【Haichuan Chemical Salary News】Ningxia Metallurgical Industry’s Project to Produce Fuel Ethanol from Exhaust Gases
Thread Content
On April 20, at the site of Ningxia Shoulang Jiyuan New Energy Technology Co., Ltd.’s project for producing fuel ethanol through biological fermentation of industrial exhaust gases, cranes were moving back and forth, busy lifting construction materials； At present, the project has resumed full operations. Once the project is operational, it will use the exhaust gases from ferroalloy electric arc furnaces as raw material, and through world-leading biofermentation technology, convert them directly into high-value products such as fuel ethanol, protein feed, and natural gas. This approach enables efficient and clean utilization of industrial exhaust gases, thereby sparking a revolution in carbon capture, carbon utilization, and carbon cycling.
Ningxia Shoulang Jiyuan New Energy Technology Co., Ltd. was established in May 2019, jointly funded by Beijing Shougang Langze New Energy Technology Co., Ltd. and Ningxia Jiyuan Metallurgy Group Co., Ltd., with a registered capital of 200 million yuan. The fuel ethanol production project using biological fermentation of exhaust gases from the metallurgical industry, implemented by this company, is the first of its kind to produce fuel ethanol from exhaust gases in the ferroalloy industry. The project covers an area of 127 mu, with an estimated investment of around 410 million yuan. This project utilizes Baoshan Langze’s advanced integrated bio-fermentation technology to convert carbon monoxide present in the off-gases from electric arc furnaces into fuel ethanol in a single step; it also makes full use of industrial waste gases, thereby achieving virtually zero emissions. Once completed, the project will effectively address the issue of industrial exhaust gases from surrounding enterprises. The industrial exhaust gases generated during the production process of ferroalloy companies are processed through biological fermentation and distillation dehydration to produce fuel ethanol with a concentration of over 99.5%; high-quality microbial protein can also be isolated from the fermented liquid after distillation for use as animal feed. 60% of the wastewater generated during fermentation in the production process can be reused directly; the remaining part can be reused after wastewater treatment, and a small amount of concentrated brine can be used for metallurgical slag casting, achieving zero wastewater discharge. The biogas generated during wastewater treatment and the fermentation off-gases are converted into steam through high-temperature oxidation, which is used for product distillation and protein drying; this entire process enables the comprehensive utilization of resources.
On April 17, Zhejiang Sanjian Construction Group won the bid for the construction project of the first phase of the production facility for a fuel ethanol plant with an annual production capacity of 45,000 tons in Shizuishan, Ningxia. This project is a follow-up to the construction project of the comprehensive office building, for which a contract was awarded last December. The project is located in the Taisha Industrial Park, Pingluo County, Shizuishan City, Ningxia Hui Autonomous Region. The total investment in the project is around 100 million yuan, and it is divided into three bid sections. Zhejiang Sanjian has won bids for sections 1 and 2; the comprehensive office project for which it won a bid earlier falls under section 1, and construction there has already begun. The project that has been awarded at present is Section 2, which includes a laboratory and control room, a finished product tank area and pump house, a circulation pool and pump house, a fermentation section, a gas pretreatment section, a distillation section, and an auxiliary materials section. The total construction area is approximately 14,080 square meters, with a planned completion time of 100 calendar days.
For a project that produces chemical products using industrial furnace exhaust as raw material, can the raw gas be supplied continuously? Express doubt!
There should be a metallurgical enterprise in the Taisha Industrial Park in Pingluo County, Shizuishan City, so as to ensure a reliable supply of raw materials. Such an enterprise would likely undergo maintenance along with the main company; metallurgical enterprises generally do not stop operating
The Pingluo Industrial Park in Ningxia was established in 1996, originally named the Taisha Industrial Park of Pingluo County. In 2006, with the approval of the People’s ** and the Development and Reform Commission of the autonomous region, it was renamed Ningxia Pingluo Industrial Park, and it is classified as an industrial park at the autonomous region level. The park is located in Pingluo County and consists of a Circular Economy Industrial Park and a Shizuishan Ecological Economy Zone, with a planned area of 150 square kilometers. The park is bordered by the Yellow River to the east and the Helan Mountains to the west. The Beijing-Tibet Expressway runs through the eastern part of the park, while the Baotou-Lanzhou Railway connects to the western part. It adjoins Shahu, a 5A-level tourist attraction, to the south, and is 20 kilometers away from Shizuishan, a famous city in the northwest. It enjoys a favorable geographical location, abundant resources, and convenient transportation. The park has well-developed infrastructure, providing convenient production conditions for enterprises located there. A road network of five vertical axes and thirteen horizontal axes connects the entire park ； There are seven power transmission and transformation stations in the park, with a total capacity of 2.2 million kVA, ensuring an adequate supply of electricity ； The length of gas pipelines within the park reaches 20 kilometers ； The park is equipped with a water treatment plant that can supply 40,000 tons of water per day ； Five mobile and Unicom communication towers have been installed, ensuring that base station signals cover the entire campus; 56 kilometers of communication lines have also been laid. IV. Key Industries: The main industries include the fine chemicals industry, special alloy industry, biotechnology industry, etc. V. Existing enterprises: Lizhu Group (Ningxia) Pharmaceutical Co., Ltd., Ningxia Binhe Haili Building Materials Co., Ltd., Ningxia Jiecheng New Materials Technology Co., Ltd
Metallurgical production involves a cycle of one furnace at a time: feeding material, smelting, and removing the product. It is only during the smelting stage that by-products are generated – combustion exhaust gases. To ensure the continuity of chemical production, one (or n) large \"exhaust gas tanks\" are needed to store these gases. Also, are the maintenance cycles for metallurgical production the same as those for chemical production? I’m not very familiar with it; it just doesn’t seem reliable to me.