CN101905981B - Method for preparing fertilizer raw material by carrying out spray drying treatment on aminoacetic acid waste liquid - Google Patents
Method for preparing fertilizer raw material by carrying out spray drying treatment on aminoacetic acid waste liquid Download PDFInfo
- Publication number
- CN101905981B CN101905981B CN2009101439208A CN200910143920A CN101905981B CN 101905981 B CN101905981 B CN 101905981B CN 2009101439208 A CN2009101439208 A CN 2009101439208A CN 200910143920 A CN200910143920 A CN 200910143920A CN 101905981 B CN101905981 B CN 101905981B
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- China
- Prior art keywords
- waste liquid
- raw material
- fertilizer raw
- add
- drying
- 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.)
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Classifications
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Abstract
The invention discloses a method for manufacturing chemical fertilizer raw material by drying and treating amino acetic acid waste liquid through guniting, and belonging to the environmental protection technical field. The method includes the following steps: A, firstly removing ammonium from the amino acetic acid waste liquid, and removing heavy metal Pb<2+>; B adding alkaline phosphorus potash fertilizer to the waste liquid, and adjusting pH value to 6.5; C, then adding humic acid raw material, adsorbent and binder, fully stirring uniformly, and obtaining a slurry; D, feeding the slurry into a dry pelletizer through a high pressure spray gun, obtaining particles with a grain size of 1mm-4mm, namely the fertilizer raw material after drying.
Description
Technical field
Belong to environmental technology field, relate to a kind of technology of recycle and regeneration of industrial effluent.
Background technology
The enterprise of domestic production Padil adopts when handling waste water more at present, the method of single-action or economic benefits and social benefits and multiple-effect evaporation, can evaporate part moisture content with this method, also can reclaim a large amount of ammonium salts, but it is thick that remaining waste water is garnet, can not handle this waste liquid again, its major ingredient in the industry at present: ammonium chloride, amino acid, urotropine, little acetic acid etc. all are the raw materials of making chemical fertilizer through these things after the removal of impurities.
Summary of the invention
The invention provides a kind of spray granulation drier that utilizes and handle the method that the Padil waste liquid is made chemical fertilizer raw material.
The present invention is achieved in that
Utilize whitewashing drying treatment Padil waste liquid to make the method for chemical fertilizer raw material, may further comprise the steps:
A, at first the Padil waste liquid is taken off ammonium, removes heavy metal Pb
2+
B, add alkaline phosphorus potash fertilizer in waste liquid, the add-on of alkaline phosphorus potash fertilizer is 1.5%～10% of a waste liquid weight, and regulating the pH value is 6.5; In the described alkaline phosphorus potash fertilizer, effective P
2O
5Content 〉=5%, K
2O content 〉=10%;
C, add former powder of humic acids and sorbent material, binding agent again, stir, obtain slip; The add-on of the former powder of described humic acids is 1%～51% of a waste liquid weight, effectively humic acids content 〉=50%; Described sorbent material, binding agent are one or more the mixture in wilkinite, attapulgite, flyash, the vermiculite power;
D, slip is sent into whitewashing drying-granulating machine through high-pressure spray gun, obtain the particulate matter that particle diameter is 1mm～4mm, be chemical fertilizer raw material after the drying.
Embodiment
Get 100 kilograms of waste liquids, at first take off ammonium, remove heavy metal Pb
2+Add alkaline phosphorus, potash fertilizer (effective P
2O
5Content 〉=5%, K
2O content 〉=10%), adjusts pH=6.5; Add humic acid powder and sorbent material, binding agent then, send into the granulation of whitewashing drying machine after the stirring, can become chemical fertilizer raw material.
Claims (1)
1. utilize whitewashing drying treatment Padil waste liquid to make the method for chemical fertilizer raw material, it is characterized in that may further comprise the steps:
A, at first the Padil waste liquid is taken off ammonium, removes heavy metal Pb
2+
B, add alkaline phosphorus potash fertilizer in waste liquid, the add-on of alkaline phosphorus potash fertilizer is 1.5%～10% of a waste liquid weight, and regulating the pH value is 6.5; In the described alkaline phosphorus potash fertilizer, effective P
2O
5Content 〉=5%, K
2O content 〉=10%;
C, add former powder of humic acids and sorbent material, binding agent again, stir, obtain slip; The add-on of the former powder of described humic acids is 1%～51% of a waste liquid weight, effectively humic acids content 〉=50%; Described sorbent material, binding agent are one or more the mixture in wilkinite, attapulgite, flyash, the vermiculite power;
D, slip is sent into whitewashing drying-granulating machine through high-pressure spray gun, obtain the particulate matter that particle diameter is 1mm～4mm, be chemical fertilizer raw material after the drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101439208A CN101905981B (en) | 2009-06-03 | 2009-06-03 | Method for preparing fertilizer raw material by carrying out spray drying treatment on aminoacetic acid waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101439208A CN101905981B (en) | 2009-06-03 | 2009-06-03 | Method for preparing fertilizer raw material by carrying out spray drying treatment on aminoacetic acid waste liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101905981A CN101905981A (en) | 2010-12-08 |
| CN101905981B true CN101905981B (en) | 2013-07-31 |
Family
ID=43261596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101439208A Active CN101905981B (en) | 2009-06-03 | 2009-06-03 | Method for preparing fertilizer raw material by carrying out spray drying treatment on aminoacetic acid waste liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101905981B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK2690080T3 (en) * | 2012-07-27 | 2020-04-20 | Fertiberia S A | Fertilizers enriched with a humus-enzymatic solution rich in phosphatase enzymes and processes for their preparation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123784A (en) * | 1995-12-19 | 1996-06-05 | 杜昆三 | Activated compound fertilizer and its process |
| CN101007669A (en) * | 2006-01-26 | 2007-08-01 | 刘长飞 | Integral utilization for glycine dual-purpose (or multi-effect) evaporated deammoniation of waste water |
| CN101209939A (en) * | 2007-12-25 | 2008-07-02 | 刘长飞 | Method for preparing fertilizer raw material by using white fertilizer to process glycin waste water |
| CN101244954A (en) * | 2008-04-08 | 2008-08-20 | 刘长飞 | Method for manufacturing chemical fertilizer raw material by using hollow blade drier to process collagen sugar wastewater |
-
2009
- 2009-06-03 CN CN2009101439208A patent/CN101905981B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1123784A (en) * | 1995-12-19 | 1996-06-05 | 杜昆三 | Activated compound fertilizer and its process |
| CN101007669A (en) * | 2006-01-26 | 2007-08-01 | 刘长飞 | Integral utilization for glycine dual-purpose (or multi-effect) evaporated deammoniation of waste water |
| CN101209939A (en) * | 2007-12-25 | 2008-07-02 | 刘长飞 | Method for preparing fertilizer raw material by using white fertilizer to process glycin waste water |
| CN101244954A (en) * | 2008-04-08 | 2008-08-20 | 刘长飞 | Method for manufacturing chemical fertilizer raw material by using hollow blade drier to process collagen sugar wastewater |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101905981A (en) | 2010-12-08 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Ma Wencan Document name: Notification of Patent Invention Entering into Substantive Examination Stage |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: MA WENCAN Effective date: 20140416 Owner name: HEBEI DONGHUA JIHENG CHEMICAL CO., LTD. Free format text: FORMER OWNER: MA WENCAN Effective date: 20140416 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 050020 SHIJIAZHUANG, HEBEI PROVINCE TO: 053400 HENGSHUI, HEBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140416 Address after: 053400 Hengshui City, Hebei province Wuyi County Ji Heng Lu No. 10 Patentee after: Hebei Donghua Jiheng Chemical Co., Ltd. Patentee after: Ma Wencan Address before: 050020, 7 Taihang street, Shijiazhuang village, Yuhua District, Hebei, China Patentee before: Ma Wencan |