DT洞见可持续 . 向世界讲好中国可持续故事。我们聚焦可持续材料和绿色燃料，深耕生物基、回收、CO₂转化利用的化学品、材料，以及绿色燃料领域，为您带来前沿资 讯与深度解读。 生物基和生物制造产业服务平台：https://bio-basedlink.net/ 【生物基能源与材料】 获悉，近日， 山西长清生物科技有限公司 总投资 2.03亿元 ， 年产1.5万吨生物基PDO项目 通过备案 。这是继 长清生物 与 清大智兴 2022年合作年产2万吨糖法PDO项目成功开车之后，又一次重要布局。 项目基本信息： 早在2022年5月，清大智兴就与长清生物共同出资组建山西清大长兴生物科技有限公司，同年6月，年产2万吨糖法PDO装置一次开车成功 。 长清生物本身是一家以玉米深加工为核心的大型专业化企业，拥有完善的赖氨酸等生物发酵生产设施。如今，这条闲置的赖氨酸产线，正在被清大智兴 的PDO技术"点石成金"。 以下文章来源于DT洞见可持续 ，作者生物基能源与材料 传统生物制造企业利用存量设施向高附加值生物基材料转型，可能正在成为PDO产能扩张的新范式。 01 PDO：一个千亿级"隐形冠军" 1,3-丙二醇（1,3-PDO，常用 ...

Core Viewpoint - The global 1,3-Propanediol (PDO) market is expected to grow significantly, with a projected market size of approximately $316 million in 2025 and reaching $662 million by 2032, reflecting a compound annual growth rate (CAGR) of 9.43% from 2026 to 2032 [3][9]. Market Overview and Trends - The PDO market is characterized as a medium-sized but clearly growing sector, driven by structural upgrades in textiles and polyester materials, as well as a preference for more sustainable raw materials in personal care and functional formulations [9]. - The demand for PDO is primarily driven by two factors: the need for differentiated performance in downstream materials and the low-carbon attributes of bio-based routes, which facilitate entry into international brand supply chains [9][10]. Demand Structure - PDO's main applications are categorized into three areas: 1. PTT polyester chain, where PDO is used to create differentiated polyester for better elasticity and dyeing properties in textiles [10]. 2. Polyurethane and related resin systems, where PDO enhances flexibility and processing characteristics [10]. 3. Personal care and household cleaning formulations, where PDO serves as a moisturizing solvent and emphasizes gentleness and sustainability [10]. Supply Side Dynamics - The supply side is divided into two main routes: bio-based and petrochemical. The bio-based route utilizes fermentation from sugar sources, while the petrochemical route relies on established chemical processes [11]. - Both routes are not simple substitutes; bio-based products penetrate high-end brand chains faster, while petrochemical routes dominate larger industrial demands due to cost advantages [11]. Competitive Landscape - The industry is moving towards consolidation among a few strong players, including leading bio-based suppliers and petrochemical companies that serve industrial demands [12]. - Future trends indicate increased mergers and collaborations, with upstream suppliers binding more closely to downstream brands to ensure stable supply and enhance service attributes [12]. Growth Drivers - The demand for PDO is bolstered by stronger downstream material needs, particularly in textiles and engineering plastics, which require high-performance characteristics [15]. - High specifications and value-added applications are expanding PDO's demand in personal care and pharmaceuticals, necessitating suppliers to develop higher-grade products [15]. Technological Advancements - Cost reduction and improved availability are driven by advancements in fermentation efficiency, purification technologies, and economies of scale [16]. - Supply chain security and integration are critical, as PDO impacts both cost and quality for downstream customers, leading to long-term contracts and joint ventures to mitigate risks [16]. Industry Challenges - The profitability of PDO is sensitive to fluctuations in raw material and energy costs, influenced by factors such as weather and trade policies [18]. - The complexity of purification processes can limit product quality, making it crucial for suppliers to maintain high standards to meet market demands [18]. Future Industry Trends - The industry is expected to continue moving towards larger, integrated production facilities to enhance efficiency and reduce costs [20]. - There will be a focus on improving fermentation yields and reducing by-products, alongside a trend towards tighter integration with downstream applications [20][21].