WO1998057904A1 - Interior building material made from paper-mill sludge and method for manufacturing the same - Google Patents

Interior building material made from paper-mill sludge and method for manufacturing the same Download PDF

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Publication number
WO1998057904A1
WO1998057904A1 PCT/KR1998/000163 KR9800163W WO9857904A1 WO 1998057904 A1 WO1998057904 A1 WO 1998057904A1 KR 9800163 W KR9800163 W KR 9800163W WO 9857904 A1 WO9857904 A1 WO 9857904A1
Authority
WO
WIPO (PCT)
Prior art keywords
parts
paper
weight
mill sludge
building
Prior art date
Application number
PCT/KR1998/000163
Other languages
French (fr)
Inventor
Jong Tae Choi
Original Assignee
Jong Tae Choi
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 Jong Tae Choi filed Critical Jong Tae Choi
Publication of WO1998057904A1 publication Critical patent/WO1998057904A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/26—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor
    • B28B1/265—Producing shaped prefabricated articles from the material by slip-casting, i.e. by casting a suspension or dispersion of the material in a liquid-absorbent or porous mould, the liquid being allowed to soak into or pass through the walls of the mould; Moulds therefor ; specially for manufacturing articles starting from a ceramic slip; Moulds therefor pressure being applied on the slip in the filled mould or on the moulded article in the mould, e.g. pneumatically, by compressing slip in a closed mould
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/18—Waste materials; Refuse organic
    • C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
    • C04B18/241—Paper, e.g. waste paper; Paper pulp
    • C04B18/243—Waste from paper processing or recycling paper, e.g. de-inking sludge
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/4501—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with preformed sheet-like elements
    • C04B41/4503—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with preformed sheet-like elements having an adhesive layer
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • C04B14/10—Clay
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/38—Fibrous materials; Whiskers
    • C04B14/40—Asbestos
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
    • 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

Definitions

  • the present invention relates to an art for
  • interior building material made from paper-mill sludge and a
  • the calcium carbonate may be substituted by 8 - 12 parts by weight of agalmatolite.
  • composition comprising the respective materials,
  • agent in the form of liquid is introduced before further
  • isooctyl alcohol as a defoaming agent 35 parts by
  • the kneaded mixture is poured in the mold which is so
  • the invention comprises, by weight, 35 — 39 parts of
  • the calcium carbonate may be substituted
  • composition formulated as mentioned above is first
  • ethyl silicate as a liquid type curing agent is added and blended. After complete blending, 9 parts by weight of
  • bonding material is spread over the
  • inventive product exhibited the decrease of decibel level over

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Sustainable Development (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Panels For Use In Building Construction (AREA)
  • Finishing Walls (AREA)

Abstract

The present invention relates to an interior building material made from paper-mill sludge and a method for manufacturing the same, which allow the provision of products excellent in quality and strength, when they are implemented as interior decorating material for building, by using paper-mill sludge produced as waste matter during a paper making process in a paper mill. The product according to the invention comprises by weight 35 ∩ 39 parts of paper-mill sludge, 10 ∩ 15 parts of diatomite, 10 ∩ 15 parts of gypsum, 8 ∩ 10 parts of asbestos, 4 ∩ 8 parts of calcium carbonate, 9 ∩ 15 parts of clay, 3 ∩ 8 parts of calcium hydroxide and 3 ∩ 11 parts of silicate.

Description

INTERIOR BUILDING MATERIAL MADE FROM PAPER-MILL
SLUDGE AND METHOD FOR MANUFACTURING THE SAME
Technical Field
The present invention relates to an art for
manufacturing interior decorating material for building by
using paper-mill sludge produced as waste matter during a
paper making process in a paper mill and particularly to an
interior building material made from paper-mill sludge and a
method for manufacturing the same, which allow the provision
of the products excellent in quality and strength when they
are implemented as interior decorating material for building.
Background of the Invention .
Generally, it is true that in the recent years our
environment suffers extraordinarily from pollutants with the
industrial development.
The paper-mill sludges among them pose a serious
problem of contaminating the soil and water besides the
difficulty in its treatment due to its inclusion of various heavy metals in the course of paper-making processes.
Such a conventional paper-mill sludges have been put
to use only limitedly, for example, for fresh egg receiving
plates in a poultry industry, but moreover in a unwelcome
situation on the sanitary ground.
Therefore, most quantity of the produced sludge is
dumped, wherein incinerating method is usually employed,
with the drawback of high treating cost for the necessary
drying before incinerating as well as the danger of air
pollution due to the harmful gases produced during the
burning, while the burying method is hardly thinkable because
of extraordinary treating cost plus the worry of contaminating
the water system and soils.
Generally these paper-mill sludges comprise a large
proportion of residual pulp and various hazardous chemicals
such as Cd, Hg, Pb, H2O2 or the like.
Conventionally the sludge was discharged with the
water content of approximately 65%, with some deviations
depending on the paper mills, but recently the water content
was reduced down to more or less than approximately 40% on the ground of post-treating cost.
As an other significant matter, these paper-mill sludges
contain a part of some powder, a condition on which this
material may be developed to gypsum board substitute to be
used as imitated plywood.
Summary of the Invention
Thus, the present invention which was created to
resolve the above-described conventional drawbacks has its
object in disposing a waste in an advantageous and economic
way and simultaneously to provide a new product by
producing an interior building material through recycling the
paper-mill sludge.
To that end, the product according to the invention
comprises, by weight, 35 - 39 parts of paper-mill sludge, 10 -
15 parts of diatomite, 10 - 15 parts of gypsum, 8 - 10 parts of
asbestos, 4- 8 parts of calcium carbonate, 9 - 15 parts of
clay, 3 -8 parts of calcium hydroxide, and 3 - 1 1 parts of
silicate.
In the above , the calcium carbonate may be substituted by 8 - 12 parts by weight of agalmatolite.
The method for manufacturing the product according to
the present invention, which is composed as described above,
is explained below.
The composition comprising the respective materials,
formulated as above, is transferred by way of a screw
conveyor to a kneader, wherein sufficient blending is
conducted and 26 parts by weight of ethyl silicate, a curing
agent in the form of liquid, is introduced before further
blending. After completion of blending, 9 parts by weight of
isooctyl alcohol as a defoaming agent is added, 35 parts by
weight of industrial water is also added and the resultant
mixture is kneaded immediately before it is transferred to a
metal mold via a screw conveyor.
The kneaded mixture is poured in the mold which is so
configured as to manufacture the product of a definite size
and which has been heated to a temperature of 850°C . At the
metal mold, molding is performed under pressure with a
weight of 550 tons, then flame retardant coating is conducted
by using ammonium dihydrogen phosphate for necessary surface treatment, bonding material is spread over the
surfaces of the raw product through air spraying, paper is
adhered on opposite surfaces of the product for exterior
decoration and finally rapid drying is conducted for about 40
seconds by using a gas heated to about 180°C , to thereby
provide the finished product.
Detailed Description of the Invention
A preferred embodiment of the present invention is
explained as follows.
As described in the foregoing, the product according to
the invention comprises, by weight, 35 — 39 parts of
paper-mill sludge, 10 — 15 parts of diatomite, 10 - 15 parts of
gypsum, 8 - 10 parts of asbestos, 4-8 parts of calcium
carbonate, 9 - 15 parts of clay, 3 -8 parts of calcium
hydroxide, and 3 - 1 1 parts of silicate.
In the above, the calcium carbonate may be substituted
by 8- 12 parts by weight of agalmatolite.
When the content of the sludge is less than 35 parts
by weight, tensile strength is reduced, while both noninflammability and endurance are reduced when 39 parts
by weight is exceeded.
Similarly other components should also be kept below
the upper limit to preserve appropriate tensile strength and
particularly workability and endurance are severely lowered if
calcium carbonate is contained at more than 8 parts by
weight.
Furthermore, the substitution of agalmatolite for the
limestone component would have the effect of enhancing both
the sintering property and the endurance and also a special
advantage because it is known to emit far infrared ray,
supposedly beneficial to health, except for some burden for
a little higher price.
The building product according to the present
invention, which is composed as described above, can be
prepared in accordance with the following steps of process.
The composition formulated as mentioned above is first
transferred to a kneader through a screw conveyor, in which
kneader following complete blending , 26 parts by weight of
ethyl silicate as a liquid type curing agent is added and blended. After complete blending, 9 parts by weight of
isooctyl alcohol as a defoamer is added, and subsequently 35
parts of industrial water is added and rapid kneading is
conducted before the mixture is moved to the metal mold
through screw conveying.
The kneaded mixture as the result of the
above-described step is poured into the metal mold which is
so configured as to manufacture the product of a definite size
and which has been heated to a temperature of 850°C . At the
metal mold, molding is performed under pressure with a
weight of 550 tons, then flame retardant coating is conducted
by using ammonium dihydrogen phosphate for necessary
surface treatment, bonding material is spread over the
surfaces of the raw product through air spraying, paper is
adhered on opposite surfaces of the raw product for exterior
decoration and finally rapid drying is conducted for about 40
seconds by using a gas heated to about 180°C , whereby the
finished product is obtained.
The reduced weight of the building boards according to
the present invention is clarified from the following table of comparison with the conventional ones according to product
specification.
Table
Figure imgf000010_0001
As can be seen from the above table, light weightiness
of products can be realized according to the present
invention, as the weight of the inventive boards is markedly
reduced in relation to the conventional boards.
Moreover, various measurements for physical properties
attested the superiority of the inventive products over the
conventional ones, wherein the tensile strength was 151 .0 psi
for the invention versus 54.9 psi for the conventional art, for
09T specimen, and such important variables as flahing point,
ignition point and melting point also showed the excellence for the invention and specially for soundproofing effect, the
inventive product exhibited the decrease of decibel level over
the conventional one by 8% in the case of 12T thickness and
17% in the case of 9T thickness.
Therefore, the building boards according to the present
invention have the advantages of the reduced cost for raw
material due to the recycled use of paper-mill sludge, the
improved workability and handling due to the reduced weight
and firmness and the increased possibility of providing
diversified products due to the use of metal molds for
manufacture and in addition to them, the excellent
soundabsorbing effect.
Conclusively, the inventive product having the
above-mentioned composition and functions can be prepared
very economically by using the paper-mill sludge which
caused environmental pollution and disposal cost and so was
classified as a waste, and can be used as an excellent
interior decorating product for constructing purpose, which
product provides simplicity in workability and exhibits high
resistance to heat, humidity, fire and sound.

Claims

1. An interior decorating material for building,
comprising, by weight, 35-39 parts of paper-mill sludge, 1
0-15 parts of diatomite, 10-15 parts of gypsum, 8-10
parts of asbestos, 4-8 parts of calcium carbonate, 9-15
parts of clay, 3-8 parts of calcium hydroxide, and 3-11
parts of silicate.
2. The interior decorating material for building,
characterized in that the calcium carbonate is substituted by
8-12 parts by weight of agalmatolite.
3. A method for manufacturing the interior decorating
material for building, characterized in that a composition,
comprising, by weight, 35-39 parts of paper-mill sludge, 1
0-15 parts of diatomite, 10-15 parts of gypsum, 8-10
parts of asbestos, 4-8 parts of calcium carbonate, 9-15
parts of clay, 3-8 parts of calcium hydroxide, and 3-11
parts of silicate, is transferred by way of a screw conveyor to
a kneader, in which sufficient blending is conducted and 26
parts by weight of ethyl silicate, as a curing agent in the
form of liquid, is introduced and blended again, then, following completion of blending, 9 parts by weight of isooctyl
alcohol as a defoaming agent is added, 35 parts by weight of
industrial water is added and the resultant mixture is kneaded
rapidly before it is transferred to a metal mold via a screw
conveyor, wherein the kneaded mixture is poured into the
metal mold which is so configured as to manufacture the
product of a definite size and which has been heated to a
temperature of 850┬░C , and molding is performed under
pressure with a weight of 550 tons, then noninflammability
coating is conducted by using ammonium dihydrogen
phosphate for necessary surface treatment, bonding material
is spread over the surfaces of the raw product through air
spraying, paper is adhered on opposite surfaces of the raw
product for exterior decoration and finally rapid drying is
conducted for about 40 seconds by using a gas heated to
about 180┬░C , to thereby provide the finished product.
PCT/KR1998/000163 1997-06-17 1998-06-16 Interior building material made from paper-mill sludge and method for manufacturing the same WO1998057904A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1997/25206 1997-06-17
KR1019970025206A KR100226101B1 (en) 1997-06-17 1997-06-17 Construction using paper sludge and production thereof

Publications (1)

Publication Number Publication Date
WO1998057904A1 true WO1998057904A1 (en) 1998-12-23

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WO (1) WO1998057904A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011073851A1 (en) * 2009-12-16 2011-06-23 Universidad Tecnologica De Pereira Process for the manufacture of construction materials from cellulosic residues
ITMI20092319A1 (en) * 2009-12-29 2011-06-30 Nav Tek S R L PROCEDURE FOR THE REALIZATION OF FINISHED PRODUCTS FROM WASTE MATERIAL.
CN102276197A (en) * 2011-05-24 2011-12-14 张�杰 Multifunctional environment-friendly diatom ooze wall material and construction method thereof
CN102277794A (en) * 2011-08-04 2011-12-14 大连工业大学 Diatomite environmental-friendly wall paper and preparation method thereof
CN103613328B (en) * 2013-11-23 2015-11-25 营口盼盼环保硅藻材料有限公司 A kind of Ecological diatom ooze decorative wall material

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KR100279858B1 (en) * 1998-06-12 2001-02-01 한창수 Board that emits far infrared ray using waste fiber and paper sludge and its manufacturing method
KR20020040367A (en) * 2000-11-24 2002-05-30 최봉석 yellow soil to main method manufacture of board pan
KR20010069507A (en) * 2001-04-07 2001-07-25 오주희 yellow soil composition
KR100484116B1 (en) * 2001-10-16 2005-04-18 임철웅 Afforestation mixture containing long fibers
KR100814740B1 (en) * 2006-12-07 2008-03-19 백태현 Method for manufacturing the insulating material having sound-proofing effects
KR101068008B1 (en) 2009-01-30 2011-09-26 김영일 The construction material utilizing sludge and its manufacturing method
KR102236837B1 (en) * 2014-06-12 2021-04-06 주식회사 에이유 Powder from paper sludge and a method of producing the same
KR101497027B1 (en) * 2014-07-04 2015-03-02 (주)영우산업 Functional ecostone and manufacturing method of the same
CN105174893B (en) * 2015-09-14 2017-12-05 刘定安 A kind of decorative panel and preparation method thereof
CN109293332A (en) * 2018-11-27 2019-02-01 曲靖师范学院 A kind of diatomite light gypsum mortar
CN109437797A (en) * 2018-12-06 2019-03-08 曲靖师范学院 A kind of slag micropowder modified ardealite mortar
CN110078414A (en) * 2019-03-27 2019-08-02 广州市鑫沁贸易有限公司 A kind of diatom ooze coating

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US5340513A (en) * 1991-12-14 1994-08-23 Sicowa Verfahrenstechnik Fur Baustoffe Gmbh & Co., Kg Process for the production of calcium hydrosilicate bonded shaped articles

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KR900007077B1 (en) * 1988-05-04 1990-09-28 이용복 Hardening composition and method for producing thereof
KR0162618B1 (en) * 1995-02-28 1998-12-15 강한성 Interior panel using soil

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DE3121248A1 (en) * 1980-05-30 1982-06-16 Osakeyhtiö Partek Ab, 21600 Parainen PRODUCTION OF A BUILDING PLATE BY THE REWINDING PROCESS
US5340513A (en) * 1991-12-14 1994-08-23 Sicowa Verfahrenstechnik Fur Baustoffe Gmbh & Co., Kg Process for the production of calcium hydrosilicate bonded shaped articles

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011073851A1 (en) * 2009-12-16 2011-06-23 Universidad Tecnologica De Pereira Process for the manufacture of construction materials from cellulosic residues
ITMI20092319A1 (en) * 2009-12-29 2011-06-30 Nav Tek S R L PROCEDURE FOR THE REALIZATION OF FINISHED PRODUCTS FROM WASTE MATERIAL.
CN102276197A (en) * 2011-05-24 2011-12-14 张�杰 Multifunctional environment-friendly diatom ooze wall material and construction method thereof
CN102276197B (en) * 2011-05-24 2012-09-19 张�杰 Multifunctional environment-friendly diatom ooze wall material and construction method thereof
CN102277794A (en) * 2011-08-04 2011-12-14 大连工业大学 Diatomite environmental-friendly wall paper and preparation method thereof
CN103613328B (en) * 2013-11-23 2015-11-25 营口盼盼环保硅藻材料有限公司 A kind of Ecological diatom ooze decorative wall material

Also Published As

Publication number Publication date
KR19980018145A (en) 1998-06-05
KR100226101B1 (en) 1999-10-15

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