Process information
| Key Data Set Information | |
| Location | GLO |
| Geographical representativeness description | Vianen |
| Reference year | 2024 |
| Name |
|
| General comment on data set | The product consists of an emulsion of water glass, hardener and water which is injected into the soil using lances. This emulsion forms a water-repellent layer after hardening.Scope and type: The water glass injection is made in the Netherlands and used in the global market. The type of EPD is Cradle-to-Grave in which all modules are included. SimaPro 9.3.1 was used to perform the LCA calculations. The data used in the module is sourced from Ecoinvent 3.6 and the NMD basisprocessendatabase 3.6. The results are calculated with the exclusion of long-term emissions.Representativeness: This EPD is representative for water glass injection, produced by Soil-ID in The Netherlands for use in the Dutch market.Calculation rules: Cut-off rules: The following processes are considered below cutoff: - Maintenance and the use of auxiliary materials and equipment, with exception of such processes that are included in the Ecoinvent background processes. - Capital goods and infrastructure processes, with exception of such processes that are included in the Ecoinvent background processes. Only the processes considered below cut-off are excluded from the study. No additional processes are excluded.Scenarios and additional technical information A1 - Extraction of raw materials and processing of intermediate products: This module considers the extraction and processing of all raw materials and energy which occur upstream to the Soil-ID manufacturing process, as well as waste processing up to the end-of waste state. This includes manufacturing of intermediate products such as the water glass and hardener. A2 - Transport to production location: This includes the transport distance of the raw materials and intermediate products to the manufacturing facility via road. A3 - Production: This module is not applicable since nothing happens in the production stage of the water glass injection. A4 Transport: The results for A4 are given for a transport scenario within the Netherlands (150 km). A5 – Construction: This includes machines used for injection of waterglass in the soil. In addition to the injection of the waterglass, the lances used to distribute the waterglass leaves the system in this phase. The waste processing up to the end-of waste state is included in this phase for the lances. B - Use: After injecting the water glass into the soil, leaching occurs. The leaching of waterglass is modelled in module. C1-C4 – De-construction, transport to waste processing & waste processing and disposal: No de-construction or transport for waste processing is needed because the waterglass remains in the soil. The waterglass remaining in the soil is treated as landfill in the LCA. D - Net benefits and loads beyond the system boundary: Benefits from recycling and energy recovery from incineration of the lances and loads from the loss of secondary material are declared in this module.Declaration of SVHC: The water glass injection does not contain any substances of very high concern (SVHC).More information: https://www.soilid.nl/ |
| Copyright | Yes |
| Owner of data set | |
| Quantitative reference | |
| Reference flow(s) |
|
| Time representativeness | |
| Data set valid until | 2029 |
| Time representativeness description | valid from (Tuesday 10 September 2024) through (Monday 10 September 2029) |
| Technological representativeness | |
| Technology description including background system | The water glass injection is used for stabilization and groundwater sealing of soil. This is applicable for making a construction pit. When making a construction pit, sheet piles are initially placed. Then the soil is injected with water glass at the desired depth. After curing, the soil can be excavated. Additional functions: the technique can also be applied to create a waterproof layer around foundations. The function of water glass injection is to protect a building pit from rising groundwater by creating a watertight layer if no natural water-retaining clay layer is present. The water glass remains in the soil and slowly dissolves into a silica gel with salt. The sheet pile, which is used to place the lances in the soil, lasts for several years. Therefore environmental emissions within the life of the sheet pile are estimated to be negligible relative to the functional unit and are not included in the LCA. |
Modelling and validation
| Subtype | specific dataset | ||||
| Data sources, treatment and representativeness | |||||
| Data source(s) used for this data set | |||||
| Completeness | |||||
| Validation | |||||
| |||||
| Compliance Declarations | |||||
| Compliance |
Compliance system name
|
Approval of overall compliance
|
Nomenclature compliance
|
Methodological compliance
|
Review compliance
|
Documentation compliance
|
Quality compliance
|
| Compliance |
Compliance system name
|
Approval of overall compliance
|
Nomenclature compliance
|
Methodological compliance
|
Review compliance
|
Documentation compliance
|
Quality compliance
|
| Compliance |
Compliance system name
|
Approval of overall compliance
|
Nomenclature compliance
|
Methodological compliance
|
Review compliance
|
Documentation compliance
|
Quality compliance
|
Administrative information
| Data generator | |
| Data set generator / modeller | |
| Data entry by | |
| Time stamp (last saved) | 2024-09-10T00:00:00 |
| Data set format(s) | |
| Publication and ownership | |
| UUID | a56e5d40-9d63-45c8-9622-d49f1aaa1d2c |
| Data set version | 00.01.001 |
| Registration authority | |
| Registration number | 1.1.00660.2024 |
| Owner of data set | |
| Copyright | Yes |
| License type | Free of charge for all users and uses |
Environmental indicators
Indicators of life cycle