Microbiological organic high-calcium mud material for manufacturing adsorptive plate and preparation method thereof
An adsorption, plate technology, applied in the field of materials, can solve problems such as long regeneration time, and achieve the effect of reducing raw material costs, significant technology, and improving strength
Active Publication Date: 2021-04-09
张悦
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is a biogenic siliceous sedimentary rock composed primarily of the remains of ancient diatoms; long regeneration time
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[0035] A kind of microbial organic high-calcium mud material used for manufacturing adsorption plate, preparation method, it comprises the following steps:
[0036] 1) Treatment of activated sludge by hot alkali process: In a hot alkali environment, the mechanical force of high-speed rotation is directly applied to the activated sludge to form a hydrocyclone. Under the dual action of mechanical force and hydrocyclone, the activated sludge is broken , and separate and dissolve the activated sludge biomass; the treated activated sludge is cooled and filtered with high pressure and high resistance to obtain a mud cake. The moisture content of the mud cake is controlled to 45-55%, and the pH is 9.5-10.5.
[0037] 2) Crush the mud cake to 15-25 microns to obtain microbiological organic high-calcium mud material.
[0038] Calcium oxide is added in the reaction vessel containing the activated sludge, and heated to form a hot alkali environment; the activated sludge has a solid conten...
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Abstract
The invention relates to a micro-organism organic high-calcium mud material for manufacturing an adsorptive plate and a preparation method of the micro-organism organic high-calcium mud material. The micro-organism organic high-calcium mud material is prepared by crushing a mud cake obtained by treating activated sludge by a hot alkali process, and is rich in organic matters, calcium and silicon; when the organic fertilizer is used as a main material (50%) for manufacturing a plate, in the high-pressure steam curing and drying process, organic matter is decomposed to generate ammonia gas to be released, and the ammonia gas is removed; when the activity of organic matters disappears, the structure of the organic matters is changed, and nanoscale dense annular structure micropores and calcium ion bridges are formed in the plate. The preparation method comprises the following steps: treating activated sludge by a hot alkali process: treating the activated sludge in a hot alkali environment, and cooling and filter-pressing the treated activated sludge to obtain a sludge cake; and crushing the mud cake to obtain the microbiological organic high-calcium mud material.
Description
technical field [0001] The technical field of materials of the present invention specifically relates to a microbiological organic high-calcium mud material used for making adsorbent plates and a preparation method thereof. Background technique [0002] At present, diatomite is generally used as raw material to manufacture absorbent plates; [0003] Diatomaceous earth is a kind of siliceous rock, mainly distributed in China, the United States, Japan, Denmark, France, Romania and other countries. Is a biogenic siliceous sedimentary rock composed mainly of the remains of ancient diatoms; long regeneration time. Contents of the invention [0004] The invention proposes a microbiological organic high-calcium mud material and a preparation method thereof which can replace diatomite and be used to manufacture adsorbent plates. [0005] Technical scheme of the present invention: [0006] A microbial organic high-calcium mud material used to manufacture adsorbent plates. The mi...
Claims
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IPC IPC(8): C04B20/04C04B20/02E04F13/14C04B18/04
CPCC04B20/04C04B20/023C04B20/026C04B18/04E04F13/14Y02W30/91
Inventor 张悦
Owner 张悦