Preparation method of strontium-rich liquid fertilizer
The invention discloses a preparation method of a strontium-rich liquid chemical fertilizer. The method comprises the following steps: taking bentonite pickling wastewater containing K, Na, Ca, Mg, Fe and Sr as a raw material, firstly adding caustic soda flakes to neutralize the wastewater until the...
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| creator | ZHOU ZUO QIN ZUZENG JI HONGBING WU JING XIE XINLING SU TONGMING LUO XUAN |
| description | The invention discloses a preparation method of a strontium-rich liquid chemical fertilizer. The method comprises the following steps: taking bentonite pickling wastewater containing K, Na, Ca, Mg, Fe and Sr as a raw material, firstly adding caustic soda flakes to neutralize the wastewater until the pH value of the wastewater reaches 6.0-7.0; introducing a supernatant into areverse osmosis water treatment device, and concentrating until the concentration of K is 10.0-20.0 g/L, CaSO4 is supersaturated, the concentration of Mg is 30.0-40.0 g/L, the concentration ofFe is 0.3-1.0 g/L and the concentration of Sr is 3.0-4.0 g/L; finally, adding ammonium nitrate, potassium nitrate and calcium hypophosphite in proportion, so that the molar ratio of N to P toK in the compound fertilizer is 20: (15-5): (15-5), and the concentration of P reaches 10.0-20.0 g/L. The method has the advantages that the process is simple, and the operation is convenient; industrial wastewater is utilized, |
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The method comprises the following steps: taking bentonite pickling wastewater containing K<+>, Na<+>, Ca<2+>, Mg<2+>, Fe<3+> and Sr<2+> as a raw material, firstly adding caustic soda flakes to neutralize the wastewater until the pH value of the wastewater reaches 6.0-7.0; introducing a supernatant into areverse osmosis water treatment device, and concentrating until the concentration of K<+> is 10.0-20.0 g/L, CaSO4 is supersaturated, the concentration of Mg<2+> is 30.0-40.0 g/L, the concentration ofFe<3+> is 0.3-1.0 g/L and the concentration of Sr<2+> is 3.0-4.0 g/L; finally, adding ammonium nitrate, potassium nitrate and calcium hypophosphite in proportion, so that the molar ratio of N to P toK in the compound fertilizer is 20: (15-5): (15-5), and the concentration of P reaches 10.0-20.0 g/L. The method has the advantages that the process is simple, and the operation is convenient; industrial wastewater is utilized,]]></description><language>chi ; eng</language><subject>CHEMISTRY ; FERTILISERS ; FERTILISERS CHARACTERISED BY THEIR FORM ; MANUFACTURE THEREOF ; METALLURGY ; MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 ; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200512&DB=EPODOC&CC=CN&NR=111138227A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200512&DB=EPODOC&CC=CN&NR=111138227A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHOU ZUO</creatorcontrib><creatorcontrib>QIN ZUZENG</creatorcontrib><creatorcontrib>JI HONGBING</creatorcontrib><creatorcontrib>WU JING</creatorcontrib><creatorcontrib>XIE XINLING</creatorcontrib><creatorcontrib>SU TONGMING</creatorcontrib><creatorcontrib>LUO XUAN</creatorcontrib><title>Preparation method of strontium-rich liquid fertilizer</title><description><![CDATA[The invention discloses a preparation method of a strontium-rich liquid chemical fertilizer. The method comprises the following steps: taking bentonite pickling wastewater containing K<+>, Na<+>, Ca<2+>, Mg<2+>, Fe<3+> and Sr<2+> as a raw material, firstly adding caustic soda flakes to neutralize the wastewater until the pH value of the wastewater reaches 6.0-7.0; introducing a supernatant into areverse osmosis water treatment device, and concentrating until the concentration of K<+> is 10.0-20.0 g/L, CaSO4 is supersaturated, the concentration of Mg<2+> is 30.0-40.0 g/L, the concentration ofFe<3+> is 0.3-1.0 g/L and the concentration of Sr<2+> is 3.0-4.0 g/L; finally, adding ammonium nitrate, potassium nitrate and calcium hypophosphite in proportion, so that the molar ratio of N to P toK in the compound fertilizer is 20: (15-5): (15-5), and the concentration of P reaches 10.0-20.0 g/L. The method has the advantages that the process is simple, and the operation is convenient; industrial wastewater is utilized,]]></description><subject>CHEMISTRY</subject><subject>FERTILISERS</subject><subject>FERTILISERS CHARACTERISED BY THEIR FORM</subject><subject>MANUFACTURE THEREOF</subject><subject>METALLURGY</subject><subject>MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05</subject><subject>MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDALKEotSCxKLMnMz1PITS3JyE9RyE9TKC4pys8rySzN1S3KTM5QyMksLM1MUUhLLSrJzMmsSi3iYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GQGBsYWRk7mhMjBoA4McuHA</recordid><startdate>20200512</startdate><enddate>20200512</enddate><creator>ZHOU ZUO</creator><creator>QIN ZUZENG</creator><creator>JI HONGBING</creator><creator>WU JING</creator><creator>XIE XINLING</creator><creator>SU TONGMING</creator><creator>LUO XUAN</creator><scope>EVB</scope></search><sort><creationdate>20200512</creationdate><title>Preparation method of strontium-rich liquid fertilizer</title><author>ZHOU ZUO ; QIN ZUZENG ; JI HONGBING ; WU JING ; XIE XINLING ; SU TONGMING ; LUO XUAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN111138227A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2020</creationdate><topic>CHEMISTRY</topic><topic>FERTILISERS</topic><topic>FERTILISERS CHARACTERISED BY THEIR FORM</topic><topic>MANUFACTURE THEREOF</topic><topic>METALLURGY</topic><topic>MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05</topic><topic>MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHOU ZUO</creatorcontrib><creatorcontrib>QIN ZUZENG</creatorcontrib><creatorcontrib>JI HONGBING</creatorcontrib><creatorcontrib>WU JING</creatorcontrib><creatorcontrib>XIE XINLING</creatorcontrib><creatorcontrib>SU TONGMING</creatorcontrib><creatorcontrib>LUO XUAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHOU ZUO</au><au>QIN ZUZENG</au><au>JI HONGBING</au><au>WU JING</au><au>XIE XINLING</au><au>SU TONGMING</au><au>LUO XUAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Preparation method of strontium-rich liquid fertilizer</title><date>2020-05-12</date><risdate>2020</risdate><abstract><![CDATA[The invention discloses a preparation method of a strontium-rich liquid chemical fertilizer. The method comprises the following steps: taking bentonite pickling wastewater containing K<+>, Na<+>, Ca<2+>, Mg<2+>, Fe<3+> and Sr<2+> as a raw material, firstly adding caustic soda flakes to neutralize the wastewater until the pH value of the wastewater reaches 6.0-7.0; introducing a supernatant into areverse osmosis water treatment device, and concentrating until the concentration of K<+> is 10.0-20.0 g/L, CaSO4 is supersaturated, the concentration of Mg<2+> is 30.0-40.0 g/L, the concentration ofFe<3+> is 0.3-1.0 g/L and the concentration of Sr<2+> is 3.0-4.0 g/L; finally, adding ammonium nitrate, potassium nitrate and calcium hypophosphite in proportion, so that the molar ratio of N to P toK in the compound fertilizer is 20: (15-5): (15-5), and the concentration of P reaches 10.0-20.0 g/L. The method has the advantages that the process is simple, and the operation is convenient; industrial wastewater is utilized,]]></abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY FERTILISERS FERTILISERS CHARACTERISED BY THEIR FORM MANUFACTURE THEREOF METALLURGY MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENTSUBCLASSES OF CLASS C05 MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVINGA SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES,SOIL-CONDITIONERS, WETTING AGENTS |
| title | Preparation method of strontium-rich liquid fertilizer |
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