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- Sulfuric acid wash or scrubbing method is adopted as the main crude benzol refining methodology in China that can further produce approximately 50 thousand tons waste acid per year. 我国拥有粗苯加工装置的企业约有40多家,粗苯年加工能力约70万吨,我国粗苯精制工艺大多采用硫酸洗涤法,该工艺年产生废酸约5万吨。
- waste acid wash 洗涤污酸
- Acid wash baseball cap,100% Cotton twill,Unconstructed,Metal button back.close. 酸洗棒球帽,100%25棉,无前衬,带三明志,金属后闭扣
- The limestone pieces were given an antique look with a unique finish of sandblast and acid wash. 石灰石砖在经过喷沙和酸洗加工后展现出独特的风情。
- Be produced by rectifying the naphthalene fraction obtained from distilling coal tar, after acid wash. 分馏高温煤焦油所得的萘馏分,经洗涤,精馏而得。
- There is little study on the selection of liquid of pre - filming after the acid wash by hydroxy ethidine phosphonic acid (HEDP). 羟基乙叉二膦酸酸洗后预膜液的选择较少有人研究,而适当的预膜钝化是防止酸洗后金属表面返锈的必要措施。
- By this new techology, waste acid has been reduced, high quality, high strength and good shade of the product achi... 新工艺生产的产品染色强度高,色光好,含酸废水量减少。
- In order to maximize the liquid yield and glucide content in biomass pyrolysis products,acid wash pretreatment was usually adopted. 为获得液体产量的最大化和提高产物中糖类的质量分数,采用盐酸(3%25、5%25、7%25)、磷酸(7%25)和硫酸(7%25)对纤维素进行酸洗预处理。
- With mild reaction,no corrosion and no waste acid,the esterification is advantageous. 本法具有操作方便、反应温和、无腐蚀和无废酸排放等优点。
- Average content of shrub is DM 94.33%, CP 9.69%, acid wash fiber 37.75%, crude fat 3.94%, Ca 3.26%, P . 14%, and crude ash 4.91%. 饲用灌木营养成分平均值分别为干物质94.;33%25，粗蛋白9
- Treatment and utilization of waste acid produced in trifluralin production Chu Chunyan，Chen Xuexi. 关键词氟乐灵废酸处理4-氯-3-硝基三氟甲苯对氯三氟甲苯4-氯-3，5-二硝基三氟甲苯清洁生产
- Experiment results show that ion exchange model 、acid wash、Fe exchange quantity has definite influence for defluoridation effect,by means of... 共存离子对该脱氟剂的脱氟效果没有明显地影响,研究还揭示了该脱氟剂的脱氟机理和操作简单、易再生、能重复使用和不产生二次污染的特点。
- Copper arsenite prepared from waste acid containing arsenic was applied in copper electrolyte purification. 利用含砷废酸制备亚砷酸铜,并将所得亚砷酸铜应用到铜电解液的净化。
- The waste acid from benzol refining is a very complex mass and we has no better method to deal with it for a long time. 精苯废酸组成极为复杂,长期以来对精苯废酸的处理没有合适的解决方法。
- Incombustible waste liquid with high concentration (BOD、COD) organic,waste acid alkali,etc.2. 2、可燃烧废液，废溶剂等。
- More hydrophilic peptide could be eluted by polarer solvents efficiently.Its recovery rate could be improved by increasing trifluoroacetic acid wash times. 结果表明，洗脱溶剂对多肽的洗脱效果与多肽及溶剂的极性有关：亲水性较强的多肽用极性较强的溶剂洗脱时效果较好，可用增加三氟乙酸的洗脱次数来提高这类多肽的洗脱率；
- The hydrometallurgical process of leaching zinc-containing oxide minerals by titanum white waste acid was investigated. 研究了钛白废酸浸出含锌氧化物料的湿法冶金过程。
- Waste acid from a titan white plant was used directly to leach pyrolusite ore with addition of pyrite for making manganese sulphate. 利用钛白生产过程中产出的废酸为原料，以软锰矿、黄铁矿直接浸出制取硫酸锰产品。
- Several ways of titanium white waste acid applied in calcium perphosphate production are introduced. Two-step acid addition is specially proposed. 介绍了钛白废酸在普钙生产中应用的几种形式，提出了两段加酸法的应用思路。
- Acid washed coconut shell based granulars are also available from BPACP. 椰壳基破碎炭。
