Holtec to Team with BGV Group of Ukraine to Expand the Nation’s Mineral Extraction and Processing Infrastructure

The BGV Group of Ukraine and Holtec International are pleased to announce their decision to enter into a joint venture to develop Ukraine’s untapped mineral resources by building a range of mining, processing and manufacturing facilities to help accelerate the country’s industrialization.  Instead of extracting and exporting minerals, the joint venture envisages using them to make finished products and metal forms such as forgings, castings and extrusions in special purpose processing plants within the country. These plants will offer well-paying jobs to the local work force and help strengthen the country’s industrial economy. Thus, nature’s gifts buried in the land will be extracted to help build a vertically integrated industrial infrastructure that will enable Ukraine to move up the value-added supply chain in world markets. The endeavors of the joint venture are expected to serve a range of industries such as chemical, petrochemical, and energy generation. 

Underground System and Apparatus for Storing Spent Nuclear Fuel

Primary Inventor: Krishna P. Singh
Date of Patent Issuance: March 13, 2018
Status: Granted
Jurisdiction: US
Equipment Type: HI-STORM (underground)
Docket Number: HOL-014
Application Number: 14/148,616
Patent NumberUS 9,916,911 B2

Foreign Patent Documents:

Related US Application Data:

  • Continuation of application No. 13/323,743, filed on December 12, 2011, now Patent Number 8,625,732, which is a continuation of application No. 11/054,898, filed on February 10, 2005, previously published as US 2005/0220257 A1, and now Patent No. US 8,098,790, which is a continuation-in-part of Application No. 10/803,620, filed on March 18, 2004, now Patent Number 7,068,748
  • Also continuation of Application No. 11/054,897, filed on February 10, 2005, now Patent Number US 7,590,213 B1

Abstract: Systems and methods for storing spent nuclear fuel below grade that afford adequate ventilation of the spent fuel storage cavity. In one aspect, the invention is a system comprising: a shell forming a cavity for receiving a canister of spent nuclear fuel, at least a portion of the shell positioned below grade; and at least one inlet ventilation duct extending from an above grade inlet to a below grade outlet at or near a bottom of the cavity; the inlet ventilation duct connected to the shell so that the cavity is hermetically sealed to ingress of below grade fluids. In another aspect, the invention is a method comprising: providing a below grade hole; providing a system comprising a shell forming a cavity for receiving a canister of spent nuclear fuel, at least a portion of the shell positioned below grade, and at least one inlet ventilation duct extending from an inlet to an outlet at or near a bottom of the cavity, the inlet ventilation duct connected to the shell; positioning the…

Canister Apparatus for Dry Storage of Spent Nuclear Fuel and Method of Using the Same

Primary Inventor: Krishna P. Singh
Contributing Inventor: Stephen J. Agace
Date of Publication: June 7, 2018
Status: Granted
Jurisdiction: US
Equipment Type: DWC
Docket NumberHOL-013
Application Number: 16/002,325
Publication Number: US 2018/0277273 A1

Prior Publication Data: Application No. 14/590,506, previously published as US 2016/0372224, and now Patent No. US 10,026,514 B2

Related US Application Data:

  • Division of application No. 13/418,930, previously published as US 2013/0070885 A1, and now Patent No.  US 8,929,504 B2, which is a division of Application No. 11/851,352 filed on September 6, 2007, previously published as US 2008/0069291 A1 on March 20, 2008, now Patent No. US 8,135,107 B2.

Also Published as:UKR 104989

Abstract: A canister apparatus, basket apparatus and combinations thereof for transporting and/or storing high level radioactive waste, such as spent nuclear fuel. The canister apparatus comprises a cavity for receiving the spent nuclear fuel that is surrounded by two independent gas-tight containment boundaries. The structures that form the two independent gas-tight containment boundaries are in substantially continuous surface contact with one another, thereby facilitating sufficient heat removal from the cavity. In another aspect, the invention is a basket apparatus having a plurality of disk-like grates arranged in a stacked and spaced arrangement so that the cells of the disk-like grates are aligned. In still another aspect, the invention can be a basket apparatus having a disk-like grate having a ring-like structure encompassing a gridwork of beams specially arranged to achieve a unique cell configuration.

Apparatus for Providing Additional Radiation Shielding to a Container Holding Radioactive Materials, and Method of Using the Same to Handle and/or Process Radioactive Materials

Primary Inventor: Krishna P. Singh
Contributing Inventor(s): Stephen Agace
Date of Patent Issuance: August 31, 2010
Status: Granted
Jurisdiction: US
Equipment Type: Shielded Transfer Canister
Docket Number: HOL-012
Application Number: 11/871,095
Patent NumberUS 7,786,456 B2

Prior Publication Data: US 2008/0265182 A1 (Oct. 30, 2018)

Related US Application Data: Provisional application No. 60/850,733, filed on Oct. 11, 2006.

Abstract: A system, method and apparatus for providing additional radiation shielding to a container holding radioactive materials. The invention utilizes a sleeve-like structure that is slid over a container holding high level radioactive materials to add radiation shielding protection. Because the sleeve-like structure and container are non-unitary and slidably separable from one another, crane lifting capacity is not affected. In one aspect, the invention is an apparatus comprising: a tubular shell constructed of a gamma radiation absorbing material and having an inner surface that forms a cavity having an axis, the cavity having an open top end and an open bottom end; a plurality of spacers extending from the inner surface of the shell toward the axis of the cavity, the spacers extending a first height from the inner surface of the tubular shell; and one or more flange members located at or near the open top end of the cavity extending from the tubular shell toward the axis of the cavity, the flange member extending a second height from the inner surface of the shell, the second height being greater than the first height.

Cask Apparatus, System and Method for Transporting and/or Storing High Level Waste

Primary Inventor: Krishna P. Singh
Assignee: Holtec International
Date: October 28, 2010
Status: Granted
Jurisdiction: US
Equipment Type: HI-SAFE
Docket Number: HOL-011
Application Number: 12/769,622
Patent Number(s)US 9,672,948 B2

Prior Publication DataUS 2010/272225 A1 (Oct. 28, 2010)

Related US Publication Data:

  • Provisional application No. 61/173,392, filed on April 28, 2009.

Abstract:  A thermally conductive cask for storing high level radioactive waste. In one aspect the invention can be a thermally conductive cask comprising: a gamma shielding cylindrical body forming a cavity for receiving high level radioactive waste and having an outer surface formed of a first material having a first thermal conductivity; a neutron shielding cylindrical body surrounding the gamma shielding cylindrical body and having a layer formed of a second material having a second thermal conductivity that is greater than the first thermal conductivity, the layer forming an inner surface of the neutron shielding cylindrical body; and wherein the layer is clad to the outer surface of the gamma shielding cylindrical body.

Manifold system for the ventilated storage of high level waste and a method of using the same to store high level waste in a below-grade environment

Primary Inventor: Krishna P. Singh
Assignee: Holtec International
Date: February 22, 2018
Status: Granted
Jurisdiction: US
Equipment Type: HI-STORM 100M
Docket Number: HOL-009
Publication Number: US 2018/0053576 A1
Application Number: 15/702,241

Related US Application Data:

  • Application No. 14/271,101, previously published as US 2014/0366182 A1, and now Patent No.  US 9,761,339 B2
  • Division of application No. 12/709,094, filed on December 19, 2010, published as US 2010/0150297 A1, now Patent No. US 8,718,220 B2
  • Continuation-in-part of Application No. 11/352,601, filed on February 13, 2006, now Patent No. US 7,676,016.
  • Provisional application No. 60/652,363, filed on February 11, 2005.

Abstract: A system and method for storing multiple canisters containing high level waste below grade that afford adequate ventilation of the spent fuel storage cavity. In one aspect, the invention is a ventilated system for storing high level waste emitting heat, the system comprising: an air-intake shell forming an air-intake cavity; a plurality of storage shells, each storage shell forming a storage cavity; a lid positioned atop each of the storage shells; an outlet vent forming a passageway between an ambient environment and a top portion of each of the storage cavities; and a network of pipes forming hermetically sealed passageways between a bottom portion of the air-intake cavity and at least two different openings at a bottom portion of each of the storage cavities such that blockage of a first one of the openings does not prohibit air from flowing from the air-intake cavity into the storage cavity via a second one of the openings.

Method and Apparatus for Dehydrating High Level Waste Based on Dew Point Temperature Measurement

Primary Inventor: Krishna P. Singh
Assignee: Holtec International
Date: February 22, 2018
Status: Granted
Jurisdiction: USA
Equipment Type: FHD
Docket Number: HOL-008
Publication Number: US 2018/0053574 A1
Application Number: 15/702,195

Related US Application Data:

  • Application No. 14/288,045, previously published as US 2014/0317952 A1, and now Patent No.  US 9,761,338 B2.
  • Continuation of Application No. 13/622,343, filed on September 18, 2012, previously published as US 2013/0163710 A1, now Patent No.  US 8,737,559 B2, which is a continuation of Application No. 12/641,378, filed on December 18, 2009, previously published as US 2010/0212182 A1 on August 26, 2010 and now Patent No. US 8,266,823 B2, which is a division of Application No. 11/145,785, filed on June 6, 2005, previously published as US 2006/0272175 A1 on December 6, 2006 and now Patent No. US 7,707,741 B2

European Patent No.1888988
Dated:  October 24, 2018

Abstract: A system and method for drying cavities loaded with high level waste (“HLW”) is devised. The invention utilizes a non-intrusive procedure that is based on monitoring the dew point temperature of a non-reactive gas that is circulated through the cavity. In one aspect, the invention is a system for drying a cavity loaded with HLW comprising: a canister forming the cavity, the cavity having an inlet and an outlet; and a source of non-reactive gas. The system further flows the non-reactive gas from the source of non-reactive gas through the cavity; and repetitively measures the dew point temperature of the non-reactive gas exiting the cavity.

Apparatus, System and Method for Storing High Level Waste

Primary Inventor: Stephen J. Agace
Contributing Inventor: Krishna P. Singh
Assignee: Holtec International
Date: February 23, 2016
Status: Granted
Jurisdiction: US
Equipment Type: HI-STAR Transport Cask
Docket Number: HOL-007
Application Number: 14/264,843
Patent Number(s)US 9,269,464 B2

Prior Application Data: US 2015/0287489 A1 (Oct. 8, 2015)

Related U.S. Application Data:

  • Continuation of Application No. 11/772,620 filed on June 2, 2007, now Patent No. US 8,712,001 B2.
  • Provisional application No. 60/818,100, filed on Jun. 30, 2006, provisional application No. 60/837,956, filed on Aug. 16, 2006.
  • Application No. 11/772,610, now Patent No. US 8,548,112 B2

Abstract: An apparatus, system and method for storing high level radioactive waste. In one aspect, the invention is a specially designed ring-like structure for providing neutron and gamma radiation shielding for high level radioactive materials that produce residual heat. In another aspect, the invention is an apparatus for storing radioactive waste comprising a plurality of the ring-like structures arranged in a stacked assembly that completely surrounds an internal containment boundary. Collars can be provided at the ring-to-ring interfaces. The ring-like structures can have specially geometrically designed and/or arranged voids for receiving neutron absorbing materials that completely surrounds the containment boundary with the neutron shielding material.

External Steam Dump

Primary Inventor: Ranga Nadig
Assignee: Holtec International
Date: November 19, 2002
Status: Granted
Jurisdiction: USA
Equipment Type: Surface Condenser
Docket Number: HOL-006
Application Number: 09/969,277
Patent Number(s): US 6,481,208 B1

Abstract: A system and method for reducing the damaging effects of bypass steam in a cylindrical steam surface condenser in a steam turbine/bypass power plant application consisting of a hat-like steam admission chamber located external to the condenser shell having a header with orifices and dummy rods or tubes arranged between the bypass header and the condensing tubes.

Apparatus Suitable for Transporting and Storing Nuclear Fuel Rods and Methods for Using the Apparatus

Primary Inventor: Krishna P. Singh
Date of Patent Issuance: May 16, 2000
Status: Granted
Jurisdiction: USA
Equipment Type: HI-STORM
Docket Number: HOL-005
Application Number: 09/239,085
Patent Number: 6,064,710

Related U.S. Application Data: Division of application No. 08/858,114, May 19, 1997, Pat. No.  5,898,747

Abstract: Apparatus suitable for transporting and storing nuclear fuel rods comprising a basket having storage cells formed from a honeycomb gridwork of metal plates in a rectilinear configuration, the plates welded to each other at their intersections so that all contiguous corners of the storage cells formed by the gridwork are completely connected so as to allow conduction heat transfer, the metal plates having neutron absorber material positioned in areas which form walls of the storage cells.