CN103663649A - 一种用于屠宰废水的絮凝剂 - Google Patents

一种用于屠宰废水的絮凝剂 Download PDF

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CN103663649A
CN103663649A CN201310669933.5A CN201310669933A CN103663649A CN 103663649 A CN103663649 A CN 103663649A CN 201310669933 A CN201310669933 A CN 201310669933A CN 103663649 A CN103663649 A CN 103663649A
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牟军平
于春光
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SHANDONG HWAYA ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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Abstract

本发明涉及废水处理技术领域,更具体的讲是一种用于屠宰废水的絮凝剂,其由下述按重量份计的组分组成:聚合铁-聚丙烯酰胺8-16份、聚合硅酸盐15-25份、聚合磷酸氯化铝5-8份、聚合氯化硫酸铝5-8份、木质磺酸盐5-15份。本发明的有益效果是::本发明所述絮凝剂具有高效和广谱的特性,其适应水质的pH范围广,pH值在3~9范围内均有良好的效果,对油脂和SS的去除率高于93.66%,最高达96.69%,COD去除率高于95.63%,最高可达98.22%,BOD去除率高于89.69%,最高可达93.26%,由此可见本发明的絮凝剂对于屠宰废水的絮凝效果显著,而且本发明絮凝剂制备简单。

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一种用于屠宰废水的絮凝剂
技术领域
本发明涉及废水处理技术领域,更具体的讲是一种用于屠宰废水的絮凝剂。 
背景技术
屠宰废水来自于圈栏冲洗、淋洗、屠宰及其它厂房地坪冲洗、烫毛、剖解、副食加工、洗油等。通过其水质来源,我们可以知道废水中主要含有血液、油脂、碎肉、骨渣、毛及粪便等,废水呈褐红色,具有较强的腥臭味。有机悬浮物含量高,易腐败,排入水体会消耗水中的溶解氧,破坏生态系统,污染环境。 
在屠宰和肉类加工的过程中,要耗用大量的水,同时又要排除含有血污、油脂、毛、肉屑、畜禽内脏杂物、未消化的食料和粪便等污染物质的废水,而且此类废水中还含有大量对人类健康有害的微生物。肉类加工废水如不经处理直接排放,会对水环境造成严重污染,第人畜健康造成危害。 
肉类加工废水所含污染物质大多属于易于生物降解的有机物,在它们排入水体后,会迅速地耗掉水中的溶解氧,造成鱼类和水生生物因缺氧而死亡;由于缺氧还会使水体转变为厌氧状态,这样会使水质恶化、产生臭味、影响卫生。同时,废水中的致病微生物会大量繁殖,危害人民健康。对屠宰肉类加工废水进行处理,去除其污染对保护生态环境和人类健康是十分必要的。 
屠宰废水中固体悬浮物SS高达1000mg/L,其属于易腐化的有机物,其会影响废水的COD以及BOD造成水质变差。 
而屠宰废水在预处理后进入生化阶段,期间需要加入絮凝剂使废水中的悬浮微粒絮凝沉降达到与水分离的目的,提高水质,而目前用于屠宰废水的絮凝剂絮凝效果达不到预期效果。 
发明内容
本发明的发明目的在于针对以上不足,提供一种絮凝效果好的专门用于屠宰废水的絮凝剂。本发明是通过以下技术方案实现的: 
一种用于屠宰废水的絮凝剂,由下述按重量份计的组分组成: 
Figure BDA0000434473220000021
作为一种优化,上述絮凝剂由下述按重量份计的组分组成: 
Figure 2013106699335100002DEST_PATH_IMAGE002
作为一种优化,上述絮凝剂由下述按重量份计的组分组成: 
Figure 2013106699335100002DEST_PATH_IMAGE003
作为一种优化,上述絮凝剂由下述按重量份计的组分组成: 
Figure 2013106699335100002DEST_PATH_IMAGE004
作为一种优化,上述絮凝剂由下述按重量份计的组分组成: 
Figure BDA0000434473220000025
作为一种优化,上述絮凝剂由下述按重量份计的组分组成: 
Figure BDA0000434473220000026
Figure BDA0000434473220000031
上述聚合硅酸盐为聚合硅酸铝或聚合硅酸铁。 
作为一种优化,上述聚合磷酸盐为聚合硅酸铁。 
本发明的有益效果是::本发明所述絮凝剂具有高效和广谱的特性,其适应水质的pH范围广,pH值在3~9范围内均有良好的效果,对油脂和SS的去除率高于93.66%,最高达96.69%,COD去除率高于95.63%,最高可达98.22%,BOD去除率高于89.69%,最高可达93.26%,由此可见本发明的絮凝剂对于屠宰废水的絮凝效果显著,特别针对COD的去除率效果明显,而且本发明絮凝剂制备简单。 
具体实施方式
下面结合具体实施例对本发明做进一步说明,以便本领域技术人员可以更好的了解本发明,但并不因此限制本发明。 
实施例1 
一种用于屠宰废水的絮凝剂,有下述按重量份计的组分组成: 
Figure 2013106699335100002DEST_PATH_IMAGE005
常温下将上述组分混合搅拌30分钟静置既得。 
本絮凝剂对油脂和SS的去除率为93.66%,COD去除率为95.63%,BOD去除率为89.69%。 
实施例2 
一种用于屠宰废水的絮凝剂,有下述按重量份计的组分组成: 
Figure 2013106699335100002DEST_PATH_IMAGE006
常温下将上述组分混合搅拌30分钟静置既得。 
本絮凝剂对油脂和SS的去除率为94.39%,COD去除率为96.29%,BOD去除率为 90.31%。 
实施例3 
一种用于屠宰废水的絮凝剂,有下述按重量份计的组分组成: 
Figure 2013106699335100002DEST_PATH_IMAGE007
常温下将上述组分混合搅拌30分钟静置既得。 
本絮凝剂对油脂和SS的去除率为95.93%,COD去除率为97.32%,BOD去除率为92.65%。 
实施例4 
一种用于屠宰废水的絮凝剂,有下述按重量份计的组分组成: 
Figure 2013106699335100002DEST_PATH_IMAGE008
常温下将上述组分混合搅拌30分钟静置既得。 
本絮凝剂对油脂和SS的去除率为96.69%,COD去除率为98.22%,BOD去除率为93.26%。 
实施例5 
一种用于屠宰废水的絮凝剂,有下述按重量份计的组分组成: 
Figure 2013106699335100002DEST_PATH_IMAGE009
常温下将上述组分混合搅拌30分钟静置既得。 
本絮凝剂对油脂和SS的去除率为95.26%,COD去除率为97.19%,BOD去除率为 92.13%。 
实施例6 
一种用于屠宰废水的絮凝剂,有下述按重量份计的组分组成: 
Figure 2013106699335100002DEST_PATH_IMAGE010
常温下将上述组分混合搅拌30分钟静置既得。 
本絮凝剂对油脂和SS的去除率为94.23%,COD去除率为96.33%,BOD去除率为91.65%。 

Claims (8)

1.一种用于屠宰废水的絮凝剂,由下述按重量份计的组分组成:
Figure FDA0000434473210000011
2.根据权利要求1所述的一种用于屠宰废水的絮凝剂,其特征在于:所述絮凝剂由下述按重量份计的组分组成:
Figure FDA0000434473210000012
3.根据权利要求1所述的一种用于屠宰废水的絮凝剂,其特征在于:所述絮凝剂由下述按重量份计的组分组成:
Figure FDA0000434473210000013
4.根据权利要求1所述的一种用于屠宰废水的絮凝剂,其特征在于:所述絮凝剂由下述按重量份计的组分组成:
Figure FDA0000434473210000014
5.根据权利要求1所述的一种用于屠宰废水的絮凝剂,其特征在于:所述絮凝剂由下述按重量份计的组分组成:
Figure FDA0000434473210000021
6.根据权利要求1所述的一种用于屠宰废水的絮凝剂,其特征在于:所述絮凝剂由下述按重量份计的组分组成:
7.根据权利要求1-6中任意一项所述的一种用于屠宰废水的絮凝剂,其特征在于:所述聚合硅酸盐为聚合硅酸铝或聚合硅酸铁。
8.根据权利要求7所述的一种用于屠宰废水的絮凝剂,其特征在于:所述聚合磷酸盐为聚合硅酸铁。
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06182350A (ja) * 1992-12-21 1994-07-05 Toagosei Chem Ind Co Ltd 染色廃水の処理方法
CN101792219A (zh) * 2010-03-12 2010-08-04 南京工业大学 Shell粉煤气化污水回用循环工艺
CN102992463A (zh) * 2012-11-26 2013-03-27 洪仁作 屠宰废水絮凝剂

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06182350A (ja) * 1992-12-21 1994-07-05 Toagosei Chem Ind Co Ltd 染色廃水の処理方法
CN101792219A (zh) * 2010-03-12 2010-08-04 南京工业大学 Shell粉煤气化污水回用循环工艺
CN102992463A (zh) * 2012-11-26 2013-03-27 洪仁作 屠宰废水絮凝剂

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
肖薇,何娅,何建: "新型絮凝剂的研制", 《铁道劳动安全卫生与环保》, vol. 36, no. 1, 28 February 2009 (2009-02-28), pages 2 - 5 *

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