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  • Hotel Zizilong Biological Sewage Defoamer Solution

    By : Zilibon defoamer
    2018/7/25
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    Hotel Zizilong Biological Sewage Defoamer Solution

    Customer type

    1. Customer Information: Dealing with hotel biological sewage, treating about 200 tons of sewage per day, the previous defoaming agent added 50 kg did not respond.

    2, sample information: biological sewage

    Biological sewage sample information

    Exterior

    Brown liquid

    Viscosity

    general

    Water soluble

    Water soluble (large amount of small granular suspension)

    PH

    78

    Smell

    Smelly


    Biological sewage defoamer


    3, customer requirements: less dosage, no side effects on various fungi of water species, no damage to the membrane, environmentally friendly.

    Defoaming principle and analysis

    1. Analysis of the cause of foaming:

    In modernization, there are many factories that urgently need to treat sewage such as: paper mill sewage, numerous chemical plant sewage, pharmaceutical factory sewage, other processing plant sewage, farm sewage, as well as hospitals, residential areas, urban sewage, all kinds of wastewater should be treated. In the process of processing, a large amount of foam appears, and it is necessary to solve the problem that the foam and other indicators are normal before being discharged into the river.

    In biochemical water treatment, microorganisms, including bacteria, fungi, algae, and protozoa, are used to oxidize and decompose harmful substances in water into harmless substances. These microorganisms can survive in water containing poisons and use these poisons as nutrients for breeding, thus transforming the poison into new substances that are harmless to humans. An important step in biochemical treatment is aeration, which involves mechanically agitating and blasting air to bring the sewage into full contact with the air to maintain sufficient dissolved oxygen in the water to provide suitable conditions for microbial activity. However, foam will be generated during aeration, and a thick foam layer will block the liquid surface and affect dissolved oxygen, reduce the efficiency of the aeration device, and prolong the treatment cycle. For the sewage containing protein, polysaccharides, and saponin, it will also foam. During operation, a large number of filamentous bacteria and actinomycetes grow in the water body, which is prone to generate a large amount of foam, which is mostly yellowish brown and is difficult to handle;

     

    The production line is in the tank, contains more detergent, or when it is a double oxygen tank, the foam will also appear in the wastewater containing the surfactant;

     

    If the sewage plant carries out the nitrification reaction, denitrification will occur in the sedimentation tank or in the place where the aeration is insufficient, and bubbles such as nitrogen will be generated to drive some of the sludge to float and foam phenomenon will occur.

    2. Hazard of foaming:

    1 The impact of the generation of foam on the normal operation of the sewage treatment system;

    2 In the initial commissioning process, the sludge after inoculation will be taken away by a large amount of foam, which not only increases the commissioning time, but also increases the investment cost and improves the difficulty of debugging;

    3 Because the foam has a certain viscosity, the oxygenation efficiency of the aeration tank is greatly reduced;

    4 Foam accumulation is one of the important causes of corruption, and it is easy to freeze in the cold winter, which affects the normal operation of the system;

    5 The activated sludge system is sealed with pure oxygen, and the entry of a large amount of foam in the oxygen compressor may cause a fire;

    3. Defoaming recommended by defoaming agent

    The biological water treatment defoamer developed by the China Federal Defoamer Factory is produced by special process of polyether greased products. It is a flawless product and is a highly effective defoamer specially developed for various biological water treatment systems. The characteristics are: fast defoaming speed, long foam suppression time, high efficiency, low dosage, non-toxic, non-corrosive, no adverse side effects, especially no harmful side effects on various fungi of water species, no damage to the membrane, environmentally friendly.

    This product is very easy to disperse in water, can be well compatible with liquid products, and does not break the emulsion. The environmentally-friendly water treatment defoamer, the toxicity test proves that the added defoamer is further increased by 10 times, is not toxic to microorganisms, and has no effect on the COD (chemical oxygen demand) of the sewage.

    4. Product application:

    1): Water treatment defoamer: paper mill sewage, numerous chemical plant sewage, pharmaceutical plant sewage, other processing plant sewage, plant sewage, as well as hospitals, residential areas, urban sewage, various waste water defoaming treatment, various types Loop sewage treatment, various types of loop industrial sewage, recycling of wastewater in various industries, all kinds of room temperature, hemiplegia system, water treatment, defoaming, etc.

    Characteristics: fast defoaming speed, long foam suppression time, high efficiency, low dosage, non-toxic, non-corrosive, no adverse side effects. It is very easy to disperse in water and can be well compatible with liquid products. It is not easy to break the oil.

    2): Biological water treatment defoaming agent: Defoaming agent for biological sewage in various industries, defoaming agent for various industrial sewage treatment, defoaming agent for chemical sewage, and defoaming agent for various wastewater treatment.

    Characteristics: The biological water treatment defoamer developed by Defeng Defoamer Factory is produced by special process of polyether greased products. It is a flawless product and is a highly effective defoamer specially developed for various biological water treatment systems. The characteristics are: fast defoaming speed, long foam suppression time, high efficiency, low dosage, non-toxic, non-corrosive, no adverse side effects, especially no harmful side effects on various fungi of water species, no damage to the membrane, environmentally friendly. It is highly dispersible in water and can be well compatible with liquid products. It does not break the emulsion. Environmentally friendly water treatment defoamer.

    3): Water treatment defoaming powder: paper mill sewage, numerous chemical plant sewage, pharmaceutical factory sewage, other factory sewage, farm sewage, as well as hospitals, residential areas, urban sewage, various waste water defoaming treatment, various types of back Circulating sewage treatment, various types of industrial wastewater in circulation, treatment of circulating water in various industries, all water temperature and dehydration in normal temperature and hemiplegia systems

    Characteristics: fast defoaming speed, long foam suppression time, high efficiency, low dosage, non-toxic, non-corrosive, no adverse side effects. It is very easy to disperse in water and can be well compatible with liquid products. It is not easy to break the oil.

     

    Defoaming test comparison

    Sample

    No. Model

    Results

    A

    E-202

    Defoaming: 0:28:94 (with a small amount of small bubbles); antifoaming: 0:13:93 (and a small amount of small bubbles)

    B

    E-203

    Defoaming is slightly slower than A.

    These samples are all in line with the requirements, mainly depending on the customer's choice.


    These samples are all in line with the requirements, mainly depending on the customer's choice.

    Please indicate the source, www.zilibon.com

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    Contacts : Crystal Jin
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    Fax : 0086 769 26381220
    E-mail : [email protected]
    E-mail2 : [email protected]
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