Test and application of active and porous agent ( APA) in the production of single superphosphate were introduced. 介绍了在过磷酸钙中添加活化疏松剂的试验情况及运用效果。
A great quantity of acid wastewater is discharged from the production process of sulfuric acid, single superphosphate and ammonium phosphate, causing serious pollution of water bodies. 硫酸、普钙和磷铵生产过程中排放大量酸性废水,对水体造成严重污染。
Production of Forage Calcium Hydrogen Phosphate from Single Superphosphate 普通过磷酸钙水萃取生产饲料磷酸氢钙
Production of Sulfur-Based Compound Fertilizers by Spraying on Single Superphosphate 过磷酸钙喷涂法生产硫基复合肥工艺研究
In recent years chemical fertilizer products are developing gradually in the direction of high analysis compound fertilizers, so understanding of the low analysis single superphosphate is to be deepened further. 近年来,化肥品种的发展逐步趋向高浓度复合肥料,对低浓度普通过磷酸钙的认识有必要进一步加深。
Some measures of revamping, by means of original facilities of environmental protection, on the three systems of waste water treatment in single superphosphate, sulfuric acid and ammonium phosphate plants of the company are introduced. 介绍湖北洋丰集团利用现有环保设施,对过磷酸钙、硫酸、磷铵3个分厂污水处理系统进行技术改造的具体措施。
Study and application of cleaner production process of single superphosphate 普通过磷酸钙清洁生产工艺的研究与应用
Analysis of Quality and Consumption in Production of Single Superphosphate 过磷酸钙生产的质量和消耗分析
An analytical study is made on the single superphosphate process system. 对普通过磷酸钙生产系统进行了分析研究。
The application, production conditions and developing prospects of feed calcium hydrogen phosphate and the experiment of removing fluorine from single superphosphate in the water extraction process is introduced. 简要介绍了国内外饲钙的应用、生产情况及发展前景,同时介绍了普钙水萃法生产饲钙工艺中的脱氟试验情况。
Urea based compound fertilizers made by spraying molten urea onto single or triple superphosphate granules can prevent hygroscopicity. 在普钙和重钙颗粒上喷涂熔融尿液生产的尿基复合肥还能防止吸湿。
Use of Polypropylene in Production Equipment for Single Superphosphate 聚丙烯在过磷酸钙生产设备中的应用
In the intermediate control analysis in single superphosphate production, the gravimetric method of barium sulfate oven drying or barium sulfate ignition is generally used in the determination of sulfate content in run-of-pile superphosphate, but the operation is tedious and time-consuming. 在普通过磷酸钙生产中间控制分析中,鲜钙中硫酸根含量的测定普遍采用硫酸钡烘箱干燥重量法或硫酸钡灼烧重量法,操作过程繁琐,用时长。
In line with the corrosion of main equipment in medium and small single superphosphate plants, an inquiry is made into the use of polypropylene plastics in mixers, agitator propellers and the fluorine recovery system for prevention of corrosion. 结合中、小过磷酸钙生产企业在生产中存在的主要设备腐蚀问题,探讨了聚丙烯塑料在混合器防腐、搅拌桨防腐处理及在氟回收系统中的应用情况。
Approach to Reduce Water Content in Single Superphosphate 减少普通过磷酸钙水含量途径的探讨
Single Superphosphate is chemical fertilizer products which have extensive useful at present, it obtained by apatite which decomposed from the sulfuric acid and then ripened, and its main ingredients is calcium phosphate primary and calcium phosphate. 过磷酸钙是目前使用广泛的化肥产品,其由硫酸分解磷灰石再经熟化制得的,其主要成分为磷酸钙和磷酸二氢钙。
Single application of urea and applied superphosphate and potassium chloride can increase CO2 emissions, but increased marginally. 单施尿素、施过磷酸钙和氯化钾,可以增加CO2的排放,但是增加的幅度不大,而单施尿素可以极大地增加N2O的排放量。