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毕业论文网 > 毕业论文 > 环境科学与工程类 > 环境工程 > 正文

不同调理剂对石化污泥脱水性能研究毕业论文

 2022-03-17 07:03  

论文总字数:20058字

摘 要

本实验是通过向原始石化污泥中添加不同的调理剂,在相同的条件下进行反应,增大污染物颗粒的大小以改善其脱水性能,通过测定其CST、多糖、比阻、蛋白质等以探究不同调理剂对石化污泥脱水性能的影响。实验结果表明在单因素的测定中Fenton20-5可以明显提高总糖和蛋白质的含量,分别提高了374.70%和460.89%,同时提高了脱水性能把CST降低了65.74%。Fenton15-5在其他单因素的测定中效果不明显但在比阻的测定项中效果最好,把比阻降低了42.31%,相对于Fenton25-5提升了2.61%。总体上而言Fenton25-5在改善污泥的脱水性能的综合表现上最明显,把VSS降低了4.85%,蛋白质含量提高了334.84%,多糖含量提高了355.18%,比阻降低了39.7%,CST降低了63.88%,有效提高了污泥的脱水性能。并且在不同因素的测定中,芬顿试剂的性能均优于高分子聚合物。

关键词:石化污泥 调理剂 脱水性能 理化性质

Effects of different agents on petrochemical sludge dewatering performance

ABSTRACT

The experiment is done by adding the conditioning agent to the petrochemical raw sludge, under the same reaction conditions, increase the size of contaminant particles to improve the dewatering performance, measured by the CST, polysaccharides, specific resistance, and other proteins in explore the effects of different agents on petrochemical sludge dewatering performance. Experimental results show that the single factor in the determination of Fenton20-5 can significantly improve the content of total sugar and protein were increased by 374.70% and 460.89%, while improving the performance of the dewatering CST reduced 65.74%. Fenton15-5 other single factor in the determination of the effect is not obvious, but in terms of specific resistance was measured in the best, the specific resistance decreased 42.31%, compared to 2.61% Fenton25-5 improved. General terms Fenton25-5 in improving sludge dewatering performance and overall performance of the most obvious, the VSS decreased 4.85%, protein content increased by 334.84%, 355.18% polysaccharide content increased, the specific resistance decreased 39.7%, CST decreased 63.88%, effectively improve the performance of sludge dewatering. And in the determination of different factors, the performance of Fenton's reagent were superior polymers.

Keywords: Petrochemical sludge;Conditioners;Dewatering performance;Physical and Chemical Properties

目 录

摘要 I

ABSTRACT II

术语表 1

第一章 文献综述 2

引言 2

1.1 石化污泥 2

1.1.1石化污泥的来源 2

1.1.2石化污泥的特点 2

1.1.3石化污泥处理面临的问题 3

1.2 污泥调理剂 3

1.2.1生物调理剂 3

1.2.2化学调理剂 4

1.3 调理剂的复配使用 5

1.3.1以混凝剂为主的调理剂复配 6

1.3.2 以絮凝剂为主的调理剂复配 6

1.3.3 以助凝剂为主的调理剂复配 6

1.4 污泥的脱水 6

第二章 实验材料与方法 9

2.1石化污泥脱水性能的实验设计 9

2.2石化污泥来源 9

2.3实验仪器及试剂 9

2.4分析方法 11

2.4.1原始石化污泥理化性质分析方法 11

2.4.2不同调理剂对石化污泥脱水性能影响测定 12

第三章 实验结果及分析 18

3.1污泥的理化性质 18

3.2石化污泥调理前后性质对比 18

3.2.1TS 18

3.2.2VS 19

3.2.3蛋白质 19

3.2.4多糖 21

3.2.5比阻 22

3.2.6CST 23

第四章 结论 25

参考文献 26

致谢 29

英文缩写

英文全称

中文全称

DS

Dry Solid

干固体

TSS

Total Soluble Solid

总可溶性固形物

VSS

Volatile Suspended Solid

挥发性悬浮固体

PAM

Polyacrylamide

聚丙烯酞胺

PAC

Polyaluminium Chloride

聚合氯化铝

PFS

polymer ferric sulfate

聚合硫酸铁

COD

Chemical Oxygen Demand

化学需氧量

SRF

Specific Resistance to Filtration

过滤比阻

CST

Capillary Suction Time

毛细吸水时间

EPS

Extracellular Polymeric Substances

胞外聚合物

术语表

第一章 文献综述

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