MODIFICATION OF BITUMENS WITH OIL INDUSTRY WASTE

Y. Imanbayev, Y. Ongarbayev, Y. Akkazin, A. Bussurmanova, A. Boranbayeva, A. Akkenzheyeva
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Abstract

A literature review on the topic of the study has shown that there is not much work with the use of oily waste in the modification of bitumen. Many methods of bitumen modification include the oxidation of a heavy oil residue to obtain the target product and its further compounding with the finished bitumen. Old oil sludge from oil sludge storage tanks has been used as the oil residue. Oil sludge is prepared by dehydration, the water content should not exceed no more than 5 wt. % and separation of mechanical impurities up to a content of not more than 16.4 wt. %. Purpose of the work. The main objective of the study is to develop a technology for modifying oil bitumen with industrial waste for the disposal of oil sludge, and to show the possibility of improving the physical-chemical, rheological characteristics of modified bitumen. Results. In the process of bitumen modification, the physical-chemical characteristics of the modified bitumen have been studied. It has been established that the composition of oil sludge from the Uzen and Zhetybai oilfield of the Mangistau region contains a significant amount of heavy oil residues and a small amount of mechanical impurities. From the conducted laboratory esearch, it has been found that oil sludge can be used as a filler in the modification of bitumen. Conclusion. Used oil sludge can be used as a bituminous base modifier without removing the mechanical impurities. Polymer-bitumen compositions have been prepared and the optimal parameters for the process of preparing polymer-bitumen binders have been determined.
用石油工业废料改性沥青
关于该研究主题的文献综述表明,在沥青改性中使用含油废物的工作并不多。沥青改性的许多方法包括将重油渣油氧化得到目标产品,并与成品沥青进一步复配。油泥储罐的旧油泥被用作油渣。油泥经脱水制备,其含水量不得超过5 wt. %,分离的机械杂质含量不得超过16.4 wt. %。工作目的。本研究的主要目的是开发一种处理油泥的工业废渣改性石油沥青的技术,并展示改善改性沥青的物理化学和流变特性的可能性。结果。在沥青改性过程中,对改性沥青的理化特性进行了研究。研究表明,曼吉斯陶地区乌岑和浙特白油田油泥组成中含有大量的重油残渣和少量的机械杂质。通过实验室研究发现,油泥可作为填料用于沥青改性。结论。废油泥可作为沥青基改性剂,不需去除机械杂质。制备了聚合物-沥青组合物,并确定了聚合物-沥青粘结剂制备工艺的最佳参数。
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