IT1024741B - Procedimento e dispositivo per il trattamento dei fanghi contenenti idrossidi metallici - Google Patents

Procedimento e dispositivo per il trattamento dei fanghi contenenti idrossidi metallici

Info

Publication number
IT1024741B
IT1024741B IT70235/74A IT7023574A IT1024741B IT 1024741 B IT1024741 B IT 1024741B IT 70235/74 A IT70235/74 A IT 70235/74A IT 7023574 A IT7023574 A IT 7023574A IT 1024741 B IT1024741 B IT 1024741B
Authority
IT
Italy
Prior art keywords
procedure
treatment
containing metallic
sludge containing
metallic hydroxides
Prior art date
Application number
IT70235/74A
Other languages
English (en)
Original Assignee
System Ab Infoteknik
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by System Ab Infoteknik filed Critical System Ab Infoteknik
Application granted granted Critical
Publication of IT1024741B publication Critical patent/IT1024741B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/126—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using drum filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/18—Heating or cooling the filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/044—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are pervious for filtering
    • B01D33/048—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are pervious for filtering with endless filtering bands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/44—Regenerating the filter material in the filter
    • B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/004—Sludge detoxification
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • C02F11/131—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating using electromagnetic or ultrasonic waves
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/06—Infrared

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Treatment Of Sludge (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
IT70235/74A 1973-11-05 1974-10-31 Procedimento e dispositivo per il trattamento dei fanghi contenenti idrossidi metallici IT1024741B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7314962A SE384199B (sv) 1973-11-05 1973-11-05 Metod och anleggning for att kontinuerligt omvandla giftig metallhydroxid i slam till ett pulver eller en kornartad produkt, som foretredesvis er ogiftig

Publications (1)

Publication Number Publication Date
IT1024741B true IT1024741B (it) 1978-07-20

Family

ID=20319004

Family Applications (1)

Application Number Title Priority Date Filing Date
IT70235/74A IT1024741B (it) 1973-11-05 1974-10-31 Procedimento e dispositivo per il trattamento dei fanghi contenenti idrossidi metallici

Country Status (10)

Country Link
US (1) US3960725A (it)
JP (1) JPS50105597A (it)
BE (1) BE821820A (it)
CA (1) CA1069302A (it)
DE (1) DE2452084A1 (it)
FR (1) FR2249837B1 (it)
GB (1) GB1473595A (it)
IT (1) IT1024741B (it)
NL (1) NL174071C (it)
SE (1) SE384199B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5279637A (en) * 1990-10-23 1994-01-18 Pcl Environmental Inc. Sludge treatment system
US5557873A (en) * 1990-10-23 1996-09-24 Pcl/Smi, A Joint Venture Method of treating sludge containing fibrous material
US5428906A (en) * 1990-10-23 1995-07-04 Pcl Environmental, Inc. Sludge treatment system
DE19641201C2 (de) * 1996-09-25 2002-05-08 Cornelia Baldauf Verfahren zur kontinuierlichen Trocknung von Klärschlamm
US6846422B2 (en) * 2002-04-17 2005-01-25 K2M Mobile Treatment Services, Inc. Sludge stripping process and system
KR100715093B1 (ko) * 2005-12-30 2007-05-07 (주) 빛과환경 오염수의 처리와 동반하여, 응집제로서 첨가된 가수분해성금속화합물로부터 유·무기원소-도핑 금속산화물을 회수하는방법
WO2014055723A1 (en) * 2012-10-04 2014-04-10 University Of Florida Research Foundation, Inc. Electrokinetic dewatering of phosphatic clay suspensions
CN107058743A (zh) * 2017-04-12 2017-08-18 广东工业大学 一种工业涂装废水回收锌粉的方法与应用
CN107376464A (zh) * 2017-07-31 2017-11-24 浙江智海化工设备工程有限公司 一种气化装置捞渣机的渣水真空分离装置
CN112645560A (zh) * 2020-12-21 2021-04-13 西安西热控制技术有限公司 一种火电厂污泥处理系统
CN114293015B (zh) * 2021-12-06 2023-05-09 生态环境部华南环境科学研究所 一种用于电镀污泥重金属提取回收的提取方法及其设备

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2096176A (en) * 1931-12-03 1937-10-19 Harrington Joseph Apparatus for drying and destroying sewage
US2413420A (en) * 1940-02-26 1946-12-31 Thermo Plastics Corp Method and apparatus for dispersing or drying fluent material in high velocity elastic fluid jets
US2487600A (en) * 1945-10-09 1949-11-08 Sharp & Dohme Inc Aqueous thixotropic gel composition
US2559441A (en) * 1946-05-04 1951-07-03 Edwin G Judd Rotary drum reactor
US2542743A (en) * 1947-01-25 1951-02-20 Johns Manviile Corp Method of purifying and clarifying water
US2570532A (en) * 1947-09-05 1951-10-09 Eisenberg Aluminum hydroxide-magnesium phosphate pharmaceutical composition, method therefor, and thixotropy thereof
US3163598A (en) * 1961-12-05 1964-12-29 Glascock Downing And Seebold Method for disposal of industrial waste water
US3395221A (en) * 1965-04-15 1968-07-30 Warner Lambert Pharmaceutical Gel froming aluminum hydroxide
US3575854A (en) * 1969-04-14 1971-04-20 M & T Chemicals Inc Rapid setiling of gelatinous precipitates
US3559807A (en) * 1969-06-26 1971-02-02 Bertram B Reilly Sewage treating apparatus and method

Also Published As

Publication number Publication date
NL174071B (nl) 1983-11-16
DE2452084A1 (de) 1975-07-03
BE821820A (fr) 1975-03-03
CA1069302A (en) 1980-01-08
JPS50105597A (it) 1975-08-20
SE384199B (sv) 1976-04-26
AU7495474A (en) 1976-05-06
NL7414176A (nl) 1975-05-07
NL174071C (nl) 1984-04-16
FR2249837A1 (it) 1975-05-30
US3960725A (en) 1976-06-01
GB1473595A (en) 1977-05-18
FR2249837B1 (it) 1978-06-09
SE7314962L (it) 1975-05-06

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