CN104096541A - Preparation method for regenerative active adsorbent through solid wastes and plants - Google Patents
Preparation method for regenerative active adsorbent through solid wastes and plants Download PDFInfo
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- CN104096541A CN104096541A CN201410353470.6A CN201410353470A CN104096541A CN 104096541 A CN104096541 A CN 104096541A CN 201410353470 A CN201410353470 A CN 201410353470A CN 104096541 A CN104096541 A CN 104096541A
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Abstract
The invention provides a preparation method for a regenerative active adsorbent through solid wastes and plants, and relates to the technical field of material production, in particular to the technical field of adsorbent preparation. The preparation method comprises the following steps: performing high temperature processing on obtained sludge subjected to treatment by a sewage treatment system to obtain granulous solids; mixing the granulous solids with plant wastes, coal slay, calcium lime and black mud, drying, and pressing the mixture to be a massive blank; placing the massive blank into a kiln to be preheated and carbonized, then performing high-temperature catalysis treatment, and cooling to obtain activated carbon. Under the effect of high temperature, the plant wastes of wasted crops are carbonized, pores with different sizes are formed in the surfaces and inner parts of produced finished produces, so that a function of activated carbon is provided; moreover, the carbonized plant wastes are natural activated carbon, and the main component of straw plant ash is potassium carbonate, so that the plant ash wholly shows a strong base and weak acid character, and acidic waste gas can be more efficiently adsorbed and purified.
Description
Technical field
The present invention relates to the preparing technical field of the production technology of material, particularly adsorbent.
Background technology
Various pollutions have had a strong impact on people's life and health, acid rain haze, and the battle form of increasingly serious man and nature, environmental protection is more and more paid attention to by current people.Have at present the processing mode for production technology sewage, but the water producing when pickling pollutes and atmosphere pollution.Being rich in of being produced by sewage disposal calcareously but become a difficult problem with the solid waste of heavy metal.The a large amount of solid waste that form cannot be processed, and can only look for specially local heap to put away, and so not only waste soil, and contaminated land more causes the not busy expense of the energy.
Sewage disposal system has been set up in many cities; reduce discharging target and water environment and improve for realizing, made contribution, but the construction of Sewage Plant and move and but produce a large amount of water content every day and reach 80% excess sludge; a large amount of residues of mud, cause new threat to environmental protection.
But the sewage disposal system of object is in process of construction, is only to pay attention to sewage purification always, has but ignored mud, or has been only that mud is just imitated to minimizing, does not accomplish stabilization processes.
In mud, contain the pollutants such as odorant, pathogen, various organic matter inorganic matter, heavy metal.According to current processing mode, just sewage pollution is transferred to mud and polluted, and be transferred to land, cause pollutant further to spread, environment protection treating effect is originally had a greatly reduced quality.
In current improvement method, landfill, natural mummification comprehensive utilization, burning and air storage are commonplace.But regulation effect is really no more than 20%, secondary pollution and the wasting of resources still exist.
The method of landfill adopts the widest, but the simplest method but the most easily goes wrong, and the sepage after landfill becomes another important pollution sources of polluted underground water and soil.
On the other hand, the offal treatment of the stalk of crops, shell wood chip, leaf etc. and depositing all has problems, and directly burning can atmosphere pollution, produces haze.Air storage is easily gone mouldy, the waste water meeting polluted river of generation, and the stench of waste gas is unbearably.By the raw material as mixing mud, just can solve the problem of various generations, turn waste into wealth, benefit the nation and the people.
Summary of the invention
The present invention seeks to propose a kind of waste agronomic crop that can make full use of, and consume the preparation method of the solid waste of sewage disposal system mud after treatment and the hypersober of plant regeneration.
Technical solution of the present invention comprises the following steps:
1) mud of obtaining is placed in to 1200～1400 DEG C of environment after sewage disposal system is processed and carries out high-temperature process, after cooling, obtain granular solids;
2) above-mentioned granular solids and plant waste, cinder, quick lime, black mud are mixed to post-drying, then be pressed into block blank;
3) above-mentioned block blank is placed in to preheating in the kiln of 100～200 DEG C, carbonization, and then in the kiln of 400～600 DEG C, carries out high-temperature catalytic processing, after cooling, obtain active carbon.
The principle of the invention: plant waste mainly contains calcium hydroxide containing charcoal, absorb strong, after chemical reaction, it not only can utilize adsorption, various waste gas steam dust etc. also can be adsorbed in inside, directly make waste gas adsorption filtration, because there are some holes surface and the inside of porous active regeneration adsorbent, comprehensively adsorption cleaning waste gas.The present invention is under high temperature action, the plant waste of waste agronomic crop is by charing, the product completing is the surperficial function with active carbon that all spreads all over hole not of uniform size even inside not only, and itself be exactly natural active carbon by the plant waste of charing, and Stalk wood ash is taking potash as main, the whole strong base weak acid that is, can more efficient adsorption cleaning acid waste gas.
The mud that the present invention obtains after sewage disposal system is processed is after high-temperature process, various metals and calcareous and sub-acid are contained in the mud the inside of containing heavy metal, carry out high temperature reduction and solidify processing, make solid waste dehydration, remove peculiar smell, heavy metal is combusted into metal solid, has solved the mud problem of environmental pollution again.
The present invention, in step 3), first through preheating, carbonization, then through the active carbon preparation method of high-temperature catalytic processing, can save the energy 60%.
The present invention the most important thing is to accomplish: the treatment of wastes with processes of wastes against one another, to the saving of the energy, to the promotion of environmental protection, to economic circulation, all make sizable effect.The present invention, with dirty pollution treatment, is turned waste into wealth, and the method that the treatment of solid waste recycling is polluted has been abandoned the method for original landfill.The method of landfill is more and more infeasible, growing industrial or agricultural, and the soil consumption day by day increasing, landfill must be implemented for a long time.The present invention utilizes plant elements charing processing, and entirety is made the material of similar active carbon, and finished product adsorbance is large, and refuse is recycled, energy-saving consumption-reducing, and finished product is nonpoisonous and tasteless harmless, especially a kind of novel high-efficiency environment friendly product.Production process of the present invention is the process of energy-saving consumption-reducing, by being the solid waste of pollutant originally, mixes the various inexpensive raw materials that are easy to get, and to castoff regenerative utilization, produces a kind of absorption new material, for the treatment of various exhaust emissions.
The adsorbent of making can adsorb various waste gas poison gas and nontoxic escaping gas, can also hygroscopic desiccation.Be mainly used in chemical industry aspect, in Paint Production, in pharmaceutical manufacturing process, can adsorb Formaldehyde and benzene, alcohols, various peculiar smell.Be mainly used in chemical industry, paint, the industry of pharmacy and various relieving haperacidity, can filter absorption to organic matter inorganic matter.In chemical reaction process, can adsorb the various gases of generation.Such as footwear take the peculiar smell waste gas of material ethyl acetate used, food factory, the grease smell that dyeing produces, the toxic gas that chemical laboratory produces, toxic gas and the rubber smell etc. that insecticide factory produces.Can also carry out adsorption treatment acid mist etc. to galvanizing phosphorization pickling industry.Processing procedure is convenient, without other medicaments.
In addition, the mixing quality of granular solids of the present invention and plant waste, cinder, quick lime, black mud ratio is 10 ︰ 6 ︰ 2 ︰ 1 ︰ 1.Cinder herein and quick lime black mud play the effect of cementation, and this mixing ratio can strengthen the accounting of granular solids and plant waste, are mainly as raw material, the more important thing is the consumption that strengthens raw material, reach the effect of reduction of discharging.
In addition, step 2) in dry environment temperature be 60～100 DEG C.
Detailed description of the invention
One, pretreatment:
By the various plant wastes of collecting, as half-dried in air dry systems such as discarded straw, shell, blade, roots.
By broken respectively to quick lime and black mud.
Two, prepare the step of adsorbent:
1, by conveyer belt, the mud of obtaining is placed in to 1200～1400 DEG C of environment carries out high-temperature process approximately 1～2 hour after sewage disposal system is processed, then naturally cooling, obtain granular solids, for the further fragmentation of bulk.
2, weigh respectively with the mass ratio of 10 ︰ 6 ︰ 2 ︰ 1 ︰ 1, after above-mentioned granular solids and plant waste, cinder, quick lime, black mud are mixed, the environment that is placed in 60～100 DEG C is dried, then is pressed into block blank.
3, above-mentioned block blank is placed in to preheating in the tunnel kiln of 100～200 DEG C, carbonization treatment 1～2 hour, and then in the kiln of 400～600 DEG C, carries out high-temperature catalytic and process 1～2 hour, after cooling, obtain active carbon.The present invention adopts tunnel kiln, not only can be energy-conservation, and still triangle temperature branch stably, is beneficial to the temperature control of each step, and in addition, waste gas is also easily collected, and facilitates follow-up environmental protection treatment.
4, active carbon is packed, put in storage.
5, residue treatment approach: can be used as garden soil; Also can be used as non-burning brick raw material; Can also serve as the additive of the building materials such as cement.
Claims (3)
1. a preparation method for the hypersober of solid waste and plant regeneration, is characterized in that comprising the following steps:
1) mud of obtaining is placed in to 1200～1400 DEG C of environment after sewage disposal system is processed and carries out high-temperature process, after cooling, obtain granular solids;
2) above-mentioned granular solids and plant waste, cinder, quick lime, black mud are mixed to post-drying, then be pressed into block blank;
3) above-mentioned block blank is placed in to preheating in the kiln of 100～200 DEG C, carbonization treatment, and then in the kiln of 400～600 DEG C, carries out high-temperature catalytic processing, after cooling, obtain active carbon.
2. preparation method according to claim 1, the mixing quality ratio that it is characterized in that described granular solids and plant waste, cinder, quick lime, black mud is 10 ︰ 6 ︰ 2 ︰ 1 ︰ 1.
3. according to preparation method described in claim 1 or 2, it is characterized in that described step 2) in dry environment temperature be 60～100 DEG C.
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| CN201410353470.6A CN104096541A (en) | 2014-07-24 | 2014-07-24 | Preparation method for regenerative active adsorbent through solid wastes and plants |
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| CN201410353470.6A CN104096541A (en) | 2014-07-24 | 2014-07-24 | Preparation method for regenerative active adsorbent through solid wastes and plants |
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Cited By (5)
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| CN104973680A (en) * | 2015-07-27 | 2015-10-14 | 宁波江东仑斯福环保科技有限公司 | Efficient multi-purpose sewage treatment agent and sewage treatment method utilizing same |
| CN104984732A (en) * | 2015-07-27 | 2015-10-21 | 刘雷 | Heavy metal ion adsorbent preparation method |
| CN107381684A (en) * | 2017-09-18 | 2017-11-24 | 清远绿由环保科技有限公司 | A kind of filtering agent and its manufacture method produced with paper mill sludge for handling sewage |
| CN109336640A (en) * | 2018-12-10 | 2019-02-15 | 青岛海通鑫瑞实业有限公司 | A kind of preparation method of carbon based material |
| CN115537207A (en) * | 2022-09-15 | 2022-12-30 | 城康材料技术有限公司 | Novel soil remediation agent and preparation method and application thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104973680A (en) * | 2015-07-27 | 2015-10-14 | 宁波江东仑斯福环保科技有限公司 | Efficient multi-purpose sewage treatment agent and sewage treatment method utilizing same |
| CN104984732A (en) * | 2015-07-27 | 2015-10-21 | 刘雷 | Heavy metal ion adsorbent preparation method |
| CN107381684A (en) * | 2017-09-18 | 2017-11-24 | 清远绿由环保科技有限公司 | A kind of filtering agent and its manufacture method produced with paper mill sludge for handling sewage |
| CN109336640A (en) * | 2018-12-10 | 2019-02-15 | 青岛海通鑫瑞实业有限公司 | A kind of preparation method of carbon based material |
| CN115537207A (en) * | 2022-09-15 | 2022-12-30 | 城康材料技术有限公司 | Novel soil remediation agent and preparation method and application thereof |
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Effective date of registration: 20170808 Address after: Tang Zhuang Zhen Han Gaoyou city of Jiangsu province Yangzhou city stay 225600 Industrial Zone Applicant after: Jiangsu green tower Environmental Engineering Co., Ltd. Address before: 225200 Jiangsu Province, Yangzhou city Jiangdu District Fan Chuan Zhen Industrial Park Applicant before: YANGZHOU RONGKANG AIR PURIFICATION EQUIPMENT CO., LTD. |
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Application publication date: 20141015 |