KUCHARSKI, Edward, Stanislaw,CORD-RUWISCH,Ralf,WHIFFIN, Vicky,AL-THAWADI, Salwa, Mutlaq, Juma
申请号：
EP20050818565
公开号：
EP1838642(B1)
申请日:
2005.12.20
申请国别(地区):
欧洲专利局
年份:
2018
代理人:
摘要：
A method of forming a high strength cement in a permeable starting material, the method comprising the step of combining the starting material with effective amounts of (i) a urease producing micro-organism; (ii) urea; and (iii) calcium ions and wherein the effective amount of the urease producing organism provides a urea hydrolysis rate, under standard conditions, of 0.5-50 mM urea hydrolysed.min−1.
