Waste acid cracking process
2020-02-19
With the promotion of gasoline standard upgrading, the market demand for alkylate oil has increased significantly, and the waste sulfuric acid produced by the sulfuric acid alkylation process unit is difficult to deal with by traditional treatment methods, which is extremely harmful to the environment.waste acid cracking processUsing waste sulfuric acid as raw material to produce industrial sulfuric acid products with quality up to the standard of superior products, the process has the advantages of large processing capacity, continuous and stable production, low energy consumption, good quality of recycled acid, and no secondary pollution. In-depth development of the technology, and applied to the actual industrial production has extremely important practical significance and economic value.
According to the characteristics of alkylation waste sulfuric acid, the pilot research project of high concentration waste sulfuric acid cracking recovery technology was carried out.waste acid cracking processRegeneration pilot study, completed the research and development of 160 tons/year waste acid lysis pilot plant, optimized the process parameters of waste acid lysis, and determined the optimal process conditions. The productivity can reach more than 99.1, and the SO2 concentration in flue gas can reach more than 8.0. In addition, the project team has also developed a safe and reliable interlocking automatic control scheme, forming a sulfuric acid alkylation with independent intellectual property rights.waste acid cracking processRegeneration of complete sets of technology.
On the basis of the pilot study, 30000 tons/year of alkylation was used.waste acid cracking processThe recycling industry application test project completed the development of the device process package. Based on this, an industrial device was designed and built in Tianjin Branch, and industrial application tests were carried out. Through the optimization and adjustment of various process parameters, better control parameters were obtained.
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