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Performance Evolution and Degradation Mechanism of Chemically Bonded Phosphate Ceramic Cement Under Freeze-Thaw Cycles. [PDF]

Materials (Basel)
Pang B, Liu R, Yang Y, Cui Y.
europepmc   +1 more source

Mechanical performance and gamma attenuation capability of sustainable pozzolanic cement incorporating basalt under different curing regimes. [PDF]

Sci Rep
Al-Aziz AA, El-Hosiny FI, Mohsen A, Ramadan M.   +3 more
europepmc   +1 more source

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Optimization Strategies of Production Parameters to Prevent Hydrate Reformation in Marine Gas Hydrate Production System

SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, 2021
Abstract In recent decades, the development of natural gas hydrates has become a research hotspot of scholars all over the world. However, the decomposed gas and water in marine gas hydrate production system may regenerate gas hydrates due to the low-temperature and high-pressure environment in seafloor.
Zheng Liu, Baojiang Sun, Zhiyuan Wang, Jianbo Zhang   +3 more
openaire   +1 more source

Metakaolin—lime hydration products

Thermochimica Acta, 1984
Abstract Four mixtures were prepared of weight ratios 80:20, 70:30, 60:40 and 50:50 of china kaolin/pure Ca(OH) 2 . Each mix was activated for 2 h at 800°C and then paste hydrated at room temperature and 100% RH for up to 28 days. The hydration products were studied by XRD as well as DTA and TG techniques.
M.A. Serry, A.S. Taha, S.A.S. El-Hemaly, H. El-Didamony   +3 more
openaire   +1 more source

Black Sea hydrates production value

2022
Natural gas hydrates of Bulgaria and Romania in the Black Sea have been subject to studies by several European research projects. In this study, we have evaluated some well-known hydrate production methods. Thermal stimulation and adding chemicals are considered as not economically feasible.
Bjørn Kvamme, Atanas Vasilev
openaire   +1 more source

Hydration products of calcium aluminoferrite

Cement and Concrete Research, 1983
Abstract Hydration products of Ca2AlFeO5, steam cured at 72 C, have been identified using X-ray diffraction and Mossbauer spectroscopy. Iron-bearing phases are hydrogarnet Ca3FeyAl2−y(OH)12 with y = 0.22, and non-crystalline ferrihydrite Fe(OH)3.nH2O.
J.M. Fortune, J.M.D. Coey
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Hydrate Mitigation in a Deepwater Production System

SPE Offshore Europe, 1989
Abstract Deepwater developments such as the one depicted in Fig 1 rely on production flowlines to carry raw, unprocessed reservoir fluid, called full wellstream (FWS) production, from wells to production facilities. As the search for reserves has taken the petroleum industry into deeper water and colder environments, the feasibility of ...
S.R. SETLIFF, G.M. PARFITT, T.S. CHILTON
openaire   +1 more source