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西藏生活水处理设备食品污水处理电解式

更新时间:2019-05-04 08:51:02 信息编号:149560252
西藏生活水处理设备食品污水处理电解式
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详情介绍

产品别名
水处理,污水处理设备,环保设备,食品污水处理
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加工定制

西藏生活水处理设备食品污水处理电解式

西藏阿里食品污水处理

食品加工废水处理

产品说明

由于食品种类繁多,原料来源广泛,食品工业废水具有悬浮物、油脂含量高,重金属离子多,CODBOD 值大,谁知和水量变化幅度大,氮、磷化合物含量高,某些情况下水温也较高等特点。污水处理工艺分成处理、二级处理和三级处理。对于食品工业污水, 处理一般是采用固液分离技术去除污水中的悬浮物和漂浮物;二级处理是主要处理过程,一般采用生物处理技术去除水中有机物等有毒物质,一般采用膜处理法、强 氧化剂等技术将污水进一步进化。

食品加工废水特点

食品废水在处理过程中会产生污泥、废油、废酸、废碱、加工过程中产生的动植物废弃物也应该进行无害化处理。

食品加工废水主要来自三个生产工段

1)原料清洗工段。大量砂土杂物、叶、皮、鳞、肉、羽、毛等进入废水中,使废水中含大量悬浮物。

2)生产工段。原料中很多成分在加工过程中不能全部利用,未利用部分进入废水,使废水含大量有机物。

3)成形工段。为增加食品色、香、味,延长保存期,使用了各种食品添加剂,一部分流失进入废水,使废水化学成分复杂。

食品加工废水的水量水质特性主要体现在6个方面:

1)生产随季节变化,废水水质水量也随季节变化。

2)废水量大小不一,食品工业从家庭工业的小规模到各种大型工厂,产品品种繁多,其原料、工艺、规模等差别很大,废水量从数m3/d到数千m3/d不等。

3)食品工业废水中可降解成分多,对于一般食品工业,由于原料来源于自然界有机物质,其废水中的成分也以自然有机物质为主,不含有毒物质,故可生物降解性好,其BOD5/COD高达0.84

4)高浓度废水多。

5)废水中含各种微生物,包含致病微生物,废水易腐烂发臭。

6)废水中氮、磷含量高。

工艺介绍

选择食品排放污水处理工艺,不仅要考虑污水中有害物质的组成,而且要了解排出污水水质、水量的瞬间变化情况,这些对选择污水处理工艺、设备和日后运行管理都很重要。

食品加工废水中较大悬浮物和油脂可以采用悬浮分离技术去除,以SS值表示的水中悬浮物(包括胶体)可以采用固液分离技术去除;污水中以CODBOD等表示的有害物质可以采用生物处理技术去除;处理后的水要经过消毒处理才能排放,生物处理过程中产生的污泥要进行脱水排放。

综上所述,食品加工废水处理的典型工艺流程如下:

污水→悬浮分离→调节池→生物处理→沉淀(过滤)→消毒→达标排放→污泥处理

公司简介:济宁天通水处理设备有限公司——通过建立品牌,经过多年的经营和发展,在国内同行业取得了良好的成绩。另一方面在更广阔的世界,是行业走出自己特色的道路。其核心产品有:污水处理站、废水处理工艺、废水处理设备、工业废水处理设备、水处理设备、生活污水处理设备、环境污水处理设备等设备。济宁“天通”品牌产品欧盟、东盟和中东,和济宁的快打下了坚实的基础,新的、更高的发展。

联系电话:

联系人:范经理

Food wastewater treatment in Tibet Ali

Treatment of food processing wastewater

Product description

Due to a wide variety of food and food raw material sources, industrial wastewater has suspended solids, high oil content, heavy metal ions, COD and BOD values, who knows and variation of water, nitrogen and phosphorus compounds were high, in some cases the temperature is higher. The sewage treatment process is divided into first - stage treatment, two - stage treatment and three - stage treatment. For the food industry wastewater, primary treatment is removal of suspended substances in the sewage and floating by solid-liquid separation technology; the two level is the main treatment process, using biological treatment technology for removal of organic substances and other toxic substances, usually by membrane treatment, strong oxidation agent technology will evolve further sewage.

Characteristics of food processing wastewater

Food wastewater will produce sludge, waste oil, waste acid and alkali, generated during the processing of animal and plant waste should be harmless treatment during processing.

Food processing wastewater mainly comes from three production sections

(1) raw material cleaning. A large number of debris, leaves, skin, scales, meat, feather, hair, etc. into the waste water, so that a large number of suspended matter in the waste water.

(2) production section. Many of the ingredients in the raw material can not be fully utilized during the process of processing, and the unused part into the waste water makes the waste water contain a large amount of organic matter.

(3) forming section. In order to increase the color, aroma and taste of food and prolong the preservation period, a variety of food additives are used, and some of them are lost into the waste water, which makes the chemical composition of the wastewater complex.

The characteristics of water quality of food processing wastewater are mainly reflected in 6 aspects:

(1) with the change of the season, the water quality and water quantity of the waste water also change with the season.

(2) the amount of waste water varies. From the small scale of family industry to various large factories, the food industry has a wide range of products. Its raw materials, technology and scale are quite different. The quantity of wastewater varies from m3/d to m3/d.

(3) there are many degradable components in the wastewater from food industry. For the general food industry, because the raw materials are derived from natural organic substances, the components of their wastewater are also mainly natural organic substances, which contain no toxic substances. Therefore, their biodegradability is good, and their BOD5/COD is as high as 0.84.

(4) high concentration wastewater is more.

(5) the waste water contains a variety of microbes, including pathogenic microorganisms, and the waste water is easily rotten and rotten.

(6) the content of nitrogen and phosphorus in the wastewater is high.

Process introduction

Choose the food sewage treatment process, not only to consider the composition of harmful substances in the sewage, but also to understand the instant changes of discharged sewage and water quality, the selection of sewage treatment technology and equipment, days after operation and management are very important.

The larger suspended solids and oil food processing wastewater can be used in suspension separation for removal of suspended solids in water, expressed by SS values (including colloidal) can be used for solid-liquid separation technology to remove harmful substances in sewage; COD and BOD that can be used biological treatment technology for removal; the treated water after disinfection treatment can be discharged. Biological treatment process of sludge dewatering to discharge.

To sum up, the typical process flow of the treatment of food processing wastewater is as follows:

Sewage, suspension separation, regulating pool, biological treatment, sedimentation (filtration), disinfection, discharge to standard, sludge treatment

Company profile: Jining Tian Tong water treatment equipment Co., Ltd. -- through establishing brand, after years of operation and development, it has achieved good results in the same industry in China. On the other hand, in the wider world, it is the path of the industry to get out of its own characteristics. Its core products are: sewage treatment station, wastewater treatment process, wastewater treatment equipment, industrial wastewater treatment equipment, water treatment equipment, domestic sewage treatment equipment, sewage treatment equipment and other equipment. Jining "Tian Tong" brand products are exported to the EU, ASEAN and the Middle East, and Jining have laid a solid foundation, new and higher development.

Contact phone:

Contact: Manager fan


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