CN114466824B - 高浓度铁系絮凝剂及其生产方法 - Google Patents

高浓度铁系絮凝剂及其生产方法 Download PDF

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Publication number
CN114466824B
CN114466824B CN202080068376.XA CN202080068376A CN114466824B CN 114466824 B CN114466824 B CN 114466824B CN 202080068376 A CN202080068376 A CN 202080068376A CN 114466824 B CN114466824 B CN 114466824B
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China
Prior art keywords
concentration
iron
reaction
sulfate
sample
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Chinese (zh)
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CN114466824A (zh
Inventor
桂洋介
伴正宽
户岛达郎
中岛正贵
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Nittetsu Mining Co Ltd
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Nittetsu Mining Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G49/00—Compounds of iron
    • C01G49/14—Sulfates
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
CN202080068376.XA 2019-09-30 2020-09-25 高浓度铁系絮凝剂及其生产方法 Active CN114466824B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019-179191 2019-09-30
JP2019179191A JP7598706B2 (ja) 2019-09-30 2019-09-30 高濃度鉄系凝集剤とその製造方法
PCT/JP2020/036337 WO2021065732A1 (ja) 2019-09-30 2020-09-25 高濃度鉄系凝集剤とその製造方法

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CN114466824A CN114466824A (zh) 2022-05-10
CN114466824B true CN114466824B (zh) 2025-06-20

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JP (1) JP7598706B2 (https=)
KR (1) KR20220069092A (https=)
CN (1) CN114466824B (https=)
MY (1) MY209506A (https=)
TW (1) TWI880961B (https=)
WO (1) WO2021065732A1 (https=)

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KR20250001056A (ko) 2023-06-28 2025-01-06 광주환경공단 철화합물을 이용한 하수처리장치의 황화수소 제거방법

Citations (3)

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CN1109027A (zh) * 1994-11-30 1995-09-27 华南理工大学 聚合硫酸铁的生产新工艺
CN104355336A (zh) * 2014-10-17 2015-02-18 陕西华陆化工环保有限公司 利用硫酸亚铁废渣制备聚合硫酸铁的方法
JP2018008837A (ja) * 2016-07-12 2018-01-18 日鉄鉱業株式会社 ポリ硫酸第二鉄の製造方法及び汚泥焼却炉用固結抑制剤

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DE2430798C3 (de) 1974-06-24 1979-03-29 Siemens Ag, 1000 Berlin Und 8000 Muenchen Anordnung zur Erfassung von Erdschlüssen im Läuferkreis einer schleifringlos über umlaufende Gleichrichter erregten Synchronmaschine
JP2741137B2 (ja) 1992-07-29 1998-04-15 鶴見曹達株式会社 鉄系凝集剤の製造方法
FI97377C (fi) * 1994-02-03 1996-12-10 Kemira Chemicals Oy Menetelmä ferrisulfaatin valmistamiseksi
JP3379204B2 (ja) 1994-04-06 2003-02-24 王子製紙株式会社 鉄系無機凝集剤の製造方法
GB9806187D0 (en) * 1998-03-23 1998-05-20 Imperial College Preparation and uses of mixed metal coagulants
JP3999387B2 (ja) * 1998-12-22 2007-10-31 多木化学株式会社 硫酸第二鉄溶液の製造方法
JP3977533B2 (ja) * 1998-12-25 2007-09-19 多木化学株式会社 硫酸第二鉄溶液の製造方法
JP4815082B2 (ja) * 2001-09-28 2011-11-16 日鉄鉱業株式会社 含鉄硫酸溶液の処理方法
CN101786708A (zh) * 2010-03-01 2010-07-28 株式会社东洋贸易 铁系絮凝剂及其制备方法
CN104071853B (zh) * 2014-07-17 2016-04-20 广西平果锋华科技有限公司 利用废硫酸和硫酸亚铁氧气加压生产聚合硫酸铁的方法
CN104291384A (zh) * 2014-09-28 2015-01-21 攀枝花钢城集团瑞天安全环保有限公司 聚合硫酸铁的生产方法
CN105692717B (zh) * 2016-03-21 2018-08-14 广西福斯特再生资源环保科技有限公司 一种聚合硫酸铁及其制备方法
JP6479132B2 (ja) * 2017-10-23 2019-03-06 キヤノン株式会社 画像形成装置
CN108530936B (zh) * 2018-05-22 2019-08-23 山东午阳化工股份有限公司 对氨基乙酰苯胺清洁化生产工艺

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1109027A (zh) * 1994-11-30 1995-09-27 华南理工大学 聚合硫酸铁的生产新工艺
CN104355336A (zh) * 2014-10-17 2015-02-18 陕西华陆化工环保有限公司 利用硫酸亚铁废渣制备聚合硫酸铁的方法
JP2018008837A (ja) * 2016-07-12 2018-01-18 日鉄鉱業株式会社 ポリ硫酸第二鉄の製造方法及び汚泥焼却炉用固結抑制剤

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Publication number Publication date
JP2021053580A (ja) 2021-04-08
TW202122146A (zh) 2021-06-16
WO2021065732A1 (ja) 2021-04-08
TWI880961B (zh) 2025-04-21
CN114466824A (zh) 2022-05-10
KR20220069092A (ko) 2022-05-26
MY209506A (en) 2025-07-14
JP7598706B2 (ja) 2024-12-12

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