CA2304239A1 - Additif pour sols - Google Patents
Additif pour sols Download PDFInfo
- Publication number
- CA2304239A1 CA2304239A1 CA002304239A CA2304239A CA2304239A1 CA 2304239 A1 CA2304239 A1 CA 2304239A1 CA 002304239 A CA002304239 A CA 002304239A CA 2304239 A CA2304239 A CA 2304239A CA 2304239 A1 CA2304239 A1 CA 2304239A1
- Authority
- CA
- Canada
- Prior art keywords
- super absorbent
- additive
- polymer
- absorbent polymer
- growth
- 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.)
- Abandoned
Links
- 239000002689 soil Substances 0.000 title claims abstract description 102
- 239000000654 additive Substances 0.000 title claims abstract description 100
- 230000000996 additive effect Effects 0.000 title claims abstract description 90
- 229920000247 superabsorbent polymer Polymers 0.000 claims abstract description 212
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 94
- 229920000642 polymer Polymers 0.000 claims description 44
- 239000000203 mixture Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 34
- 238000011282 treatment Methods 0.000 claims description 34
- 239000004202 carbamide Substances 0.000 claims description 31
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 31
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 27
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 26
- 238000010521 absorption reaction Methods 0.000 claims description 23
- 150000003839 salts Chemical class 0.000 claims description 22
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 20
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical group [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 13
- 229910002651 NO3 Inorganic materials 0.000 claims description 11
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 11
- -1 ammonium ions Chemical class 0.000 claims description 11
- 230000012010 growth Effects 0.000 claims description 11
- 150000001768 cations Chemical class 0.000 claims description 10
- 239000011575 calcium Substances 0.000 claims description 9
- 150000002484 inorganic compounds Chemical class 0.000 claims description 9
- 229910010272 inorganic material Inorganic materials 0.000 claims description 9
- 239000002250 absorbent Substances 0.000 claims description 8
- 230000002745 absorbent Effects 0.000 claims description 8
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 7
- 239000011591 potassium Substances 0.000 claims description 7
- 229910052700 potassium Inorganic materials 0.000 claims description 7
- 230000001737 promoting effect Effects 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 7
- 229920006395 saturated elastomer Polymers 0.000 claims description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
- 150000001450 anions Chemical class 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 5
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 3
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 3
- 239000010452 phosphate Substances 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000000499 gel Substances 0.000 description 83
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 76
- 241000196324 Embryophyta Species 0.000 description 24
- 239000000047 product Substances 0.000 description 24
- 238000002386 leaching Methods 0.000 description 22
- 238000007792 addition Methods 0.000 description 18
- 239000003337 fertilizer Substances 0.000 description 12
- 150000002500 ions Chemical class 0.000 description 12
- 235000015097 nutrients Nutrition 0.000 description 12
- 230000008635 plant growth Effects 0.000 description 12
- 238000012360 testing method Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 8
- 239000000920 calcium hydroxide Substances 0.000 description 8
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 8
- 235000011116 calcium hydroxide Nutrition 0.000 description 8
- 238000009792 diffusion process Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 230000008961 swelling Effects 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 7
- 238000001035 drying Methods 0.000 description 7
- 239000008187 granular material Substances 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- 239000004583 superabsorbent polymers (SAPs) Substances 0.000 description 7
- 238000004132 cross linking Methods 0.000 description 6
- 239000002609 medium Substances 0.000 description 6
- 229920002401 polyacrylamide Polymers 0.000 description 6
- 125000000129 anionic group Chemical group 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000003431 cross linking reagent Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 150000002830 nitrogen compounds Chemical class 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 4
- 229910001424 calcium ion Inorganic materials 0.000 description 4
- 238000009472 formulation Methods 0.000 description 4
- 238000010348 incorporation Methods 0.000 description 4
- 239000004615 ingredient Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000004927 clay Substances 0.000 description 3
- 238000013270 controlled release Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000012467 final product Substances 0.000 description 3
- 239000000017 hydrogel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910017464 nitrogen compound Inorganic materials 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000001488 sodium phosphate Substances 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 235000007688 Lycopersicon esculentum Nutrition 0.000 description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 2
- 240000003768 Solanum lycopersicum Species 0.000 description 2
- 240000000785 Tagetes erecta Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 159000000007 calcium salts Chemical class 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 2
- 229910000397 disodium phosphate Inorganic materials 0.000 description 2
- 235000019800 disodium phosphate Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000001963 growth medium Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical compound [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 229920005614 potassium polyacrylate Polymers 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 2
- 239000010455 vermiculite Substances 0.000 description 2
- 229910052902 vermiculite Inorganic materials 0.000 description 2
- 235000019354 vermiculite Nutrition 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- 101000835996 Caenorhabditis elegans Slit homolog 1 protein Proteins 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 235000005881 Calendula officinalis Nutrition 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 239000005696 Diammonium phosphate Substances 0.000 description 1
- 235000019739 Dicalciumphosphate Nutrition 0.000 description 1
- 241000698776 Duma Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 206010021639 Incontinence Diseases 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241000736285 Sphagnum Species 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- DCPVGCYTIBNGRQ-UHFFFAOYSA-L [Mg+2].[K+].[O-][N+]([O-])=O.[O-]S([O-])(=O)=O Chemical compound [Mg+2].[K+].[O-][N+]([O-])=O.[O-]S([O-])(=O)=O DCPVGCYTIBNGRQ-UHFFFAOYSA-L 0.000 description 1
- 229920006322 acrylamide copolymer Polymers 0.000 description 1
- 150000003926 acrylamides Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical compound [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229940043430 calcium compound Drugs 0.000 description 1
- 150000001674 calcium compounds Chemical class 0.000 description 1
- YYRMJZQKEFZXMX-UHFFFAOYSA-N calcium;phosphoric acid Chemical compound [Ca+2].OP(O)(O)=O.OP(O)(O)=O YYRMJZQKEFZXMX-UHFFFAOYSA-N 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
- 235000019838 diammonium phosphate Nutrition 0.000 description 1
- NEFBYIFKOOEVPA-UHFFFAOYSA-K dicalcium phosphate Chemical compound [Ca+2].[Ca+2].[O-]P([O-])([O-])=O NEFBYIFKOOEVPA-UHFFFAOYSA-K 0.000 description 1
- 229910000390 dicalcium phosphate Inorganic materials 0.000 description 1
- 229940038472 dicalcium phosphate Drugs 0.000 description 1
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
- 229910000396 dipotassium phosphate Inorganic materials 0.000 description 1
- 235000019797 dipotassium phosphate Nutrition 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000003898 horticulture Methods 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910001629 magnesium chloride Inorganic materials 0.000 description 1
- 229960002337 magnesium chloride Drugs 0.000 description 1
- 235000011147 magnesium chloride Nutrition 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 235000021232 nutrient availability Nutrition 0.000 description 1
- 150000002897 organic nitrogen compounds Chemical class 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- MKWYFZFMAMBPQK-UHFFFAOYSA-J sodium feredetate Chemical compound [Na+].[Fe+3].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O MKWYFZFMAMBPQK-UHFFFAOYSA-J 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000004317 sodium nitrate Substances 0.000 description 1
- 235000010344 sodium nitrate Nutrition 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003335 steric effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002426 superphosphate Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 229910000391 tricalcium phosphate Inorganic materials 0.000 description 1
- 229940078499 tricalcium phosphate Drugs 0.000 description 1
- 235000019731 tricalcium phosphate Nutrition 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 239000011686 zinc sulphate Substances 0.000 description 1
- 235000009529 zinc sulphate Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/40—Fertilisers incorporated into a matrix
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/80—Soil conditioners
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Soil Sciences (AREA)
- Cultivation Of Plants (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
- Fertilizers (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB9619415.4A GB9619415D0 (en) | 1996-09-17 | 1996-09-17 | Soil additive |
| GB9619415.4 | 1996-09-17 | ||
| PCT/CA1997/000667 WO1998012154A1 (fr) | 1996-09-17 | 1997-09-15 | Additif pour sols |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2304239A1 true CA2304239A1 (fr) | 1998-03-26 |
Family
ID=10800070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002304239A Abandoned CA2304239A1 (fr) | 1996-09-17 | 1997-09-15 | Additif pour sols |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU4196797A (fr) |
| CA (1) | CA2304239A1 (fr) |
| GB (1) | GB9619415D0 (fr) |
| WO (1) | WO1998012154A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429162A (zh) * | 2015-04-06 | 2017-12-01 | Upl有限公司 | 吸水性组合物 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2265647A4 (fr) * | 2008-03-31 | 2014-11-26 | RHODIA OPéRATIONS | Compositions de polymère sensibles aux stimuli, à positionnement autonome, dans des additifs pour le sol et procédés d'utilisation |
| DE102012102957A1 (de) * | 2012-04-04 | 2013-10-10 | Dieter Wehrhahn | Substrat zur Verwendung in Böden und Verfahren zur Herstellung eines Substrates |
| EP2966974A4 (fr) | 2013-03-15 | 2017-01-18 | Adama Makhteshim Ltd | Environnement artificiel pour l'absorption efficace d'engrais et d'autres produits agrochimiques dans le sol |
| FR3016878B1 (fr) * | 2014-01-30 | 2017-07-07 | Liliz | Polymere super absorbant modifie renfermant un engrais |
| RU2651290C1 (ru) * | 2017-08-15 | 2018-04-19 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный аграрный университет имени И.Т. Трубилина" | Субстрат для выращивания плодовых саженцев |
| JP2021010303A (ja) * | 2019-07-03 | 2021-02-04 | 株式会社クラレ | 保水材 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8800578D0 (en) * | 1988-01-12 | 1988-02-10 | Fernandes P J F | Improvements relating to plant growth media |
| AT391321B (de) * | 1988-08-29 | 1990-09-25 | Chemie Linz Gmbh | Verfahren zur herstellung von fluessigkeitsabsorbierenden acrylharzen |
| WO1991011410A1 (fr) * | 1990-02-01 | 1991-08-08 | Salah Barbary | Produits permettant la culture de plantes sur tous types de sols et procedes de fabrication de tels produits |
| US5209768A (en) * | 1991-06-14 | 1993-05-11 | American Colloid Company | Method of improving sod growth |
| JP3336037B2 (ja) * | 1992-06-11 | 2002-10-21 | 三菱化学株式会社 | 土壌保水剤 |
-
1996
- 1996-09-17 GB GBGB9619415.4A patent/GB9619415D0/en active Pending
-
1997
- 1997-09-15 WO PCT/CA1997/000667 patent/WO1998012154A1/fr active Application Filing
- 1997-09-15 AU AU41967/97A patent/AU4196797A/en not_active Abandoned
- 1997-09-15 CA CA002304239A patent/CA2304239A1/fr not_active Abandoned
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107429162A (zh) * | 2015-04-06 | 2017-12-01 | Upl有限公司 | 吸水性组合物 |
| US20180305618A1 (en) * | 2015-04-06 | 2018-10-25 | Upl Limited | Water absorbent composition |
| US10781372B2 (en) * | 2015-04-06 | 2020-09-22 | Upl Limited | Water absorbent composition |
| CN107429162B (zh) * | 2015-04-06 | 2021-09-24 | Upl有限公司 | 吸水性组合物 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1998012154A1 (fr) | 1998-03-26 |
| AU4196797A (en) | 1998-04-14 |
| GB9619415D0 (en) | 1996-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chen et al. | Environmentally friendly fertilizers: A review of materials used and their effects on the environment | |
| CN107446588B (zh) | 腐殖酸型酸性土壤调理剂及其制备方法与应用 | |
| Huettermann et al. | Application of superabsorbent polymers for improving the ecological chemistry of degraded or polluted lands | |
| IL186753A (en) | Hybrid material that swells in water with inorganic additives and a process for its preparation | |
| BRPI0820184B1 (pt) | Agente de aperfeiçoamento do solo e uso do mesmo. | |
| CN1288116C (zh) | 一种保水缓释肥料 | |
| Li et al. | Lignin-based multifunctional fertilizer for immobilization of Pb (II) in contaminated soil | |
| CN103011970A (zh) | 一种具有保水保肥多功能腐植酸肥料的制造方法 | |
| Rajakumar et al. | Hydrogel: Novel soil conditioner and safer delivery vehicle for fertilizers and agrochemicals–A review | |
| Grabowska-Polanowska et al. | The benefits of synthetic or natural hydrogels application in agriculture: An overview article | |
| CA2304239A1 (fr) | Additif pour sols | |
| US4985062A (en) | Method of improving crop yield | |
| CN106749935B (zh) | 一种可降解型保水剂及其制备方法 | |
| JPH0816220B2 (ja) | 粉末顆粒状土壌改良剤及びその製造法 | |
| CN111492742B (zh) | 一种可降解一体化肥种土的治沙方法 | |
| BE501726A (fr) | ||
| CN103011972A (zh) | 一种具有缓释控失效果的增效型氮肥的制造方法 | |
| JPH10191777A (ja) | 土壌または園芸用保水剤 | |
| FR3016878A1 (fr) | Polymere super absorbant modifie renfermant un engrais | |
| WO1998049252A1 (fr) | Gel de polyacrylate destine a etre utilise dans l'horticulture | |
| CN100352845C (zh) | 植物多酚保水剂及其制备方法 | |
| Zhang et al. | Sodium alginate/sodium lignosulfonate hydrogel based on inert Ca2+ activation for water conservation and growth promotion | |
| WO1999048998A1 (fr) | PROCEDE PERMETTANT D'AUGMENTER LE pH DANS LES SOLS ACIDES | |
| JPH07277867A (ja) | 豚の屎尿の処理方法 | |
| CN114231292A (zh) | 一种膨润土基高原土壤改良剂及用途 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |