---
title: "Silo Liquor Ion Exchange Treatment Feasibility Study"
ocid: "ocds-h6vhtk-068352"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-068352"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-068352.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-068352.json"
source: "Find A Tender Service"
current_stage: "Tender"
buyer: "NUCLEAR RESTORATION SERVICES LIMITED"
published: "2026-06-22"
---

# Silo Liquor Ion Exchange Treatment Feasibility Study

Buyer: NUCLEAR RESTORATION SERVICES LIMITED  
Current stage: Tender  
OCID: ocds-h6vhtk-068352

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[Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-068352.json)

## Summary

The public procurement process for the "Silo Liquor Ion Exchange Treatment Feasibility Study" is facilitated by Nuclear Restoration Services Limited, a sub-central government public authority based in Warrington, United Kingdom. This tender falls under the technical services industry category and is currently in the active tender stage. The procurement follows an open competition method and remains below the threshold for formal procurement policies. Key dates to note include the end of the enquiry period on 30th June 2026 and a submission deadline on 14th July 2026. The study aims to examine a modular liquor treatment process using Ion Exchange technology for the Dounreay Wet Silo, with an estimated contract value of £120,000.

This tender presents significant opportunities for businesses specialising in technical services, particularly those experienced in modular treatment systems and environmental consultancy. Small and medium-sized enterprises (SMEs) with expertise in waste management and process engineering are well-suited to compete, as the contract offers a platform to showcase innovative treatment solutions and establish a relationship with a public authority engaged in nuclear restoration projects. Additionally, the potential for contract renewal, depending on the Liquor Retrieval Date, provides further prospects for sustained collaboration and business growth.

## Notice

The Dounreay Wet Silo contains solids and sludges stored under water in a below ground vault, split into 2 hydraulically linked compartments. The volume of liquor is estimated to be between 150m3 - 200m3. NRS Dounreay is investigating an option to provide a modular liquor treatment capability using an Ion Exchange process. This notice provides advanced information for the procurement of a proposed Feasibility Study consisting of the following aspects: Provide consultation and support to Silo liquor sampling. Use analytical data to develop a suitable ion exchange treatment process. Perform (or direct) inactive and active liquor IX processing trials to underpin a 'modular' type treatment plant design. Produce a feasibility report recording the development and proposals for the treatment plant, including an outline concept of the plant.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/058422-2026 |
| Notice type | UK4 - Tender Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Below threshold - open competition |
| Tender suitability | SME |
| Awardee scale | Not specified |
| All stages | Planning, Tender |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 22 Jun 2026 |
| Submission deadline | 14 Jul 2026 |
| Future notice date | 25 May 2026 |
| Award date | Not specified |
| Contract period | 2 Aug 2026 - 2 Apr 2027 |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £100,000 |
| Lots value | £100,000 |
| Awards value | Not specified |
| Contracts value | Not specified |

## Status

| Field | Value |
| --- | --- |
| Tender status | Active |
| Lots status | Active |
| Awards status | Not specified |
| Contracts status | Not specified |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | NUCLEAR RESTORATION SERVICES LIMITED |
| Locality | WARRINGTON |
| Post town | Warrington |
| Postcode | WA3 6GR |
| Country | England |
| ITL 1 | TLD North West (England) |
| ITL 2 | TLD6 Cheshire |
| ITL 3 | TLD61 Warrington |
| Local authority | Warrington |
| Electoral ward | Birchwood |
| Westminster constituency | Warrington North |
| Delivery location | Not specified |

## CPV Codes

### Divisions

- 71 - Architectural, construction, engineering and inspection services

### Codes

- 71356000 - Technical services

## Release History

- 22 Jun 2026 at 10:39 - Tender - UK4 - Tender Notice - https://www.find-tender.service.gov.uk/Notice/058422-2026
- 15 Apr 2026 at 14:42 - Planning - UK3 - Planned Procurement Notice - https://www.find-tender.service.gov.uk/Notice/034341-2026

## Documents

- https://www.find-tender.service.gov.uk/Notice/058422-2026
  22nd June 2026 - Tender notice on Find a Tender
- https://www.find-tender.service.gov.uk/Notice/034341-2026
  15th April 2026 - Planned procurement notice on Find a Tender

## Notice URLs

- https://atamis-2464.my.site.com/s/Welcome
- https://www.gov.uk/government/organisations/nuclear-restoration-services
- https://www.legislation.gov.uk/ukpga/2023/54/contents

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-068352. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-068352.json.