06

2023-04

DR·HG held the IPO roadshow of the Beijing Stock Exchange. Chairman Sun Lihui: After raising funds and expanding production, profitability and market position will be further improved

On April 4, Shandong Huayang Deere Chemicals Co., Ltd. ("DR·HG") publicly issued shares to unspecified qualified investors and listed on the Beijing Stock Exchange. The online roadshow was held on China Securities Journal. Zhongzheng.com.

2023-04-06

29

2023-03

Shandong Huayang Dier Chemical Co., Ltd. 285,000 tons of nitric acid and 100,000 tons of boric acid production plant project phase I project environmental impact assessment report full publicity

The publicity period is 10 working days, from April 14, 2022 to April 27, 2022. During the publicity period, the public who have objections, questions or suggestions to the project construction can contact by letter, fax, e-mail, etc. to put forward their opinions or suggestions.

2023-03-29

29

2023-03

Shandong Huayang Dier Chemical Co., Ltd. Publicity of clean production audit information

In order to protect and improve the environment, as well as to improve the company's resource utilization efficiency and reduce pollutant emissions, our company has fully launched the clean production audit work since April 2022.

2023-03-29

29

2023-03

The central control room was officially put into use

On December 21, the company's new central control room and analysis room were officially put into use.

2023-03-29

29

2023-03

Shandong Huayang Dier Chemical Co., Ltd. Acidic Water Recycling Project

The acceptance team listened to the report on the implementation of the project's environmental protection and the monitoring of the completed environmental protection acceptance, inspected the site, and verified relevant information.

2023-03-29

29

2023-03

Environmental Protection Acceptance Opinions on Completion of Huayang Dier Exhaust Gas Technical Transformation Project

According to the "Regulations on Environmental Protection Management of Construction Projects" and the "Interim Measures for Environmental Protection Acceptance of Construction Project Completion", on July 27, 2019, Shandong Huayang Dier Chemical Co., Ltd. organized an environmental protection meeting for the completion of exhaust gas technical transformation projects in Taian City Acceptance meeting.

2023-03-29

29

2023-03

High-purity industrial potassium nitrate_Energy-saving technology in the production process of industrial potassium nitrate

The use of energy-saving technology in the production process of industrial potassium nitrate uses air as the cooling medium, without the need for cooling water and steam, reducing energy loss. There is also a large air volume and low power axial flow fan, which consumes less power, and the potassium nitrate manufacturer adopts a two-effect evaporation process, which has a very significant energy saving effect, and the corrosion of the equipment has also been greatly reduced.

2023-03-29

29

2023-03

What are the functional applications of dilute nitric acid?

Dilute nitric acid is one of the important basic chemical raw materials and a chemical product with a wide range of uses. As an important chemical raw material, dilute nitric acid is mainly used to manufacture compound fertilizers such as nitrophosphate fertilizer and nitrogen, phosphorus and potassium; in the field of water treatment, dilute nitric acid can be used as a cleaning and derusting agent for carbon steel and stainless steel equipment, and is used in the treatment of sewage and waste water.

2023-03-29

29

2023-03

Precautions for using dilute nitric acid

Dilute nitric acid should be used in strict accordance with the instructions during use. Dilute nitric acid should be stored in a cool and ventilated warehouse, away from fire and heat sources; the storage temperature should not exceed 30°C, and the relative humidity should not exceed 80%; Store separately, and avoid mixed storage; the storage area should be equipped with leakage emergency treatment equipment and suitable containment materials.

2023-03-29

29

2023-03

How to use industrial potassium nitrate

Industrial potassium nitrate is an inorganic substance, commonly known as fire nitrate or soil nitrate, KNO3 refers to potassium nitrate. It is colorless transparent orthorhombic crystal or rhombohedral crystal or white powder, odorless, non-toxic, with salty and cool feeling. It absorbs little moisture in the air, is not easy to agglomerate, is easily soluble in water, soluble in liquid ammonia and glycerin, and insoluble in absolute ethanol and ether.

2023-03-29

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