Present a kind of application of recursive identification and adaptive control to sulfuric acid process.
论述了硫酸生产过程的递推辩识与自适应控制的一种应用。
There are several dozen plants producing titanium white by sulfuric acid process in China, but they are small in scale and capacity with few product varieties.
我国硫酸法钛白生产厂有数十家，生产规模和生产能力小，钛白品种少。
The powdery polyphosphate ferric sulfate was prepared from iron vitriol, the byproduct in titanium pigment production by sulfuric acid process, and complex oxidant.
以硫酸法生产钛白粉的副产品——七水硫酸亚铁为原料，采用复合氧化剂合成聚合磷硫酸铁粉体，探讨了合成聚合磷硫酸铁的最佳工艺条件。
Compared with sulfuric acid process, under the premise of ensuring pure benzene quality, the pollution of tar acid and waste water contained with acid on environment can be eliminated.
与硫酸法相比，在保证纯苯质量的前提下，可消除酸焦油和含酸废水对环境的污染。
The traditional process, the chrome plating solution the chromium acid as the foundation and sulfuric acid as catalyst, the ratio of 100 to 1.
传统的镀铬工艺，其电镀液以铬酸为基础，以硫酸作催化剂，两者的比例为100：1。
The process and setup of the sulfuric acid equipment are introduced. The reasons of influncing sulfuric acid corrosion are analyzed. The methods that lower the corrosion are studied.
通过介绍硫酸装置的工艺特点和实际生产运行情况，分析并论述造成硫酸腐蚀的原因，探讨降低硫酸腐蚀的可行性方法。
In recent years, several refineries have imported sulfuric acid alkylation units with effluent refrigeration, but a systematical process calculation method is lacking.
近年来陆续引进了硫酸法烷基化流出物致冷新工艺，对装置的工艺计算目前国内尚未形应系统的算法。
In the experimental work, the process was carried out: ratio of sulfuric acid to cobalt-rich zinc residue 0.
提出了一种适合锌湿法冶金高钴锌渣浸出的工艺流程：酸料比为0。
In the carbonizing process, the wool cloth is treated with dilute sulfuric acid, dried, and then heated until the impurities are converted to carbon.
在碳化过程中，毛织物由稀硫酸处理、烘干，然后升温直至不纯物质全部碳化。
Objective To optimize the way of coloration in the process of determining polysaccharide content by phenol-sulfuric acid method, using only glucose as the standard.
目的优选在以葡萄糖为对照时，苯酚-硫酸法测定多糖含量的显色方式。
The anodic oxidation process of aluminum in sulfuric acid was investigated using constant voltage electrolysis method.
采用恒电压电解法研究了铝在硫酸中的阳极氧化过程。
By improving the synthesis process of the old product, problems associated with synthesizing penetrating agent with sulfuric acid as catalyst were solved.
改进老产品的合成工艺，解决使用浓硫酸催化剂合成渗透剂存在的诸多问题。
A biomass hydrolyzing process for producing glucose was investigated, through concentrated sulfuric acid hydrolysis of wood chips.
以木屑为研究对象，进行浓硫酸水解，得到产物单糖。
The SO2 from sulfuric acid production process using the waste gas of metallurgy plant is harmful to workers health.
冶炼厂利用冶炼废气回收SO2生产硫酸，生产过程中排放的SO 2危害作业人员健康。
Through the discussion on brass pickling processes, a new technology of super lower nitric acid is put forward to replace the conventional sulfuric acid-hydrogen peroxide process.
通过对黄铜酸洗工艺的讨论，采用了超低浓度硝酸新工艺代替硫酸-双氧水体系的老工艺。
The PS water reducing agent, which is very effective for concrete, has been made from waste poly styrene(WPS) by sulfuric acid of fuming sulfuric acid sulfonation process.
以废聚苯乙烯（WPS）泡沫为原料，采用浓硫酸和发烟硫酸两种磺化方法制备性能良好的砼减水剂。
The invention provides a novel method for recycling waste sulfuric acid in the oxidation process of hard anode using ammonium sulfate at low temperature.
本发明提供了一种在低温条件下，采用硫酸铵回收硬质阳极氧化过程中废硫酸的新方法。
This paper deals with the treatment of arsenic_containing waste water in the purification section of sulfuric acid unit, and its process and mechanism are also introduced.
对硫酸生产中净化工序废水进行处理，根据其含砷量多少，介绍其处理方法、工艺流程及机理，经处理后的污水均可达到国家排放标准。
A new process for producing polymeric iron sulfate, a new high efficient coagulant, directly from waste sulfuric acid solution is introduced.
介绍了一种用硫酸废液直接生产新型高效混凝剂——聚合硫酸铁的新工艺。
This process had some advantages, such as high yield, high product quality, low cost and no large amounts of waste sulfuric acid.
此种方法合成四氯苯酐具有产品产率高、质量好、成本低且不产生大量废硫酸的优点。
Cathodic reaction rate at open circuit Potential for iron in sulfuric acid containing dichromate ion was controlled by both electron transfer process and diffusion process.
铁在含有一定浓度重铬酸根的硫酸中，自腐蚀状态下的阴极反应速率受重铬酸根阴极还原电子转移过程与扩散过程共同控制。
The preparation process of epoxy soybean oil under the catalysis of sulfuric acid and 732 type cation exchange resin is introduced, and the optimum technological conditions have been obtained.
介绍了在硫酸、732阳离子交换树脂的催化作用下，制备环氧大豆油的工艺，得出了最佳工艺条件。
The high gravity sulfuric acid precipitation method to prepare silica is a new technology with simple process, short reacting time, easy operation and industrialization.
目前世界上生产白炭黑的最主要方法是硫酸沉淀法，国内企业大都采用以搅拌槽为反应器的传统硫酸沉淀法。
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。
The waste sulfuric acid containing chloral was treated with new process, including diluted with water and directly steam distillating without pre-heating.
将含三氯乙醛废硫酸加水稀释后，不需预热，直接向废硫酸中通入水蒸汽进行蒸馏的方法处理含三氯乙醛废硫酸。
The waste sulfuric acid containing chloral was treated with new process, including diluted with water and directly steam distillating without pre-heating.
将含三氯乙醛废硫酸加水稀释后，不需预热，直接向废硫酸中通入水蒸汽进行蒸馏的方法处理含三氯乙醛废硫酸。
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