Novel environment-friendly refinery wastewater deodorizer and application thereof
A technology for oil refining wastewater and deodorant, applied in water/sewage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve problems such as secondary pollution, and achieve the effect of low cost and simple operation
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Embodiment 1
[0014] Example 1 A new type of environmentally friendly refinery wastewater deodorant
[0015] Composed of the following raw materials by weight percentage:
[0016] Potassium Permanganate 56%, Activated Carbon 25%, Clay 14%, Contains Metal Ion Pt 2+ ionic liquid 5%.
[0017] Contains metal ions Pt 2+ The preparation method of the ionic liquid: at 45-55°C, put 0.1mol of chloro-acetylacetone and 0.1mol of N-methylimidazole in 50mL of acetone and react for 8 hours, and the product can be distilled under reduced pressure for 6 times to obtain the intermediate product; At 50°C, 0.03mol PbCl 2 Added to this intermediate product, and placed in 100mL methanol for 8h, after 6 times of distillation under reduced pressure to obtain the target product.
[0018] Preparation method: Potassium permanganate, activated carbon, clay and Pt containing metal ions 2+ The ionic liquid can be evenly mixed according to the proportion.
Embodiment 2
[0019] Example 2 A method of treating oil refinery wastewater
[0020] Methods as below:
[0021] Using the refinery wastewater provided by a refinery as raw material, the refinery wastewater has a stench, and the amount of sulfur-containing compounds such as mercaptans and sulfides is 920mg / L.
[0022] 1) At room temperature, according to the volume ratio of refinery wastewater to deodorant 2000:1, add 2500g of deodorant to the reaction kettle with 5t of refinery wastewater under stirring, then add 1000mL of concentrated sulfuric acid, and control the temperature at 20- 30°C, the reaction time is 12h.
[0023] The solution after the reaction was detected by ICP-AES method, and the amount of sulfur-containing compounds such as mercaptans and sulfides in the oil refinery wastewater was 18.4 mg / L, and the removal rate was over 98%. The stench of the solution after the reaction obviously disappeared.
[0024] 2) Add 2000g of calcium oxide to the reacted solution and stir to ...
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