The prospect of comprehensive utilization of titanium gypsum is worth looking forward to

November 4-5 May, 2020 China Building Materials Federation Gypsum Building Materials Branch Eleventh Annual (GAC2020 Nanjing ) successfully organized, comprehensive utilization of titanium held during the seminar, professors and other experts at the meeting agreed that the Speaker titanium plaster The prospect of comprehensive utilization is worth looking forward to.

November 4-5 May, 2020 China Building Materials Federation Gypsum Building Materials Branch Eleventh Annual (GAC2020 Nanjing ) successfully organized, comprehensive utilization of titanium held during the seminar, professors and other experts at the meeting agreed that the Speaker titanium plaster The prospect of comprehensive utilization is worth looking forward to.

Misplaced resources can be used in multiple waysMisplaced resources can be used in multiple ways

Professor Liang Yuxiang of Sichuan University believes that titanium gypsum is a “misplaced resource”.

Professor Liang Yuxiang of Sichuan University believes that titanium gypsum is a “misplaced resource”.

Professor Tan Hongbin from the School of Materials Science and Technology of Southwest University of Science and Technology proposed a titanium gypsum reduction - calcium sulfide - sulfuric acid wastewater - hydrogen sulfide + air - sulfur / sulfuric acid process from the perspective of technology research and practical application on the comprehensive utilization of titanium gypsum , and has completed the titanium gypsum in the enterprise The pilot experiment of internal circulation is under development for the pilot production line.

Research and develop special equipment to solve the moisture problemResearch and develop special equipment to solve the moisture problem

Yin Jun, an engineer from Jiangsu Yifu Company, introduced the technology and application of pressure filtration of titanium gypsum to below 20 to reproduce Type II anhydrous gypsum.

Yin Jun, an engineer from Jiangsu Yifu Company, introduced the technology and application of pressure filtration of titanium gypsum to below 20 to reproduce Type II anhydrous gypsum.

According to Zhao Jizhe, a Korean expert from Guohe Machinery, the superiority of the high-efficiency in-phase separator for gypsum.

Relying on the concept of combining "source governance" and "resource utilization", Jiangsu Joyo High-Tech Co.

The company uses 10 tons of MCM titanium gypsum produced by Xu Ti’s pilot plant as raw material.

Formulate industry standards and use rules to followFormulate industry standards and use rules to follow

Due to the lack of industry standards for titanium gypsum, the quality and composition of titanium gypsum discharged by various enterprises are quite different, it is difficult to achieve the stable quality required by the industry, and the market recognition is poor, which affects the development of comprehensive utilization of titanium gypsum.

Due to the lack of industry standards for titanium gypsum, the quality and composition of titanium gypsum discharged by various enterprises are quite different, it is difficult to achieve the stable quality required by the industry, and the market recognition is poor, which affects the development of comprehensive utilization of titanium gypsum.

At present, most of the titanium gypsum is disposed of in slag yard storage, and titanium dioxide enterprises need to consume huge amounts of yard construction and maintenance costs every year.

According to reports, according to the "Gongxin Dingke Han [2018] No.

"Titanium Gypsum" industry standard draft this year, 4 Yue 30 May to 6 Yue 16 to be at the China Building Materials Federation official website publicity, comments compiled by the group to the relevant units of industry wide, pending final manuscript form release.

The standard specifies the classification and marking, requirements, test methods, inspection rules, packaging, marking, transportation and storage of titanium gypsum ; for the indicators of tertiary products ( category C ) , the content of calcium sulfate dihydrate mainly refers to GB/T 23456 -2018 "Phosphorus gypsum" in the three-level product indicators, the requirements of the attached water content are mainly based on the company's research feedback information and experimental data.

According to the survey and test results, it can be seen that the leaching toxicity of various hazardous wastes of titanium gypsum are all lower than the standard limit.
The verification test and trial test prove that titanium gypsum can completely replace natural gypsum as cement retarder, sand construction gypsum, production of alpha high-strength gypsum, preparation of plastering gypsum, production of gypsum blocks, gypsum boards and calcium sulfate whiskers.

The use of titanium gypsum to replace natural gypsum conforms to the national industrial policy and can achieve the purpose of reducing emissions and reducing waste.
It is not only beneficial to environmental protection, but also can create certain economic benefits.
Promote the resource utilization of industrial by-product gypsum such as titanium gypsum, desulfurized gypsum, and phosphogypsum instead of natural gypsum, promote the graded utilization of by-product gypsum, and expand the scale of by-product gypsum to produce high-strength gypsum powder, paper-faced gypsum board and other high value-added products.
Encourage the intensive development of the industrial by-product gypsum comprehensive utilization industry.

The use of titanium gypsum to replace natural gypsum conforms to the national industrial policy and can achieve the purpose of reducing emissions and reducing waste.
It is not only beneficial to environmental protection, but also can create certain economic benefits.
Promote the resource utilization of industrial by-product gypsum such as titanium gypsum, desulfurized gypsum, and phosphogypsum instead of natural gypsum, promote the graded utilization of by-product gypsum, and expand the scale of by-product gypsum to produce high-strength gypsum powder, paper-faced gypsum board and other high value-added products.
Encourage the intensive development of the industrial by-product gypsum comprehensive utilization industry.

Fu Yijiang, deputy secretary-general of the Titanium Dioxide Industry Branch of the China Coatings Industry Association, pointed out that the environmental protection pressure is still facing the reality.
Although various enterprises actively promote the circular economy production model and have done a lot of work in the treatment of titanium dioxide "three wastes", it is extremely low.
Platooning requires both reliable and mature technical support as well as a large amount of capital investment.
This is an inevitable trend for industrial upgrading, but we are still not prepared.
How to comprehensively utilize the "titanium gypsum" produced by the production of titanium dioxide is a bottleneck restricting the development of the industry.

Fu Yijiang, deputy secretary-general of the Titanium Dioxide Industry Branch of the China Coatings Industry Association, pointed out that the environmental protection pressure is still facing the reality.
Although various enterprises actively promote the circular economy production model and have done a lot of work in the treatment of titanium dioxide "three wastes", it is extremely low.
Platooning requires both reliable and mature technical support as well as a large amount of capital investment.
This is an inevitable trend for industrial upgrading, but we are still not prepared.
How to comprehensively utilize the "titanium gypsum" produced by the production of titanium dioxide is a bottleneck restricting the development of the industry.