BRPI0701465A2 - cement composites produced from waste from the paper industry - Google Patents

cement composites produced from waste from the paper industry

Info

Publication number
BRPI0701465A2
BRPI0701465A2 BRPI0701465-1A BRPI0701465A BRPI0701465A2 BR PI0701465 A2 BRPI0701465 A2 BR PI0701465A2 BR PI0701465 A BRPI0701465 A BR PI0701465A BR PI0701465 A2 BRPI0701465 A2 BR PI0701465A2
Authority
BR
Brazil
Prior art keywords
waste
paper industry
structural
residue
production
Prior art date
Application number
BRPI0701465-1A
Other languages
Portuguese (pt)
Inventor
Adriana Maria Nolasco
De Paiva Samantha Nazare
Original Assignee
Univ Sao Paulo
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 Univ Sao Paulo filed Critical Univ Sao Paulo
Priority to BRPI0701465-1A priority Critical patent/BRPI0701465A2/en
Publication of BRPI0701465A2 publication Critical patent/BRPI0701465A2/en

Links

Classifications

    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

Landscapes

  • Treatment Of Sludge (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

COMPàSITOS CIMENTÍCIOS PRODUZIDOS A PARTIR DE RESÍDUOS DA INDéSTRIA DE PAPEL. Descreve-se um compósito cimentício com lodo de ETE (Estação de Tratamento de Efluentes) de indústria de papel, o qual apresenta características físicas e mecânicas adequadas para uso na produção de componentes empregados na construção civil. O resíduo é classificado como Classe II, ou seja, resíduo não inerte e com grande potencial de aproveitamento (NBR 10004, 2004) . Os usos indicados para o compósito são na produção de blocos com e sem função estrutural, pisos intertravados, painéis estruturais e divisórios, placas para forro, isolamento termoacústico. Em materiais com função estrutural recomenda-se a adição de no máximo 10% de resíduo em relação a argamassa (em massa) . Para os materiais não estruturais pode se utilizar até 50% de resíduo.CIMENTARY COMPANIES PRODUCED FROM PAPER INDUSTRY WASTE. A paper industry wastewater treatment plant (ETE) sludge cementitious composite is described, which presents physical and mechanical characteristics suitable for use in the production of components used in civil construction. The waste is classified as Class II, ie non-inert waste with great potential for utilization (NBR 10004, 2004). The uses indicated for the composite are in the production of blocks with and without structural function, interlocking floors, structural panels and partitions, ceiling tiles, thermo-acoustic insulation. In materials with structural function, it is recommended to add a maximum of 10% of residue in relation to mortar (by mass). For non-structural materials up to 50% residue may be used.

BRPI0701465-1A 2007-04-19 2007-04-19 cement composites produced from waste from the paper industry BRPI0701465A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0701465-1A BRPI0701465A2 (en) 2007-04-19 2007-04-19 cement composites produced from waste from the paper industry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BRPI0701465-1A BRPI0701465A2 (en) 2007-04-19 2007-04-19 cement composites produced from waste from the paper industry

Publications (1)

Publication Number Publication Date
BRPI0701465A2 true BRPI0701465A2 (en) 2008-12-02

Family

ID=40535698

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0701465-1A BRPI0701465A2 (en) 2007-04-19 2007-04-19 cement composites produced from waste from the paper industry

Country Status (1)

Country Link
BR (1) BRPI0701465A2 (en)

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Legal Events

Date Code Title Description
B03A Publication of an application: publication of a patent application or of a certificate of addition of invention
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE A 8A ANUIDADE.

B08G Application fees: restoration
B07A Technical examination (opinion): publication of technical examination (opinion)
B09B Decision: refusal
B12B Appeal: appeal against refusal