Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Oyster shell heavy metal ions absorbent and preparation method thereof

A technology of oyster shells and adsorbents, applied in the field of new water quality heavy metal adsorbents and their preparation, to achieve good results, easy transportation, and easy storage

Inactive Publication Date: 2014-02-05
FISHERIES RES INST OF FUJIAN
View PDF0 Cites 13 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are relatively few studies on the use of this method to treat aquaculture water, and it has broad space and good prospects.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] In order to facilitate the understanding of the present invention, examples are specifically cited to further explain the present invention, but not to limit the present invention in any way.

[0017] 1. Preparation of oyster shell powder: 120 kg of oyster shells were cleaned and dried, crushed with a universal grinder, and sieved with a 100-mesh sieve to obtain 100 kg of oyster shell powder.

[0018] 2. Modification of oyster shell powder: put 100kg of oyster shell powder into a blending tank, add 200L of 0.4% sodium hexadecylsulfonate (SDS) preheated at 60°C, stir at a constant temperature of 60°C for 2 hours, and filter with plate and frame Water is removed to obtain modified oyster shell powder, which is dried in an oven at 60° C. and pulverized by a universal grinder to obtain modified oyster shell powder.

[0019] 3. Compounding: In a mixer, add 100 kg of modified oyster shell powder and 50 kg of bentonite, and stir for 30 minutes to fully mix the two samples.

...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to an oyster shell heavy metal ions absorbent, and a preparation method of the absorbent is characterized by comprising the following steps: grinding oyster shell into powder, screening through a 100-mesh sieve, adding a 0.4% SDS (sodium dodecyl sulfate) solution to modify, filtering and drying, compounding and uniformly mixing the modified oyster shell powder with bentonite in a weight ratio of 2: 1, extruding, pelleting, rolling and calcining to obtain a spherical particle compound heavy metal ions absorbent.

Description

technical field [0001] The invention relates to a deep processing technology for by-products of aquatic product processing, and develops a novel water quality heavy metal adsorbent and a preparation method thereof. Background technique [0002] The annual output of shellfish in my country accounts for more than 60% of the world's output, ranking first in the world. While these shellfish resources drive the rapid development of coastal economy, they will inevitably produce a large number of discarded shells. If these discarded shell resources are not well utilized, they will also bring a large amount of solid waste and have a negative impact on the environment. [0003] Oysters have left and right shells, the right shell is also called the upper shell, and the left shell is also called the lower shell. Oyster shells are divided into 3 layers according to the formation method and tissue structure: the outermost layer is the cuticle or cortex (periostracum), which contains con...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): B01J20/24B01J20/30C02F1/28C02F1/62
Inventor 苏永昌吴成业刘淑集王茵
Owner FISHERIES RES INST OF FUJIAN
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com