Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ecological improvement method for salinized soil roadbed filler based on urea phosphate EICP (Expanded Inductively Coupled Plasma) technology
The invention discloses a saline soil roadbed filler ecological improvement method based on a urea phosphate EICP technology. At present, improvement measures for the salinized soil roadbed filler mainly comprise physical improvement and chemical improvement. Papermaking waste liquid extract calcium lignosulphonate is used as a calcium source, urea phosphate and urea are used as ureido sources, soybean meal crude extract is used as urease, and the salinized soil is improved by utilizing an EICP (Enhanced Inductively Coupled Plasma) technology. The acidic cementing liquid is used for activating the salinized soil, the pH of the salinized soil can be reduced, Ca < 2 + > in the soil can be dissolved, Ca < 2 + > and Ca < 2 + > dissociated from calcium lignosulphonate in the cementing liquid act together, the Ca < 2 + > and Na < + > in the salinized soil are subjected to an exchange adsorption reaction, Na < + > is replaced, the soil alkalization degree and the sodium adsorption ratio are reduced, the physicochemical property of the salinized soil is improved, and the elution rate of Na < + > is increased; the toxic effect of Na < + > on plants is reduced; and the physical and mechanical properties of the salinized soil can be greatly improved.
本发明公开了一种基于磷酸脲EICP技术的盐渍土路基填料生态改良方法。目前，针对盐渍土路基填料的改良措施主要包括物理改良和化学改良。本发明使用造纸废液提取物木质素磺酸钙为钙源，磷酸脲和尿素为脲基源，黄豆粉粗提取液为脲酶，利用EICP技术改良盐渍土。本发明使用酸性胶结液活化盐渍土，可以降低盐渍土的pH，溶解土中的Ca2+，与胶结液中的木质素磺酸钙解离出的Ca2+共同作用，与盐渍土中的Na+发生交换吸附反应，置换出Na+,使土壤碱化度和钠吸附比降低，改善盐渍土的理化性质，增加Na+的淋洗率，减少Na+对植物的毒害作用；生态环保，能极大改善盐渍土的物理力学性质。
Ecological improvement method for salinized soil roadbed filler based on urea phosphate EICP (Expanded Inductively Coupled Plasma) technology
The invention discloses a saline soil roadbed filler ecological improvement method based on a urea phosphate EICP technology. At present, improvement measures for the salinized soil roadbed filler mainly comprise physical improvement and chemical improvement. Papermaking waste liquid extract calcium lignosulphonate is used as a calcium source, urea phosphate and urea are used as ureido sources, soybean meal crude extract is used as urease, and the salinized soil is improved by utilizing an EICP (Enhanced Inductively Coupled Plasma) technology. The acidic cementing liquid is used for activating the salinized soil, the pH of the salinized soil can be reduced, Ca < 2 + > in the soil can be dissolved, Ca < 2 + > and Ca < 2 + > dissociated from calcium lignosulphonate in the cementing liquid act together, the Ca < 2 + > and Na < + > in the salinized soil are subjected to an exchange adsorption reaction, Na < + > is replaced, the soil alkalization degree and the sodium adsorption ratio are reduced, the physicochemical property of the salinized soil is improved, and the elution rate of Na < + > is increased; the toxic effect of Na < + > on plants is reduced; and the physical and mechanical properties of the salinized soil can be greatly improved.
本发明公开了一种基于磷酸脲EICP技术的盐渍土路基填料生态改良方法。目前，针对盐渍土路基填料的改良措施主要包括物理改良和化学改良。本发明使用造纸废液提取物木质素磺酸钙为钙源，磷酸脲和尿素为脲基源，黄豆粉粗提取液为脲酶，利用EICP技术改良盐渍土。本发明使用酸性胶结液活化盐渍土，可以降低盐渍土的pH，溶解土中的Ca2+，与胶结液中的木质素磺酸钙解离出的Ca2+共同作用，与盐渍土中的Na+发生交换吸附反应，置换出Na+,使土壤碱化度和钠吸附比降低，改善盐渍土的理化性质，增加Na+的淋洗率，减少Na+对植物的毒害作用；生态环保，能极大改善盐渍土的物理力学性质。
Ecological improvement method for salinized soil roadbed filler based on urea phosphate EICP (Expanded Inductively Coupled Plasma) technology
一种基于磷酸脲EICP技术的盐渍土路基填料生态改良方法
ZHANG HONG (Autor:in) / LIU DAOSHENG (Autor:in) / YI JIANGNAN (Autor:in)
29.10.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
/
C09K
Materialien für Anwendungen, soweit nicht anderweitig vorgesehen
,
MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR
/
E01C
Bau von Straßen, Sportplätzen oder dgl., Decken dafür
,
CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE
/
E02D
FOUNDATIONS
,
Gründungen
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