JPH0155910B2 - - Google Patents

Info

Publication number

JPH0155910B2

JPH0155910B2 JP55106800A JP10680080A JPH0155910B2 JP H0155910 B2 JPH0155910 B2 JP H0155910B2 JP 55106800 A JP55106800 A JP 55106800A JP 10680080 A JP10680080 A JP 10680080A JP H0155910 B2 JPH0155910 B2 JP H0155910B2

Authority

JP

Japan

Prior art keywords

tank

liquid

water

coal

wastewater treatment

Prior art date

1980-08-05

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

Links

• Espacenet
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• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
• 239000007788 liquid Substances 0.000 claims description 32
• 238000004065 wastewater treatment Methods 0.000 claims description 17
• 239000006228 supernatant Substances 0.000 claims description 16
• 239000010881 fly ash Substances 0.000 claims description 14
• 238000000034 method Methods 0.000 claims description 13
• 239000002893 slag Substances 0.000 claims description 11
• 239000002351 wastewater Substances 0.000 claims description 11
• 238000006477 desulfuration reaction Methods 0.000 claims description 10
• 230000023556 desulfurization Effects 0.000 claims description 10
• 239000010802 sludge Substances 0.000 claims description 10
• 238000001816 cooling Methods 0.000 claims description 6
• 238000004062 sedimentation Methods 0.000 claims description 6
• 239000002245 particle Substances 0.000 claims description 4
• 230000002378 acidificating effect Effects 0.000 claims description 3
• 239000010883 coal ash Substances 0.000 claims description 3
• 239000000498 cooling water Substances 0.000 claims description 3
• 239000000203 mixture Substances 0.000 claims description 3
• 239000000843 powder Substances 0.000 claims description 3
• 238000011084 recovery Methods 0.000 claims description 2
• 238000004064 recycling Methods 0.000 claims 1
• 239000003245 coal Substances 0.000 description 16
• 239000002699 waste material Substances 0.000 description 4
• 239000000428 dust Substances 0.000 description 3
• 239000012717 electrostatic precipitator Substances 0.000 description 3
• 238000007789 sealing Methods 0.000 description 3
• 239000007787 solid Substances 0.000 description 3
• 239000007921 spray Substances 0.000 description 3
• KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
• QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
• 239000002253 acid Substances 0.000 description 2
• 238000002485 combustion reaction Methods 0.000 description 2
• 238000007599 discharging Methods 0.000 description 2
• 238000006386 neutralization reaction Methods 0.000 description 2
• 239000002956 ash Substances 0.000 description 1
• 239000004568 cement Substances 0.000 description 1
• 238000006243 chemical reaction Methods 0.000 description 1
• 239000000701 coagulant Substances 0.000 description 1
• 239000012141 concentrate Substances 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 239000010419 fine particle Substances 0.000 description 1
• 239000008187 granular material Substances 0.000 description 1
• 229910052602 gypsum Inorganic materials 0.000 description 1
• 239000010440 gypsum Substances 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• 239000008213 purified water Substances 0.000 description 1
• 238000011946 reduction process Methods 0.000 description 1
• 230000002269 spontaneous effect Effects 0.000 description 1
• 239000000126 substance Substances 0.000 description 1
• 238000011144 upstream manufacturing Methods 0.000 description 1