CN1793069A - Process for producing organic potassium manure by plant planted on solid waste - Google Patents
Process for producing organic potassium manure by plant planted on solid waste Download PDFInfo
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- CN1793069A CN1793069A CNA2005101264099A CN200510126409A CN1793069A CN 1793069 A CN1793069 A CN 1793069A CN A2005101264099 A CNA2005101264099 A CN A2005101264099A CN 200510126409 A CN200510126409 A CN 200510126409A CN 1793069 A CN1793069 A CN 1793069A
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- plant
- solid waste
- potassium
- sweet potato
- fertilizer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The invention relates to a method to plant on the fertilizer from solid waste. It uses the sludge from city sewage farm. The plant is Alocasia marorrhiza or Alocasia marorrhiza and Sedum alfredii H. Potassium in haulm of alocasia marorrhiza reaches to 10wt%, N, P<SUB>2</SUB>O<SUB>5</SUB>, K<SUB>2</SUB>O reaches to 15wt%. It is a high content natural compounding organic potassium fertilizer.
Description
[technical field]:
The present invention relates to utilize solid waste plantation plant production to contain the method for potassic fertilizer.
[technical background]:
Along with industrial development and technical progress, using year by year of chemical fertilizer increases, and to nineteen ninety-five, the amount of application of chemical fertilizer has accounted for 67.8% of farmland nutrient input amount.Be accompanied by chemical fertilizer and use in a large number, brought a series of problem, use imbalance comprising nitrogen, phosphorus, potash fertilizer, it is wherein distinct issues that potash fertilizer is used deficiency.The potash fertilizer insufficient investment causes the soil potassium situation that wanes constantly to be aggravated for a long time, has had a strong impact on the Sustainable development of utilization rate of fertilizer and agricultural.The nitrogen phosphoris and potassium fertilizer ratio of homemade chemical fertilizer in 1997 (N: P
2O
5: K
2O) being 1: 0.31: 0.013, adding import then, use the nitrogen phosphoris and potassium fertilizer ratio of chemical fertilizer, is 1: 0.32: 0.14 when not comprising composite fertilizer, and when comprising composite fertilizer, the ratio of phosphorus improves.Phosphorus meets the demands substantially in using chemical fertilizer, and the ratio of potassium is still on the low side.People know, the potassium ore resources is many in the world, but the potassium ore resources is too concentrated, the sylvite output of the world six big sylvite producing countries (Canada, the C.I.S., Germany, the U.S., Israel and Jordan) accounts for 90% of Gross World Product, and the potash fertilizer turnout of China is 0.6% of a Gross World Product, but consumption then is 14.7%, this shows, the potassium resource of China is shortage very, mainly relies on import.The later stage fifties, China just carried out the work of seeking potassium resource, although obtain some progress, found the potassium ore resources that can utilize for commercial exploitation seldom, and solid solubility potassium ore resources does not make substantial breakthroughs so far, looks for the ore deposit prospect to allow of no optimist.Therefore the contradiction of China's agricultural potassium deficiency will still also can exist in quite long period.
Municipal sludge is a kind of solid waste of discharging from sewage work, and it is a kind of N of being rich in, P and organic good organic fertilizer resource.At present, in Europe, many countries are used for agriculture production in a large number with this solid waste, and it is over half that its utilization ratio reaches this solid waste total amount, and states such as U.S., method, English surpass 60%.Therefore, municipal sludge rationally is used for agricultural,, realizes resource utilization, realize that recycling economy has very realistic meanings keeping and improving soil fertility, especially true for the soil of characteristic of acid red soil series.Along with the national economy develop rapidly, along with people require more and more higher to living environment and atmospheric environment, town domestic sewage is handled and is become important day by day, China plan 2005 the end of the year town domestic sewage processing rate to bring up to 40%, the above city of 500,000 populations will reach more than 60%, so all parts of the country are a large amount of newly-built and enlarging sanitary sewage disposal factory, and the amount of municipal sludge also will inevitably increase considerably, and is badly in need of taking some measures like this disposing.In the reality, the sludge of sewage treatment plants Zn/Cu content overproof on ground such as China Shanghai, Guangzhou, Hong Kong, Shenzhen, Taiyuan, Suzhou has limited its agricultural use.Under these circumstances, the inventor handles municipal sludge and has carried out studying extensively and profoundly, has made the present invention on this basis.
[summary of the invention]
[problem that will solve]
The purpose of this invention is to provide a kind of method of utilizing solid waste plantation plant production to contain the potassium organic fertilizer.
[technical scheme]
The inventor finds the plant-sweet potato (Alocasia marorrhiza) of potassium in a kind of enrichment soil or the plantation medium, and it is that it can directly be planted on the municipal sludge by the large leaf plant of stem tuber breeding.The inventor also utilizes plant-Sedum alfredii Hance (Sedum alfredii H) of Zn in a kind of enrichment soil or the plantation medium, and it is can the shady Crassulaceae plant of vegetative happiness, and it also can directly be planted on the municipal sludge.In addition, this two kind of plant can be planted separately or interplant.Show after tested, the potassium content that adopts the inventive method plantation sweet potato stem with dry weight basis up to 10%, and N, P
2O
5, K
2The O total content generally is higher than 15%, is a kind of high-content, natural compound organic potassic fertilizer therefore.By interplanting two kind of plant, obtain these good effects equally.
The present invention relates to a kind of fertiliser production method that contains organic potassium.This method is that to utilize the solid waste of discharging from sewage work be municipal sludge, the production agroforestry need at present, organic plant potash fertilizer safely and efficiently.
The principle of its method is to utilize the special absorption of certain plants or the ability of some element of enrichment or compound.Select suitable plant, on these solid waste, these plants absorb in process of growth or are enriched in the low beneficial element of content in these solid waste, after plant-growth for some time with their plantations, gather in the crops these plants, just obtain described organic plant potash fertilizer after treatment.
Describe the production method that height of the present invention contains the potassium organic fertilizer below in detail.
A kind of method of utilizing solid waste plantation plant production to contain the potassium organic fertilizer is characterized in that this method comprises the steps:
I) choose solid waste, to this solid waste pre-treatment, make it to be fit to the plantation plant, if the solid waste of selecting for use is that sludge from wastewater treatment plant then need not done pre-treatment, and directly 20-40cm is thick on the ground;
The sweet potato of ii) choosing (Alocasia marorrhiza) seed or seedling, every m
2The 6-12 strain;
Iii) taro and root are imbedded in the mud, allowed bud or overground part basset, and water suitable water according to the water content of handled refuse;
Iv), pulverized the sieve in 2-10mm aperture with drying or dry after the overground part results;
Potassic organic fertilizer of the present invention is made in the back pack of v) sieving, and perhaps incinerates and makes the inorganic potash fertilizer of greater concn.
This potassic organic fertilizer contains effective constituent potassium, nitrogen, phosphorus, organic matter, the potassium content of its organic fertilizer with dry weight basis up to 10%, and N, P
2O
5, K
2The O total content generally is higher than 15%.
Described sweet potato comprises wild taro, Alocasia ordora, taro, the fragrant taro that is referred to as usually.
Described sweet potato can be interplanted with Sedum alfredii Hance (Sedum alfredii H).
[beneficial effect]
Method processing of waste of the present invention is more cheap than conventional landfill or incineration treatment method, but and the valuable product innovation of output, its advantage is conspicuous:
(1) utilize refuse, turn waste into wealth;
(2) utilize plant, with low cost;
(3) the favourable maintenance soil fertility of organic potassic fertilizer;
(4) realize multiple efficacies simultaneously, achieve many things at one stroke, adopt method of the present invention, not only can produce and contain the potassium organic fertilizer, and mud also reduces its heavy metal content after plantation plant treatment reason.
(4) description of drawings
Fig. 1 represents the content of sweet potato N, P, K in growth mid-term and latter stage stem.A is N, P, a K content in the stem measured mid-term of sweet potato growth among the figure, and B is the growth measurement result in latter stage; Error line is a standard error; According to Duncan check (p=0.05), identical element has the expression of same letter and does not have significant difference.
(5) embodiment
Embodiment 1
The not digestion dewatered sludge of Guangzhou big Tan Sha sewage work is all adopted in embodiment of the invention test, and wherein heavy metal Zn surpasses national standard (GB4284-1984).Its concrete implementation step is:
I) directly 30cm is thick on the ground for sludge from wastewater treatment plant;
The sweet potato of ii) choosing (Alocasia marorrhiza) seed or seedling, every m
29 strains;
Iii) the sweet potato method for planting is imbedded taro and root in the mud, allows bud or overground part basset, and waters suitable water according to the water content of handled refuse;
Iv) sweet potato plant treatment process is to dry or to dry after the overground part results, to pulverize the sieve in 2-10mm aperture;
Potassic organic fertilizer of the present invention is made in the back pack of v) sieving.
Test is 0.81m at area
2Sludge sump on carry out, it is thick to 30cm to insert mud.Plant sweet potato (Alocasia marorrhiza) separately, 3 repetitions, planting process is not executed any fertilizer, plants and gathers after 4 months.Plant sample carries out assay determination, and it the results are shown in table 1.
Make the product analysis result.
(the unit: mg/kg DW) of the concentration of Zn, Cu in table 1 roots of plants and the cauline leaf
| Floristics | Zn Cu K | ||||
| Root | Cauline leaf | Root | Cauline leaf | Cauline leaf | |
| Sweet potato (A.mar) | 737.5±12.7 | 458.3±35.3 | 66.8±10.6 | 25.7±4.2 | 83.4±3.5 |
The assay determination of plant sample shows that the plant nutrient in the plant absorbing mud is obvious.The N of sweet potato over-ground part, P, K concentration are all higher relatively, and especially K concentration is up to 83.4g/kg, N, P
2O
5, K
2The total content of O is suitable as organic fertilizer greater than 12% very much, for scarce K soil, can be used as organic potassic fertilizer supply soil, and heavy metal concentration wherein is lower than Chinese commodity fertilizer standard (GB-8172) (table 1).
Embodiment 2
The not digestion dewatered sludge of Guangzhou big Tan Sha sewage work is all adopted in embodiment of the invention test, and wherein heavy metal Zn surpasses national standard (GB4284-1984).Its concrete implementation step is as follows:
I) directly 40cm is thick on the ground for sludge from wastewater treatment plant;
The sweet potato of ii) choosing (Alocasia marorrhiza) seed or seedling, every m
29 strains; The Sedum alfredii Hance seedling, every m
260 strains;
Iii) the sweet potato method for planting is imbedded taro and root in the mud, allows bud or overground part basset, and Sedum alfredii Hance is interspersed to be planted in the sweet potato next door, and waters suitable water according to the water content of handled refuse;
Iv) sweet potato plant treatment process is to dry or to dry after the overground part results, to pulverize the sieve in 2-10mm aperture;
Potassic organic fertilizer of the present invention is made in the back pack of v) sieving.
Test is 0.81m at area
2Sludge sump on carry out, it is thick to 30cm to insert mud.Sweet potato and Sedum alfredii Hance interplanting; Plant growing is adopted peripheral 4 cauline leafs of sweet potato as growth sample in mid-term in the time of 4 months, all gather after 8 months.Plant sample carries out assay determination, and it the results are shown in Fig. 1 and table 2.
Table 2 interplanting test Sedum alfredii Hance and sweet potato plant output and heavy metal content
| Sedum alfredii Hance (S.alfredii H) | Sweet potato (A.marorrhiza) | ||||
| The piece root | Root | Stem | Leaf | ||
| The single single kind of interplanting Zn (mg/kg DW) of planting of dry matter (g/polt) | 37.4±2.6 # 27.2±2.3 10057±311.4 | 1292.9±369.0 878.6±210.2 332.3±22.58 | 19.7±6.1 9.1±4.2 647.8±37.76 | 210.0±70.1 132.8±32.7 245.88±33.51 | 124.9±42.5 68.3±22.5 58.40±4.92 |
| Interplanting | 15313±798.9 | 400.73±30.99 | 1461.1±83.40 | 360.97±4.50 | 118.15±18.47 |
#Data are mean+/-standard errors.
By The above results as can be seen, by the interplanting of sweet potato and Sedum alfredii Hance is found, biomass of sweet potato and metal concentration plant with single that to compare difference not remarkable.The sweet potato K content of measuring mid-term can reach 12% (Fig. 1) of dry weight, and the later stage, its stem nutrient content was still very high, and the staple food part-piece root of results can be made the feed of rich Zn, the added chemical Zn salt of mixed fodder such as replacement pig.
This plant treatment system of super enriching plant Sedum alfredii Hance and sweet potato interplanting has realized separating of Zn and K, Zn is enriched in and reaches 1% of dry weight in the Sedum alfredii Hance, K concentrates 5-10 doubly in the sweet potato stem, simultaneously in the sweet potato stem Zn, Cu heavy metal concentration compare dilution with mud be below 1/3, safe more and efficient through the fertilizer that sweet potato is transformed, be that a kind of green sub of nature sun power of utilizing is from transformation technology therefore.
Mud after 1 pair of plantation of experimental example plant is finished carries out physical and chemical property determining and shows (table 3), the content of sludge heavy-metal Zn, Cu all decreases, the minimum 1097.2mg/kg that reduces to of mud Zn content after sweet potato and the Sedum alfredii Hance interplanting, the content assaying method of heavy metal Zn, Cu is the method for common employing in the art.Sludge moisture content behind the plantation sweet potato reduces to below the 600g/mg, and sludge drying is had certain effect.Seed germination index aspect, except no plant blank, the mud after the processing is greater than 100%, and illustrating has promoter action to plant seed germination and elongation.
The different plant treatment of table 3 are to the influence of mud physico-chemical property
| Sludge heavy-metal content (mg/kg DW) | Water content (g/kg) | GI #(％) | pH | ||
| Full Zn | Full Cu | ||||
| Fresh sludge | 1362.2±13.0 | 273.9±7.2 | 840.8±3.2 | 60.90±2.1 | 7.01±0.03 |
| Blank (not planting plant) plantation sweet potato | 1211.3±37.6 1103.3±17.1 | 258.6±5.9 230.6±15.2 | 602.8±4.0 579.2±6.5 | 85.62±11.9 100.51±4.8 | 5.15±0.05 4.80±0.03 |
| Sweet potato+Sedum alfredii Hance | 1097.2±57.7 | 241.8±8.1 | 585.0±11.0 | 104.84±10.7 | 5.14±0.21 |
| Sedum alfredii Hance | 1278.2±17.0 | 247.7±8.0 | 656.7±8.0 | 116.73±5.9 | 5.45±0.05 |
#GI is the seed germination index, and data are mean value ± standard error (Mean ± SE) in the table.
Therefore the content of the sludge heavy-metal after the plant treatment reason descends, and compares with sludge composting, has certain advantage.Sweet potato is the bigger potassium enriching plant of a kind of biomass, its stem is very strong for the accumulation capability of K, can be converted into good organic potassium fertilizer, the piece root is capable of using as feed etc., the interplanting of sweet potato and Sedum alfredii Hance can be enriched in different plants with the Zn in the municipal sludge and K and be recycled, and is the new green integrated mode of handling refuses such as municipal sludge.
Claims (4)
1, a kind of method of utilizing solid waste plantation plant production to contain the potassium organic fertilizer is characterized in that this method comprises the steps:
I) choose solid waste, to this solid waste pre-treatment, make it to be fit to the plantation plant, if the solid waste of selecting for use is that sludge from wastewater treatment plant then need not done pre-treatment, and directly 20-40cm is thick on the ground;
Ii) choose sweet potato (Alocasia marorrhiza) seed or seedling, every m
2The 6-12 strain;
Iii) taro and root are imbedded in the mud, allowed bud or overground part basset, and water suitable water according to the water content of handled refuse;
Iv), pulverized the sieve in 2-10mm aperture with drying or dry after the overground part results;
Potassic organic fertilizer is made in the back pack of v) sieving, and perhaps incinerates and makes the inorganic potash fertilizer of greater concn.
2, production method according to claim 1 is characterized in that this potassic organic fertilizer contains effective constituent potassium, nitrogen, phosphorus, organic matter, its organic fertilizer with the dry weight basis potassium content up to 10%, and N, P
2O
5, K
2The total content of O is higher than 15%.
3, height according to claim 1 contains potassium organic fertilizer production method, it is characterized in that described sweet potato comprises wild taro, Alocasia ordora, taro or the fragrant taro that is referred to as usually.
4,, it is characterized in that described sweet potato and Sedum alfredii Hance (Sedum alfredii H) interplanting according to the described production method of arbitrary claim among the claim 1-3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101264099A CN1300066C (en) | 2005-12-08 | 2005-12-08 | Process for producing organic potassium manure by plant planted on solid waste |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101264099A CN1300066C (en) | 2005-12-08 | 2005-12-08 | Process for producing organic potassium manure by plant planted on solid waste |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1793069A true CN1793069A (en) | 2006-06-28 |
| CN1300066C CN1300066C (en) | 2007-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101264099A Expired - Fee Related CN1300066C (en) | 2005-12-08 | 2005-12-08 | Process for producing organic potassium manure by plant planted on solid waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409472A (en) * | 2018-06-11 | 2018-08-17 | 凤阳县兴科农业生态发展有限公司 | A kind of herbal medicine plantation organic iron fertilizer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1308036A (en) * | 2001-02-02 | 2001-08-15 | 李伯平 | Biological organic CO2 fertilizer and its production process |
| CA2455157A1 (en) * | 2004-01-28 | 2005-07-28 | Maxime Bourgeois | Analysis of farm fertilizer |
-
2005
- 2005-12-08 CN CNB2005101264099A patent/CN1300066C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108409472A (en) * | 2018-06-11 | 2018-08-17 | 凤阳县兴科农业生态发展有限公司 | A kind of herbal medicine plantation organic iron fertilizer |
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|---|---|
| CN1300066C (en) | 2007-02-14 |
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Granted publication date: 20070214 Termination date: 20161208 |
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