JPH0334397B2 - - Google Patents

Info

Publication number

JPH0334397B2

JPH0334397B2 JP58056938A JP5693883A JPH0334397B2 JP H0334397 B2 JPH0334397 B2 JP H0334397B2 JP 58056938 A JP58056938 A JP 58056938A JP 5693883 A JP5693883 A JP 5693883A JP H0334397 B2 JPH0334397 B2 JP H0334397B2

Authority

JP

Japan

Prior art keywords

flocculant

concentration

sludge

addition rate

addition

Prior art date

1983-04-01

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.)

Expired - Lifetime

Links

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• 239000010802 sludge Substances 0.000 claims description 31
• 238000000034 method Methods 0.000 claims description 25
• 239000007788 liquid Substances 0.000 claims description 10
• 229920000620 organic polymer Polymers 0.000 claims description 10
• 229920000642 polymer Polymers 0.000 claims 2
• 239000000126 substance Substances 0.000 description 22
• 208000005156 Dehydration Diseases 0.000 description 8
• 230000018044 dehydration Effects 0.000 description 8
• 238000006297 dehydration reaction Methods 0.000 description 8
• 238000002347 injection Methods 0.000 description 5
• 239000007924 injection Substances 0.000 description 5
• 239000008394 flocculating agent Substances 0.000 description 4
• 238000005259 measurement Methods 0.000 description 4
• 230000009467 reduction Effects 0.000 description 4
• 239000007787 solid Substances 0.000 description 3
• IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
• 239000000701 coagulant Substances 0.000 description 2
• 238000007796 conventional method Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 229920002401 polyacrylamide Polymers 0.000 description 2
• 230000008569 process Effects 0.000 description 2
• 238000000926 separation method Methods 0.000 description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
• OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
• 230000008901 benefit Effects 0.000 description 1
• 229910052799 carbon Inorganic materials 0.000 description 1
• 230000008859 change Effects 0.000 description 1
• 238000004140 cleaning Methods 0.000 description 1
• 238000011109 contamination Methods 0.000 description 1
• 238000005469 granulation Methods 0.000 description 1
• 230000003179 granulation Effects 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 238000012544 monitoring process Methods 0.000 description 1
• 229910052757 nitrogen Inorganic materials 0.000 description 1
• 238000012545 processing Methods 0.000 description 1
• 230000004044 response Effects 0.000 description 1
• 238000005406 washing Methods 0.000 description 1
• 239000002351 wastewater Substances 0.000 description 1