Public announcement on the environmental impact assessment for Hubei Yihua Group Co., Ltd.’s 1 million tons per year ferrophosphate project

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Recently, the environmental impact assessment for Hubei Yihua Group Co., Ltd.’s 1 million tons per year ferrophosphate production project was made public for the first time on relevant websites, marking a key step forward for the group in its efforts to transform and upgrade itself within the new energy materials industry. The advancement of this 1 million tons per year ferrophosphate project represents an important implementation of Hubei Yihua’s strategy for transformation and upgrading, and it will provide strong impetus for the group’s development in the field of new energy materials. Project Overview
Project Name: 1 million tons per year ferrophosphate production project
Construction Unit: Hubei Yihua Group Co., Ltd.
Nature of Construction: New construction
Total Investment: 600,003 million yuan

Overview of the Proposed Project: Using refined phosphoric acid, ammonium phosphate (purchased externally), pure iron, ferrous sulfate, hydrogen peroxide, and other raw materials, a 500,000 tons per year ferrophosphate production line will be built using the iron-based process, while another 500,000 tons per year ferrophosphate production line will be constructed using the ammonium-based process; corresponding auxiliary facilities will also be installed. The main product is iron phosphate, while the by-products include ammonium sulfate, etc. The environmental protection measures mainly include: the reaction exhaust gas from the 500,000-ton iron phosphate production line is washed through two stages of water treatment before being discharged in compliance with standards; the production line is equipped with a 40-m-high exhaust stack ； After dust-containing exhaust gas is filtered using bag filters, it is discharged up to standard levels through a 24-meter chimney ； Production wastewater is concentrated using steam; the concentrated liquid is returned to the system for iron dissolution reactions. After evaporation and condensation, most of it is used as washing water, while the remainder is reused as make-up water. In the 500,000-ton ferrophosphate production line produced by the ammonium method, the phosphate-dissolving exhaust gas is discharged after being treated through spray absorption to meet the specified standards; the sintering exhaust gas is also discharged at a height of 28 meters after being treated via incinerators and spray absorption to meet the required standards ； The exhaust gas from material feeding and packaging is treated by a bag filter before being discharged through a 28m exhaust stack ； The production wastewater is treated at the wastewater treatment plant through two stages of neutralization with lime and two stages of sedimentation, after which it is reused or discharged once it meets the required standards. Household waste is collected and disposed of uniformly by the sanitation department ； Hazardous waste generated by the project, such as mechanical maintenance waste and spent catalysts, is collected and temporarily stored in the plant’s hazardous waste storage area, before being regularly handed over to qualified entities for centralized disposal. Low-noise equipment should be used, and sound insulation and vibration damping measures should be implemented to ensure that noise levels at the factory perimeter as well as the ecological environment quality of sensitive areas remain within acceptable limits.