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Magnetic nano-silicon-based aerobic granular sludge and culture method and application thereof

A technology of aerobic granular sludge and magnetic nanometers, applied in chemical instruments and methods, water/sludge/sewage treatment, biological water/sewage treatment, etc., can solve problems such as application limitations, achieve balanced growth and death, and avoid The effect of the collapse of the core and the high number of atoms on the surface

Inactive Publication Date: 2017-02-01
CHENGDU UNIV OF INFORMATION TECH
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  • Abstract
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Problems solved by technology

[0003] The invention provides a magnetic nano-silicon-based aerobic granular sludge, aiming to solve the problem of unmodified magnetic nano-particle Fe 3 o 4 It is prone to chemical changes and agglomeration effects in water, which limits its application in the field of sewage treatment

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  • Magnetic nano-silicon-based aerobic granular sludge and culture method and application thereof
  • Magnetic nano-silicon-based aerobic granular sludge and culture method and application thereof
  • Magnetic nano-silicon-based aerobic granular sludge and culture method and application thereof

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0022] like figure 1 As shown, the preparation method of the magnetic nanosphere provided by the embodiment of the present invention comprises the following steps:

[0023] S101: put the magnetic nanosphere Fe 3 o 4 / SiO 2 Added to the activated sludge system;

[0024] S102: forming magnetic nano-silicon-based aerobic granular sludge, and treating wastewater.

[0025] The application effects of the present invention will be described in detail below in conjunction with comparativ...

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Abstract

The invention discloses magnetic nano-silicon-based aerobic granular sludge and a culture method and application thereof. The magnetic nano-silicon-based aerobic granular sludge contains magnetic nanospheres Fe3O4 / SiO2. The culture method of the magnetic nano-silicon-based aerobic granular sludge includes the following step that the magnetic nanospheres Fe3O4 / SiO2 are put into an active sludge system to form the magnetic nano-silicon-based aerobic granular sludge, and the magnetic nano-silicon-based aerobic granular sludge is used for wastewater treatment. The magnetic nano-silicon-based aerobic granular sludge has the advantages that formation is quick, the wastewater denitrification and dephosphorization capacity is high, magnetic nanometer materials in excess sludge are recycled conveniently, and long-time stable operation of the aerobic granular sludge is improved.

Description

technical field [0001] The invention belongs to the technical field of wastewater treatment, and in particular relates to a magnetic nano-silicon-based aerobic granular sludge and a cultivation method and application thereof. Background technique [0002] Aerobic granular sludge is a self-immobilized particle of cells formed spontaneously under aerobic conditions. Compared with flocculent sludge, it has good settling performance, high sludge concentration, easy solid-liquid separation, and easy to improve sewage treatment efficiency. , reduce the cost of sewage treatment and other advantages, in recent years has become a research focus of scholars in the field of sewage treatment. The aerobic granular sludge process is therefore considered to be one of the most promising sewage biological treatment technologies in the world. However, the rapid granulation and stable operation of aerobic granular sludge have always been the biggest bottleneck restricting its practical applic...

Claims

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Application Information

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IPC IPC(8): C02F3/12
CPCC02F3/1205Y02W10/10
Inventor 信欣刘洁管蕾郭旭晶羊依金谭显东
Owner CHENGDU UNIV OF INFORMATION TECH
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