Open System Ex-situ Mineralization v1.1
適用条件（eligibility）
Projects must use alkaline feedstocks (natural rocks or industrial by-products including mine tailings, slag, cement kiln dust, red mud, fly ash) in open system settings to mineralize CO2 via indirect carbonation mechanisms. Feedstock pretreatment and/or physical manipulation must be employed. Projects must demonstrate net CO2 removal exceeding baseline mineralization rates, achieve long-duration storage (>1,000 years), meet additionality requirements, and comply with environmental/social safeguards. Ineligible: fully saturated tailings, new operations with production increases due to CDR finance, potentially acid-forming materials (without exemption approval), or operations where CDR implementation is required to meet regulatory obligations.