WO2009059494A1 - Procédé de traitement des résidus issus de la combustion et de la désulfuration des fèces d'huiles - Google Patents
Procédé de traitement des résidus issus de la combustion et de la désulfuration des fèces d'huiles Download PDFInfo
- Publication number
- WO2009059494A1 WO2009059494A1 PCT/CN2008/001396 CN2008001396W WO2009059494A1 WO 2009059494 A1 WO2009059494 A1 WO 2009059494A1 CN 2008001396 W CN2008001396 W CN 2008001396W WO 2009059494 A1 WO2009059494 A1 WO 2009059494A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- waste residue
- main raw
- raw material
- desulfurization
- additive
- Prior art date
Links
Classifications
-
- 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
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/10—Burned or pyrolised refuse
-
- 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 a method for producing a building material, and more particularly to a method for forming a brick or a block of industrial waste produced by burning and desulfurizing oil slag produced by large oil refining.
- the object of the present invention is to solve the problem that the industrial waste residue formed after desulfurization of oil residue combustion can not be fundamentally processed and applied for a long time, and a method for manufacturing bricks or blocks by using the industrial waste residue is proposed, and the large refinery is produced by the method.
- the industrial waste has been treated and applied in practice, and it has played a positive role in environmental protection and resource conservation.
- the invention is realized by the following technical solutions: a method for treating waste residue after desulfurization of petroleum oil residue, the method fully reacting the main raw material with the additive by dry mixing and stirring the main raw material, and then slowly pouring the additive and stirring. , wherein the raw materials and formula of the treatment method are:
- Raw materials waste residue after desulfurization of oil residue, including bottom slag;
- Mass ratio 100% of the main raw material, the mass ratio of the additive, that is, the dilute sulfuric acid solution to the main raw material is 0.06 ⁇ 0.6.
- the main raw materials may be all bottom slag, or may be composed of fly ash and bottom slag, wherein the mass ratio of fly ash to bottom slag is 0 ⁇ 2.
- the additive is added to the main raw material, it is further stirred for 2 to 10 minutes to sufficiently react the main raw material and the additive.
- the material after the reaction is cast in a mold, shaken and molded, and dried naturally to obtain bricks or blocks after demolding, and the number of days of natural drying after demolding is 7 to 15 days. Winter is short.
- gypsum may be added to the main raw material, wherein the mass ratio of the gypsum to the main raw material is 0 ⁇ ], and the main raw materials and additives are fully confirmed.
- the material obtained after the reaction is cast in a mold, shaken and molded, and demolded to form a gypsum block.
- sand or perlite particles to the main material, wherein the mass ratio of the sand to the main raw material is 0 to 4, and the mass of the added sand or perlite particles is small, that is, 0% of the mass of the main raw material.
- the hollow ratio of the block can be increased; when the quality of the added sand or perlite particles is larger, that is, 2 to 4 times the mass of the main raw material, the main raw material, sand or pearl
- the material that has been fully reacted with the rock particles and the additive can be used as a plastering mortar for the wall.
- the beneficial effects of the invention are as follows: since the main component of the fly ash and the bottom slag is anhydrous calcium sulfate CaS0 4 , followed by calcium oxide CaO, when an additive, that is, a dilute sulfuric acid solution, is added to the fly ash and the waste residue, the calcium oxide CaO is firstly The water in the dilute sulfuric acid solution reacts, it has a certain basicity, and the nature of the substance is very unstable, so it will react with the sulfuric acid in the dilute sulfuric acid solution to form a neutralization reaction, gp:
- the content of CaS0 4 ⁇ 2H 2 0 gypsum in the material can reach more than 75%.
- the calcium oxide CaO of the industrial waste can be made. Not completely neutralized, that is, 10% ⁇ 20% of CaO remains in the waste residue, or the calcium oxide CaO is completely neutralized.
- the specific addition amount of the dilute sulfuric acid solution needs to be based on the concentration of the sulfuric acid solution and the CaO in the industrial waste residue. The specific content is determined. If 10% to 20% of Ca0 is left in the material, the compressive strength and water erosion resistance of the finished brick or block can be increased. If the calcium oxide CaO in the industrial waste is completely neutralized, the resulting brick or block will have a low compressive strength, and all aspects of the performance will be affected.
- the MgO in the waste residue also reacts with the sulfuric acid H 2 S0 4 in the additive to form MgS0, but since the content of MgO in the waste residue is very small, the stability of the material is not greatly affected, and other components in the waste residue are It is made of 80 (TC high temperature firing, high stability, and low content, does not react with sulfuric acid S0 4 , so it does not have much influence on the strength and stability of gypsum building materials.
- the hollow slag after the desulfurization of petroleum slag combustion is treated by the method of the invention has high flexural and compressive strength, and has the breathability and water resistance of the gypsum building material, and The strength loss of the block after water absorption is small, and the quality is light, and the density does not exceed 700kg/m :i .
- the bricks or blocks are made of lightweight construction materials.
- the external exposure index is 1. 2, the external exposure index is 1. 0.
- the external exposure index is 1. 2, the external exposure index is 1. 5, the relative water content of 33%, have met the specified technical requirements.
- the gypsum block made of gypsum added to the main raw material has a short initial setting time and high strength; the mortar made of sand or perlite particles added to the main raw material has high strength and is not easy to crack. And its adhesion ability is stronger; more importantly,
- the method provided by the invention fundamentally solves the problem of processing and application of industrial waste generated by refining and chemical enterprises, improves the comprehensive utilization rate of waste, reduces the use of natural resources, realizes circular economy, and saves energy and reduces emissions. It has a positive impact on environmental protection; it saves investment and reduces the production cost of building bricks or blocks.
- the fly ash and the bottom slag are mixed in a ratio of 7:10 by weight, and the fly ash and the bottom slag constitute the main raw material, and then the sand containing the main raw material is 1.5%, and the fly ash and the bottom slag are added. Dry mixed with sand and evenly stirred by machine.
- Add the additive to the main raw material during the continuous stirring process that is, the diluted sulfuric acid solution with a concentration of 8 %, and the quality of the diluted sulfuric acid solution added is about 40% of the total weight of the main raw material.
- the stirring speed is accelerated while adding the dilute sulfuric acid solution.
- stirring is continued for about 5 minutes to fully react the additive with the main raw material. After the reaction, about 15% of the CaO remains in the main raw material and remains in the material formed after the reaction.
- the formed wet material is poured into the mold of the brick making machine. Since the initial setting time of the material is 2 hours, it is prepared by shaking and molding the wet material before the initial setting of the material.
- the reaction of the waste residue with sulfuric acid can also be carried out by first adding water to the waste residue and stirring uniformly to sufficiently react CaO in the water and the waste residue, and then adding H 2 S0 4 sulfuric acid thereto.
- the method can also be made into bricks or blocks, but the presence of sulfuric acid does not uniformly react with the waste residue, resulting in defects in the performance of the fabricated brick or block, and the process is complicated and not suitable for industrial production.
- the concentration of the diluted sulfuric acid solution is added. It is preferably 5% to 10%, and its mass is about 35% to 40% of the total weight of the main raw material. It is of course also possible to increase the concentration of the dilute sulfuric acid solution so that the sulfuric acid S0. is sufficiently reacted with CaO in the industrial waste, but the strength and hardness of the produced brick or block are poor.
- the gypsum block is characterized by a short initial setting time and a high strength. The more the amount of gypsum added to the main raw material, the shorter the initial setting time, so the amount of gypsum added can be determined based on the initial setting time.
- the wet material formed after the end of the agitation can be used as a plastering mortar for the wall.
- the mortar is high in strength, similar to cement, and is not easy to crack, and its adhesion ability is stronger than cement.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ceramic Engineering (AREA)
- Combustion & Propulsion (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010532403A JP2011502754A (ja) | 2007-11-08 | 2008-07-31 | 石油残渣の燃焼脱硫後の廃棄物残渣処理方法 |
US12/678,178 US20100193986A1 (en) | 2007-11-08 | 2008-07-31 | Processing method for waste residue produced by burning and desulfurizing oil dregs |
MX2010005153A MX2010005153A (es) | 2007-11-08 | 2008-07-31 | Metodo de procesamiento de residuos productos por la desulfuracion y combustion de residuos de petroleo. |
EP08783586A EP2221283A4 (en) | 2007-11-08 | 2008-07-31 | PROCESSING METHOD FOR BURNING AND DISSOLVING OIL RESIDUES IF WASTE RESIDUE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200710114181.0 | 2007-11-08 | ||
CN2007101141810A CN101182153B (zh) | 2007-11-08 | 2007-11-08 | 石油油渣燃烧脱硫后的废渣处理方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009059494A1 true WO2009059494A1 (fr) | 2009-05-14 |
Family
ID=39447594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2008/001396 WO2009059494A1 (fr) | 2007-11-08 | 2008-07-31 | Procédé de traitement des résidus issus de la combustion et de la désulfuration des fèces d'huiles |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100193986A1 (zh) |
EP (1) | EP2221283A4 (zh) |
JP (1) | JP2011502754A (zh) |
CN (1) | CN101182153B (zh) |
MX (1) | MX2010005153A (zh) |
WO (1) | WO2009059494A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101913846B (zh) * | 2010-08-11 | 2012-05-23 | 昆明理工大学 | 一种用煤泥磷石膏冶金废渣合成陶粒的方法 |
JP6364692B2 (ja) * | 2014-02-28 | 2018-08-01 | 小松精練株式会社 | 融雪用ブロック |
CN107352928B (zh) * | 2017-07-19 | 2020-07-24 | 湖南云中再生科技股份有限公司 | 基于碱激发的赤泥-粉煤灰高强保温砌块及其制备方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1193654A (zh) * | 1998-02-13 | 1998-09-23 | 陈钦道 | 一种简易石油酸渣处理方法 |
CN1195018A (zh) * | 1997-03-28 | 1998-10-07 | 武汉市洪山区科隆新技术开发部 | 一种新的石油产品脱氮废渣的处理方法 |
CN1303822A (zh) * | 2000-01-12 | 2001-07-18 | 湖南宇宙环保工程有限公司 | 油性废渣的处理方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT3031B (de) * | 1895-06-14 | 1900-12-27 | Jacob Nill | Herstellung einer künstlichen Steinmasse aus Gips und Kalk mittelst schwefliger Säure oder Sulfiten. |
US1937028A (en) * | 1930-04-16 | 1933-11-28 | Koppers Co Delaware | Method and apparatus for making refractory bricks |
JPS6081051A (ja) * | 1983-10-07 | 1985-05-09 | 富士不燃建材工業株式会社 | 石炭灰硬化体製ボードの製造方法 |
US5358760A (en) * | 1993-06-14 | 1994-10-25 | Earl Richhart | Process for producing solid bricks from fly ash, bottom ash, lime, gypsum, and calcium carbonate |
CN1640843A (zh) * | 2004-01-09 | 2005-07-20 | 上海市建筑科学研究院 | 以脱硫灰渣为缓凝剂的水泥的制造方法 |
CN1326799C (zh) * | 2006-06-14 | 2007-07-18 | 南京大学 | 利用cfbc脱硫灰生产的砌筑水泥 |
CN100396635C (zh) * | 2006-09-11 | 2008-06-25 | 山东大学 | 利用脱硫灰烧成硫铝酸盐水泥的方法 |
US20080264301A1 (en) * | 2007-04-25 | 2008-10-30 | Marc Porat | Coal combustion product cements and related methods of production |
-
2007
- 2007-11-08 CN CN2007101141810A patent/CN101182153B/zh not_active Expired - Fee Related
-
2008
- 2008-07-31 JP JP2010532403A patent/JP2011502754A/ja active Pending
- 2008-07-31 US US12/678,178 patent/US20100193986A1/en not_active Abandoned
- 2008-07-31 WO PCT/CN2008/001396 patent/WO2009059494A1/zh active Application Filing
- 2008-07-31 EP EP08783586A patent/EP2221283A4/en not_active Withdrawn
- 2008-07-31 MX MX2010005153A patent/MX2010005153A/es unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1195018A (zh) * | 1997-03-28 | 1998-10-07 | 武汉市洪山区科隆新技术开发部 | 一种新的石油产品脱氮废渣的处理方法 |
CN1193654A (zh) * | 1998-02-13 | 1998-09-23 | 陈钦道 | 一种简易石油酸渣处理方法 |
CN1303822A (zh) * | 2000-01-12 | 2001-07-18 | 湖南宇宙环保工程有限公司 | 油性废渣的处理方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101182153A (zh) | 2008-05-21 |
EP2221283A1 (en) | 2010-08-25 |
JP2011502754A (ja) | 2011-01-27 |
EP2221283A4 (en) | 2011-07-20 |
CN101182153B (zh) | 2010-06-16 |
MX2010005153A (es) | 2010-05-20 |
US20100193986A1 (en) | 2010-08-05 |
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