Waste-treatment plant construction work

Description

This Supplier qualification system can be used to supply modules to projects with the purpose of establishing Bioenergy plant. A module represents a category. The categories are: 1 - EA – Waste preparation is a module for preparation of the waste before sorting 2 - ES – 2D/3D Sorting is a module for sorting 3 - EP – Solid/Liquid is where the enzymatically treated waste is split into 3 different value streams: 2D materials, 3D materials, Bioliquid 4 - EH – Bioliquid Cleaning is where the bioliquid recovered from the different parts of the process is cleaned and prepared to be sent to the biogas (AD) plant. 5 - EB – 2D/3D Washing is where the wet 2D and 3D material passed from the Module EP is washed to remove the residual bioliquid and dewater as necessary before passing to Module ES Sorting. The process in the Module EB works in accordance with the water loop concept. The wash water used in the 2D washing must be circulated over a separation step to reduce the inerts content in the washing water to ensure an efficient washing process. 6 - RH – Biogas Cleaning is where the biogas is cleaned to remove impurities to acceptable levels depending on the downstream operation- CHP (Module MR) or Biogas upgrade (Module RK).The cleaned biogas from Module RH, could have two destinations either Module MR or Module RK 7- MR – Biogas CHP is where the biogas is utilized for gas Engines (CHPs) to produce green electricity and excess heat as process heat for the plant or for external purposes. 8 - RK – Biogas Upgrade is where the biogas is upgraded to green natural gas ready to be injected To the natural gas grid. Depending on the Technical solution chosen, CO2 can also be produced as a by-product. 9 - GD – Digestate System is a module that separates the digestate from the AD plant into solid fraction and reject water fraction. The solid digestate fraction will be shipped to recipient while the reject water is transported to Reject water storage. 10 - GT – Water Cleaning is a module that dissolved and suspended inerts and salts are removed from a fraction of the Reject water to prevent accumulation of salts and nutrients in the process loop. 11 - GR – Water System is a module that comprises the central water system of the plant, with tanks, pumps, heating and cooling, for all water qualities in the process. 12 - RA - AD plant is where the biomass undergoes Anaerobic Digestion process. The Anaerobic Digestion (AD) process is a bacteriological process that breaks down organic material under oxygen-free conditions to produce a mixture of methane and carbon dioxide gas called biogas. The produced biogas (60 % CH4 + 40 % CO2) is subsequently passed for cleaning. The digestate is passed to for further treatment. 13 - EE – Reactors is where the MSW is mixed with warm water, enzymes and pH adjusting components and enzymatically hydrolyzed. The function has several purposes: • Homogenous mix of MSW with heated water and enzymes. • Enzymatically treating the mixture to sufficient retention time under optimum conditions. • Treated waste buffer where bioliquid is drained off and the enzymatically treated waste is transferred to Module EP, in an even and continuous flow. 14 - All categories - EA – Waste preparation, ES – 2D/3D Sorting, EP – Solid/Liquid, EH – Bioliquid Cleaning, EB – 2D/3D Washing, RH – Biogas Cleaning, MR – Biogas CHP, RK – Biogas Upgrade, GD – Digestate System, GT – Water Cleaning, GR – Water System, RA - AD plant, EE – Reactors A full system including all modules. Candidates applying admission for the Supplier Qualification System must be capable of providing all or some of the modules described above. See also section 3.1, Guideline to Supplier Qualification System (supplying these systems does not set out requirements to the level of own-production and sub-contracting).The candidates must be able to supply the Modules in Europe. Candidates are encouraged to provide details on which market candidates are operating on.