CN1724340A - Process for comprehensive using waste water of phosphatic fertilize and phosphorous chemical industrial - Google Patents
Process for comprehensive using waste water of phosphatic fertilize and phosphorous chemical industrial Download PDFInfo
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- CN1724340A CN1724340A CN 200510003102 CN200510003102A CN1724340A CN 1724340 A CN1724340 A CN 1724340A CN 200510003102 CN200510003102 CN 200510003102 CN 200510003102 A CN200510003102 A CN 200510003102A CN 1724340 A CN1724340 A CN 1724340A
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Abstract
A process for comprehensive utilization of the acidic sewage generated by preparing P fertilizer and P chemicals includes such steps as pulverizing or grinding phosphorus ore, adding clean water, stirring, adding it to acidic sewage, stirring, regulating pH=3-5, floatation while adding floating capture, filling air and removing foam to obtain P ore concentrate.
Description
Technical field
The present invention relates to the processing and the utilization of waste water, particularly the acid waste water that produces in phosphate fertilizer and the phosphorous chemical industry trade effluent production process utilizes method.
Background technology
In the production process of phosphate fertilizer and phosphorous chemical industry, can produce a large amount of acid waste water, mainly contain the waste water of the waste water that produces when producing sulfuric acid, the waste water that produces when producing phosphoric acid, generation when aluminum fluoride is produced etc., wherein contain fluorochemical, phosphoric acid, phosphoric acid salt, sulfuric acid and suspended substance.In order to protect environment, these acid waste waters must can discharge after up to standard through handling.Adopt at present usually milk of lime classification neutral technology to handle this waste water, make the waste water after the processing reach the index that allows discharging.In recent years, people have some improvement to process for treating acidic sewage, for example Chinese patent application No. 99102065.0 " wastewater treatment method that contains phosphate ion ", No. 01138004.7 " treating method for high fluorice acid waste water ", No. 200410009462.6 " application of a kind of phosphorus-contained wastewater treating method and recovery phosphorus product thereof " etc.But can these waste water treatment process realize the industrial applications research of still needing; Even if can realize industrialization, need certain processing cost after all, also can cause environmental pollution because of misoperation.
The normally used basic raw material of the production of phosphate fertilizer and phosphorous chemical industry is a Rock Phosphate (72Min BPL), and the Rock Phosphate (72Min BPL) that has need could use by ore dressing.By retrieval, the patent application relevant with phosphate rock floating is totally 11.But still do not have the patent application that the pH value of utilizing phosphate fertilizer and phosphorous chemical industry trade effluent to substitute the ore dressing of carbonate containing Rock Phosphate (72Min BPL) reverse floatation process is adjusted agent up to now, do not have relevant report yet.
Summary of the invention
Purpose of the present invention just provides a kind of method that fully utilizes phosphate fertilizer and phosphorous chemical industry industrial acidic wastewater, and this method is that the pH value of utilizing phosphate fertilizer and phosphorous chemical industry industrial acidic wastewater to substitute the ore dressing of carbonate containing Rock Phosphate (72Min BPL) reverse floatation process is adjusted agent, produces the phosphorus concentrate.
For achieving the above object, the method that the contriver provides may further comprise the steps:
(1) Rock Phosphate (72Min BPL) is pulverized or is ground to mineral monomer dissociates, add clear water and stir the furnishing ore pulp;
(2) add acid waste water in proportion, fully stir, adjusting slurry pH is 3～5;
(3) ore pulp that mixes up enters flotation machine, adds flotation collector simultaneously, inflates, scrapes and finish completely, can obtain the phosphorus concentrate.
In the first step of aforesaid method, described Rock Phosphate (72Min BPL) is the carbonate type Rock Phosphate (72Min BPL), and promptly the main gangue in the Rock Phosphate (72Min BPL) is a carbonate minerals, and the massfraction that wherein contains MgO is 1%～15%; Adding the made ore pulp mine-containing amount of clear water is 40% ± 15%;
In second step of aforesaid method, the ratio that institute adds acid waste water is to determine according to the carbonate content in the Rock Phosphate (72Min BPL), and common acid waste water: the ratio of raw ore is 0.2～0.7: 1;
In the 3rd step of aforesaid method, described beneficiated phosphate ore method is with reverse floatation process expelling carbonate impurity.
Guarantee that it is the carbonate type beneficiated phosphate ore factory of having and adopting reverse floatation process in phosphate fertilizer and phosphorous chemical industry industrial enterprise inside or peripheral 100 kilometer range that present method has the exploitativeness necessary precondition.
Use the inventive method, not only can guarantee the Rock Phosphate (72Min BPL) quality product, save the expense of adjusting agent and water in the ore dressing production, the processing costs of saving a large amount of acid waste water simultaneously is for enterprise brings considerable having an economic benefit.Compared with the prior art, use this method to handle every 1t carbonate containing Rock Phosphate (72Min BPL), keeping or be better than under the prerequisite of original every quality index, at least can utilize acid waste water 0.5t, save former with pH value adjustment agent 12kg, save ore dressing water of productive use 0.5t, add up to and handle every 1t carbonate containing Rock Phosphate (72Min BPL) 12 yuan/t that reduces expenses, every year can be reduced expenses 3,000 ten thousand yuan by an ore dressing enterprise that handles raw ore scale 2500kt/a.
The method of utilizing of acid waste water of the present invention is applicable to the wastewater treatment of phosphate fertilizer and phosphorous chemical industry enterprise, is particularly useful for the wastewater treatment and the utilization of high-concentration phosphate compound fertilizers manufacturing enterprise.
Embodiment
Implement 1: carry out the lower Rock Phosphate (72Min BPL) of manipulation carbonate containing by following step:
(1) will contain MgO is that the carbonate type Rock Phosphate (72Min BPL) of 3% (massfraction) is pulverized or is ground to mineral monomer and dissociates, and adds clear water and stirs and transfer to mine-containing amount 40%;
(2) in acid waste water: raw ore is that 0.5: 1 ratio adds, and fully stirs, and adjusting slurry pH is 3～5.
(3) ore pulp that mixes up enters flotation machine, adds flotation collector simultaneously, inflates, scrapes and finish completely, and can obtain MgO content is the phosphorus concentrate of 0.5% (massfraction), and the phosphorus concentrate in the useful composition rate of recovery reach more than 94%.
Implement 2: carry out the higher Rock Phosphate (72Min BPL) of manipulation carbonate containing by following step:
(2) will contain MgO is that the carbonate type Rock Phosphate (72Min BPL) of 8% (massfraction) is pulverized or is ground to mineral monomer and dissociates, and adds clear water and stirs and transfer to mine-containing amount 40%;
(2) in acid waste water: raw ore is that 0.7: 1 ratio adds, and fully stirs, and adjusting slurry pH is 3～5.
(3) ore pulp that mixes up enters flotation machine, adds flotation collector simultaneously, inflates, scrapes and finish completely, and can obtain MgO content is the phosphorus concentrate of 0.5% (massfraction), and the phosphorus concentrate in the useful composition rate of recovery reach more than 91%.
Claims (4)
1 one kinds of methods that fully utilize phosphate fertilizer and phosphorous chemical industry trade effluent is characterized in that utilizing the pH value of the alternative beneficiated phosphate ore of this acid waste water to adjust agent, and this Technology comprises:
(1) Rock Phosphate (72Min BPL) is pulverized or is ground to mineral monomer dissociates, add clear water and stir the furnishing ore pulp;
(2) add acid waste water in proportion, fully stir, adjusting slurry pH is 3～5;
(3) ore pulp that mixes up enters flotation machine, adds flotation collector simultaneously, inflates, scrapes and finish completely, can obtain the phosphorus concentrate.
The method of 2 comprehensive utilization phosphate fertilizer as claimed in claim 1 and phosphorous chemical industry trade effluent, it is characterized in that in the first step of described method, described Rock Phosphate (72Min BPL) is the carbonate type Rock Phosphate (72Min BPL), and promptly the main gangue in the Rock Phosphate (72Min BPL) is a carbonate minerals, and the massfraction that wherein contains MgO is 1%～15%; Adding the made ore pulp mine-containing amount of clear water is 40% ± 15%.
The method of 3 comprehensive utilization phosphate fertilizer as claimed in claim 1 and phosphorous chemical industry trade effluent, it is characterized in that in second step of described method, add acid waste water ratio be to determine according to the carbonate content in the Rock Phosphate (72Min BPL), acid waste water usually: the ratio of raw ore is 0.2～0.7: 1.
The method of 4 comprehensive utilization phosphate fertilizer as claimed in claim 1 and phosphorous chemical industry trade effluent is characterized in that in the 3rd step of described method that the beneficiated phosphate ore method is with reverse floatation process expelling carbonate impurity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510003102XA CN1308227C (en) | 2005-06-08 | 2005-06-08 | Process for comprehensive using waste water of phosphatic fertilize and phosphorous chemical industrial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200510003102XA CN1308227C (en) | 2005-06-08 | 2005-06-08 | Process for comprehensive using waste water of phosphatic fertilize and phosphorous chemical industrial |
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| Publication Number | Publication Date |
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| CN1724340A true CN1724340A (en) | 2006-01-25 |
| CN1308227C CN1308227C (en) | 2007-04-04 |
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| CNB200510003102XA Active CN1308227C (en) | 2005-06-08 | 2005-06-08 | Process for comprehensive using waste water of phosphatic fertilize and phosphorous chemical industrial |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166541A (en) * | 2010-12-07 | 2011-08-31 | 昆明川金诺化工有限公司 | Method for selecting phosphate ore by fluosilicic acid |
| CN102838097A (en) * | 2012-09-13 | 2012-12-26 | 瓮福（集团）有限责任公司 | Method for removing magnesium oxide in phosphate concentrate through phosphatic fertilizer and phosphorus chemical industry acid wastewater |
| CN103949150A (en) * | 2014-03-14 | 2014-07-30 | 云南磷化集团有限公司 | Method using catalytic oxidation of sulfur dioxide tail gas for PH adjustment agent of phosphate rock ore dressing |
| CN105461037A (en) * | 2015-12-08 | 2016-04-06 | 昆明川金诺化工股份有限公司 | Method for treating acid waste water in phosphorus chemical industry through reverse flotation tailing slurry of phosphorus ore |
| CN106622673A (en) * | 2016-12-29 | 2017-05-10 | 云南磷化集团有限公司 | Wet-process sludge phosphoric acid used as pH regulator in reverse flotation of phosphorite |
| CN106694234A (en) * | 2016-12-29 | 2017-05-24 | 云南磷化集团有限公司 | Process employing phosphogypsum residue field backwater as pH regulator in reverse flotation of phosphorite |
| CN107055495A (en) * | 2017-04-25 | 2017-08-18 | 贵州芭田生态工程有限公司 | A kind of acid phosphorus-containing wastewater is used for the method for phosphorus ore de-magging |
| CN109455684A (en) * | 2018-12-12 | 2019-03-12 | 贵州芭田生态工程有限公司 | Utilize the method for the thick calcium nitrate preparation phosphorus concentrate of nitrophosphate fertilizer by-product |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW455569B (en) * | 1998-03-06 | 2001-09-21 | Sanyo Electric Co | A method for treating waste water with phosphate ions |
-
2005
- 2005-06-08 CN CNB200510003102XA patent/CN1308227C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102166541A (en) * | 2010-12-07 | 2011-08-31 | 昆明川金诺化工有限公司 | Method for selecting phosphate ore by fluosilicic acid |
| CN102838097A (en) * | 2012-09-13 | 2012-12-26 | 瓮福（集团）有限责任公司 | Method for removing magnesium oxide in phosphate concentrate through phosphatic fertilizer and phosphorus chemical industry acid wastewater |
| CN103949150A (en) * | 2014-03-14 | 2014-07-30 | 云南磷化集团有限公司 | Method using catalytic oxidation of sulfur dioxide tail gas for PH adjustment agent of phosphate rock ore dressing |
| CN103949150B (en) * | 2014-03-14 | 2016-06-15 | 云南磷化集团有限公司 | SO 2 tail gas catalytic oxidation is for the method for flotation of phosphate rock pH adjuster |
| CN105461037A (en) * | 2015-12-08 | 2016-04-06 | 昆明川金诺化工股份有限公司 | Method for treating acid waste water in phosphorus chemical industry through reverse flotation tailing slurry of phosphorus ore |
| CN106622673A (en) * | 2016-12-29 | 2017-05-10 | 云南磷化集团有限公司 | Wet-process sludge phosphoric acid used as pH regulator in reverse flotation of phosphorite |
| CN106694234A (en) * | 2016-12-29 | 2017-05-24 | 云南磷化集团有限公司 | Process employing phosphogypsum residue field backwater as pH regulator in reverse flotation of phosphorite |
| CN107055495A (en) * | 2017-04-25 | 2017-08-18 | 贵州芭田生态工程有限公司 | A kind of acid phosphorus-containing wastewater is used for the method for phosphorus ore de-magging |
| CN109455684A (en) * | 2018-12-12 | 2019-03-12 | 贵州芭田生态工程有限公司 | Utilize the method for the thick calcium nitrate preparation phosphorus concentrate of nitrophosphate fertilizer by-product |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1308227C (en) | 2007-04-04 |
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Owner name: WENGFU (GROUP) CO. Free format text: FORMER NAME OR ADDRESS: GUANGZHOU HONGFU INDUSTRIAL DEVELOPMENT CO., LTD. |
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Address after: No. 57, South City Road, Nanming District, Guiyang City, Guizhou Province Patentee after: Wengfu (Group) Co., Ltd. Address before: Yingbin Road, Guizhou province Fuquan Racecourse town No. 1 Hongfu living area Patentee before: Hongfu Industry Development Gen. Co., Ltd., Guizhou |