The Pulp and Paper Making Processes

2007-3-19 · pulping process; collect, process, and bum lignin and waste wood to produce energy; and remove and treat wastes from process water for release into the environment. Steps in the Pulp and Papermaking Process Raw Material Preparation Wood received at a pulp mill may be in several different forms, depending on the pulping process

CPC

2020-5-15 · A01D 43/10 · with means for crushing or bruising the mown crop {(stalk crushers or bruisers per se for standing stalks or stubbles A01D 34/8355, for mown crop A01D 82/00, for straw A01F 12/40)} U A01D 46/00 Picking of fruits, vegetables, hops, or the like; Devices for shaking trees or shrubs NOTE

A qualitative assessment of lithium ion battery recycling ...

2021-2-1 · Patent literature commonly describes "crushing" (Hanisch et al., 2017; Pudas et al., 2015; Tedjar and Foudraz, 2010), however, some patents specify the use of shredders and hammer mills (Smith and Swoffer, 2013; Zenger et al., 2010). Comminution may be applied repeatedly in one recycling process.

Supreme Court Upholds Process to Challenge Bad Patents ...

2021-6-23 · Supreme Court Upholds Process to Challenge Bad Patents. The Patent Office grants thousands of patents a year, including many that would be invalidated if a court considered them. These junk patents should never be issued in the first place, but fortunately there is a way to challenge them at the Patent Office rather than wasting the courts ...

When Rolling out New Tech, People and Process Matter ...

2021-11-24 · When Rolling out New Tech, People and Process Matter. New technology implementations often fall flat due to factors other than the technology itself. Sindhu Joseph | Nov 23, 2021. The history of ...

US3916780A

i United States Patent Heiser Nov. 4, 1975 2,619,150 11/1952 Smith 100/49 [76] Inventor: Warren R. Heiser, 934 N. Mildred, Dearbmm Mlch- 48128 3,817,169 6/1974 Bischofi'' 100/216 x [22] Filed: Mar. 12, 1974 Primary Examiner-Billy J. Wilhite [21] Appl'' 450422 Attorney, Agent, or Firm-Hanke, Patalidis & Dumont [52] US. Cl. 100/49; 74/50; [57] ABSTRACT 51 Im. …

Process for impact crushing of rock and ore lumps and an ...

A process for impact crushing of rock and ore lumps, in which a rock lump is subjected to a primary impact force P 1, and then the plurality of resultant smaller pieces are subjected to a secondary impact force P 2.The application of the impact forces P 1 and P 2 is synchronized in time. The velocity vector V 1 of the lump subjected to the primary impact force P 1 and the …

Fives Patents

The tables underneath list the patents and patent applications owned by Fives Group''s Process Technologies (PR) Division. Acting as a patent marking measure, the page constructs public notice, and conforms to the requirements for virtual patent marking of various jurisdictions including the United States (35 U.S.C. §287(a)), the United Kingdom (s. 62(1) PA 1977), India, …

Uncommon design, uncommon valor | USPTO

2021-11-1 · Uncommon design, uncommon valor. Forty years after his service as an engineer during the Civil War, George Gillespie redesigned the Medal of Honor, the nation''s highest military award, which he himself received. By obtaining a design patent, Gillespie ensured the integrity of the medal for future generations of U.S. service members.

Crushing process

The invention discloses a crushing process, and particularly relates to a limestone crushing process. The crushing process is the two-stage open circuit crushing and comprises the following steps that: raw ores are subjected to first-stage crushing in a first-stage screening-crushing machine, the crushed materials are subjected to first-stage screening, the oversize materials …

US8104401B1

The invention is a plastic bottle crushing that includes a housing having a slidable tray that is positioned underneath the bottle to be crushed in order for any remaining liquids contained within said bottle to be collected. The housing also includes a bottom crushing surface that has a hole in order to support the top portion of the plastic bottle in an inverted position.

Understanding Attrition in Solids Processing

2021-11-1 · Unwanted breakage, degradation or attrition of solid particles during processing and handling is a ubiquitous issue in the chemical, polymer, pharmaceutical, food, mineral, cement, coal, mining and agricultural sectors. While the fundamental mechanisms of attrition phenomena in solids-handling processes are similar to those well researched in ...

Process for preparation of flax protein isolate

2003-8-1 · Process for preparation of flax protein isolate. Cite. ... as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was ... are obtained in a procedure in which flax oil seeds are initially extracted to remove mucilage therefrom prior to crushing to recover the oil ...

E-Waste Recycling Technologies

2013-11-28 · The patent landscaping process applied to the e-waste field has uncovered several interesting facets of the electronic waste industry. Specifically, the patent activity of global e-waste innovation points strongly to the commoditization of electronic waste; in particular as a

US4059050A

A having a pair of vertically aligned wheels with one of the wheels having a resilient tire and the other, driven wheel being non-resilient and having outer projecting bar means that contact the resilient tire. A vertical chute directs the cans into the intersecting contact area of the rotating wheels and a second chute directs the crushed cans at the velocity imparted by the ...

Flotation type system and method for crushing, separating ...

Provided are flotation system and method for crushing, separating and washing waste plastics. In a direction of transporting materials, the flotation system includes a crusher, a flotation tank, a multi-functional rubbing and separating device, a washing tank and a dehydrator which are connected in turn; the flotation tank and the washing tank are disposed abreast; the floatation …

Freeze-grinding method of the waste materials using the ...

2001-12-24 · United States Patent 6923392 . Abstract: In method for freeze-crushing waste resources, freezing gas is first created by collecting freezing heat source of liquefied petroleum gas during a heat exchange process between the liquefied petroleum gas and cooling gas, and then the waste resources stored in a freezing tank is frozen to a temperature ...

Process for the preparation of silicon carbide from spent ...

We claim: 1. A process for the preparation of silicon-carbide from spent pot liners generated from aluminum smelter plants, the said process comprising the steps of: a. crushing the spent pot liner to size of half-inch to dust, followed by treating it with concentrated chromic acid, for a period of 15-25 minutes, b. washing the above said reaction product with distilled water until the ...

Interconnect architecture for three-dimensional processing ...

2021-4-20 · Three-dimensional architecture for solid state radiation detectors. Patent Parker, Sherwood [Berkeley, CA] A radiation-damage resistant radiation detector is formed on a substrate formed of a material doped with a first conductivity type dopant. The detector includes at least one first electrode formed of first conductivity type dopant, and at ...

US Patent for Mobile side-load metal crushing device ...

2002-8-16 · A mobile metal crushing system and a method for forming scrap metal bales by crushing automobiles and scrap metal latitudinally, vertically, and longitudinally. The crusher has a frame with wheels and a baling chamber with a bottom deck, a load door for latitudinal crushing, a crush plate for vertical crushing, and a wall. The wall has a plunger for longitudinal crushing.

Crushers

Crushers. Crushers are widely used as a primary stage to produce the particulate product finer than about 50–100 mm in size. They are classified as jaw, gyratory and cone crushers based on compression, cutter mill based on shear and hammer crusher based on impact.

(PDF) Comminution in mineral processing

2021-11-26 · Crushing process is quite similar to primary gyratory crusher where eccentric . motion is applied to main shaft from the lower part with spiral bevel gear mechanism. Here, gear is .

Goal: Bee-ing Safer

2021-10-27 · The patent-pending honeycomb system keeps the living area and honeycombs separate from each other. When a lever is pulled, the bees can leave the honeycombs but cannot get back in. Once they are gone from the area, the honey harvesting can be done without the need for special equipment and does not risk crushing the bees–as in traditional bee ...

US3743193A

A gyratory or cone type crusher having a generally conical crushing head rotatably mounted on an upright eccentric so that the head is gyrated upon rotation of the eccentric. The stationary frame of the crusher has a crushing bowl including a concave which surrounds the crushing head and cooperates with it to form an annular crushing chamber.

AP-42, CH 11.7: Ceramic Products Manufacturing

2015-9-10 · 11.7.2 Process Description1,3-5 Figure 11.7-1 presents a general process flow diagram for ceramic products manufacturing. The basic steps include raw material procurement, beneficiation, mixing, forming, green machining, drying, presinter thermal processing, glazing, firing, final processing, and packaging. The following

Challenges and opportunities in the recovery of gold …

Multistep crushing provides high shear forces that detach the metals from PCBs, with copper wires and joints particularly prone to disintegration. Whilst this is a reasonably energy effi-cient process,32 crushing alone cannot typically yield the ne particles that are required to improve metal recovery rates.33

11.19.1 Sand And Gravel Processing

2015-9-10 · 11.19.1.1 Process Description1-6 Deposits of sand and gravel, the unconsolidated granular materials resulting from the natural disintegration of rock or stone, are generally found in near-surface alluvial deposits and in subterranean ... crushing can be found in Section 11.19.2, "Crushed Stone Processing." In the absence of other data, the

Process for crushing raw lignite

Process according to claim 8, comprising forming the fluidized bed by blowing a spiral flow of cold air and/or ambient air through the blade ring surrounding the crushing pan. 10. Process according to claim 8, comprising carrying out the cooling and crushing of the raw lignite into lignite particles while maintaining a set spacing between the ...

Crushers

2019-6-28 · Since crushing is an important step of the ore concentration process, the selection and sizing of crushers should be given sufficient consideration during the mine design process. The objective of this article is to outline the factors that determine the selection and sizing of crushers for underground mining operations.

Sugar cane juice extraction innovation: technological ...

2016-1-17 · 222 patent documents on crushing mill and 22 on diffusers, showing greater interest in the development of a crushing mill process than the diffuser. Figure 1 shows the results of the search terms per year according to the patent''s deposit date. For the survey of the term crushing mill, stronger growth was observed in the number of ...

Desperate Heroism and the Thunder of a Quiet Revolution ...

2021-11-11 · Desperate Heroism and the Thunder of a Quiet Revolution: The Rise of China''s Economy and IP System. "Downplaying Chinese innovation may make the West feel more secure, but it is a security ...

Recovery of lithium and cobalt from spent lithium-ion ...

2017-6-1 · Therefore, a pre-treatment process including crushing and calcination is expected (Li et al., 2012). Leaching of cathode materials was previously studied by inorganic leaching agents like hydrochloric acid ( Dorella and Mansur, 2007, Zhang et al., 1998 ), nitric acid ( Lee and Rhee, 2002 ) and sulfuric acid ( Shin et al., 2005 ).

Scandinavia, Mining''s Innovation Hotbed | E & MJ

2020-4-8 · Scandinavia, Mining''s Innovation Hotbed. E&MJ asks 13 Scandinavian METS providers about their approach to innovation, both at home and away. Scandinavia is an area synonymous with innovation. Alongside geographies like Australia and Canada, the Nordics are a renowned hotbed for the research and development of new mining technologies.

Saudi Stock Exchange Sets IPO Price at Top End of Range

2021-11-29 · (Bloomberg) -- Saudi Tadawul Group Holding set the final price of its initial public offering at the top end of the range, giving the Riyadh-based stock exchange a valuation of 12.6 billion riyals ($3.4 billion).Most Read from BloombergChina Cash Flowed Through Congo Bank to Former President''s CroniesBillionaire Family Feud Puts a Century-Old Business Empire in …