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Efficient sludge conditioner as well as preparation method and application thereof

A sludge conditioning and sludge technology, applied in sludge treatment, biological sludge treatment, water/sludge/sewage treatment, etc., can solve the problem of inability to effectively recover residual sludge phosphorus, and achieve the effect of wide application prospects

Pending Publication Date: 2022-03-25
DONGGUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the defects or deficiencies in the prior art that the phosphorus in the excess sludge cannot be effectively recovered when the sludge is disposed of, and to provide a high-efficiency sludge conditioner

Method used

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  • Efficient sludge conditioner as well as preparation method and application thereof
  • Efficient sludge conditioner as well as preparation method and application thereof

Examples

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Comparison scheme
Effect test

Embodiment 1～6 and comparative example 1～3

[0044] The present embodiment and comparative example provide a series of sludge conditioners, and use the sludge conditioners to treat the sludge. The formula of the sludge conditioners is shown in Table 1 below.

[0045] Table 1 The formula of the sludge conditioner 1#~6# provided by Examples 1~6 and the sludge conditioner 1*~3* provided by Comparative Examples 1~3

[0046]

[0047] Each sludge conditioner is prepared through the following process: the components are uniformly mixed to obtain the sludge conditioner.

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Abstract

The invention relates to an efficient sludge conditioner as well as a preparation method and application thereof. The efficient sludge conditioner comprises protease, sodium hexametaphosphate and sodium dodecyl benzene sulfonate. According to the efficient sludge conditioner provided by the invention, through synergistic cooperation of all the components, organic matters, nitrogen and phosphorus in excess sludge can be recovered and recycled, and the efficient sludge conditioner has a wide application prospect.

Description

technical field [0001] The invention belongs to the technical field of sludge treatment, and more specifically relates to a high-efficiency sludge conditioner and its preparation method and application. Background technique [0002] Phosphorus is an important element needed in life activities such as human beings, animals and plants. Studies have shown that because the cycle of phosphorus resources in nature is a one-way flow, phosphorus will be depleted in the next 100 years. In addition, as the process of modern urbanization becomes faster and faster, the number of sewage treatment plants continues to increase, and the capacity of sewage treatment is also increasing. At the same time, more and more sludge by-products are produced by sewage treatment plants. Mud became a hot topic. The remaining sludge contains a large amount of heavy metals, organic pollutants and pathogenic microorganisms. If it is not properly treated, it will pollute the environment. In addition, the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00C02F11/02C02F11/122C02F11/148C02F1/52C01B25/45
CPCC02F11/02C02F11/00C02F11/148C02F11/122C01B25/45C02F1/5254
Inventor 曹露黄海明
Owner DONGGUAN UNIV OF TECH
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