A comprehensive evaluation of slagging and fouling indicators for solid fuel combustion

SRF can be utilized as co-firing fuel in power plants in order to provide more green energy and decrease the waste landfill. However, the characteristics of SRF with high potassium and chlorine need to be investigated first to avoid ash problem aspects in the future. This study aims to obtain initial prediction of slagging, fouling, abrasion, and corrosion for SRF and high-sulfur coal blend using empirical indices. This study used five slagging parameters, four fouling parameters, one abrasion parameter, and two corrosion parameters. The result shows that SRF contains high ash content, chlorine, Fe2O3, CaO, and K2O, that affects ash deposit formation like slagging, fouling, abrasion, and corrosion. Therefore, composition of 0-15 wt% SRF is more suitable than other compositions.

Section: Theoretical Prediction Indicesmentioning

confidence: 99%

Section: Theoretical Prediction Indicesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Investigation of slagging-fouling tendency for high-sulfur coal and solid recovered fuel (SRF)

Ghazidin,

Suyatno,

Cahyo

et al. 2024

“…There are several empirical indices of slagging, fouling, abrasion, corrosion, and agglomeration that commonly used based on characteristic of solid fuels [8][9][10][11]. Table 1 shows the formula and criteria for each parameter.…”

Section: Theoretical Prediction Indicesmentioning

confidence: 99%

Utilization of Calliandra calothyrsus and Gliricidia sepium as co-firing fuel with consideration of ash-related issues

Putra,

Kuswa,

Prabowo

et al. 2023

Biomass can be utilized as co-firing fuel in existing power plants. Woody biomass such as Calliandra calothyrsus and Gliricidia sepium, which can be planted in degraded land, have short cycle, good survivability, and high energy potency, are potential to be utilized. However, adding biomass to existing power plant fuel may cause ash deposition problems such as slagging, fouling, abrasion, corrosion, and agglomeration. This study investigates the ash-related problems of co-firing C. calothyrsus and G. sepium with different type of coal using theoretical indices. The results show that addition of C. calothyrsus and G. sepium up to 50 wt.% has insignificant effect to the risk of slagging, fouling, abrasion, and agglomeration of co-firing fuel. Since the chlorine content in these biomasses increases the corrosion risk to high, the addition of C. calothyrsus is recommended up to 10 wt.% while G.sepium up to 15 wt.% for co-firing fuel.

“…After determining the range of risk parameters, the next step is to determine empirical index. The determination of empirical indices of slagging, fouling, abrasion and corrosion commonly used in solid fuels refers to Ghazidin et al and Hariana et al[13,18]. For slagging total score indices slagging and fouling in Table2.Table 2 Total score indices…”

mentioning

confidence: 99%

Prediction of the Slagging and Fouling of Indonesian Coal with Hard Wood from Central and East Java

Suyatno,

Ghazidin,

Samudra

et al. 2024

Indonesia as an agricultural country has abundant biomass potential, especially wood waste in Java. The prospect of co-firing is considered ideal to overcome the problem of coal use in boilers. This is also in line with supporting the Indonesian government program in increasing the use of renewable energy. Samples of coal co-firing with wood waste from Central Java and East Java were selected for this study. Furthermore, blending between coal and wood biomass from Central and East Java with a composition ratio of (25%:75%) and (50%:50%). Furthermore, it is predicted based on the risk tendency of slagging and fouling. The risk of slagging, fouling, abrasion, and corrosion with theoretical index. In general, increasing the composition of coal blending with hardwood increases the tendency of slagging and fouling. However, blending coal with hardwood from Central Java at a mixture of (25%:75%) can be recommended because it has a low risk of slagging and fouling.