DOE Patents Patent: Portland cement for SO.sub.2 control ...

DOE Patents Patent: Portland cement for SO.sub.2 control in coal-fired power plants. Portland cement for SO.sub.2 control in coal-fired power plants. ... There is described a method of removing oxides of sulfur from the emissions of fossil fuel combustion by injecting portland cement into the boiler with the fuel, the combustion air, or ...

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History of cement - understanding-cement.com

Portland cement usually consists of portland cement clinker and a sulfate carrier, usually gypsum. Portland cement clinker is prepared from a raw material mixture that contains mainly defined percentages of calcium oxide (CaO), silicon dioxide (SiO 2), alumina (Al 2 O 3), and iron oxide (Fe 2 O 3). By heating this mixture to sintering, new ...

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NJDEP - NJGWS - Information Circular IC, The Jacksonburg ...

Portland Cement Company for a short time. Bonn-eville was an innovator in the cement business and his name is on three patents involving cement pro-duction equipment. The Vulcanite Portland Cement Company was located less than a mile east of the Alpha Portland Cement quarry (fig. 7). Its plant and quarry covered an area of 300 acres. It manu-

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Cement - The Edison Papers

Oct 28, 2016· Cement. While attempting to develop his ore milling process to concentrate low-grade iron ore, Edison found that he could sell the waste sand to cement manufacturers. In 1899, he decided to investigate how he might transfer his rock-crushing technology to the production of Portland cement.

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Nanotechnology in the cement industry - a patent analysis

Dec 17, 2012· Nanotechnology in the cement industry - a patent analysis ... Majority of patents are filed in the area of composite cement (74 patents) and ordinary portland cement (OPC) (71 patents) respectively, followed by gypsum-based cement with 27 patent filings. Fig. 2: Classification of patents based on the type of nano-enabled cement. ...

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Joseph Aspdin - Wikipedia

Portland stone was the most prestigious building stone in use in England at the time. The patent clearly does not describe the product recognised as Portland cement today. The product was aimed at the market for stuccos and architectural pre-cast mouldings, for which a fast-setting, low-strength cement was required (see cement).

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US Patent # 4,081,285. Portland cement manufacture ...

Portland cement manufacture Abstract. Waste matter is incinerated in a combustion zone external to a rotary cement kiln. The resulting gaseous product is taken up in effluent gas from the cement making process in contact with calcareous material.

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Portland Cement Stock Images - Download 389 Royalty Free ...

This is a Fall picture of a Portland Cement Factory that opened in 1901, located in Ilasco, Missouri in Ralls County. This picture was Stock pile of portland cement in commercial bags. KUALA LUMPUR, MALAYSIA -FEBRUARY 22, 2018: Stock pile of portland cement in commercial bags.

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11.6 Portland Cement Manufacturing - US EPA

cement is used for structural applications and is the more common type of cement produced. White portland cement has lower iron and manganese contents than gray portland cement and is used primarily for decorative purposes. Portland cement manufacturing plants are part of hydraulic cement manufacturing, which also includes natural, masonry, and ...

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Portland Cement - Products | Lehigh Hanson, Inc.

Although natural cement dates back to the Romans, by the late 1800s builders were turning to its manufactured counterpart, portland cement, for higher strength and more consistent performance. English bricklayer Joseph Aspdin is widely credited for the invention of modern portland cement. Aspdin received the first patent on portland cement in 1824.

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Portland Cement Stock Photos and Images - alamy.com

PORTLAND CEMENT This industry was born in the Lehigh Valley. David O. Saylor first made portland cement at Coplay in 1871. Here also was the first use of the rotary kiln process commercially Nov. 8, 1889. This region has continued to lead in the industry. Pennsylvania Historical and Museum Commission

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How Portland Cement is Made? Manufacturing Process of ...

Portland cement can be made by following two different processes – a dry one and a wet one. Joseph Aspdin first made portland cement in his kitchen stove in England in the 19th century. Lime and silica make up approximately 85% of portland cement. The materials that are commonly used are limestone, shells, chalk, shale, clay, slate, silica sand, and iron ore.

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Nanotechnology in the cement industry - a patent analysis ...

Nanomaterials are widely used in portland cement industry (prepared by heating clay and limestone in a kiln and pulverizing the mixture) when compared to non-portland cements, which can be clearly observed from the number of patent filings in both classes.

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What is Portland Cement? (with pictures) - wisegeek.com

Jul 29, 2019· The name for the dry cement product is derived from the similarity of the finished product to Portland stone, which was quarried in England in the early 19th century. Using methods that were somewhat like the procedure for making Roman cement, Joseph Aspdin was awarded a patent in 1822 for creating the cement.

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Joseph Aspdin - Wikipedia

Joseph Aspdin (December 1778 – 20 March 1855) was an English cement manufacturer who obtained the patent for Portland cement on 21 October 1824.

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Portland cement - Wikipedia

The name Portland cement is recorded in a directory published in 1823 being associated with a William Lockwood and possibly others. In his 1824 cement patent, Joseph Aspdin called his invention "Portland cement" because of the its resemblance to Portland stone.

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Dartford Technology: Cement - William Aspdin

PORTLAND CEMENT. The great milestone was the discovery of Portland cement. Joseph Aspdin, a Leeds bricklayer, took out a patent for his 'Portland' cement in 1824 - though he claimed he had been making it since 1811.

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Portland Cement Stock Photos And Images - 123RF

Download Portland cement stock photos. Affordable and search from millions of royalty free images, photos and vectors.

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The Development of Portland Cement

The Development of Portland Cement by Bob Bennett. One of the earliest patents for a cement was taken out by Kendrick Edisbury in 1677 for a certaine sort of …

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US3415774A - Portland cement compositions - Google Patents

US3415774A US39505464A US3415774A US 3415774 A US3415774 A US 3415774A US 39505464 A US39505464 A US 39505464A US 3415774 A US3415774 A US 3415774A Authority US United States Prior art keywords weight concrete water portland cement parts Prior art date 1964-09-08 Legal status (The legal status is an assumption and is not a legal conclusion.

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Portland Cement Patent 1824 - Intriguing History

Oct 07, 2011· The 1824 patent for portland cement, an immensely important patent that allowed us the docks, the sewers and tunnels under the Thames. English mason and building contractor Joseph Aspdin of Leeds in Yorkshire patents Portland cement in 1824

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Cement Stock Photo Images. 288,378 Cement royalty free ...

Cement stock photos and images (288,378) Concrete. Construction ... workers Picture by Tund 201 / 4,655 Cement flagstone Stock Photo by studio306 1 / 6 building Picture by amat 2 / 73 wet cement Picture by 9comeback 2 / 25 cement portland gray fresh mortar mix with spatula Stock Photo by lunamarina 3 / 253 Masonry Pictures by Tristanbm 10 ...

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DOE Patents Patent: Portland cement for SO/sub 2/ control ...

DOE Patents Patent: Portland cement for SO/sub 2/ control in coal-fired power plants. Portland cement for SO/sub 2/ control in coal-fired power plants. ... Abstract. A method is described for removing oxides of sulfur from the emissions of fossil fuel combustion by injecting portland cement into the boiler with the fuel, the combustion air, or ...

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Best Portland Cement Stock Photos, Pictures & Royalty-Free ...

Portland Cement Pictures, Images and Stock Photos Browse 78 portland cement stock photos and images available, or start a new search to explore more stock photos and images.. Duration {{query.routeData['artist']}} Related searches:

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Cement Stock Photos And Images - 123RF

Download cement stock photos including images of concrete, brickwork, masonry and floor. Affordable and search from millions of royalty free images, photos and vectors. Photos. ... #15918251 - Pile of dry grey portland cement isolated on white. Similar Images . Add to Likebox #43822082 - grungy concrete background with scratches.

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Sprayable portland cement-based fireproofing compositions ...

Mar 28, 1995· 1. A Portland cement-based sprayable fireproofing composition, comprising a dry blend of 30-90% Portland cement, 4-30% stucco, and a sufficient amount of a high density aggregate such that said dry blend has a bulk density ranging from about 30 to about 55 pcf, and up to 3% of an accelerator for said Portland cement and stucco. 2.

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Cement Patents - The Edison Papers

Cement Patents. The following list contains the 49 patents Edison received concerning cement. It is arranged in chronological order by execution date, which is the date on which Edison signed the application and the date in the patenting process that comes closest to …

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HGB Ep. 167 - Portland Cement Works - Blogger

Dec 02, 2016· David O. Sayler of Pennsylvania became the first producer of Portland Cement in America and he secured a patent in 1871. By the early 20th century, America was making its own cement and was no longer importing Portland cement. One of the plants in the United States was the Portland Cement Works in Salt Lake City, Utah.

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1073 Best portland cement images in 2019 | Do it yourself ...

Jun 21, 2019- Explore Donna Waller's board "portland cement", followed by 157 people on Pinterest. See more ideas about Do it yourself, Sculptures and Garden Art.

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Masonry Design: Portland Cement

In 1824, Joseph Aspdin, a bricklayer and mason in Leeds, England, took out a patent on a hydraulic cement that he called portland cement because its color resembled the stone quarried on the Isle of Portland off the British coast.

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