[go: up one dir, main page]

ES438418A1 - Procedimiento para inhibir la deposicion de incrustaciones sobre la superficie de intercambio termico de un evaporador. - Google Patents

Procedimiento para inhibir la deposicion de incrustaciones sobre la superficie de intercambio termico de un evaporador.

Info

Publication number
ES438418A1
ES438418A1 ES438418A ES438418A ES438418A1 ES 438418 A1 ES438418 A1 ES 438418A1 ES 438418 A ES438418 A ES 438418A ES 438418 A ES438418 A ES 438418A ES 438418 A1 ES438418 A1 ES 438418A1
Authority
ES
Spain
Prior art keywords
evaporator
polymer
added
watertreatment
maleic anhydride
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.)
Expired
Application number
ES438418A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WR Grace and Co
Original Assignee
WR Grace and Co
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 WR Grace and Co filed Critical WR Grace and Co
Publication of ES438418A1 publication Critical patent/ES438418A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
ES438418A 1974-06-10 1975-06-10 Procedimiento para inhibir la deposicion de incrustaciones sobre la superficie de intercambio termico de un evaporador. Expired ES438418A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US47801374A 1974-06-10 1974-06-10
US48034974A 1974-06-18 1974-06-18

Publications (1)

Publication Number Publication Date
ES438418A1 true ES438418A1 (es) 1977-05-16

Family

ID=27045757

Family Applications (1)

Application Number Title Priority Date Filing Date
ES438418A Expired ES438418A1 (es) 1974-06-10 1975-06-10 Procedimiento para inhibir la deposicion de incrustaciones sobre la superficie de intercambio termico de un evaporador.

Country Status (4)

Country Link
ES (1) ES438418A1 (es)
GB (1) GB1519512A (es)
IT (1) IT1038850B (es)
NL (1) NL7506874A (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1114978A (en) * 1978-06-15 1981-12-22 Chih M. Hwa Sludge conditioning composition for scale inhibition in water
US4390670A (en) * 1981-02-09 1983-06-28 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
US4710537A (en) * 1981-02-09 1987-12-01 Pfizer Inc. Substantially homogeneous copolymers of acrylic or methacrylic acid and maleic acid
US4547559A (en) * 1981-02-09 1985-10-15 Pfizer Inc. Acrylate/maleate copolymers, their preparation and use as antiscalants
US4326980A (en) * 1981-02-23 1982-04-27 Betz Laboratories, Inc. Acrylic copolymer composition inhibits scale formation and disperses oil in aqueous systems
JPS57168906A (en) * 1981-04-13 1982-10-18 Kao Corp Maleic acid/(meth)acrylic acid copolymer
US4324664A (en) * 1981-04-16 1982-04-13 Betz Laboratories, Inc. Method and composition for treating aqueous mediums
US4479878A (en) * 1982-10-28 1984-10-30 Betz Laboratories, Inc. High calcium tolerant deposit control method
US4589985A (en) * 1984-12-03 1986-05-20 Calgon Corporation Polyelectrolyte and surfactant compositions for controlling alkaline earth metal scales
GB8506615D0 (en) * 1985-03-14 1985-04-17 British Petroleum Co Plc Scale inhibitors
EP0254774B1 (en) * 1986-07-30 1990-09-19 Denac N.V. Method for controlling phosphonates tending to precipitate metal ions in water
US4952324A (en) * 1988-03-15 1990-08-28 Betz Laboratories, Inc. Boiler water treatment
US4828713A (en) * 1988-03-15 1989-05-09 Betz Laboratories, Inc. Boiler water treatment
US4931206A (en) * 1988-03-15 1990-06-05 Betz Laboratories, Inc. Boiler water treatment composition
US5164468A (en) * 1990-09-05 1992-11-17 The Standard Oil Company Polymers derived from α, β-unsaturated polycarboxylic acids or anhydrides and n-substituted acrylamides, and use in reducing scale
FR2723174B1 (fr) * 1994-07-29 1996-09-20 Seb Sa Comprime de vaporisation
US10590010B2 (en) * 2015-11-06 2020-03-17 Solenis Technologies, L.P. Processes for the separation of water from aqueous systems

Also Published As

Publication number Publication date
GB1519512A (en) 1978-07-26
IT1038850B (it) 1979-11-30
NL7506874A (nl) 1975-12-12

Similar Documents

Publication Publication Date Title
ES438418A1 (es) Procedimiento para inhibir la deposicion de incrustaciones sobre la superficie de intercambio termico de un evaporador.
ES457440A1 (es) Procedimiento de preparacion de un agente liquido de trata- miento acuoso para la proteccion de superficies metalicas contra la corrosion.
ES384088A1 (es) Procedimiento para la preparacion de poli(acido maleico).
ES405309A1 (es) Un procedimiento para la preparacion de una composicion de-tergente secada por atomizacion.
JPS5241443A (en) Heat radiating panel
ES441882A1 (es) Procedimiento para eliminar incrustaciones a base de sultadocalcico de la superficie de intercambio termico de un evapo-rador de agua.
ES416062A1 (es) Procedimiento para la deshidratacion de acido maleico.
ES417424A1 (es) Procedimiento y aparato para fabricar polifosfatos de meta-les alcalinos.
ES400350A1 (es) Procedimiento para mejorar las propiedades del yeso fragua-do.
ES420780A1 (es) Procedimiento de preparacion de n-propionil l-hidroxi-4- prolina.
ES228277A1 (es) PROCEDIMIENTO PARA LA PRODUCCIoN DE N-METIL-ALFA-FENILSUCCINIMIDA
GB1438543A (es)
JPS51132106A (en) A pipe in heating furnace
JPS51141852A (en) Process for preparing 1-alkyl-2-naphthols
ES375609A1 (es) Procedimiento de obtencion de una sal calcia del 2 - (p- clorofenoxi)-2-metilpropionico.
JPS51142588A (en) Process for fixing of kefir granules-constituting microorganisms as a lactase source
ES321376A1 (es) Metodo de produccion de acero al silicio forjado.
ES313056A1 (es) Procedimiento para la obtencion de sales terapeuticamente activas del acido tioctico
ES229627A1 (es) PERFECCIONAMIENTOS EN Y RELACIONADOS CON LOS PROCEDIMIENTOS DE FABRICACIoN DE COMPOSICIONES VITRIFICABLES
JPS51135810A (en) Cooling apparatus for high-temperature solids
ES221055A1 (es) UN PROCEDIMIENTO PARA LA OBTENCIoN DE UN NUEVO COMPUESTO DE HIDROQUINONA
JPS51142587A (en) Process for fixing of kefir granules-constituting microorganisms as a lactase source
ES395765A3 (es) Procedimiento para la obtencion de una sal del acido ace- tilsalicilico.
ES235055A1 (es) Procedimiento para la polimerizacion de monomeros o de mezclas de monomeros
ES271039A1 (es) Procedimiento para la preparación de un catalizador soportado para la polimeración estereospecífica de alfa-olefinas en fase gaseosa