～8.5,均可将Cr3 去除90%以上,且对COD也有一定的去除效果.再对该废水加碱的同时试采用几种混凝剂进行混凝,Cr3 和COD的去除率都得到提高.研究表明:通过加碱混凝能取得更好的去除效果,PAC/PAM是最佳混凝荆,最佳投药量为0.4g/L,Cr3 可降到国家标准以下. |
| 关 键 词： | 碱荆 铬鞣 混凝 加碱 混凝剂 沉淀法 蓝皮 制革废水 研究 Removing Study Alkali Wastewater Skin 国家标准 投药量 最佳 去除率 试采 去除效果 调节 皮革厂 外资 |
| 文章编号： | 1673-1212（2006）09-0109-04 |
| 收稿时间： | 2006-08-24 |
| 修稿时间： | 2006-08-24 |
Study on Removing Cr3+ and COD in the Blue -Wet Skin Wastewater Through Adding Alkali and Coagulating |
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| LUO Ya-hong,HE Cheng-da,TANG Li-qing,LI Yue,WU Cai-fang. Study on Removing Cr3+ and COD in the Blue -Wet Skin Wastewater Through Adding Alkali and Coagulating[J]. Environmental Science and Management, 2006, 31(9): 109-112 | |
| Authors: | LUO Ya-hong HE Cheng-da TANG Li-qing LI Yue WU Cai-fang |
| Affiliation: | 1.2.3 College of Environmental Science and Engineering, Hehai University, Nanjing 210098, China; 4. Kun Shan Water Supply (Group |
| Abstract: | The blue-wet skin wastewater getting from certain foreign capital leather factory in Yangzhou contains a mass of Cr3 and COD. Through adding some kinds of alkali in wastewater to adjust its pH about 8.3 ~ 8.5 , which can remove above 90% of Cr3+ ,at the same time have affect on removing COD. And then adding alkali and some kinds of coagulation in the wastewater, the removing rate of Cr3+ and COD all can be enhanced. The result suggests that; PAC/PAM are the best coagulation accelerator, and optimal dosage is 0.4g/L,the concentration of Cr3+ can also be reduced below the national regulation. |
| Keywords: | alkali tanning coagulate |
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