CN101993312A - Resource utilization of coal-fired flue gas desulfurization waste - Google Patents

Resource utilization of coal-fired flue gas desulfurization waste Download PDF

Info

Publication number
CN101993312A
CN101993312A CN2009100917344A CN200910091734A CN101993312A CN 101993312 A CN101993312 A CN 101993312A CN 2009100917344 A CN2009100917344 A CN 2009100917344A CN 200910091734 A CN200910091734 A CN 200910091734A CN 101993312 A CN101993312 A CN 101993312A
Authority
CN
China
Prior art keywords
saline
soil
coal
desulfurization waste
alkali
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2009100917344A
Other languages
Chinese (zh)
Inventor
包经珊
牛丽
邢晓东
朱正红
步颜萍
朱建立
蒙军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
Original Assignee
Petrochina Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Petrochina Co Ltd filed Critical Petrochina Co Ltd
Priority to CN2009100917344A priority Critical patent/CN101993312A/en
Publication of CN101993312A publication Critical patent/CN101993312A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fertilizers (AREA)

Abstract

The invention relates to resource application of coal-fired flue gas desulfurization waste in saline-alkali farmland improvement and crop growth fertilizer of the saline-alkali farmland; a fertilizer for improving the saline-alkali soil and growing crops in the saline-alkali soil; the composition is prepared and used according to the following components in percentage by weight: monoammonium phosphate, measured at 1000 Kg: 208Kg, differentiated coal: 50Kg, urea: 435Kg, potassium sulfate: 100Kg, bentonite: 157Kg and coal fired flue gas desulfurization waste: 50 Kg; the special fertilizer for applying the saline-alkali soil into the plough layer (0-20 cm) has an obvious effect on the physicochemical properties of the saline-alkali soil, the pH value is reduced, the total salt content is reduced, the soil alkalization degree (ESP) is reduced, the organic matter of the soil is increased, the ventilation and water permeability of the saline-alkali soil are improved, the hardened structure of the saline-alkali soil is improved, the soil fertility is improved, and the yield and the quality of crops planted in the saline-alkali soil can be improved.

Description

A kind of flue gas desulfurization waste of fire coal resource utilization is used
Technical field
The present invention relates to the resource utilization of a kind of flue gas desulfurization waste of fire coal in improvement and salinization arable land crop growth fertilizer are ploughed in salinization uses.
Background technology
The domestic different methods research manufacturing fertilizer dedicated to alkaline land material of taking, the saltings gypsum improvement that Shandong Agricultural University and cartel are developed is fertile to be main raw material with the gypsum, add multiple high-tech biotechnological formulation, alkalization of soils degree after the improvement, pH value obviously reduce, soil aggregate is reasonable, and plant nutrition can be provided, improve crop quality.Some area is main raw material with the gypsum, add the high-quality organic matter,, make the scientific and reasonable ratio proportioning of gypsum and organic raw material by adopting the biological organic fertilizer technology of present comparative maturity, again through high-quality, preferably, bacteria agent fermentation efficiently, it is special-purpose fertile to form soil improvement.Some areas as carrier, produce compound fertilizer special with humic acid material, for the physico-chemical property of saline-alkali soil effect are significantly arranged.The Heilongjiang Province develops a kind of Soline alkali resisting rice fertilizer, and this special use fertilizer mainly contains the effective ingredient of following weight proportion: nitrogen 10%-28%, phosphorus 5%-10%, potassium 5%-10%, sulphur 10%-25%, amino acid/11 %-5%, humic acid 1%-10%, middle micro-0%-5%.To add clay in the above-mentioned raw materials as carrier, granulation makes behind the mechanical mixing.Some area neutralizes with the alkalescence in saltings mutually with the acidity of fertilizer itself, or changes the inflexible structure in saltings with active substance, to reach the unusual effect of administering the saltings.But as the alkaline land improving active substance, development is applicable to that the compound manure prescription in saltings and production technique thereof do not see that as yet report is arranged with flue gas desulfurization waste of fire coal.
Summary of the invention
The purpose of this invention is to provide a kind of saltings composite fertilizer special that contains the desulfurization waste, a kind of improvement in salinization arable land and fertilizer of salinization arable land crop growth of being used for.By this approach, make that flue gas desulfurization waste of fire coal obtains reasonable use in the production of synthetic ammonia, solve the recycling problem of desulfurization waste.
This saltings composite fertilizer special is formulated by weight proportion by following ingredients: A: urea soln B: monoammonium phosphate C: vitriolate of tartar D: flue gas desulfurization waste of fire coal E: differentiation coal F: wilkinite.The specific complex fertilizer formula: by 1000Kg, monoammonium phosphate: 208Kg breaks up coal: 50Kg urea: the 435Kg vitriolate of tartar: the 100Kg wilkinite: 157Kg flue gas desulfurization waste of fire coal: 50Kg.
In the above-mentioned raw materials with monoammonium phosphate as chemically acid fertilizer, with vitriolate of tartar as physiological acidic fertilizer, with flue gas desulfurization waste of fire coal and humatite weathered coal as the alkaline land improving active substance,, make as the nutrient carrier with inorganic mineral wilkinite and humatite weathered coal with urea soln whitewashing rotary drum prilling process technology.
The desulfurization waste has the function and the effect in improvement saltings, has the function of regulating soil pH value, the structure of improving the soil, improving plant recovery of nutrient, can provide micronutrient element in sulphur, calcium, the silicon etc. for farm crop simultaneously.Utilize the desulfurization waste to produce fertilizer dedicated to alkaline land, can turn waste into wealth, resource is fully used, environment improves and purify.By in composite fertilizer, adding the desulfurization waste, improve the ventilating permeable of salt affected soil, improve the salt affected soil fertility level.The saltings compound fertilizer special is by the reasonable raw material prescription and take advanced Technology, has following advantage and characteristics:
1, the recycling of waste: Ningxia autonomous region and neighbouring province Inner Mongolia Autonomous Region thereof have abundant weathered coal resource, utilize flue gas desulfurization waste of fire coal and depleted weathered coal resource to produce the fertilizer dedicated to alkaline land material, can turn waste into wealth, resource rationally be utilized, environment improves and purify.
2, organic-inorganic combines: the desulfurization waste has the function and the effect of improvement alkaline soil, its principle is that calcium sulfate contained in the desulfurization waste is with the sodium particle in the calcium particle displacement soil colloid, the sodium particle of replacing is with pouring water or rainwater is got rid of, thereby reduced salt affected soil pH value and basicity; The humatite weathered coal is rich in humic acid, can eliminate the toxic action of salt, fertilizing soil.Humic acid is a weak organic acid, can form a buffering system with salt, has the function of adjusting and stable soil pH value.Desulfurization waste and weathered coal compounding application can be got rid of saline and alkaline, can improve the soil effectively again physicochemical property, fertilizing soil all have improved effect for alkaline earth and solonchak, and the two compounding application is better than using the salt affected soil improved effect separately.
3, to the influence of Soil structure: the salt affected soil structure deteriorate, ventilating permeable is poor, physical property deterioration.The contained calcareous nutriment of desulfurization waste has vital role in soil structure improved addictive, breaking up humic acid contained in the coal simultaneously can increase the content of the soil organism, improve the soil water-reataining fertilizer-keeping ability, help the formation of soil aggregate, the two combination of weathered coal and desulfurization waste is used, for the structure of improving salt affected soil and ventilating permeable better effects if.
4, improve nutrient availability: the humatite weathered coal can promote the activity of soil microorganisms, improve the activity of soil plurality of enzymes and the validity of phosphorus element, can also increase the solvability of calcium sulfate in the soil solution in the desulfurization waste, promote the exchange of sodium particle in calcium particle and the alkaline soil, help crop nutrient absorbing utilizations such as phosphorus, sulphur, calcium.
5, improve crop yield, improve the quality of agricultural-food: this saltings composite fertilizer is except that containing N, P, K plant nutrition three elements, simultaneously contained desulfurization waste can provide micronutrient element in sulphur, calcium, the silicon etc. for crop, contained weathered coal can provide a considerable amount of middle amounts, micronutrient element, can improve the salt affected soil fertility level comprehensively, thereby the quality of crop yield and agricultural-food is produced desirable influence.
6, improved the slow-releasing and the utilization ratio of fertilizer product nutrient: the main component calcium sulfate in the desulfurization waste is slightly soluble in water, can increase the granule strength of product, slow down the disintegration rate of product particle, the contained adsorbable guarantor of humic acid of weathered coal holds multiple nutrient simultaneously, prevent nutrient loss such as nitrogen, the plant recovery of nutrient of fertilizer product is improved.
Using fertilizer dedicated to alkaline land applies topsoil (0~20cm) physico-chemical property for saline-alkali soil has positive effect, the pH value reduces, total salt quantity reduces, alkalization of soils degree (ESP) descends, the soil organism increases to some extent, improves the ventilating permeable of salt affected soil, the improvement salt affected soil structure that hardens, increase soil fertility, can improve the yield and quality of saltings kind plant.
Embodiment
A: urea soln (containing N 46%) B: monoammonium phosphate (contains N 10%, P 2O 548%) C: vitriolate of tartar (contains K 2O 50%) D: flue gas desulfurization waste of fire coal E: weathered coal F: wilkinite.
Saltings composite fertilizer special total nutrient content 35% (contains N 20%, P 2O 510%, K 2O 5%);
Saltings specific complex fertilizer formula: by 1000Kg, monoammonium phosphate: 208Kg, differentiation coal: 50Kg, urea: 435Kg, vitriolate of tartar: 100Kg, wilkinite: 157Kg and flue gas desulfurization waste of fire coal: 50Kg.

Claims (1)

1. a flue gas desulfurization waste of fire coal resource utilization is used, and it is characterized in that: be used for the improvement in salinization arable land and the compound manure of salinization arable land crop growth; Use by following composition and part by weight preparation: by 1000Kg, monoammonium phosphate: 208Kg, weathered coal: 50Kg, urea: 435Kg, vitriolate of tartar: 100Kg, wilkinite: 157Kg and flue gas desulfurization waste of fire coal: 50Kg.
CN2009100917344A 2009-08-24 2009-08-24 Resource utilization of coal-fired flue gas desulfurization waste Pending CN101993312A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100917344A CN101993312A (en) 2009-08-24 2009-08-24 Resource utilization of coal-fired flue gas desulfurization waste

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100917344A CN101993312A (en) 2009-08-24 2009-08-24 Resource utilization of coal-fired flue gas desulfurization waste

Publications (1)

Publication Number Publication Date
CN101993312A true CN101993312A (en) 2011-03-30

Family

ID=43784137

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009100917344A Pending CN101993312A (en) 2009-08-24 2009-08-24 Resource utilization of coal-fired flue gas desulfurization waste

Country Status (1)

Country Link
CN (1) CN101993312A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102674950A (en) * 2012-04-16 2012-09-19 江苏稼宝肥业有限公司 Formula and preparation method of slow release fertilizer special for coastal wetlands
CN103283338A (en) * 2013-07-03 2013-09-11 张维 Method for planting paddy rice on saline-alkali soil
CN104250176A (en) * 2013-06-28 2014-12-31 中国石油天然气股份有限公司 Method for improving sand blown soil by using multi-element compound fertilizer
CN106187594A (en) * 2016-07-12 2016-12-07 山东胜伟园林科技有限公司 A kind of based on gardens desulfurated plaster changing alkali and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5874781A (en) * 1982-10-04 1983-05-06 Mitsubishi Chem Ind Ltd Soil conditioner
CN101456765A (en) * 2007-12-12 2009-06-17 中国石油天然气股份有限公司 Special compound fertilizer for saline-alkali soil improvement
CN101503327A (en) * 2009-03-03 2009-08-12 宁夏大学 Special improver for alkaline soil alkalinity reducing salt-restricting sunflower and method of processing the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5874781A (en) * 1982-10-04 1983-05-06 Mitsubishi Chem Ind Ltd Soil conditioner
CN101456765A (en) * 2007-12-12 2009-06-17 中国石油天然气股份有限公司 Special compound fertilizer for saline-alkali soil improvement
CN101503327A (en) * 2009-03-03 2009-08-12 宁夏大学 Special improver for alkaline soil alkalinity reducing salt-restricting sunflower and method of processing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陈欢等: ""烟气脱硫废弃物在碱化土壤改良中的应用及效果"", 《干旱地区农业研究》 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102674950A (en) * 2012-04-16 2012-09-19 江苏稼宝肥业有限公司 Formula and preparation method of slow release fertilizer special for coastal wetlands
CN104250176A (en) * 2013-06-28 2014-12-31 中国石油天然气股份有限公司 Method for improving sand blown soil by using multi-element compound fertilizer
CN104250176B (en) * 2013-06-28 2016-08-10 中国石油天然气股份有限公司 Method for improving sand blown soil by using multi-element compound fertilizer
CN103283338A (en) * 2013-07-03 2013-09-11 张维 Method for planting paddy rice on saline-alkali soil
CN103283338B (en) * 2013-07-03 2016-08-24 张维 A kind of method of salt-soda soil rice cultivation
CN106187594A (en) * 2016-07-12 2016-12-07 山东胜伟园林科技有限公司 A kind of based on gardens desulfurated plaster changing alkali and preparation method thereof

Similar Documents

Publication Publication Date Title
CN104788265B (en) Salt-soda soil biological modification fertilizer and its preparation based on high sulfur coal gangue
CN101831305B (en) Soda type saline-alkali soil modifier and preparation method thereof
CN100443563C (en) Nutritive soil improver special for salt alkali land and its processing method
CN104610974B (en) A kind of soil conditioner of saline-alkaline soil preparation method
CN110547065B (en) Method for improving saline-alkali soil by using composite waste
CN104045492B (en) Salt affected soil improvement is slow-release fertilizer dedicated and preparation method thereof
CN104355943A (en) Special saline-alkali-soil improvement fertilizer prepared by modification with flue gas desulfurization gypsum and preparation method thereof
CN104262046A (en) Fertilizer for saline-alkali soil and preparation method of fertilizer
CN105693425A (en) Fertilizer applicable to saline-alkali soil and preparation method thereof
CN104591897A (en) Special humic acid-containing organic-inorganic compound fertilizer for young tea plants and preparation and processing methods thereof
CN104692938A (en) Fertilizer applied to saline-alkali soil beet and preparation method of fertilizer
CN101081983B (en) Composite degradable soil nutrition amendment and preparation method thereof
CN103265370A (en) Saline-alkali soil fertilizer
CN105367164A (en) Ecological organic biofertilizer and its preparation method and use
CN103819284A (en) Composite agricultural fertilizer and preparation method thereof
CN105111021A (en) Special rice fertilizer with both soil improvement and fertilizer efficiency functions for coastal saline soil and preparation method and application of special rice fertilizer
CN103319278B (en) Multifunctional pesticide fertilizer and production method thereof
CN110437844A (en) A kind of preparation of saline-alkali land soil conditioner and method of administration
CN105481555A (en) Biological organic-inorganic loss-controlled fertilizer with core-shell structure
CN102531758A (en) Organic-inorganic sustained-release compound fertilizer applied at one time, and production method thereof
CN102372527A (en) Si-Ca-Zn-S-Mg fertilizer
CN101724406A (en) Secondary salinization soil medlar special modifier and method for processing same
CN102746071B (en) Fertilizer for corns in saline-alkali soil and application thereof
CN101993312A (en) Resource utilization of coal-fired flue gas desulfurization waste
CN106380346A (en) Selenium-rich organic water soluble fertilizer and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20110330