TW518249B - Adsorbent for gaseous chemical substrate and apparatus for adsorbing and removing using the same - Google Patents

Adsorbent for gaseous chemical substrate and apparatus for adsorbing and removing using the same Download PDF

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Publication number
TW518249B
TW518249B TW089106901A TW89106901A TW518249B TW 518249 B TW518249 B TW 518249B TW 089106901 A TW089106901 A TW 089106901A TW 89106901 A TW89106901 A TW 89106901A TW 518249 B TW518249 B TW 518249B
Authority
TW
Taiwan
Prior art keywords
gas
zeolite
gaseous chemical
chemical substance
roller
Prior art date
Application number
TW089106901A
Other languages
English (en)
Inventor
Yoshio Tamura
Yasuyoshi Shinoda
Original Assignee
Daikin Ind Ltd
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Publication date
Application filed by Daikin Ind Ltd filed Critical Daikin Ind Ltd
Application granted granted Critical
Publication of TW518249B publication Critical patent/TW518249B/zh

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/16—Alumino-silicates
    • B01J20/18—Synthetic zeolitic molecular sieves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28042—Shaped bodies; Monolithic structures
    • B01J20/28045—Honeycomb or cellular structures; Solid foams or sponges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1411—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
    • F24F3/1423—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by absorbing or adsorbing water, e.g. using an hygroscopic desiccant with a moving bed of solid desiccants, e.g. a rotary wheel supporting solid desiccants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/106—Silica or silicates
    • B01D2253/108—Zeolites
    • B01D2253/1085—Zeolites characterized by a silicon-aluminium ratio
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/25—Coated, impregnated or composite adsorbents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/34—Specific shapes
    • B01D2253/342—Monoliths
    • B01D2253/3425—Honeycomb shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/406—Ammonia
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/40—Further details for adsorption processes and devices
    • B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
    • B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
    • B01D2259/4009—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating using hot gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00—Aspects relating to sorbent materials
    • B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/42—Materials comprising a mixture of inorganic materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1032—Desiccant wheel
    • F24F2203/1036—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1048—Geometric details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1056—Rotary wheel comprising a reheater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1068—Rotary wheel comprising one rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/10—Rotary wheel
    • F24F2203/1088—Rotary wheel comprising three flow rotor segments

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Separation Of Gases By Adsorption (AREA)

Description

518249 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明（1 ) 本發明係有關吸附被處理吸附氣體中之氣體狀化學物 質，特別是氨及有機系氣體狀化學物質之氣體狀化學物質 吸附體及吸附除去裝置者。 先行技術中，將有機溶劑吸附劑擔載於蜂窩狀層積體 ，於此，通過含有有機系氣體狀化學物質之氣體後使吸附 氣體狀化學物質之氣體狀化學物質吸附體及此吸附體形成 圓筒狀後·，進行旋轉驅動後，使一部份吸附，另一部份以 高溫氣體進行解吸之吸附除去裝置者使用之（特開平7-3 1 3 8 2 5 )。其中吸附劑以有機溶劑之吸附能大之疏 水性沸石使用之。 惟，一般沸石不太吸附有機溶劑，極選擇性吸附空氣 中之濕氣。通常空氣1 kg中含1 0 g左右之濕氣份，此乃 做爲氣體狀化學物質者所含有機溶劑量爲1萬倍以上者。 因此，氣體狀化學物質被吸附前濕氣份呈飽和，造成隨後 氣體狀化學物質之吸附抑制出現問題。針對此，以疏水性 沸石使用後，則可選擇性吸附有機系氣體狀化學物質，惟 ，無機系氣體狀化學物質，如：氨、硫黃化合物等之吸附 則有困難。 本發明之目的係爲提供一種無論有機系氣體狀化學物 質、無機系氣體狀化學物質均可有效吸附之氣體狀化學物 質吸附體及吸附除去裝置者。 本發明係以S i 0 2 / A 1 2〇3 (莫耳比）大於7 0 之沸石與S i〇2/A 1 2〇3 (莫耳比）爲5〜7 0之沸 石所成者爲特徵之氣體狀化學物質吸附體者。 本紙張尺度適用中國國家標準（CNS)A4規格(210 X 297公釐） -4- -----------Αν- Μ--------------- (請先閲讀背I»之注意事項再填寫本頁) 518249 經濟部智慧財產局員工消費合作社印製 A7 B7 五、發明說明（2 ) 本發明依氣體狀化學物質種類之不同，使用S i 〇2/ A 1 2〇3莫耳比7 0以上與S i 〇2/A 1 2〇3莫耳比爲 5〜7 0之2種以上之沸石者。藉此，無論有機系氣體狀 化學物質，無機系氣體狀化學物質均可有效被吸附去除者 〇 一般沸石係以a Μ 2〇X · A 1 2〇3 · m S i 0 2 · b H2〇之分子式示之。M代表鹼族或鹼土族之金屬，x代 表其原子價者。m代表二氧化矽（S i〇2)與氧化鋁（ Al2〇3)之莫耳比Si〇2 /_A 1 2〇3者，典小於5者 爲親水性沸石者。本發明中m爲5〜7 0之沸石（以下， 稱弱疏水性沸石）與m爲7 0以上之沸石（以下，稱強疏 水性沸石）相互塡充於流動床式吸附塔，或使以3 0〜 9 0 (重量）％擔載於蜂窩狀層積體中。弱疏水性沸石與 強疏水性沸石之混合比依氣體狀化學物質而異，通常理想 者以弱疏水性沸石1 0〜9 0 % (重量）與強疏水性沸石 90〜10% (重量）者。 又，本發明係使該氣體狀化學物質吸附體往軸線方向 通過氣體後形成略圓筒狀之滾輥與使該滾輥於其軸線周圍 進行旋轉之驅動方法與於滴輥之軸線方向兩端沿著滴輥周 圍之旋轉方向依序於吸附部、再生部、及冷卻部畫分後形 成氣體接待部者，將含有氣體狀化學物質之氣體於吸附部 以滾輥之單側軸線方向供與後，由另一側排出外部之被處 理氣體接待部以及將再生用氣體於再生部供入滾輥軸線方 向另一側後，與由單側排出外部之冷卻氣體接待部所成之 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） — — — —— — — — — — ills — (請先閱讀背面之注意事項再填寫本頁) -5- 518249 A7 B7 五、發明說明（3 ) (請先閲讀背面之注意事項再填寫本頁) 氣體接待部以及含有加熱供於再生部氣體之加熱方法以連 續性或間歇性使氣體狀化學物質吸附去除者爲特徵之吸附 裝置者。 本發明之氣體狀化學物質吸附體形成略圓筒狀後，於 其軸線周圍依吸附部、再生部、冷卻部之順序藉由驅動方 法後被旋轉驅動。於吸附部其含有氣體狀化學物質之氣體 由滾輥軸線方向單側流過另一側後，氣體狀化學物質被吸 附去除之。再生部中以加熱方法藉由被加熱之氣體後，於 吸附部所吸附之氣體狀化學物質_被解吸後，滾輥再生。冷 卻部中於再生部以再生用氣體所加熱之滾輥於吸附部爲吸 附氣體狀化學物質使冷卻至適當溫度。藉此，以連續性處 理含有氣體狀化學物質之氣體。 又，本發明係以去除該氣體狀化學物質之氣體中氣體 狀化學物質之合計量爲5 p p b以下者爲特徵者。 本發明之以吸附除去裝置所處理之氣體呈接近游離化 學之氣體者。因此，務必處理之氣體通風條件係滾輥前面 風速爲2 · 5m/s e c以下者，其軸線方向之長度L = 4 0 0 m m 者。 經濟部智慧財產局員工消費合作社印製 【圖面之簡單說明】 以下詳細說明本發明與其目的及除外之目的與其特色 及利點，以及由圖面更明確之說明之。 圖1係代表本發明實施形態之1之吸附除去裝置（1 )之系統圖者。 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） -6 經濟部智慧財產局員工消費合作社印製 518249 A7 ________ B7 五、發明說明（4 ) 圖2係代表滾輥（2 )之斜視圖者。 圖3係代表蜂窩狀層積體（1 5 )之放大平面圖者。 圖4係代表S i〇2 / A 1 2 0 3與水及苯之吸附量相 互之關係曲線圖者。 主要元件對照表 1 3 濾器 1 4 冷卻用送風器 1 5 冷卻氣體接待部. 8 氣體接待部 1 1 加熱方法 1 2 再生氣體接待部 1 7 再生部 1 8 冷卻部 1 6 吸附部 2 滾輥 5 皮帶 3 軸線 8 被處理氣體接待部 4 驅動用馬達 9 濾器 2 2 /蜂窩狀層積體 1 0 * 再生氣體送風器· 7 被處理氣體送風器 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公爱） — — — — — — — — — — i^_w* — — — — — — I— ^irlm I (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 518249 • A7 B7 五、發明說明（6 ) 9)，被吸引於再生氣體送風器（10) ’以加熱器於 1 80 °C下進行加熱後藉由再生氣體接待部（1 2)供於 滾輥（2)之再生部（17)，使被吸附於滾輥（2)之 氣體狀化學物質進行解吸，經過再生氣體接待部（1 2 ) 被排出本裝置（1 )之外。滾輕（2)之再生部（1 7) 係藉由1 8 之再生氣體後，被加熱至近1 8、0°C。因 此，冷卻部（1 8 )中藉由冷卻氣體冷卻至接近常溫。冷 卻氣體係介著濾器（1 3 )以冷卻用送風器（1 4 )被吸 引之，藉由冷卻氣體接待部（1- 5 )供與滾輥（2 )之冷 卻部（1 8 )，冷卻滾輥（2 )後由冷卻氣體接待部（ 1 5)被排出。送入吸附部（1 6 )之被處理氣體與送入 再生部（1 7 )之再生氣體及送入冷卻部（1 8 )之冷卻 氣體者係指藉由滾輥（2 )內流動之反方向後可有效進行 吸附與解吸•冷卻者。 圖3係代表本發明氣體狀化學物質吸附體所使用之蜂 窩狀層積體（2 2 )之部份放大平面圖者。此形成圓筒狀 滾輥（2 )時，蜂窩狀小孔（2 7 )使通過軸線方向。* 圖4係代表組成沸石之S i 0 2與A 1 2 0 3之莫耳比 (S 1〇2/A 1 2〇3)與水及苯之吸附量相互之關係曲 線圖者。水與苯之吸附量其S i 0 2 / A 1 2 0 3以約爲 70進行交叉。因此，本發明中，S i〇2/A 12〇3係 使該交叉點（S i 0 2 / A 1 2 0 3 = 7 0 )以下之疏水性 沸石1 0〜9 0 % (重量）與大於該交叉點之強疏水性沸 石90〜10% (重量）擔載於蜂窩狀層積體（22)。 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） " --I I I I---I —Aw- ills — ^irlm I (請先閲讀背面之注意事項再填寫本頁) 518249 Α7 Β7 五、發明說明（7 ) 以下之實施例係以等量之S i 0 2 / A 1 2〇3莫耳比6 0 之弱疏水性沸石與該莫耳比2 0 0之強疏水性沸石擔載於 蜂窩狀層積體（2 2 )之滾輥（2 )使用後進行吸附試驗 (實施例） ' 被處理氣體係於空氣中混入以氨做爲無機系氣體狀化 學物質之62〜75ppb與以740〜800ppb之 正-甲基吡咯烷酮（NMP )做爲有機系氣體狀化學物質 。將此被處理氣體以約3m3/m i η之流量供與裝入該滾 輥（2)之本吸附除去裝置（1)。又，再生係於約0· 6m3/m i η之1 7 之空氣下進行之。 被處理氣體及再生氣體流入安定後之本裝置（1 )務 必花費約1小時之久，因此，設定裝置後，1小時之後再 進行被處理氣體等之採樣進行之分析。氨係介著置入吸收 液之塵埃測定器（2段連結）以振動膜式迷你泵使各氣體 以2 L / m i η之比例進行3小時吸引後，以離子色譜法 進行分析吸收液中之氨後，計算各氣體中之氨濃度。 Ν Μ Ρ塡充吸附劑後介著吸附塔以振動膜式迷你泵進行氣 體之吸引、以乾式氣量計計算吸引氣體量後進行採樣。吸 附劑所吸附之Ν Μ Ρ係使吸附劑加熱之同時逼出不活性氣 體後，以T C Τ 一 G C /M C法測定不活性氣體中之 Ν Μ Ρ。測定結果如表1所示。 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) 裝
----訂ί I 經濟部智慧財產局員工消費合作社印製 -10- 518249 A7 B7 五、發明說明（8 ) 實施例 NH3 (ppb) 【表 NMP (ppb) 比較例1 比較例 NHs (ppb) NMP (ppb) NHs (ppb)
NMP (ppb) 被處理氣體(入） 被處理氣體(出） 吸著除去效率 再生氣體 濃縮倍率 62 1.4 97.7% 390 6.4 740 0.1以下 100% 4440 6.0 67 23 65.7% 270 6.1 760 0.1以下 100% 4790 6.3 75 1.0 98.7% 460 6.3 800 10 98.8% 5130 6.5 (請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 (比較例1 ) 除以S i 0 2 / A 1 2 0 3莫耳比2 0 0之強疏水性沸 石做爲擔載於蜂窩狀層積體（2 2 )之沸石使用之外，與 實施例同法進行吸附除去裝置之運轉。其結果如表1所示 (比較例2 ) 除以S i 0 2 / A 1 2 0 3莫耳比6 0之疏水性沸石做爲 擔載於蜂窩狀層積體（2 2 )之沸石使用之外，與實施例 同法進行吸附除去裝置之運轉，其結果如表1所示。 由實施例與比較例之結果證明使用本發明之沸石之吸 附除去裝置對於如氨類之無機系氣體狀化學物質、NMP 類之有機系氣體狀化學物質均可高度有效吸附去除者。 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公« ) -11 - 518249 A7 ----- -----B7 五、發明說明（9 ) (請先閱讀背面之注意事項再填寫本頁) 本發明在未跳脫其主要範圍下，可進行其他各種實施 者。因此，本發明並非僅限於上述實施例中，本發明範圍 <如申請範圍所示者，明細書本文均未有任何受限者。 【產業上可利用性】 申請專利範圍第1項至第4項所載之本發明具有弱疏 水性沸石與強疏水性沸石，因此，對於無機系及有機系之 氣體狀化學物質均可有效被吸附。本發明之氣體狀化學物 ' 質吸附體係塡於流動床式吸附塔或擔載於蜂窩狀層積體被 使用之。其弱疏水性沸石之混合比例以1 〇〜9 0 % (重 量）者宜。 又，申請專利範圍第5項之本發明其氣體狀化學物質 於吸附部（16)被有效吸附，且於再生部（17)與冷 卻部（1 8 )有效進行解吸與冷卻，因此，可連續性有效 處理之。 另外，申請專利範圍第6項所載之本發明其氣體狀化 學特質接近游離化學被吸附之。 經濟部智慧財產局員工消費合作社印製 準 標 家 國 國 中 用 適 度 尺 張 紙 本 藿 公 97 2 X 110 (2 2

Claims (1)

  1. 518249 A8 B8 C8 _08六、申請專利範圍 1 · 一種氣體狀化學物質吸附體，其特徵係由S i 〇2 /A 1 2〇3 (莫耳比）爲大於7〇之沸石與S i 02/ A 1 2 0 3 (莫耳比）爲5〜7 0之沸石所組成者。 2 ·如申請專利範圍第1項之氣體狀化學物質吸附體 ’其中該吸附體係由1 〇〜9 〇% (重量）之S i 〇2/ A 12〇3莫耳比爲7〇以上之沸石與90〜1 0% (重量 )之S i 02/a 1 2〇3莫耳比爲5〜7 0之沸石所組成 者。 - 3 · —種氣體狀化學物質吸附體，其持徵係2種以上 沸石擔載於蜂窩狀層積體之氣體狀化學物質吸附體者，該 2種以上之沸石爲S i〇2/A l2〇3 (莫耳比）爲70 以上之沸石與S i〇2/A l2〇3 (莫耳比）爲5〜70 之沸石所組成者。 4 ·如申請專利範圍第1項之氣體狀化學物質吸附體 ，其中該2種以上沸石係由S i〇2/A 1 2〇3莫耳比爲 70以上之1 〇〜9 0% (重量）之沸石與S i〇2/ A l2〇3莫耳比爲5〜70之90〜1 0% (重量）之沸 έ 石所組成者。 p 5 · —種吸附除去裝置，其特徵係將如申請專利範圍 \ 第3項之氣體狀化學物質吸附體往軸線方向形成可通過氣 L \ 體之略圓筒狀之滾輥與使該滾輥沿其軸線周圍進行旋轉之 Ϊ 驅動方法以及於滾輥之軸線方向兩端往滾輥周圍方向沿旋 ^ . p 轉方向依序區分吸附部，再生部及冷卻部之順序之後形成 1 氣體接待部，將含有氣體狀化學物質之氣體於吸附部往滾 (請先閲讀背面之注意事項再填寫本頁) •裝· 訂 線 -^Ιτ 本紙張尺度適用中國國家標準（CNS ) Α4規格（210X297公釐） -13- 518249 A8 B8 C8 ___ D8 六、申請專利範圍 輥之軸線方向單側供入，由另一側排出外部之被库理氣體 接待部’以及將再生用氣體於再生部往滾輥之軸線方向之 另側供入，單側排出之再生氣體接待部與將冷卻用氣體於 冷卻部由滾輥軸線方向另一側供入，由單側排出外部之冷 卻氣體接待部所組成之氣體接待部與進行加熱供與再生部 之氣體之加熱方法，以連續性或間歇性吸附去除氣體狀化 學物質者。 6 ·如申請專利範圍第5項之吸附除去裝置，其中該 氣體狀化學物質被去除之被處理氣體中之氣體狀化學物質 總量爲5ppb以下者。 I— !裝— — I I 訂—— I I 線 (請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消骨合作社印製 本紙張尺度適用中國國家揉準（CNS ) A4規格（210X297公釐） -14-
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EP1195195A1 (en) 2002-04-10
EP1195195A4 (en) 2002-11-06

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