JP6581202B2 - 汚染物質低減装置及び方法 - Google Patents
汚染物質低減装置及び方法 Download PDFInfo
- Publication number
- JP6581202B2 JP6581202B2 JP2017545645A JP2017545645A JP6581202B2 JP 6581202 B2 JP6581202 B2 JP 6581202B2 JP 2017545645 A JP2017545645 A JP 2017545645A JP 2017545645 A JP2017545645 A JP 2017545645A JP 6581202 B2 JP6581202 B2 JP 6581202B2
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- JP
- Japan
- Prior art keywords
- seawater
- pipe
- scrubber
- exhaust gas
- water
- 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.)
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- 239000003344 environmental pollutant Substances 0.000 title claims description 130
- 231100000719 pollutant Toxicity 0.000 title claims description 130
- 238000000034 method Methods 0.000 title claims description 127
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 972
- 239000013535 sea water Substances 0.000 claims description 476
- 239000007789 gas Substances 0.000 claims description 334
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 322
- 238000004140 cleaning Methods 0.000 claims description 305
- 238000005406 washing Methods 0.000 claims description 239
- 238000000746 purification Methods 0.000 claims description 146
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 claims description 102
- 244000005700 microbiome Species 0.000 claims description 90
- 239000000356 contaminant Substances 0.000 claims description 84
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- 239000007800 oxidant agent Substances 0.000 claims description 57
- 238000002156 mixing Methods 0.000 claims description 54
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 claims description 46
- 230000001590 oxidative effect Effects 0.000 claims description 41
- 239000002245 particle Substances 0.000 claims description 41
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical group [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 claims description 41
- 238000002485 combustion reaction Methods 0.000 claims description 36
- 239000003899 bactericide agent Substances 0.000 claims description 35
- 239000010802 sludge Substances 0.000 claims description 35
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 claims description 29
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 26
- 239000005708 Sodium hypochlorite Substances 0.000 claims description 24
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 20
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- 238000006243 chemical reaction Methods 0.000 claims description 18
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- 229910052757 nitrogen Inorganic materials 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 14
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 13
- 229910017604 nitric acid Inorganic materials 0.000 claims description 13
- 238000011109 contamination Methods 0.000 claims description 12
- 239000000645 desinfectant Substances 0.000 claims description 11
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
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- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 14
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 14
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- 230000004083 survival effect Effects 0.000 description 11
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- 238000009434 installation Methods 0.000 description 5
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- 230000003134 recirculating effect Effects 0.000 description 5
- 238000003911 water pollution Methods 0.000 description 5
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000000813 microbial effect Effects 0.000 description 4
- 230000020477 pH reduction Effects 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000002803 fossil fuel Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000010763 heavy fuel oil Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
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- 238000012544 monitoring process Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 2
- 235000019345 sodium thiosulphate Nutrition 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000002070 germicidal effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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- 230000008520 organization Effects 0.000 description 1
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- 238000001139 pH measurement Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 150000005837 radical ions Chemical class 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- -1 that is Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
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Images
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Description
本発明の第2実施例に係る汚染物質低減装置1−1は、一端部がバラスト水タンク60に連結され且つ他端部が洗浄水供給管30に連結される洗浄水再供給管130をさらに含む。本発明の第2実施例に係る汚染物質低減装置1−1は、一端部がバラスト水タンク60に連結され且つ他端部が洗浄水供給管30に連結される洗浄水再供給管130をさらに含む以外は、前述した実施例と実質的に同様である。したがって、これを重点的に説明するが、別の記載がない限り、残りの構成部についての説明は前述した事項で代わる。
<反応式>
NO+O→NO2
NO+H2O→NO2+OH−
NO+OH−→HNO2
HNO2+OH−→NO2+H2O
NO+O3→NO2+O2
NO2+OH−→HNO3
SO2+OH− →HSO3 −
HSO3 −+OH−→H2SO4
SO2+O→SO3 2−
SO3 2−+H2O→H2SO4
2H2O→O2+4H++4e−
2Cl−→Cl2+2e−
2H2O+2e−→H2+2OH−
2Na++2e−→2Na
Na+H2O→NaOH
Cl2+2OH−→OCl−+Cl−+H2O
Na++OCl−→NaOCl
NaOCl+H2O→HOCl
2NaOCl+2HNO3→2NaNO3+2HOCl
2NaOCl+H2SO4→のNa2SO4+2HOCl
20 排気ガス管
30 洗浄水供給管
31 ポンプ
40 スクラバー
41 排出管
50a 第1バルブ
50 洗浄水排出管
60 バラスト水タンク
70a 第2バルブ
70 循環管
80a 第3バルブ
80 流出管
90 中和処理部
100 浄化部
110 スラッジ貯蔵タンク
120 殺菌処理部
130 洗浄水再供給管
131 ポンプ
Claims (13)
- 燃焼機関の排気ガスを排出する排気ガス管と、
洗浄水を供給する洗浄水供給管と、
前記排気ガス管を介して流入する排気ガスに、前記洗浄水供給管を介して供給される洗浄水を噴霧するスクラバーと、
前記スクラバー内部の洗浄水を排出してバラスト水タンクへ供給する洗浄水排出管と、
前記洗浄水排出管と前記洗浄水供給管とを連結する循環管と、
遠心分離機および重力分離機のうちの少なくとも一つを用いて、前記洗浄水排出管を介して排出される洗浄水をフィルタリングするフィルターユニットと、
前記スクラバー、または前記洗浄水排出管と前記バラスト水タンクとの間に備えられ、前記洗浄水排出管を介して排出された洗浄水を前記バラスト水タンクへ移送する混合管の後段に中和剤を供給する中和剤供給部とを含み、
前記洗浄水排出管を介して排出される洗浄水は、前記フィルターユニットによってフィルタリングされた後、前記洗浄水供給管を介して前記スクラバーへ供給され、前記排気ガスに含まれている汚染物質を除去することに再利用される、汚染物質低減装置。 - 前記洗浄水供給管の内部を流動する洗浄水のpH値よりも、前記洗浄水排出管の内部を流動する洗浄水のpH値がさらに低い、請求項1に記載の汚染物質低減装置。
- 前記排気ガス管または前記スクラバーに連結され、窒素系酸化物を酸化させるか、或いは酸性化された洗浄水を中和させるか、或いは洗浄水に含まれている微生物を死滅させる浄化ユニットをさらに含む、請求項1に記載の汚染物質低減装置。
- 外部から海水の流入を受け、前記バラスト水タンクにバラスト水を供給する海水供給管をさらに含み、
前記洗浄水供給管は前記海水供給管から分岐した、請求項3に記載の汚染物質低減装置。 - 前記洗浄水供給管を介して前記スクラバーに流入する海水の量を調節する制御バルブと、
前記排気ガスの濃度または汚染度、または前記スクラバーを通過した前記洗浄水のpH値に応じて前記制御バルブを制御する制御部をさらに含む、請求項4に記載の汚染物質低減装置。 - 前記排気ガスの濃度または汚染度は、前記排気ガス内の硫黄酸化物及び窒素酸化物のうちの少なくとも一つの量で判断する、請求項5に記載の汚染物質低減装置。
- 前記制御バルブは、前記海水供給管と前記洗浄水供給管とを連結し、前記洗浄水供給管に分岐する海水の量または割合を調節する3方弁を含む、請求項5に記載の汚染物質低減装置。
- 前記洗浄水排出管と前記循環管との間に配置された再循環タンクと、
前記フィルターユニットに連結され、前記フィルターユニットによって濾過された固体状粒子が集まるスラッジタンクとをさらに含み、
前記フィルターユニットは、前記再循環タンクに連結され、前記排出された洗浄水に含まれている固体状粒子を分離する、請求項1に記載の汚染物質低減装置。 - 前記浄化ユニットは、前記排気ガス管、前記海水供給管または前記スクラバーに連結され、海水を電気分解して窒素系酸化物を酸化させる酸化剤、酸性化された洗浄水を中和させる中和剤、または海水に含まれている微生物を死滅させる殺菌剤を供給する、請求項3に記載の汚染物質低減装置。
- 前記酸化剤は、前記海水を電気分解して生成した次亜塩素酸ナトリウムまたは次亜塩素酸であり、
前記殺菌剤は、前記海水を電気分解して生成した次亜塩素酸ナトリウムまたは次亜塩素酸であるか、或いは前記次亜塩素酸ナトリウムまたは前記次亜塩素酸が前記排気ガス及び前記海水と反応して生成した硝酸または硫酸であり、
前記中和剤は、前記海水を電気分解して生成した次亜塩素酸ナトリウムまたは前記次亜塩素酸ナトリウムの希釈液である、請求項9に記載の汚染物質低減装置。 - 前記排気ガス管に連結され、パルスコロナ放電をして前記排気ガスを酸化させ、オゾンと酸化性ラジカルを発生させて前記洗浄水を殺菌する浄化ユニットをさらに含む、請求項1に記載の汚染物質低減装置。
- 前記浄化ユニットは、
筒形状または互いに平行に配置された一対のプレート形状の第1電極と、
前記第1電極の内側または前記第1電極同士の間に離隔して配置され、前記排気ガスの流動方向と垂直方向に配列されたワイヤー形状の第2電極とを含む反応モジュールを含む、請求項11に記載の汚染物質低減装置。 - 燃焼機関の排気ガスの流入を受け、外部から海水の流入を受け、一部はバラスト水タンクへ供給して船舶のバラスト水として使用し、一部はスクラバーへ供給する(a)段階と、
前記排気ガスに酸化剤を噴射することにより窒素系酸化物を酸化させて前記スクラバーへ供給する(b)段階と、
前記スクラバーに前記海水を噴射することにより、前記排気ガスに含まれている汚染物質を除去し、同時に前記海水に含まれている微生物を死滅させる(c)段階と、
前記スクラバーを通過した前記海水に含まれている固体状粒子を分離する(d)段階とを含み、
前記燃焼機関から流入する前記排気ガスおよび外部から流入する前記海水の量を可変させて前記排気ガスと前記海水を選択的に浄化し、
前記(d)段階を経た前記海水は、外部から直接流入した海水と混合され、前記船舶のバラスト水として使用されるか或いは外部へ直接排出されるか、或いは前記スクラバーに再循環される、汚染物質低減方法。
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KR102147188B1 (ko) * | 2020-03-13 | 2020-08-25 | 미령환경개발(주) | 수돗물 기반 살균수를 이용한 미생물의 생장을 억제하는 스크러버 |
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EP3266702A1 (en) | 2018-01-10 |
WO2016140554A1 (ko) | 2016-09-09 |
EP3266702A4 (en) | 2018-11-21 |
CN112973332B (zh) | 2023-03-28 |
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US20180037308A1 (en) | 2018-02-08 |
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