JP2017517385A - コロイド状沈降炭酸カルシウムを用いることによる、水性媒体中の有機材料の吸着および/または水性媒体中の有機材料の量の低減 - Google Patents
コロイド状沈降炭酸カルシウムを用いることによる、水性媒体中の有機材料の吸着および/または水性媒体中の有機材料の量の低減 Download PDFInfo
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- JP2017517385A JP2017517385A JP2016562850A JP2016562850A JP2017517385A JP 2017517385 A JP2017517385 A JP 2017517385A JP 2016562850 A JP2016562850 A JP 2016562850A JP 2016562850 A JP2016562850 A JP 2016562850A JP 2017517385 A JP2017517385 A JP 2017517385A
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- Prior art keywords
- cpcc
- aqueous medium
- pulp
- weight
- calcium carbonate
- Prior art date
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Images
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- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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- 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
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
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- 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
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- 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
- B01J20/28002—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 physical properties
- B01J20/28004—Sorbent size or size distribution, e.g. particle size
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- 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
- B01J20/28054—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 surface properties or porosity
- B01J20/28057—Surface area, e.g. B.E.T specific surface area
- B01J20/28059—Surface area, e.g. B.E.T specific surface area being less than 100 m2/g
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- 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
- B01J20/28054—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 surface properties or porosity
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- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
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- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
- C02F2103/325—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters from processes relating to the production of wine products
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Description
ここで、
(濁度前)は、cPCCを添加する前の水性媒体の濁度(NTU)であり、
(濁度後)は、少なくとも10g/L水性媒体の量のcPCCを添加した後の水性媒体の濁度(NTU)である。
ここで、
(COD前)は、cPCCを添加する前の水性媒体のCOD(mg/L)であり、
(COD後)は、少なくとも10g/L水性媒体の量のcPCCを添加した後の水性媒体のCOD(mg/L)である。
ここで、
(SCD前)は、cPCCを添加する前の水性媒体のSCD(μEq/g)であり、
(SCD後)は、少なくとも10g/L水性媒体の量のcPCCを添加した後の水性媒体のSCD(μEq/g)である。
<材料のBET比表面積(m2/g)>
BET比表面積値は、ISO 9277に従い、窒素とBET法を用いて決定された。
粒状材料の重量メディアン粒径および粒径の質量分布は、沈降法(即ち、重量分析場での沈降挙動の分析)によって決定された。測定は、Sedigraph(商標)5100を用いて行われた。
懸濁物のpHは、対応するMettler Toledo(商標)pH拡張ユニットおよびMettler Toledo InLab(R)730 Expert Pro pH電極を取り付けたMettler Toledo(商標)Seven Easy pH計を用い、23℃で測定された。
導電性は、対応するMettler Toledo導電性拡張ユニットおよびMettler Toledo InLab(R)730導電性プローブを取り付けたMettler Toledo Seven Multi装置を用い、pendraulikの歯状ディスクの撹拌機を用いて水性媒体を1500rpmで攪拌した直後に25℃で測定された。
固形分の重量は、固体材料の重量を水性懸濁物の合計重量で割ることによって決定される。
重量分析のために、100cm3の水性媒体サンプルを、あらかじめ計量したアルミニウム製ビーカーに入れ、炉で乾燥させ(90℃、24時間)、水性媒体中の非揮発性残渣(即ち、有機材料および無機材料)の合計量を得た。
45cm3のサンプルを使用し、NOVASINA 155 Model NTM−S濁度プローブを用い、コロイド状物質によって生じた濁度を分析した。測定は、液相から固体物質を(例えば、濾過によって)分離することによって得られたサンプルの液体水相で行われた。この装置は、光ファイバープローブを介して近赤外スペクトルの光を伝搬し、発生する光線は、懸濁物中の小さな粒子によって散乱する。プローブ中の平行の光ファイバーによって、180°裏側に散乱した光を集め、光ダイオードに集光させる。得られたシグナルを増幅し、入射光の経路から方法特定の角度で、懸濁した粒子によって散乱、減衰、または吸収された、合成化学的に調製された標準と比較した、特定の波長の光の強度であると定義されるネフェロ分析濁度単位(NTU)で直接表示する。周囲の光からの干渉は、調整された透過シグナルの適用によって除外され、光が入り込めないサンプル取り扱いシステムの必要がない。
2cm3のサンプルを使用し、化学的酸素要求量(COD)分析を行い、水性媒体中の全有機物含有量の値を得る。測定は、液相から固体物質を(例えば、濾過によって)分離することによって得られたサンプルの液体水相で行われた。COD分析は、有機材料を酸化してCO2にするのに必要な酸素の量をあらわし、Lange CSB LCK 014を用い、1000〜10000mgdm−3の範囲で、LASA 1/plusキュベットを用いて測定された。
SCD滴定は、懸濁物中の溶解した物質およびコロイド状物質の全電気化学的電荷を測定し、Mutek PDC−03装置によって評価された。
<TMPサンプル>
サンプル中の炉乾燥(100℃)した繊維の合計重量を基準として、70重量%のトウヒからなり、残量がモミと少量のマツで構成されるTMPサンプルを、スクリーンの後、漂白工程の前に、スイスのペーパーミルから集めた。このTMPサンプルを95℃の温度で集めた。濃度は2.3%であり、pHは6.5であった。このサンプルを一晩かけて室温(rt)まで冷却し、2μmフィルターで濾過し、すべての微粒子および繊維を除去した。濾過後の光学顕微鏡評価から、繊維の存在は見られなかった。このTMP濾液は、pHが7.0、導電性が1.27mS/cm、濁度が490NTUであった。電解質濃度および組成を表1に示す。
偏三角面体晶PCC、コロイド状PCCおよびタルク(Finntalc P05、Mondo Minerals、オランダ)を吸着材料として試験した。これらの特性を表2に列挙している。
上述の濾過の後、TMP濾液をプラスチック瓶に入れ、対応する吸着材料を、化学物質を含まないスラリーの形態で加えた。吸着材料の使用量は、1から50g/L TMP濾液になるように選択された。一連の試験で同じ希釈度を得るために、鉱物の含有量が低いサンプルについては、吸着材料のスラリーから加えられた水を、さらなる水によって同じ水準にした。上述の瓶を振り混ぜることによって十分に混合し、次いで、蓋を閉じて2時間攪拌した。その後、この懸濁物を2580rpmで遠心分離処理した。固体と液相を分離し、濁度、COD、重量分析、pH、導電性、SCDおよびイオン(Ca2+、Mg2+、Cl−、SO4 2−)について、上側の液相を分析した。
図3からわかるように、タルクは、pHに与える影響が最も小さかった。pHは、7から7.7へと上昇した。pHは、cPCCおよびsPCCのときに大きく上昇した。CPCCは、8.7までの最も大きな上昇を示した。
Claims (15)
- 水性媒体中の少なくとも1種類の有機材料を吸着および/または水性媒体中の少なくとも1種類の有機材料の量を低減するための、コロイド状沈降炭酸カルシウム(cPCC)の使用であって、前記cPCCが、窒素とBET法を用いて測定した比表面積が少なくとも5.0m2/gである、使用。
- 前記cPCCが、窒素とBET法を用いて測定した比表面積が、5.0m2/gから200.0m2/g、好ましくは、10.0m2/gから100.0m2/g、最も好ましくは、15.0m2/gから50.0m2/gである、請求項1に記載の使用。
- 前記cPCCが、沈降法に従って測定した重量メディアン粒径d50値が、0.1から50.0μm、好ましくは、0.2から25.0μm、さらに好ましくは、0.3から10.0μm、最も好ましくは、0.4から5.0μmの凝集体を含む、請求項1または2に記載の使用。
- 前記cPCC凝集体が、沈降法に従って測定した重量メディアン粒径d50値が、0.01から5.0μm、好ましくは、0.02から2.5μm、さらに好ましくは、0.03から1.0μm、最も好ましくは、0.04から0.5μmの単結晶からなる、請求項3に記載の使用。
- 前記cPCCが、粉末形態であるか、または前記cPCCを含み、20℃(±1℃)で測定したpHが6.0以上の水性懸濁物の形態である、請求項1から4のいずれか一項に記載の使用。
- 前記cPCCが、
(a)総炭素原子量がC4からC24の、少なくとも1種類の脂肪族カルボン酸、好ましくは、ステアリン酸で表面処理されているか、および/または
(b)1種類以上の分散剤、好ましくは、1種類以上のカチオン性および/またはアニオン性の分散剤で安定化されている、請求項1から5のいずれか一項に記載の使用。 - 前記cPCCが、タルク、カオリン、焼成カオリン、大理石、白亜、方解石、石灰岩および苦灰石から選択される天然炭酸カルシウム、非コロイド状PCC、石膏、ケイ酸塩を含有する鉱物、水酸化物を含有する鉱物、スルホアルミン酸カルシウム、プラスチック粒子、有機顔料、表面が反応した炭酸カルシウム、疎水化GCC、疎水化PCCならびにこれらの混合物、好ましくは、タルク、表面が反応した炭酸カルシウム、疎水化GCC、疎水化PCCおよびこれらの混合物、を含む群から選択される少なくとも1種類のさらなる吸着材料と組み合わせて使用される、請求項1から6のいずれか一項に記載の使用。
- 前記少なくとも1種類のさらなる吸着材料の量が、cPCCと前記少なくとも1種類のさらなる吸着材料の合計乾燥重量を基準として、25.0重量%以下、好ましくは、10.0重量%以下、さらに好ましくは、5.0重量%以下、最も好ましくは、2.0重量%以下である、請求項7に記載の使用。
- 少なくとも1種類の有機材料を含む前記水性媒体が、製紙またはパルプ製造工程で作られ、好ましくは、前記水性媒体が、漂白されたパルプおよび未漂白パルプ、例えば、メカニカルパルプ、砕木パルプ、サーモメカニカルパルプ(TMP)、ケモサーモメカニカルパルプ(CTMP)、クラフトパルプ、硫酸塩パルプ、再生パルプおよびこれらの混合物から選択される、請求項1から8のいずれか一項に記載の使用。
- 前記水性媒体中の前記少なくとも1種類の有機材料が、製紙、パルプ製造または紙再生工程で作られる、少なくとも1種類の溶解した材料および/またはコロイド状材料である、請求項1から9のいずれか一項に記載の使用。
- 前記少なくとも1種類の溶解した材料および/またはコロイド状材料が、
(a)木材および/または木材レジンに由来し、好ましくは、多糖類、例えば、ヘミセルロース類、リグニン、デンプンおよびペクチン類、樹脂酸類、脂肪類、脂肪酸類、脂肪族アルコール類、テルペン類、テルペノイド類、ポリイソプレン類、ステロール類、ステリルエステル類、ワックス類ならびにこれらの混合物を含む群から選択され、および/または
(b)紙コーティング、コーティングバインダー、印刷インク、脱墨性化学物質、ホットメルトおよび/または接着剤に由来する、請求項10に記載の使用。 - 前記cPCCが、前記水性媒体中の炉乾燥(100℃)した繊維の合計重量を基準として、0.05から90.0重量%、好ましくは、0.1から50.0重量%、さらに好ましくは、0.25から25.0重量%、さらになお好ましくは、0.5から10.0重量%、最も好ましくは、0.5から5.0重量%の量で前記水性媒体に添加される、請求項1から11のいずれか一項に記載の使用。
- 前記水性媒体中の前記少なくとも1種類の有機材料が、少なくとも1種類の内分泌攪乱化合物(EDC)であり、好ましくは、前記少なくとも1種類のEDCは、17β−エストラジオール(E2)、エストロン(E1)、エストリオール(E3)、テストステロンまたはジヒドロテストステロンのような内因性ホルモン;β−シトステロール、ゲニステイン、ダイゼインまたはゼラレオン(zeraleon)のようなフィトホルモンおよびマイコホルモン;17α−エチニルエストラジオール(EE2)、メストラノール(ME)、ジエチルスチルベストロール(DES)のような薬物および4−ノニルフェノール(NP)、A−tert−オクチルフェノール(OP)、ビスフェノールA(BPA)、トリブチルスズ(TBT)、メチル水銀、フタレート類、PAKまたはPCBのような工業的な化学物質を含む群から選択される、請求項1から8のいずれか一項に記載の使用。
- 前記cPCCの添加後に、
(a)前記水性媒体の濁度が、前記cPCCを使用しない水性媒体の濁度と比較して、低下しているか、および/または
(b)前記水性媒体の化学的酸素要求量(COD)が、前記cPCCを使用しない水性媒体のCODと比較して、低下しているか、および/または
(c)前記水性媒体の電気化学的電荷(SCD)が、前記cPCCを使用しない水性媒体の電気化学的電荷と比較して、増加している、請求項1から13のいずれか一項に記載の使用。 - 前記水性媒体が、少なくとも10g/L水性媒体の量の前記cPCCを添加した後、
(a)濁度が、初期濁度、即ち、前記cPCCを添加する前の前記水性媒体の濁度(NTU)より少なくとも20%、好ましくは、少なくとも40.0%、さらに好ましくは、少なくとも50.0%、さらになお好ましくは、少なくとも75.0%、最も好ましくは、少なくとも90.0%低く、および/または
(b)化学的酸素要求量(COD)が、初期COD、即ち、前記cPCCを添加する前の前記水性媒体のCOD(mg/L)よりも少なくとも1.0%、好ましくは、少なくとも5.0%、さらに好ましくは、少なくとも10.0%、さらになお好ましくは、少なくとも15.0%、なおさらに好ましくは、少なくとも20.0%、最も好ましくは、少なくとも50.0%低く、および/または
(c)電気化学的電荷(SCD)が、初期電気化学的電荷、即ち、前記cPCCを添加する前の前記水性媒体の電気化学的電荷(μEq/g)よりも少なくとも5%、好ましくは、少なくとも15.0%、さらに好ましくは、少なくとも20.0%、さらになお好ましくは、少なくとも25.0%、最も好ましくは、少なくとも50.0%高い、請求項1から14のいずれか一項に記載の使用。
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RU2648112C1 (ru) | 2018-03-22 |
EP2933375A1 (en) | 2015-10-21 |
HRP20190392T1 (hr) | 2019-05-17 |
CN106232527B (zh) | 2020-03-06 |
CA2944098A1 (en) | 2015-10-22 |
AU2015248940A1 (en) | 2016-10-13 |
KR101998936B1 (ko) | 2019-07-10 |
AU2015248940B2 (en) | 2017-04-20 |
WO2015158657A1 (en) | 2015-10-22 |
BR112016023731B1 (pt) | 2022-02-08 |
KR20160142339A (ko) | 2016-12-12 |
CA2944098C (en) | 2019-08-27 |
ES2716604T3 (es) | 2019-06-13 |
SG11201608096XA (en) | 2016-10-28 |
JP2019048296A (ja) | 2019-03-28 |
US20170174533A1 (en) | 2017-06-22 |
CN106232527A (zh) | 2016-12-14 |
SI2933375T1 (sl) | 2019-07-31 |
EP3132090A1 (en) | 2017-02-22 |
US10046984B2 (en) | 2018-08-14 |
EP2933375B1 (en) | 2018-12-19 |
JP6726623B2 (ja) | 2020-07-22 |
MX2016013534A (es) | 2017-02-14 |
BR112016023731A2 (pt) | 2017-08-15 |
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