CN106830725B - 水泥六价铬消减剂 - Google Patents
水泥六价铬消减剂 Download PDFInfo
- Publication number
- CN106830725B CN106830725B CN201710093951.1A CN201710093951A CN106830725B CN 106830725 B CN106830725 B CN 106830725B CN 201710093951 A CN201710093951 A CN 201710093951A CN 106830725 B CN106830725 B CN 106830725B
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- CN
- China
- Prior art keywords
- parts
- cement
- hexavalent chromium
- reducing agent
- vinyl imidazole
- 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.)
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Classifications
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- 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
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/38—Preparing or treating the raw materials individually or as batches, e.g. mixing with fuel
- C04B7/42—Active ingredients added before, or during, the burning process
- C04B7/428—Organic materials
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
稳定性 | 0个月ppm | 6个月ppm | |
实施例1 | 6个月 | 0.8 | 2 |
实施例2 | 6个月 | 0.4 | 1.6 |
实施例3 | 6个月 | 0.9 | 1.8 |
实施例4 | 6个月 | 1.1 | 1.9 |
对比例1 | 3个月 | 5.9 | 12.1 |
对比例2 | 2个月 | 4.3 | 11.4 |
对比例3 | 4个月 | 3.5 | 18.2 |
对比例4 | 5个月 | 2.8 | 7.4 |
对比例5 | 1个月 | 14 | 16.15 |
对比例6 | 6个月 | 1.5 | 2.8 |
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710093951.1A CN106830725B (zh) | 2017-02-21 | 2017-02-21 | 水泥六价铬消减剂 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710093951.1A CN106830725B (zh) | 2017-02-21 | 2017-02-21 | 水泥六价铬消减剂 |
Publications (2)
Publication Number | Publication Date |
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CN106830725A CN106830725A (zh) | 2017-06-13 |
CN106830725B true CN106830725B (zh) | 2020-12-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201710093951.1A Active CN106830725B (zh) | 2017-02-21 | 2017-02-21 | 水泥六价铬消减剂 |
Country Status (1)
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CN (1) | CN106830725B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109609131B (zh) * | 2019-01-24 | 2020-06-02 | 中国科学院南京土壤研究所 | 一种用于降低水稻富集镉的铁基调理剂及其制备方法和应用 |
CN110316992B (zh) * | 2019-04-04 | 2020-09-01 | 清华大学 | 一种钢渣基水泥六价铬固体还原剂 |
CN112456831B (zh) * | 2020-10-13 | 2023-10-03 | 唐山冀东水泥外加剂有限责任公司 | 一种耐高温的水泥六价铬还原剂 |
CN112876123B (zh) * | 2021-02-09 | 2022-09-02 | 曹志伟 | 一种水泥六价铬还原剂及其制备方法和应用 |
CN113480219A (zh) * | 2021-07-15 | 2021-10-08 | 内蒙古宏尔高新材料科技有限公司 | 用于降低水泥中水溶性铬(ⅵ)的降铬剂及其制备方法 |
CN114213056B (zh) * | 2022-01-17 | 2022-08-26 | 安徽精公检测检验中心有限公司 | 硫酸亚铁-三硫化二锑复合型液体除铬剂及其制备方法和应用 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1882515A (zh) * | 2003-11-21 | 2006-12-20 | 格雷斯公司 | 硫酸盐分散体铬酸盐还原剂 |
CN102020748A (zh) * | 2009-09-17 | 2011-04-20 | 中国科学院化学研究所 | 聚合物-金属离子络合物凝胶电解质及其制备方法与应用 |
CN104496251A (zh) * | 2014-11-25 | 2015-04-08 | 中国建筑材料科学研究总院 | 一种液体六价铬还原剂及其制备方法、水泥及其制备方法 |
CN105924029A (zh) * | 2016-04-21 | 2016-09-07 | 张伟 | 降低水泥水溶性Cr6+含量的液体水泥添加剂 |
CN106365479A (zh) * | 2016-08-23 | 2017-02-01 | 南京永能新材料有限公司 | 水泥六价铬复合型还原剂及其制备方法 |
-
2017
- 2017-02-21 CN CN201710093951.1A patent/CN106830725B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1882515A (zh) * | 2003-11-21 | 2006-12-20 | 格雷斯公司 | 硫酸盐分散体铬酸盐还原剂 |
CN102020748A (zh) * | 2009-09-17 | 2011-04-20 | 中国科学院化学研究所 | 聚合物-金属离子络合物凝胶电解质及其制备方法与应用 |
CN104496251A (zh) * | 2014-11-25 | 2015-04-08 | 中国建筑材料科学研究总院 | 一种液体六价铬还原剂及其制备方法、水泥及其制备方法 |
CN105924029A (zh) * | 2016-04-21 | 2016-09-07 | 张伟 | 降低水泥水溶性Cr6+含量的液体水泥添加剂 |
CN106365479A (zh) * | 2016-08-23 | 2017-02-01 | 南京永能新材料有限公司 | 水泥六价铬复合型还原剂及其制备方法 |
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Publication number | Publication date |
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CN106830725A (zh) | 2017-06-13 |
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Inventor after: Gao Wenbin Inventor after: Liu Yongsheng Inventor after: Liu Junhua Inventor after: Sun Yujie Inventor after: Li Guihong Inventor after: Liu Yonglin Inventor after: Zhou Liren Inventor before: Liu Yongsheng Inventor before: Liu Junhua Inventor before: Sun Yujie Inventor before: Li Guihong Inventor before: Liu Yonglin Inventor before: Zhou Liren |
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