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RESEARCH ON PILOT TEST OF MAKING AMMONIUM POTASSIUM SULFATE BY PHOSPHOGYPSUM RESIDUE FROM WET PHOSPHORIC ACID PRODUCTION 湿法磷酸生产中磷石膏废渣制硫酸钾铵的中间试验研究
TWO STEPS METHOD FOR THE PREPARATION OF POTASSIUM SULFATE BY AMMONIUM SULFATE AND POTASSIUM CHLORIDE. 硫酸铵氯化钾两次反应法生产硫酸钾。
Potassium sulfate was prepared from potassium chloride and ammonium sulfate by addition of methanol. 以氯化钾和硫酸铵为原料,以甲醇为添加溶剂制备硫酸钾。
Ammonium sulfate and potassium sulfate were used as sources of N and K because these sources are more efficient in these soil conditions. 用硫酸铵和硫酸钾作氮和钾肥源因其对该土壤条件更有效。
Made from ammonium carbonate,gypsym and potassium chl oride, the potassium sulfate and ammonium chloride are empl oyed in high concentration compound fertilizer manufacture as raw materials. 从实验出发，以碳铵、石膏、氯化钾生产硫酸钾及氯化铵，并以此产品作高浓复混肥的原料作工程性的探讨。
Gypsum,ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research,to produce potassium sulfate,potassium ammonium chloride and calcium carbonate. 以石膏、碳酸氢铵和氯化钾为原料,生产硫酸钾、氯化铵钾和碳酸钙,原料综合利用充分,经济效益好。
DISCUSSION OF KEY TECHNIQUE PROBLEMS IN THE PRODUCTION OF POTASSIUM SULFATE. 饲料级磷酸氢钙标准的修订简介。
During preparing potassium sulfate or langbeinite,schoenite is the important middle resourses. 在硫酸钾或钾镁肥生产过程中,软钾镁矾是其中很关键的中间原料。
Aluminium borate melting block was prepared by the combination of boric acid,anhydrous alum and potassium sulfate. 采用硼酸和无水明矾及硫酸钾压块、焙烧、制备硼酸铝熔块。
The reaction principal, reaction procedure and flowsheeting in the potassium sulfate method are included. 给出了甲酸钠法的反应原理、反应过程以及工艺流程。对原料消耗、产品规格及质量测定作了简单介绍。
The process and equipment of potassium sulfate based on Mannheim process are introduced; its advantage and shortcoming is analyzed. 简要介绍了曼海姆法硫酸钾生产工艺设备情况,及优缺点。
The emphases put on the application and achievement of the purification technique of potassium sulfate salt in its industrialization. 重点评述了硫酸钾盐的提纯新技术在工业生产装置上的应用及所取得的成效；
Ammonium potassium phosphate compound fertilizer 磷铵钾复合肥
The technological condition of Potassium Sulfate production from impure glaserite and impure Potassium chloride, is discussed in the paper,It is proved by experiment. 文章介绍了利用电解质溶液理论计算不纯净钾芒硝与不纯净氯化钾转化制取硫酸钾的工艺条件，并通过试验加以验证。
ammonium potassium phosphate fertilizer 磷酸铵钾肥
The change law of NH + 4 influence in the first and second stage reaction process of potassium sulfate production by conversion method is studied in this paper. 文章中采用正交实验设计的方法，研究了在磷石膏转化法制硫酸钾第一、二阶段反应过程中的NH+4影响变化规律。
The process conditions,such as temperature,pressure and the amount of active agent added for the production of granular potassium sulfate based on Mannheim method are given. 给出了在曼海姆工艺基础上生产颗粒硫酸钾的温度、压力、活性物质添加量等条件。
Potassium sulfate,Zinc sulfate,Manganese sulfate,Copper sulfate,Ferrocyanide sulfate and surface active agent were compounded to obtion effective spraying fertilizer. 并将硫酸钾与锌、锰、铜、铁等微肥与表面活性剂复配，制得高效的叶面肥。
By choosing the technical routes of potassium sulfate process and integrated process of soda ash production,the better economical benefits can be expected. 通过对钾芒硝法工艺及联碱工艺技术路线的选择,技术经济分析,以期提高化肥厂的经济效益。
The experiment was carried out by foliar spray of amino acid, humic acid and potassium sulfate in order to research the effect of nutrition on pineapple aroma. 摘要通过田间叶面喷施氨基酸钙、腐植酸钙和硫酸钾肥料，研究其对菠萝成熟时香气的影响。