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SULFUR-CONTAINING COMPOSITION, CEMENT COMPOSITION, AND METHOD OF PRODUCING SOIL IMPROVING MATERIAL
To provide a method of producing a sulfur-containing composition, capable of producing a sulfur-containing composition at a low cost with high production efficiency.SOLUTION: A method of producing a sulfur-containing composition for obtaining a sulfur-containing composition including calcium sulfide, from a carbon source and gypsum-containing waste, with the carbon source containing an inorganic component including Si and Al, comprises a heating step of heating the carbon source and the gypsum-containing waste at a temperature in a range of 600 to 1400°C to allow them to react with each other to obtain a heat-treated material, and a modification step of modifying the heat-treated material to obtain the sulfur-containing composition.SELECTED DRAWING: Figure 1
【課題】低い製造コスト且つ高い生産効率で硫黄含有組成物を製造することが可能な硫黄含有組成物の製造方法を提供すること。【解決手段】炭素源と石膏含有廃棄物から硫化カルシウムを含む硫黄含有組成物を得る硫黄含有組成物の製造方法であって、炭素源は、Si及びAlを含む無機成分を含有しており、炭素源と石膏含有廃棄物とを600~1400℃の温度範囲で加熱して互いに反応させて加熱処理物を得る加熱工程と、加熱処理物を改質して硫黄含有組成物を得る改質工程と、を有する、硫黄含有組成物の製造方法を提供する。【選択図】図1
SULFUR-CONTAINING COMPOSITION, CEMENT COMPOSITION, AND METHOD OF PRODUCING SOIL IMPROVING MATERIAL
To provide a method of producing a sulfur-containing composition, capable of producing a sulfur-containing composition at a low cost with high production efficiency.SOLUTION: A method of producing a sulfur-containing composition for obtaining a sulfur-containing composition including calcium sulfide, from a carbon source and gypsum-containing waste, with the carbon source containing an inorganic component including Si and Al, comprises a heating step of heating the carbon source and the gypsum-containing waste at a temperature in a range of 600 to 1400°C to allow them to react with each other to obtain a heat-treated material, and a modification step of modifying the heat-treated material to obtain the sulfur-containing composition.SELECTED DRAWING: Figure 1
【課題】低い製造コスト且つ高い生産効率で硫黄含有組成物を製造することが可能な硫黄含有組成物の製造方法を提供すること。【解決手段】炭素源と石膏含有廃棄物から硫化カルシウムを含む硫黄含有組成物を得る硫黄含有組成物の製造方法であって、炭素源は、Si及びAlを含む無機成分を含有しており、炭素源と石膏含有廃棄物とを600~1400℃の温度範囲で加熱して互いに反応させて加熱処理物を得る加熱工程と、加熱処理物を改質して硫黄含有組成物を得る改質工程と、を有する、硫黄含有組成物の製造方法を提供する。【選択図】図1
SULFUR-CONTAINING COMPOSITION, CEMENT COMPOSITION, AND METHOD OF PRODUCING SOIL IMPROVING MATERIAL
硫黄含有組成物、セメント組成物及び地盤改良材の製造方法
NODA KENJI (author) / TAKAMATSU YUICHIRO (author) / ITO TAKAYASU (author) / TAKENAGA KEISUKE (author)
2022-10-07
Patent
Electronic Resource
Japanese
IPC:
C04B
Kalk
,
LIME
SULFUR-CONTAINING COMPOSITION, CEMENT COMPOSITION AND METHOD FOR PRODUCING SOIL IMPROVER
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