JPH0353758Y2 - - Google Patents

Info

Publication number

JPH0353758Y2

JPH0353758Y2 JP16955386U JP16955386U JPH0353758Y2 JP H0353758 Y2 JPH0353758 Y2 JP H0353758Y2 JP 16955386 U JP16955386 U JP 16955386U JP 16955386 U JP16955386 U JP 16955386U JP H0353758 Y2 JPH0353758 Y2 JP H0353758Y2

Authority

JP

Japan

Prior art keywords

exchange resin

resin

anion exchange

regeneration

separation

Prior art date

1986-11-06

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

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• 230000008929 regeneration Effects 0.000 claims description 82
• 238000011069 regeneration method Methods 0.000 claims description 82
• 239000011347 resin Substances 0.000 claims description 81
• 229920005989 resin Polymers 0.000 claims description 81
• 239000003957 anion exchange resin Substances 0.000 claims description 63
• NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims description 59
• 239000003729 cation exchange resin Substances 0.000 claims description 53
• 238000000926 separation method Methods 0.000 claims description 41
• 238000010612 desalination reaction Methods 0.000 claims description 7
• 150000002500 ions Chemical class 0.000 claims description 2
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 38
• 239000003456 ion exchange resin Substances 0.000 description 29
• 229920003303 ion-exchange polymer Polymers 0.000 description 29
• 239000002253 acid Substances 0.000 description 15
• 239000012492 regenerant Substances 0.000 description 15
• 239000003513 alkali Substances 0.000 description 5
• UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
• 238000007796 conventional method Methods 0.000 description 4
• 238000010586 diagram Methods 0.000 description 4
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
• 239000003795 chemical substances by application Substances 0.000 description 3
• 230000000694 effects Effects 0.000 description 3
• 238000001125 extrusion Methods 0.000 description 3
• 238000005406 washing Methods 0.000 description 3
• VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
• 150000001768 cations Chemical class 0.000 description 2
• 229920001429 chelating resin Polymers 0.000 description 2
• 238000009434 installation Methods 0.000 description 2
• 238000000034 method Methods 0.000 description 2
• 238000004064 recycling Methods 0.000 description 2
• 230000001172 regenerating effect Effects 0.000 description 2
• 238000004062 sedimentation Methods 0.000 description 2
• 239000002002 slurry Substances 0.000 description 2
• 230000002378 acidificating effect Effects 0.000 description 1
• 238000011001 backwashing Methods 0.000 description 1
• 229940023913 cation exchange resins Drugs 0.000 description 1
• 230000007423 decrease Effects 0.000 description 1
• 238000007599 discharging Methods 0.000 description 1
• 229940079593 drug Drugs 0.000 description 1
• 239000003814 drug Substances 0.000 description 1
• 238000002474 experimental method Methods 0.000 description 1
• 238000005342 ion exchange Methods 0.000 description 1
• 235000011121 sodium hydroxide Nutrition 0.000 description 1