id	keyword
esrj-90532	soil
esrj-90532	soil samples
esrj-90532	copper
esrj-90532	remediation
esrj-90532	sulfate
esrj-90532	copper sulfate
esrj-90532	properties
esrj-90532	method
esrj-90532	removal
esrj-90532	strength
esrj-90532	chemical
esrj-90532	shear
esrj-90532	karkush