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| Treatment and Recycling of the Waste Water from Straw Mechanical Pulping |
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| DOI： |
| Key Words:waste water of straw mechanical pulping; closed recycling water; DCS; SS; COD |
| Author Name | Affiliation | | 唐怡聪1 | 1.北京化工大学生命科学与技术学院，北京，100029 | | 张 鹏1,* | 1.北京化工大学生命科学与技术学院，北京，100029 | | 苏河山2 | 2.山东海利源绿色包装材料有限公司，山东邹平，256200 | | 谢志琪2 | 2.山东海利源绿色包装材料有限公司，山东邹平，256200 |
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| Abstract: |
| A waste water treatment system based on the flocculation and self-filtration was used to treat the waste water from straw mechanical pulping. The main parameters of dissolved and colloidal substance (DCS), suspended substance (SS), chemical oxygen demand (COD) of the waste water in the recycling process were analyzed. The laboratory results and engineering monitoring data showed that when using PAC 100 mg/L, PAM 15~20 mg/L and zeolite 2 g/L, the SS was 170 mg/L with a removing rate of 88.4%, COD 650 mg/L with a removing rate of 80.7%, DCS 340 mg/L with a removing rate of 48.5% and DS 140 mg/L with a removing rate of 51.7%. |
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