Waste ash solidification agent, preparation method and application in sludge solidification
A curing agent and ash slag technology, applied in the engineering field, can solve the problems of poor mud strength and poor water absorption effect, and achieve the effect of good freeze-thaw resistance and large internal friction angle
Active Publication Date: 2022-05-31
福建原野环保科技有限公司
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Problems solved by technology
The curing agent in the prior art has poor water absorption effect, and the mud strength after curing is poor
Method used
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[0069] The active agent elicitor is potassium carbonate.
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Abstract
The invention discloses a waste ash solidifying agent, a preparation method and its application in sludge solidification. The waste ash solidifying agent is prepared from the following raw materials in parts by weight: 50-60 parts of modified waste ash , 25-35 parts of modified fly ash, 5-10 parts of slaked lime, 3-8 parts of sodium lignosulfonate, and 1-3 parts of active stimulator. The invention discloses a waste ash solidifying agent, a preparation method and its application in sludge solidification. The waste ash is modified, and the modified waste ash is used to prepare a solidifying agent. The obtained solidifying agent has a remarkable ability to solidify sludge. As a result, the solidified silt has good freeze-thaw resistance and a large internal friction angle, which can meet the engineering soil measurement requirements for building rolling.
Description
Waste ash solidifying agent, preparation method and application in sludge solidification technical field The present invention relates to the technical field of engineering, be specifically related to a kind of waste ash solidifying agent, preparation method and its application in sludge curing applications. Background technique The Ⅰ, Ⅱ grade fly ash of thermal power plant has been widely used, but there is still a large number of poor quality ash slag. Exploitation, a large number of hoarding not only occupies land, but also produces serious dust in dry weather. So, they are affecting the urban environment The two major sources of pollution, and the use of them to produce eco-environmental materials is in line with the development direction of circular economy. Reasonable utilization of fly ash and slag It can not only turn waste into treasure, reduce land occupation, reduce pollution, but also improve the added value of waste ash and slag. The society and ente...
Claims
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IPC IPC(8): C02F11/00
CPCC02F11/008Y02W30/91
Inventor 陈红元
Owner 福建原野环保科技有限公司