chemical composition of periwinkle shell ash

Effect of recycled seashells on concrete properties: A …

The physical properties and chemical composition of seashells have been reviewed. • The mechanical and durability properties of concrete containing seashells …

(PDF) Modelling Reviewed Hydraulic Indices of Periwinkle Shell Ash

Periwinkle shell ash calcined at 800 and 1000 ˚C shows satisfactory result in terms of fineness, chemical composition and 28 days compressive strength activity index and could be used as partial ...

The Effect of Periwinkle Shell Ash and Dust on the …

— This paper reports on the assessment of physico-chemical properties of periwinkle shell ash as a replacement for cement in concrete. ... 15 2.6.2 Oxide Composition of Periwinkle Shell Ash Table 2.3 is a typical oxide composition of periwinkle shell ash Table 2.3 Chemical composition of PSA Chemical Component MgO SiO2 ZnO Fe2O3 …

A review of the mechanical properties and durability of …

The chemical composition of the seashell might be affected by pollution levels or the seashell's geographical location. According ... at 90 days, elasticity improved for 0 (29.02 GPa) and 10% (27.82 GPa) of periwinkle shell ash mixed cement concrete, while there was a reduction for 20 (25.65 GPa), 30 (24.95 GPa), and 40% (21.75 GPa ...

A review on seashells ash as partial cement replacement

This review paper emphasis on various sea shells ash such as cockle, clam, oyster, mollusc, periwinkle, snail, and green mussel shell ash as partial cement replacement and its objective is to create sustainable environment and reduce problems of global warming. Cement production give huge impact to environment in every stage of …

Influence of Periwinkle Shell Ash on the Strength Properties …

The leftover after calcination of periwinkle shells yield periwinkle shell ash (PSA). Chemical and microstructural analysis of PSA conducted by [16, 18, 19] shows …

Assessment of Physico-Chemical Properties of Periwinkle …

Periwinkle shell ash calcined at 800 and 1000 ̊C shows satisfactory result in terms of fineness, chemical composition and 28 days compressive strength activity index and could be used as partial replacement for cement in concrete preparation.

(PDF) Comparative Evaluation of Concrete Properties with …

The chemical composition of the ash was determined and compared with the specifications of American society of testing and material. Compressive strength of percentage replacement of cement with periwinkle shell ash of 0, 10, 20, 30 and 40% at 28 days of curing was also determined with mix ratio of 1:1:2 and 1:2:4.

Assessment of Physico-Chemical Properties of …

Periwinkle shell ash calcined at 800 and 1000 ˚C shows satisfactory result in terms of fineness, chemical composition and 28 …

Evaluation of Concrete's Performance when Improved with Periwinkle …

Periwinkle shell ash calcined at 800 and 1000 ˚C shows satisfactory result in terms of fineness, chemical composition and 28 days compressive strength activity index and could be used as partial ...

Effect of Periwinkle Shell on the Physical and

Chemical Composition of Periwinkle Shell aggregate Some of the major chemical components of periwinkle shells aggregate are CaO 2 (81.0%), SiO 2 (6.75%), and MgO (3.07%), AI 2 O 3

Chemical composition of Periwinkle shell ash and …

In this paper, the compressive strength of concrete containing nanosized periwinkle shell ash (NPSA) as a partial replacement of cement, was investigated using different curing techniques....

Water Requirement of Periwinkle Shell Ash Calcined at …

Offiong and Akpan (2017) [6] conducted research to assess the physio-chemical properties of periwinkle shell ash (PSA), a byproduct of periwinkle when used to partially replace cement in concrete ...

Investigating the Relationship Between Workability and …

Periwinkle shell ash calcined at 800 and 1000 ˚C shows satisfactory result in terms of fineness, chemical composition and 28 days compressive strength activity index and could be used as partial ...

Properties of concrete containing recycled seashells as …

Umoh and Ujene (2015) used NaNO 3 as admixture with periwinkle shell ash to replace cement with 0–30% percentages. ... The effect of calcination temperature on the chemical composition of oyster, periwinkle and snail shell ash. Int. J. Renew. Energy Technol., 5 (8) (2016), pp. 200-203. Google Scholar.

Periwinkle Shell as Mixing Ingredient in Concrete: A …

Table 1 and Table 2 summarises the physical and chemical properties of Periwinkle shell ash which used as partial cement replacement. The specific gravity of Periwinkle shell …

Chemical, functional and amino acid composition of periwinkle

The periwinkle shells of two separate samples, Ash periwinkle shell powder (APsP) and an Un-ash periwinkle shell powder (UAPsP) were characterized using Xray Fluorescence (XRF).

Influence of Periwinkle Shell Ash on the Strength Properties …

The leftover after calcination of periwinkle shells yield periwinkle shell ash (PSA). Chemical and microstructural analysis of PSA conducted by [16, 18, 19] shows that its major chemical composition is CaO (usually being the highest percentage of chemical compounds) which is closely related to that obtained for lime and cement [20, 21].

Influence of Periwinkle Shell Ash on the Strength …

kle shells yield periwinkle shell ash (PSA). Chemical and microstructural analysis of PSA conducted by [1618,, 19] shows that its major chemical composition is CaO (usually being the highest percentage of chemical compounds) which is closely related to that obtained for lime and cement [20, 21].

Strength Characteristics of Oyster Shell Ash and Periwinkle Shell Ash

Keywords: Oyster shell ash, periwinkle shell ash, lateritic soil, strength, West Africa Compaction With an aim of contributing to the reduction of the greenhouse gas effect resulting from the ...

(PDF) Influence of Periwinkle Shell Ash on the …

The study investigated the use of Portland limestone cement (PLC) and periwinkle shell ash (PSA) under laboratory conditions on geotechnical properties of lateritic soil to enhance its suitability ...

Properties of concrete containing recycled seashells as …

The chemical composition of seashells varies according to the type of shells and the place of collections. Generally, most available literatures report the chemical composition of the burnt seashell waste materials. ... The effect of calcination temperature on the chemical composition of oyster, periwinkle and snail shell ash. Int. J. Renew ...

Sustainable use of seashells as binder in concrete …

Highlights. •. The use of solid waste materials as alternative materials in concrete production. •. The use of sustainable materials such as seashell as binder in …

Geotechnical Properties of Lateritic Soil Stabilized with …

The chemical composition of the periwinkle shell ash is presented in Table 2, while chemical composition of OPC is presented in Table 3. The engineering property test for lateritic soil stabilization with PSA is presented in Table 4. Table 5 shows the engineering property for lateritic soil stabilized with OPC. ...

CHEMICAL, FUNCTIONAL AND AMINO ACID …

low fat content makes periwinkle meat a good antidote for hypertensive patient and those that have fat related diseases like arteriosclerosis23. Table 1: Proximate Composition of Periwinkle Components % Ash 9.56 Moisture 13.45 Crude Protein 74.74 Crude Fat 1.32 0.74 Carbohydrate (By difference) 0.19

Assessment of Periwinkle Shells Ash asComposite Materials …

Results The chemical composition of the periwinkle shell (PWK) is shown in table 2 and fig 1. Where: P is the breaking load, Lis the span Length, b is the sample breath and d is the sample depth. Modulus of Elasticity (MOE) The Composite stiffness (MOE) was obtained using equation 5 [6]. 13 m 4b d 3 x 100 Where: E is the elongation at failure ...

ASSESSMENT OF PERIWINKLE SHELL ASH BLENDED …

Table 1: Chemical composition of Periwinkle shell ash and ordinary Portland cement Elemental Oxides Weight (%) PSA Weight (%) OPC CaO 0.342.32 61.14 MgO 42.32 1.35 K 2

Biomaterials from Periwinkle Shells: Composition and

converting periwinkle waste (shells) into a valuable product which could be used as a biomaterial. The objectives of this study are; 1. To produce chitin-chitosan from periwinkle shells. 2. To determine the chemical composition and functional properties of chitosan and compare these properties with that of crab chitosan II. MATERIALS AND METHODS

Assessment of Periwinkle Shells Ash as Composite …

In this work, periwinkle shell ash reinforced polyethylene composite was developed under variation of the filler weight (5, 10, 15 and 20) %wt using compression moulding method. …

Physico-chemical and morphological evaluation of palm kernel shell

The chemical composition (in oxide form) of the PKS is as. ... rice husk ash, coconut shell, periwinkle shell and bagasse ash cur-rently used in matrix composite [14,19–22]. Fig. 2.