摘要：【中文】本发明公开了一种表面改性的二氧化钛颜料制备方法，包括以下步骤：S1，将O2、Cl2通入加料环，S2，将预热氧气引入甲苯燃烧室，S3，将预热的四氯化钛通入氯化铝发生器，并通过氯化铝发生器进入加料环，所S4，向氯化铝发生器内加入铝的金属物，S5，在甲苯燃烧室上方增设晶粒细化剂加入口，通过晶粒细化剂加入口加入晶粒细化剂，S6，从袋式除尘器入口加入除疤砂，S7，距离加料环1.0‑2.0m距离设置文丘里进样管；S8，通过文丘里进样管加入包膜剂，包膜剂由卤化物及气相SiO2组成，S9，包膜完成后的二氧化钛经过袋式除尘器、打浆洗涤除砂、压滤、闪蒸、汽粉、包装获得成品二氧化钛颜料；本发明能使二氧化钛粒子表面形成均匀致密的包膜层。 【EN】The invention discloses a preparation method of a surface modified titanium dioxide pigment, which comprises the following steps: s1, introducing O2 and Cl2 into a feeding ring, S2, introducing preheated oxygen into a toluene combustion chamber, S3, introducing preheated titanium tetrachloride into an aluminum chloride generator, introducing the preheated titanium tetrachloride into the feeding ring through the aluminum chloride generator, S4, adding aluminum metal into the aluminum chloride generator, S5, additionally arranging a grain refiner feeding port above the toluene combustion chamber, adding a grain refiner through the grain refiner feeding port, S6, adding scab removing sand from the inlet of a bag type dust collector, S7, and arranging a Venturi sample inlet pipe at a distance of 1.0-2.0m from the feeding ring; s8, adding a coating agent through a Venturi sample inlet pipe, wherein the coating agent consists of halide and gas-phase SiO2, and S9, performing bag type dust collector, pulping, washing, desanding, filter pressing, flash evaporation, steam powder and packaging on the coated titanium dioxide to obtain a finished titanium dioxide pigment; the invention can form a uniform and compact coating layer on the surface of the titanium dioxide particles.

摘要：【中文】本发明公开了一种尾气燃烧处理方法和系统，处理方法包括：获取尾气中CO含量和尾气流量，计算得到尾气燃烧所需助燃风的流量，当尾气中CO含量高于设定阈值时，控制向燃烧设备内仅输入尾气和相应流量的助燃风进行燃烧；当尾气中CO含量低于设定阈值内时，计算得到尾气燃烧所需伴烧燃气的流量和伴烧燃气燃烧所需助燃风的流量，控制向燃烧设备内输入伴烧燃气、伴烧燃气助燃风和尾气、尾气助燃风进行共同燃烧。本发明提供的尾气燃烧处理方法和系统，使尾气可稳定燃烧，并减少燃烧成本，避免尾气外排造成的环境污染和能源浪费，具有较高的环境效益和经济效益。 【EN】The invention discloses a tail gas combustion treatment method and a tail gas combustion treatment system, wherein the treatment method comprises the following steps: the method comprises the steps of obtaining the content of CO in tail gas and the flow rate of the tail gas, calculating to obtain the flow rate of combustion-supporting air required by combustion of the tail gas, and controlling to input only the tail gas and the combustion-supporting air with corresponding flow rate into combustion equipment for combustion when the content of CO in the tail gas is higher than a set threshold value; and when the content of CO in the tail gas is lower than a set threshold value, calculating to obtain the flow of the combustion-supporting gas required by the combustion of the tail gas and the flow of the combustion-supporting air required by the combustion of the combustion-supporting gas, and controlling to input the combustion-supporting gas, the combustion-supporting air of the combustion-supporting gas and the tail gas and the combustion-supporting air of the tail gas into the combustion equipment for CO-combustion. The tail gas combustion treatment method and the tail gas combustion treatment system provided by the invention have the advantages that the tail gas can be stably combusted, the combustion cost is reduced, the environmental pollution and the energy waste caused by the exhaust of the tail gas are avoided, and the environmental benefit and the economic benefit are higher.

摘要：【中文】本发明公开了一种导电钛白粉及制备方法，导电钛白粉包括二氧化钛基材和位于所述二氧化钛基材表面的包膜层，所述包膜层由内之外依次包括聚苯胺包膜层和ATO包膜层，所述ATO包膜层除掺杂Sb，还掺杂有C、N。本发明提供的导电钛白粉，同时具有PANI、ATO、TiO₂的优点，还能实现导电性的大幅度提升，具有超导电性能。本发明还提供了一种导电钛白粉的制备方法，在聚苯胺包膜前先对二氧化钛进行高分子修饰，在包裹了聚苯胺膜层、ATO后，再经过后期煅烧及有机表面剂处理，为钛白粉的后期使用提供更好的润湿性和分散性，经此方法制备得到的钛白粉具有粒子细而均匀、高分散性、高耐候性和配方适用性。 【EN】The invention discloses conductive titanium dioxide and a preparation method thereof, wherein the conductive titanium dioxide comprises a titanium dioxide base material and an envelope layer positioned on the surface of the titanium dioxide base material, the envelope layer sequentially comprises a polyaniline envelope layer and an ATO envelope layer from inside to outside, and the ATO envelope layer is doped with the polyaniline envelope layerSb, also doped with C, N. The conductive titanium dioxide provided by the invention simultaneously has PANI, ATO and TiO₂The conductivity can be greatly improved, and the super-conductivity is achieved. The invention also provides a preparation method of the conductive titanium dioxide, which is characterized in that titanium dioxide is subjected to macromolecular modification before polyaniline coating, and is coated with the polyaniline film layer and ATO, and then is subjected to post-calcination and organic surface agent treatment, so that better wettability and dispersibility are provided for the post-use of the titanium dioxide.

摘要：【中文】本发明公开了一种二氯氧钛废液的回收方法，包括如下步骤：萃取：将二氯氧钛废液中的铁离子氧化，然后向二氯氧钛废液中加入有机萃取剂，经逆流萃取，得到铁离子含量低于3ppm的二氯氧钛溶液以及高铁含量的有机萃取相；用水对高铁含量的有机萃取相进行反萃，使三价铁和氢离子进入水相中，得到含三价铁的酸性水相和有机萃取剂，使有机萃取剂得到回收，并可重新用于萃取步骤中。 【EN】The invention discloses a method for recovering titanium oxychloride waste liquid, which comprises the following steps: and (3) extraction: oxidizing iron ions in the titanium oxychloride waste liquid, then adding an organic extractant into the titanium oxychloride waste liquid, and performing countercurrent extraction to obtain a titanium oxychloride solution with the iron ion content of less than 3ppm and an organic extraction phase with high iron content; and (3) performing back extraction on the organic extraction phase with high iron content by using water, so that ferric iron and hydrogen ions enter the water phase to obtain an acidic water phase containing ferric iron and an organic extraction agent, and the organic extraction agent is recovered and can be reused in the extraction step.

摘要：【中文】本发明公开了一种测试钛白粉膜层包覆顺序的方法，包括以下步骤：S1，样品预处理：除去钛白粉表面有机包覆层，称取定量钛白粉，并将钛白粉溶解在乙醇溶液中，混匀后过滤洗涤，将滤饼烘干得到粉体；S2，样品研磨：称取步骤S1得到的粉体并对其进行研磨；S3，样品预混：称取步骤S2中样品，与98%硫酸和氢氟酸溶液混合均匀；S4，样品酸解：将步骤S3的液体150‑180℃下均匀反应，稀释过滤，ICP测试滤液中包膜元素含量；S5，样品分析：对不同时间的滤液测试元素含量，外层膜层先溶解，且元素含量先达到峰值，次外层膜层随后溶解，且元素含量次之达到峰值；本发明操作简单，单样测试成本低，测试结果稳定，重复性好，能够准确分析钛白粉表面包膜物质包覆顺序。 【EN】The invention discloses a method for testing the coating sequence of a titanium dioxide film layer, which comprises the following steps: s1, sample pretreatment: removing the organic coating layer on the surface of the titanium dioxide, weighing quantitative titanium dioxide, dissolving the titanium dioxide in an ethanol solution, uniformly mixing, filtering and washing, and drying a filter cake to obtain powder; s2, sample grinding: weighing the powder obtained in the step S1 and grinding the powder; s3, sample premixing: weighing the sample in the step S2, and uniformly mixing the sample with 98% sulfuric acid and hydrofluoric acid solution; s4, acidolysis of a sample: uniformly reacting the liquid obtained in the step S3 at the temperature of 150 ℃ and 180 ℃, diluting and filtering, and carrying out ICP (inductively coupled plasma) test on the content of the coating element in the filtrate; s5, sample analysis: testing the element content of the filtrate at different time, wherein the outer film layer is dissolved firstly, the element content reaches the peak value firstly, the second outer film layer is dissolved subsequently, and the second element content reaches the peak value; the method is simple to operate, low in single-sample testing cost, stable in testing result and good in repeatability, and can accurately analyze the coating sequence of the coating material on the surface of the titanium dioxide.