be65f0b9-9000-440a-a722-dbe91d6a1243 Production of hydroxyacetonitrile (Raw material of indigo production) 靛蓝原料羟基乙腈的生产 Unit processes Materials production Organic chemicals Hydroxyacetonitrile is a precursor in the synthesis of indigo dye, essential in the textile industry. This chemical's production is a significant step in the clean manufacturing process developed by Taifeng Taixing Chemical Company. The company has optimized the technology to produce hydroxyacetonitrile, integral to the indigo production capacity of 6,000 tons/year. The compound is generated through a reaction between formaldehyde and crude hydrocyanic acid, subsequently contributing to a cleaner production pathway for indigo through further chemical synthesis steps. 羟基乙腈是合成靛蓝染料的前体，在纺织行业中至关重要。泰丰泰兴化工公司开发的这种化学品的生产是清洁制造过程中的一个重要步骤。该公司优化了生产羟基乙腈的技术，这是靛蓝年产能6000吨的一部分。该化合物通过甲醛和粗氢氰酸的反应生成，随后通过进一步的化学合成步骤为靛蓝的清洁生产途径做出贡献。 the production of 1 ton glycolonitrile 10 2015 Publication date 文献发表日期 This research relies on the existing production capacity of 6,000 tons/year of indigo in Taifeng Taixing Chemical Company, a leading enterprise in Chongqing chemical industry, to carry out technological innovation and process optimization of the cleaner production process of the project, and achieve the self-production of hydroxy-acetonitrile, an important raw material 本课题研究依托重庆市化工行业龙头企业—泰丰泰兴化工公司现有的 6000 吨/年的靛蓝生产能力，对项目清洁生产工艺进行了技术革新和流程优化，达到 实现重要原料羟基乙腈的自行生产 The study was based on the existing 6,000 tons/year indigo production plant of Chongqing Taifeng Taixing Chemical Company, and deeply explored the clean production technology of glycolonitrile, the raw meterial of indigo production. Glycolonitrile was generated by adding formaldehyde to raw material crude hydrocyanic acid gas, and then synthesized with aniline into n-phenylglycinenitrile. Furthermore, reacting with alkali to produce N-phenylglycine potassium, and finally synthesizing indigo products. 本文依托重庆泰丰泰兴化工公司现 有的 6000 吨/年的靛蓝生产装置，对靛蓝原料羟基乙腈的清洁生产工艺技术进行 了深入研究，通过原材料粗氢氰酸气体加上甲醛生成羟基乙腈，之后将羟基乙腈 与苯胺合成苯胺基乙腈，进一步与碱反应制备苯胺基乙酸钾，再合成靛蓝产品的 清洁生产工艺路线 Hydroxyacetonitrile is a precursor in the synthesis of indigo dye, essential in the textile industry. This chemical's production is a significant step in the clean manufacturing process developed by Taifeng Taixing Chemical Company. The company has optimized the technology to produce hydroxyacetonitrile, integral to the indigo production capacity of 6,000 tons/year. The compound is generated through a reaction between formaldehyde and crude hydrocyanic acid, subsequently contributing to a cleaner production pathway for indigo through further chemical synthesis steps. 羟基乙腈是合成靛蓝染料的前体，在纺织行业中至关重要。泰丰泰兴化工公司开发的这种化学品的生产是清洁制造过程中的一个重要步骤。该公司优化了生产羟基乙腈的技术，这是靛蓝年产能6000吨的一部分。该化合物通过甲醛和粗氢氰酸的反应生成，随后通过进一步的化学合成步骤为靛蓝的清洁生产途径做出贡献。 JuHhb3J48o7oALxVRdWc5Ydunue.png Unit operating time is calculated on a yearly basis of 300 days (i.e. 7200 hours) 装置操作时间每年按 300 天（即 7200 小时）计 Unit process, black box None 无 None 无 None 无 None 无 None 无 李征奇. 靛蓝原料羟基乙腈的清洁生产工艺实践应用与研究. (吉林大学, 2015). 李征奇. 靛蓝原料羟基乙腈的清洁生产工艺实践应用与研究. (吉林大学, 2015). This paper is based on the project of the existing products of the 6,000 tons/year indigo production project of Taifeng Taixing Chemical Company, a leading enterprise in Chongqing chemical industry. With comprehensive consideration on the resource conditions, technical solutions, material balance, process optimization, energy saving and environmental protection of glycolonitrile production, the production process of glycolonitrile is designed and deyermined, and then the production of indigo is improved. 本文从重庆市化工行业龙头企业—泰丰泰兴化工公司 6000 吨/年的靛蓝生产项目现有产品配套升级入手，根据羟基乙腈项目的资源条件、技术方案、 物料平衡、工艺优化、节能环保等方面，确定靛蓝生产原料羟基乙腈工艺，进而 实现对靛蓝生产工艺的改造 When utilizing this dataset for Life Cycle Assessment (LCA), consider the specific context of hydroxyacetonitrile application in indigo dye production. Account for the process durations (7200 hours annually), the advances in clean production technology, and the material balance concerning the incorporation of recycling and environmental impact mitigation. Users should model the use phase in commercial indigo synthesis and assess energy consumption and emissions based on the technological upgrades and optimizations. This data should not be used for LCA without considering the limitations of the boundary of this research. Note that partial production data is available for extraction and use. 在使用此数据集进行生命周期评估（LCA）时，需考虑羟基乙腈在靛蓝染料生产中的具体应用环境。考量工艺运行时间（每年7200小时），清洁生产技术的进步以及与回收和环境影响缓解相关的材料平衡。用户应在商业靛蓝合成中对使用阶段进行建模，并根据技术升级和优化评估能源消耗和排放。未考虑本研究边界的局限性，数据不应用于LCA。注意，部分生产数据可供提取和使用。 Not a LCA study, but can extract part of the production data. 非LCA研究，可提取部分生产数据 Inventory: The internal review was done by several iteration steps concerning raw data validation, raw data documentation, representativity, completeness and consistency of modelling with regard to ISO 14040 and 14044. 清单： 内部审查通过几个迭代步骤完成，涉及原始数据验证、原始数据记录、代表性、完整性、与 ISO 14040 和 14044 有关的建模的一致性。 Tiangong LCI Data Working Group 天工LCI数据工作小组 Kailingli Liao, calinly@163.com 玲俐, calinly@163.com calinly@163.com calinly@163.com 2023-12-18T17:29:41+08:00 2024-04-20T14:53:08.004069+08:00 00.01.005 https://lcadata.tiangong.world/showProcess.xhtml?uuid=be65f0b9-9000-440a-a722-dbe91d6a1243&version=01.00.000&stock=TianGong Tiangong LCI Data Working Group 天工LCI数据工作小组 false Free of charge for all users and uses Aqueous ammonia Input 418.0 418.0 Measured Liquid ammonia, concentration ≥99% 液氨，浓度≥99% natural gas Input 628.5 628.5 Measured Natural gas, CH4≥97% 天然气，CH4≥97% Sulfuric acid(98%) Input 314.40000000000003 314.40000000000003 Measured Sulfuric acid, concentration 98% 硫酸，浓度98% methanal Input 1436.0 1436.0 Measured Formaldehyde, concentration ≥37% 甲醛，浓度≥37% platinum Input 0.0001 0.0001 Measured platinum network 铂网 activated carbon Input 0.71 0.71 Measured activated carbon 活性炭 Water for industrial use Input 25000.0 25000.0 Measured water 水 Process water Input 98000.0 98000.0 Measured Recycled water 循环水 Electricity Input 2253.6 2253.6 Measured Electricity, 380/220V 电，380/220V process steam Output -2550.0 -2550.0 Measured Steam, 0.4MPa 蒸汽，0.4MPa Glycolonitrile Output 1000.0 1000.0 Measured Hydroxyacetonitrile 羟基乙腈 heat Input 42630.0 42630.0 Measured Cooling capacity, 5℃ 冷量，5℃