Pemanfaatan Spent Bleaching Earth Sebagai Bahan Lean Concrete Dengan Mutu Beton 10 Mpa
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Institusion
Politeknik Negeri Bengkalis
Author
Setia, Nugroho Eki
Subject
421 Teknik Sipil
Datestamp
2021-10-13 13:51:32
Abstract :
Spent Bleaching Earth (SBE) is included in the waste from the bleaching of the oleochemical or CPO industry so that it is included in the category of waste from processing animal/vegetable fat. The waste is based on PP No 85 of 1999 including B3 waste (Hazardous and Toxic Materials) from specific sources. According to PP 74/2001, hazardous and toxic materials are materials which due to their nature and or concentration and or amount, either directly or indirectly, can pollute the environment, human survival and other living things. The method used in this test is to make concrete with Spent Bleaching Earth as Lean concrete material at 10%, 20%, 30%, and 40% by using SNI 7656:2012. The concrete that was treated for 7, 14, 21, and 28 days was then tested to obtain the compressive strength and density of the concrete. From the test results, the compressive strength of concrete aged 28 days was 9.81 MPa, SBE 10% 9.62 MPa, SBE 20% 7.08 MPa, SBE 30% 3.30 MPa, and SBE 40% 3, 96 MPa. It can be ascertained that the higher the level of SBE mixed in the concrete, the lower the quality.
Spent Bleaching Earth (SBE) is included in the waste from the bleaching of the oleochemical or CPO industry so that it is included in the category of waste from processing animal/vegetable fat. The waste is based on PP No 85 of 1999 including B3 waste (Hazardous and Toxic Materials) from specific sources. According to PP 74/2001, hazardous and toxic materials are materials which due to their nature and or concentration and or amount, either directly or indirectly, can pollute the environment, human survival and other living things. The method used in this test is to make concrete with Spent Bleaching Earth as Lean concrete material at 10%, 20%, 30%, and 40% by using SNI 7656:2012. The concrete that was treated for 7, 14, 21, and 28 days was then tested to obtain the compressive strength and density of the concrete. From the test results, the compressive strength of concrete aged 28 days was 9.81 MPa, SBE 10% 9.62 MPa, SBE 20% 7.08 MPa, SBE 30% 3.30 MPa, and SBE 40% 3, 96 MPa. It can be ascertained that the higher the level of SBE mixed in the concrete, the lower the quality.
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