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Tobacco wastewater sludge activation and recycling method

A waste water sludge and tobacco technology, applied in chemical instruments and methods, water/sludge/sewage treatment, dehydration/drying/concentrated sludge treatment, etc., can solve the problems of comprehensive utilization of urban solid waste that have not been seen, and achieve Practical alkaloid activity, easy storage, and obvious effect of phase separation

Inactive Publication Date: 2011-05-25
WUHAN DANYAXIANG TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the problem before us is: how to replace the alkaloid (nicotine) in the mud powder, make it in a free state, and evenly distribute it on the surface of the mud powder or the loose structure area of ​​the solid. During the process, under certain conditions, its alkaloid activity can be exerted to achieve the insecticidal effect
[0014] This invention is the same as the two invention patents previously applied for. The literature search shows that the production process of cigarettes, cigars and tobacco products in foreign countries may be different from that in China. Therefore, there are no relevant reports on the comprehensive utilization of this type of municipal solid waste.

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0054] Wastewater from the homogenization tank of the sewage treatment station of the cigarette production plant is processed through the whole process to obtain mud powder with certain alkaloid activity. Five indicators were used to qualitatively detect the apparent alkaloid free (A item value) of the powder, and qualitatively evaluate the apparent alkaloid activity of the powder. "Water immersion-ultraviolet spectrophotometry" was used to quantitatively detect the release of alkaloids (B item value) when the powder was immersed in water, so as to evaluate the alkaloid releasability of the powder.

[0055] Take 50kg of comprehensive wastewater from Wuhan Tanyaxiang Technology Development Co., Ltd., and the wastewater will be sampled by the Environmental Monitoring Station of Hanyang District, Wuhan City, and the active mud powder will be prepared in the laboratory. The specific operation is as follows:

[0056] First, according to the "solid-liquid enrichment and separation ...

Embodiment 2

[0065] Take 5kg of sludge from the sludge concentration tank of the sewage treatment station of Hubei Xinye Tobacco Flake Development Co., Ltd., and the sludge is sent by Wuhan Green Environmental Protection Facility Operation Co., Ltd. for sludge pretreatment and activated sludge powder preparation in the laboratory. The detection of the mud powder is carried out in the same manner as in Example 1, and 5 kinds of indicators are used to qualitatively detect the apparent alkaloid free (A item value) situation of the powder, and qualitatively evaluate the apparent alkaloid activity of the powder. "Water immersion-ultraviolet spectrophotometry" was used to quantitatively detect the release of alkaloids (B item value) when the powder was immersed in water, so as to evaluate the alkaloid releasability of the powder.

[0066] For the 5kg sludge in Example 2, the whole process of preparation is as follows: 5kg sludge → adding pretreatment agent → coagulation and concentration → sludge...

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Abstract

The invention relates to a tobacco wastewater sludge activation and recycling method, which comprises the following steps of: adding base activation and calcium displacement agents into waste sludge in a sludge sump of a tobacco production unit wastewater treatment station for mixing, and performing pressure filtration, drying, crushing and sieving to form sludge powder of 100 to 200 meshes; performing solvent activation, flotation decontamination and oil sludge neutralization; and finally performing drying, grinding and sieving to obtain activated powder of 200 to 300 meshes. Nicotine alkaloids are redistributed in solid and liquid phases in a treatment process, so the obtained sludge powder has practical alkaloid activity, and is suitable for use after being mixed and compounded into powdery pesticides with other agents or use as an additive and a carrying agent of the powdery pesticide. In the method, tobacco sheet wastewater sludge, cigarette wastewater sludge, cigar wastewater sludge and tobacco product wastewater sludge can be activated and recycled, the activated powder is convenient to store, and the alkaloids have a slow release property and a relatively wider applicationrange.

Description

technical field [0001] The invention belongs to the technical field of urban solid waste recycling and reuse, and particularly relates to the activation and reuse method of waste water and sludge produced in the tobacco industry. Background technique [0002] The wastewater discharged by the production units of the tobacco industry in the production process of tobacco sheets, cigarettes, cigars and their products inevitably carries some solids, which must contain tobacco raw material powder and other components. Especially the production process of reconstituted tobacco sheet by papermaking method, because the raw materials themselves are tobacco leaf fragments, tobacco powder, tobacco stems and other raw materials, and through the production process of crushing, extraction, copying, etc., the tobacco raw materials are made more fine, so it will More solids are discharged along with the production effluent. At present, although the wastewater treatment process has digested ...

Claims

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Application Information

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IPC IPC(8): C02F11/00C02F11/14A01N61/00A01N25/12A01N25/08A01P7/04B09B3/00
Inventor 姚元军王云祥吴四和胡丽军王凤兰刘志昌万超
Owner WUHAN DANYAXIANG TECH DEV
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