JPS61230799A - 汚泥の脱水方法 - Google Patents

Info

Publication number

JPS61230799A

JPS61230799A JP60069122A JP6912285A JPS61230799A JP S61230799 A JPS61230799 A JP S61230799A JP 60069122 A JP60069122 A JP 60069122A JP 6912285 A JP6912285 A JP 6912285A JP S61230799 A JPS61230799 A JP S61230799A

Authority

JP

Japan

Prior art keywords

sludge

anionic polymer

polymer flocculant

sodium alginate

added

Prior art date

1985-04-03

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.)

Granted

Links

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• 239000010802 sludge Substances 0.000 title claims abstract description 34
• 238000000034 method Methods 0.000 title claims description 25
• 229920006318 anionic polymer Polymers 0.000 claims abstract description 25
• IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 15
• 235000010413 sodium alginate Nutrition 0.000 claims abstract description 15
• 229940005550 sodium alginate Drugs 0.000 claims abstract description 15
• 239000000661 sodium alginate Substances 0.000 claims abstract description 15
• 238000011282 treatment Methods 0.000 claims abstract description 15
• 239000000203 mixture Substances 0.000 claims abstract description 14
• 239000000126 substance Substances 0.000 claims abstract description 12
• 229920006317 cationic polymer Polymers 0.000 claims abstract description 11
• 229920002401 polyacrylamide Polymers 0.000 abstract description 7
• 229920001577 copolymer Polymers 0.000 abstract description 3
• 238000011221 initial treatment Methods 0.000 abstract description 2
• 229940047670 sodium acrylate Drugs 0.000 abstract description 2
• 239000000413 hydrolysate Substances 0.000 abstract 1
• 230000018044 dehydration Effects 0.000 description 12
• 238000006297 dehydration reaction Methods 0.000 description 12
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
• 239000002245 particle Substances 0.000 description 4
• 238000006243 chemical reaction Methods 0.000 description 3
• 230000000694 effects Effects 0.000 description 3
• 239000004744 fabric Substances 0.000 description 3
• 239000008394 flocculating agent Substances 0.000 description 3
• 229920001519 homopolymer Polymers 0.000 description 3
• JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 2
• 238000007796 conventional method Methods 0.000 description 2
• 229910052751 metal Inorganic materials 0.000 description 2
• 239000002184 metal Substances 0.000 description 2
• 239000000047 product Substances 0.000 description 2
• 239000010865 sewage Substances 0.000 description 2
• PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 1
• DPBJAVGHACCNRL-UHFFFAOYSA-N 2-(dimethylamino)ethyl prop-2-enoate Chemical compound CN(C)CCOC(=O)C=C DPBJAVGHACCNRL-UHFFFAOYSA-N 0.000 description 1
• HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
• 229920001661 Chitosan Polymers 0.000 description 1
• 239000004952 Polyamide Substances 0.000 description 1
• 229920002873 Polyethylenimine Polymers 0.000 description 1
• USNWAMPROKAEIT-UHFFFAOYSA-N [Na].C(C=C)(=O)O Chemical compound [Na].C(C=C)(=O)O USNWAMPROKAEIT-UHFFFAOYSA-N 0.000 description 1
• 230000002776 aggregation Effects 0.000 description 1
• 238000004220 aggregation Methods 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 229910052793 cadmium Inorganic materials 0.000 description 1
• 230000006835 compression Effects 0.000 description 1
• 238000007906 compression Methods 0.000 description 1
• 239000012043 crude product Substances 0.000 description 1
• GQOKIYDTHHZSCJ-UHFFFAOYSA-M dimethyl-bis(prop-2-enyl)azanium;chloride Chemical compound [Cl-].C=CC[N+](C)(C)CC=C GQOKIYDTHHZSCJ-UHFFFAOYSA-M 0.000 description 1
• DJLHXXNSHHGFLB-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate;n-methylmethanamine Chemical compound CNC.CCOC(=O)C(C)=C DJLHXXNSHHGFLB-UHFFFAOYSA-N 0.000 description 1
• 239000000835 fiber Substances 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 238000005189 flocculation Methods 0.000 description 1
• 230000016615 flocculation Effects 0.000 description 1
• 239000010800 human waste Substances 0.000 description 1
• 230000007062 hydrolysis Effects 0.000 description 1
• 238000006460 hydrolysis reaction Methods 0.000 description 1
• 239000010842 industrial wastewater Substances 0.000 description 1
• 229910052745 lead Inorganic materials 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 238000012423 maintenance Methods 0.000 description 1
• 229920002647 polyamide Polymers 0.000 description 1
• 239000000843 powder Substances 0.000 description 1
• 238000005956 quaternization reaction Methods 0.000 description 1
• 238000000926 separation method Methods 0.000 description 1
• 239000007787 solid Substances 0.000 description 1
• 238000003756 stirring Methods 0.000 description 1
• 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
• 229920002554 vinyl polymer Polymers 0.000 description 1
• 229910052725 zinc Inorganic materials 0.000 description 1