Evaluation method of solid waste for preparing lightweight aggregate
A technology of solid waste and evaluation method, applied in the field of evaluation of solid waste, can solve problems such as damage to the environment, vegetation and environmental protection, and unsustainability
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Embodiment 1
[0045] This embodiment includes the following steps:
[0046] Step 1. Conduct basic performance testing on printing and dyeing sludge and construction sludge in a certain place in the south. The results are shown in Table 1-1 and Table 1-2;
[0047] Table 1-1 Chemical composition and plasticity index of printing and dyeing sludge and construction sludge
[0048]
[0049] Table 1-2 Mineral composition of printing and dyeing sludge and construction sludge (in %)
[0050]
[0051]Step 2. According to the basic performance test results of printing and dyeing sludge and construction sludge in step 1, select printing and dyeing sludge and construction sludge to prepare lightweight aggregate and carry out ratio design to obtain ratio 1: printing and dyeing sludge by mass percentage 10%, construction sludge 90%, ratio 2: printing and dyeing sludge 20% by mass percentage, construction sludge 80%, ratio 3: printing and dyeing sludge 20% by mass percentage, construction sludge 50%...
Embodiment 2
[0069] This embodiment includes the following steps:
[0070] Step 1. Carry out basic performance testing on the fly ash and engineering slag in a certain place, the results are shown in Table 2-1 and Table 2-2;
[0071] Table 2-1 Chemical composition and plasticity index of fly ash and engineering dregs
[0072]
[0073] Table 2-2 Mineral Composition of Fly Ash and Engineering Slag (unit is %)
[0074]
[0075] Step 2. According to the basic performance test results of fly ash and engineering slag in step 1, select fly ash and engineering slag to prepare lightweight aggregate and carry out the ratio design to obtain the ratio 1: powder by mass percentage Coal ash 67.2%, engineering slag 28.8%, gas expansion component Fe 2 o 3 4%; Proportion 2: Fly ash 56% by mass, engineering dregs 37%, gas-expanding component Fe 2 o 3 5%, reduce the roasting temperature component CaCO 3 2%, and the chemical composition and plasticity index of ratio 1 and ratio 2 are shown in T...
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