乙酸

Search documents
华东理工吴辉团队:从乙酸盐高产生物合成3-羟基丙酸
合成生物学与绿色生物制造· 2025-07-22 15:41
第三代生物炼制技术旨在利用一碳分子和可再生能源,实现燃料与化学品的"负碳"生产,以应对日益严峻的气候变化和粮 食短缺问题。由合成气发酵制得的乙酸,作为一种可行的非粮碳源,近来在大宗化学品的生物合成中地位日益凸显。 3-羟基丙酸(3-HP)是一种可再生的大宗化学品,可通过氧化还原反应衍生出丙烯腈、1,3-丙二醇、丙烯酰胺、丙二酸和 丙烯酸等多种高值产品。据预测,其市场规模将突破360万吨/年,产值超过100亿美元/年。 SynBio团队 | 吴辉 【SynBioCon】 获 悉 , 华东理工大学生物工程学院上海生物制造技术协同创新中心生物反应器工程国家重点实验室 的吴辉老 师团队 通过丙二酰 -CoA 途径,在大肠杆菌中成功构建了以乙酸为原料合成 3- 羟基丙酸( 3-HP )的工程菌 株。最终,工程菌株 ZWR18(M DA) 的 3-HP 产量达到 5.53 g/L ,得率为 0.732 g/g ,占理论得率的 97.60% 。在全 细胞催化条件下,该菌株可产 23.89 g/L 3-HP ,得率为 0.734 g/g ,达到理论得率的 97.87% 。以合成气来源的乙酸 为底物进行全细胞催化时, ZWR1 ...
全球最大规模EDH工业试验装置中交
Zhong Guo Hua Gong Bao· 2025-07-09 03:20
Core Viewpoint - The successful commissioning of the world's first 3000 tons/year ethane oxidative dehydrogenation (EDH) pilot plant at PetroChina Liaoyang Petrochemical Company marks a significant advancement in ethylene production technology, offering a more efficient and environmentally friendly alternative to traditional methods [1] Group 1: Technology and Innovation - The EDH technology, developed in collaboration with the Dalian Institute of Chemical Physics, eliminates the reliance on high-temperature steam cracking, using ethane and oxygen as primary raw materials [1] - The innovative process allows for the precise and efficient conversion of ethane into high-purity polymer-grade ethylene, while also co-producing high-value chemical products like acetic acid, significantly enhancing resource utilization and economic efficiency [1] - The high-performance catalyst developed by the company is crucial for achieving breakthroughs in activity, selectivity, and long-term stability, which are essential for low-temperature, efficient, and directional ethane conversion [1] Group 2: Environmental Impact - The EDH technology is viewed as a strong competitor for next-generation ethylene production due to its significantly lower energy consumption and production costs compared to traditional steam cracking processes [1] - The inherent characteristics of the oxidative dehydrogenation pathway and mild reaction conditions provide a substantial advantage in reducing carbon dioxide emissions, making it a viable option for the petrochemical industry to achieve carbon neutrality goals [1] Group 3: Future Plans - Liaoyang Petrochemical has established a comprehensive production plan that includes equipment debugging, operational procedure development, emergency response drills, and enhanced training for operators to ensure safe, stable, and efficient trial operations [2] - The company aims to lead with independent innovation by forming a cross-disciplinary team focused on optimizing operational parameters and verifying long-term operational stability, thereby addressing technical barriers for industrial-scale implementation [2]
建业股份(603948) - 浙江建业化工股份有限公司2025年一季度主要经营数据公告
2025-04-25 08:45
证券代码:603948 证券简称:建业股份 公告编号:2025-007 浙江建业化工股份有限公司 2025 年一季度主要经营数据公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述或者 重大遗漏,并对其内容的真实性、准确性和完整性承担个别及连带责任。 1 三、主要原材料价格变动情况 | 原材料 | 2025 年 1-3 月不含税 平均价格(元/吨) | 2024 年 1-3 月不含税 平均价格(元/吨) | 变动比率(%) | | --- | --- | --- | --- | | 液氨 | 2523.17 | 2888.61 | -12.65 | | 乙醇 | 4822.40 | 5894.59 | -18.19 | | 正丙醇 | 7417.32 | 6568.07 | 12.93 | | 异丙醇 | 6327.02 | 7378.48 | -14.25 | | 正丁醇 | 6455.42 | 7791.89 | -17.15 | | 异丁醇 | 6665.77 | 7524.44 | -11.41 | | 苯酐 | 6111.51 | 6637.17 | -7.92 | | 乙酸 | ...